Merge pull request #281 from MikaylaFischler/devel

2023.07.16 Release

ccmsi.lua

@@ -20,7 +20,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 local function println(message) print(tostring(message)) end
 local function print(message) term.write(tostring(message)) end
 
-local CCMSI_VERSION = "v1.5a"
+local CCMSI_VERSION = "v1.7d"
 
 local install_dir = "/.install-cache"
 local manifest_path = "https://mikaylafischler.github.io/cc-mek-scada/manifests/"
@@ -44,11 +44,15 @@ local function get_opt(opt, options)
     return nil
 end
 
+-- wait for any key to be pressed
+---@diagnostic disable-next-line: undefined-field
+local function any_key() os.pullEvent("key_up") end
+
 -- ask the user yes or no
 local function ask_y_n(question, default)
     print(question)
     if default == true then print(" (Y/n)? ") else print(" (y/N)? ") end
-    local response = read()
+    local response = read();any_key()
     if response == "" then return default
     elseif response == "Y" or response == "y" then return true
     elseif response == "N" or response == "n" then return false
@@ -93,9 +97,7 @@ local function get_remote_manifest()
     end
 
     local ok, manifest = pcall(function () return textutils.unserializeJSON(response.readAll()) end)
-    if not ok then
-        red(); println("error parsing remote installation manifest"); white()
-    end
+    if not ok then red();println("error parsing remote installation manifest");white() end
 
     return ok, manifest
 end
@@ -120,6 +122,78 @@ local function write_install_manifest(manifest, dependencies)
     imfile.close()
 end
 
+-- recursively build a tree out of the file manifest
+local function gen_tree(manifest)
+    local function _tree_add(tree, split)
+        if #split > 1 then
+            local name = table.remove(split, 1)
+            if tree[name] == nil then tree[name] = {} end
+            table.insert(tree[name], _tree_add(tree[name], split))
+        else return split[1] end
+        return nil
+    end
+
+    local list, tree = {}, {}
+
+    -- make a list of each and every file
+    for _, files in pairs(manifest.files) do for i = 1, #files do table.insert(list, files[i]) end end
+
+    for i = 1, #list do
+        local split = {}
+        string.gsub(list[i], "([^/]+)", function(c) split[#split + 1] = c end)
+        if #split == 1 then table.insert(tree, list[i])
+        else table.insert(tree, _tree_add(tree, split)) end
+    end
+
+    return tree
+end
+
+local function _in_array(val, array)
+    for _, v in pairs(array) do if v == val then return true end end
+    return false
+end
+
+local function _clean_dir(dir, tree)
+    if tree == nil then tree = {} end
+    local ls = fs.list(dir)
+    for _, val in pairs(ls) do
+        local path = dir .. "/" .. val
+        if fs.isDir(path) then
+            _clean_dir(path, tree[val])
+            if #fs.list(path) == 0 then fs.delete(path);println("deleted " .. path) end
+        elseif not _in_array(val, tree) then
+            fs.delete(path)
+            println("deleted " .. path)
+        end
+    end
+end
+
+-- go through app/common directories to delete unused files
+local function clean(manifest)
+    local root_ext = false
+    local tree = gen_tree(manifest)
+
+    table.insert(tree, "install_manifest.json")
+    table.insert(tree, "ccmsi.lua")
+    table.insert(tree, "log.txt")
+
+    lgray()
+
+    local ls = fs.list("/")
+    for _, val in pairs(ls) do
+        if fs.isDir(val) then
+            if tree[val] ~= nil then _clean_dir("/" .. val, tree[val]) end
+            if #fs.list(val) == 0 then fs.delete(val);println("deleted " .. val) end
+        elseif not _in_array(val, tree) then
+            root_ext = true
+            yellow();println(val .. " not used")
+        end
+    end
+
+    white()
+    if root_ext then println("Files in root directory won't be automatically deleted.") end
+end
+
 -- get and validate command line options
 
 println("-- CC Mekanism SCADA Installer " .. CCMSI_VERSION .. " --")
@@ -277,7 +351,7 @@ elseif mode == "install" or mode == "update" then
     ver.lockbox.changed = ver.lockbox.v_local ~= ver.lockbox.v_remote
 
     -- ask for confirmation
-    if not ask_y_n("Continue?", false) then return end
+    if not ask_y_n("Continue", false) then return end
 
     --------------------------
     -- START INSTALL/UPDATE --
@@ -384,6 +458,9 @@ elseif mode == "install" or mode == "update" then
             if mode == "install" then
                 println("Installation completed successfully.")
             else println("Update completed successfully.") end
+            white();println("Ready to clean up unused files, press any key to continue...")
+            any_key();clean(manifest)
+            white();println("Done.")
         else
             if mode == "install" then
                 red();println("Installation failed.")
@@ -424,6 +501,9 @@ elseif mode == "install" or mode == "update" then
             if mode == "install" then
                 println("Installation completed successfully.")
             else println("Update completed successfully.") end
+            white();println("Ready to clean up unused files, press any key to continue...")
+            any_key();clean(manifest)
+            white();println("Done.")
         else
             red()
             if mode == "install" then
@@ -449,7 +529,10 @@ elseif mode == "remove" or mode == "purge" then
     end
 
     -- ask for confirmation
-    if not ask_y_n("Continue?", false) then return end
+    if not ask_y_n("Continue", false) then return end
+
+    -- delete unused files first
+    clean(manifest)
 
     local file_list = manifest.files
     local dependencies = manifest.depends[app]
@@ -470,8 +553,8 @@ elseif mode == "remove" or mode == "purge" then
 
         if not log_deleted then
             red();println("failed to delete log file")
-            white(); println("press enter to continue...")
-            read(); lgray()
+            white();println("press any key to continue...")
+            any_key();lgray()
         end
     end
 
@@ -480,10 +563,7 @@ elseif mode == "remove" or mode == "purge" then
         local files = file_list[dependency]
         for _, file in pairs(files) do
             if mode == "purge" or file ~= config_file then
-                if fs.exists(file) then
-                    fs.delete(file)
-                    println("deleted " .. file)
-                end
+                if fs.exists(file) then fs.delete(file);println("deleted " .. file) end
             end
         end
 
@@ -508,8 +588,7 @@ elseif mode == "remove" or mode == "purge" then
                 end
 
                 if folder ~= app and fs.isDir(folder) then
-                    fs.delete(folder)
-                    println("deleted app subdirectory " .. folder)
+                    fs.delete(folder);println("deleted app subdirectory " .. folder)
                 end
             end
         end

coordinator/coordinator.lua

@@ -2,6 +2,7 @@ local comms       = require("scada-common.comms")
 local log         = require("scada-common.log")
 local ppm         = require("scada-common.ppm")
 local util        = require("scada-common.util")
+local types       = require("scada-common.types")
 
 local iocontrol   = require("coordinator.iocontrol")
 local process     = require("coordinator.process")
@@ -12,7 +13,6 @@ local dialog      = require("coordinator.ui.dialog")
 
 local print = util.print
 local println = util.println
-local println_ts = util.println_ts
 
 local PROTOCOL = comms.PROTOCOL
 local DEVICE_TYPE = comms.DEVICE_TYPE
@@ -22,6 +22,8 @@ local SCADA_CRDN_TYPE = comms.SCADA_CRDN_TYPE
 local UNIT_COMMAND = comms.UNIT_COMMAND
 local FAC_COMMAND = comms.FAC_COMMAND
 
+local LINK_TIMEOUT = 60.0
+
 local coordinator = {}
 
 -- request the user to select a monitor
@@ -227,9 +229,12 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
         sv_seq_num = 0,
         sv_r_seq_num = nil,
         sv_config_err = false,
-        connected = false,
         last_est_ack = ESTABLISH_ACK.ALLOW,
-        last_api_est_acks = {}
+        last_api_est_acks = {},
+        est_start = 0,
+        est_last = 0,
+        est_tick_waiting = nil,
+        est_task_done = nil
     }
 
     comms.set_trusted_range(range)
@@ -295,55 +300,30 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
     ---@class coord_comms
     local public = {}
 
-    -- close the connection to the server
-    function public.close()
-        sv_watchdog.cancel()
-        self.sv_addr = comms.BROADCAST
-        self.sv_linked = false
-        self.sv_r_seq_num = nil
-        _send_sv(PROTOCOL.SCADA_MGMT, SCADA_MGMT_TYPE.CLOSE, {})
-    end
+    -- try to connect to the supervisor if not already linked
+    ---@param abort boolean? true to print out cancel info if not linked (use on program terminate)
+    ---@return boolean ok, boolean start_ui
+    function public.try_connect(abort)
+        local ok = true
+        local start_ui = false
 
-    -- attempt to connect to the subervisor
-    ---@nodiscard
-    ---@param timeout_s number timeout in seconds
-    ---@param tick_dmesg_waiting function callback to tick dmesg waiting
-    ---@param task_done function callback to show done on dmesg
-    ---@return boolean sv_linked true if connected, false otherwise
-    --- EVENT_CONSUMER: this function consumes events
-    function public.sv_connect(timeout_s, tick_dmesg_waiting, task_done)
-        local clock = util.new_clock(1)
-        local start = util.time_s()
-        local terminated = false
+        if not self.sv_linked then
+            if self.est_tick_waiting == nil then
+                self.est_start = util.time_s()
+                self.est_last = self.est_start
+
+                self.est_tick_waiting, self.est_task_done =
+                    coordinator.log_comms_connecting("attempting to connect to configured supervisor on channel " .. svr_channel)
 
                 _send_establish()
-
-        clock.start()
-
-        while (util.time_s() - start) < timeout_s and (not self.sv_linked) and (not self.sv_config_err) do
-            local event, p1, p2, p3, p4, p5 = util.pull_event()
-
-            if event == "timer" and clock.is_clock(p1) then
-                -- timed out attempt, try again
-                tick_dmesg_waiting(math.max(0, timeout_s - (util.time_s() - start)))
-                _send_establish()
-                clock.start()
-            elseif event == "timer" then
-                -- keep checking watchdog timers
-                apisessions.check_all_watchdogs(p1)
-            elseif event == "modem_message" then
-                -- handle message
-                local packet = public.parse_packet(p1, p2, p3, p4, p5)
-                public.handle_packet(packet)
-            elseif event == "terminate" then
-                terminated = true
-                break
-            end
+            else
+                self.est_tick_waiting(math.max(0, LINK_TIMEOUT - (util.time_s() - self.est_start)))
             end
 
-        task_done(self.sv_linked)
+            if abort or (util.time_s() - self.est_start) >= LINK_TIMEOUT then
+                self.est_task_done(false)
 
-        if terminated then
+                if abort then
                     coordinator.log_comms("supervisor connection attempt cancelled by user")
                 elseif self.sv_config_err then
                     coordinator.log_comms("supervisor cooling configuration invalid, check supervisor config file")
@@ -359,13 +339,39 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
                     end
                 end
 
-        return self.sv_linked
+                ok = false
+            elseif self.sv_config_err then
+                coordinator.log_comms("supervisor cooling configuration invalid, check supervisor config file")
+                ok = false
+            elseif (util.time_s() - self.est_last) > 1.0 then
+                _send_establish()
+                self.est_last = util.time_s()
+            end
+        elseif self.est_tick_waiting ~= nil then
+            self.est_task_done(true)
+            self.est_tick_waiting = nil
+            self.est_task_done = nil
+            start_ui = true
+        end
+
+        return ok, start_ui
+    end
+
+    -- close the connection to the server
+    function public.close()
+        sv_watchdog.cancel()
+        self.sv_addr = comms.BROADCAST
+        self.sv_linked = false
+        self.sv_r_seq_num = nil
+        iocontrol.fp_link_state(types.PANEL_LINK_STATE.DISCONNECTED)
+        _send_sv(PROTOCOL.SCADA_MGMT, SCADA_MGMT_TYPE.CLOSE, {})
     end
 
     -- send a facility command
     ---@param cmd FAC_COMMAND command
-    function public.send_fac_command(cmd)
-        _send_sv(PROTOCOL.SCADA_CRDN, SCADA_CRDN_TYPE.FAC_CMD, { cmd })
+    ---@param option any? optional option options for the optional options (like waste mode)
+    function public.send_fac_command(cmd, option)
+        _send_sv(PROTOCOL.SCADA_CRDN, SCADA_CRDN_TYPE.FAC_CMD, { cmd, option })
     end
 
     -- send the auto process control configuration with a start command
@@ -379,7 +385,7 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
     -- send a unit command
     ---@param cmd UNIT_COMMAND command
     ---@param unit integer unit ID
-    ---@param option any? optional option options for the optional options (like burn rate) (does option still look like a word?)
+    ---@param option any? optional option options for the optional options (like burn rate)
     function public.send_unit_command(cmd, unit, option)
         _send_sv(PROTOCOL.SCADA_CRDN, SCADA_CRDN_TYPE.UNIT_CMD, { cmd, unit, option })
     end
@@ -424,7 +430,10 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
 
     -- handle a packet
     ---@param packet mgmt_frame|crdn_frame|capi_frame|nil
+    ---@return boolean close_ui
     function public.handle_packet(packet)
+        local was_linked = self.sv_linked
+
         if packet ~= nil then
             local l_chan = packet.scada_frame.local_channel()
             local r_chan = packet.scada_frame.remote_channel()
@@ -434,7 +443,9 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
             if l_chan ~= crd_channel then
                 log.debug("received packet on unconfigured channel " .. l_chan, true)
             elseif r_chan == pkt_channel then
-                if protocol == PROTOCOL.COORD_API then
+                if not self.sv_linked then
+                    log.debug("discarding pocket API packet before linked to supervisor")
+                elseif protocol == PROTOCOL.COORD_API then
                     ---@cast packet capi_frame
                     -- look for an associated session
                     local session = apisessions.find_session(src_addr)
@@ -473,7 +484,6 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
                             elseif dev_type == DEVICE_TYPE.PKT then
                                 -- pocket linking request
                                 local id = apisessions.establish_session(src_addr, firmware_v)
-                                println(util.c("[API] pocket (", firmware_v, ") [@", src_addr, "] \xbb connected"))
                                 coordinator.log_comms(util.c("API_ESTABLISH: pocket (", firmware_v, ") [@", src_addr, "] connected with session ID ", id))
 
                                 _send_api_establish_ack(packet.scada_frame, ESTABLISH_ACK.ALLOW)
@@ -496,12 +506,12 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
                 -- check sequence number
                 if self.sv_r_seq_num == nil then
                     self.sv_r_seq_num = packet.scada_frame.seq_num()
-                elseif self.connected and ((self.sv_r_seq_num + 1) ~= packet.scada_frame.seq_num()) then
+                elseif self.sv_linked and ((self.sv_r_seq_num + 1) ~= packet.scada_frame.seq_num()) then
                     log.warning("sequence out-of-order: last = " .. self.sv_r_seq_num .. ", new = " .. packet.scada_frame.seq_num())
-                    return
+                    return false
                 elseif self.sv_linked and src_addr ~= self.sv_addr then
                     log.debug("received packet from unknown computer " .. src_addr .. " while linked; channel in use by another system?")
-                    return
+                    return false
                 else
                     self.sv_r_seq_num = packet.scada_frame.seq_num()
                 end
@@ -563,6 +573,10 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
                                     end
                                 elseif cmd == FAC_COMMAND.ACK_ALL_ALARMS then
                                     iocontrol.get_db().facility.ack_alarms_ack(ack)
+                                elseif cmd == FAC_COMMAND.SET_WASTE_MODE then
+                                    process.waste_ack_handle(packet.data[2])
+                                elseif cmd == FAC_COMMAND.SET_PU_FB then
+                                    process.pu_fb_ack_handle(packet.data[2])
                                 else
                                     log.debug(util.c("received facility command ack with unknown command ", cmd))
                                 end
@@ -627,70 +641,7 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
                     end
                 elseif protocol == PROTOCOL.SCADA_MGMT then
                     ---@cast packet mgmt_frame
-                    if packet.type == SCADA_MGMT_TYPE.ESTABLISH then
-                        -- connection with supervisor established
-                        if packet.length == 2 then
-                            local est_ack = packet.data[1]
-                            local config = packet.data[2]
-
-                            if est_ack == ESTABLISH_ACK.ALLOW then
-                                if type(config) == "table" and #config > 1 then
-                                    -- get configuration
-
-                                    ---@class facility_conf
-                                    local conf = {
-                                        num_units = config[1],  ---@type integer
-                                        defs = {}               -- boilers and turbines
-                                    }
-
-                                    if (#config - 1) == (conf.num_units * 2) then
-                                        -- record sequence of pairs of [#boilers, #turbines] per unit
-                                        for i = 2, #config do
-                                            table.insert(conf.defs, config[i])
-                                        end
-
-                                        -- init io controller
-                                        iocontrol.init(conf, public)
-
-                                        self.sv_addr = src_addr
-                                        self.sv_linked = true
-                                        self.sv_config_err = false
-                                    else
-                                        self.sv_config_err = true
-                                        log.warning("invalid supervisor configuration definitions received, establish failed")
-                                    end
-                                else
-                                    log.debug("invalid supervisor configuration table received, establish failed")
-                                end
-                            else
-                                log.debug("SCADA_MGMT establish packet reply (len = 2) unsupported")
-                            end
-
-                            self.last_est_ack = est_ack
-                        elseif packet.length == 1 then
-                            local est_ack = packet.data[1]
-
-                            if est_ack == ESTABLISH_ACK.DENY then
-                                if self.last_est_ack ~= est_ack then
-                                    log.info("supervisor connection denied")
-                                end
-                            elseif est_ack == ESTABLISH_ACK.COLLISION then
-                                if self.last_est_ack ~= est_ack then
-                                    log.warning("supervisor connection denied due to collision")
-                                end
-                            elseif est_ack == ESTABLISH_ACK.BAD_VERSION then
-                                if self.last_est_ack ~= est_ack then
-                                    log.warning("supervisor comms version mismatch")
-                                end
-                            else
-                                log.debug("SCADA_MGMT establish packet reply (len = 1) unsupported")
-                            end
-
-                            self.last_est_ack = est_ack
-                        else
-                            log.debug("SCADA_MGMT establish packet length mismatch")
-                        end
-                    elseif self.sv_linked then
+                    if self.sv_linked then
                         if packet.type == SCADA_MGMT_TYPE.KEEP_ALIVE then
                             -- keep alive request received, echo back
                             if packet.length == 1 then
@@ -715,11 +666,83 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
                             self.sv_addr = comms.BROADCAST
                             self.sv_linked = false
                             self.sv_r_seq_num = nil
-                            println_ts("server connection closed by remote host")
+                            iocontrol.fp_link_state(types.PANEL_LINK_STATE.DISCONNECTED)
                             log.info("server connection closed by remote host")
                         else
                             log.debug("received unknown SCADA_MGMT packet type " .. packet.type)
                         end
+                    elseif packet.type == SCADA_MGMT_TYPE.ESTABLISH then
+                        -- connection with supervisor established
+                        if packet.length == 2 then
+                            local est_ack = packet.data[1]
+                            local config = packet.data[2]
+
+                            if est_ack == ESTABLISH_ACK.ALLOW then
+                                -- reset to disconnected before validating
+                                iocontrol.fp_link_state(types.PANEL_LINK_STATE.DISCONNECTED)
+
+                                if type(config) == "table" and #config > 1 then
+                                    -- get configuration
+
+                                    ---@class facility_conf
+                                    local conf = {
+                                        num_units = config[1],  ---@type integer
+                                        defs = {}               -- boilers and turbines
+                                    }
+
+                                    if (#config - 1) == (conf.num_units * 2) then
+                                        -- record sequence of pairs of [#boilers, #turbines] per unit
+                                        for i = 2, #config do
+                                            table.insert(conf.defs, config[i])
+                                        end
+
+                                        -- init io controller
+                                        iocontrol.init(conf, public)
+
+                                        self.sv_addr = src_addr
+                                        self.sv_linked = true
+                                        self.sv_r_seq_num = nil
+                                        self.sv_config_err = false
+
+                                        iocontrol.fp_link_state(types.PANEL_LINK_STATE.LINKED)
+                                    else
+                                        self.sv_config_err = true
+                                        log.warning("invalid supervisor configuration definitions received, establish failed")
+                                    end
+                                else
+                                    log.debug("invalid supervisor configuration table received, establish failed")
+                                end
+                            else
+                                log.debug("SCADA_MGMT establish packet reply (len = 2) unsupported")
+                            end
+
+                            self.last_est_ack = est_ack
+                        elseif packet.length == 1 then
+                            local est_ack = packet.data[1]
+
+                            if est_ack == ESTABLISH_ACK.DENY then
+                                if self.last_est_ack ~= est_ack then
+                                    iocontrol.fp_link_state(types.PANEL_LINK_STATE.DENIED)
+                                    log.info("supervisor connection denied")
+                                end
+                            elseif est_ack == ESTABLISH_ACK.COLLISION then
+                                if self.last_est_ack ~= est_ack then
+                                    iocontrol.fp_link_state(types.PANEL_LINK_STATE.COLLISION)
+                                    log.warning("supervisor connection denied due to collision")
+                                end
+                            elseif est_ack == ESTABLISH_ACK.BAD_VERSION then
+                                if self.last_est_ack ~= est_ack then
+                                    iocontrol.fp_link_state(types.PANEL_LINK_STATE.BAD_VERSION)
+                                    log.warning("supervisor comms version mismatch")
+                                end
+                            else
+                                log.debug("SCADA_MGMT establish packet reply (len = 1) unsupported")
+                            end
+
+                            self.last_est_ack = est_ack
+                        else
+                            log.debug("SCADA_MGMT establish packet length mismatch")
+                        end
                     else
                         log.debug("discarding non-link SCADA_MGMT packet before linked")
                     end
@@ -730,6 +753,8 @@ function coordinator.comms(version, nic, crd_channel, svr_channel, pkt_channel,
                 log.debug("received packet for unknown channel " .. r_chan, true)
             end
         end
+
+        return was_linked and not self.sv_linked
     end
 
     -- check if the coordinator is still linked to the supervisor

coordinator/iocontrol.lua

@@ -10,9 +10,15 @@ local util    = require("scada-common.util")
 local process = require("coordinator.process")
 local sounder = require("coordinator.sounder")
 
+local pgi     = require("coordinator.ui.pgi")
+
 local ALARM_STATE = types.ALARM_STATE
 local PROCESS = types.PROCESS
 
+-- nominal RTT is ping (0ms to 10ms usually) + 500ms for CRD main loop tick
+local WARN_RTT = 1000   -- 2x as long as expected w/ 0 ping
+local HIGH_RTT = 1500   -- 3.33x as long as expected w/ 0 ping
+
 local iocontrol = {}
 
 ---@class ioctl
@@ -27,6 +33,19 @@ local function __generic_ack(success) end
 
 -- luacheck: unused args
 
+-- initialize front panel PSIL
+---@param firmware_v string coordinator version
+---@param comms_v string comms version
+function iocontrol.init_fp(firmware_v, comms_v)
+    ---@class ioctl_front_panel
+    io.fp = {
+        ps = psil.create()
+    }
+
+    io.fp.ps.publish("version", firmware_v)
+    io.fp.ps.publish("comms_version", comms_v)
+end
+
 -- initialize the coordinator IO controller
 ---@param conf facility_conf configuration
 ---@param comms coord_comms comms reference
@@ -52,6 +71,10 @@ function iocontrol.init(conf, comms)
             gen_fault = false
         },
 
+        ---@type WASTE_PRODUCT
+        auto_current_waste_product = types.WASTE_PRODUCT.PLUTONIUM,
+        auto_pu_fallback_active = false,
+
         radiation = types.new_zero_radiation_reading(),
 
         save_cfg_ack = __generic_ack,
@@ -65,16 +88,21 @@ function iocontrol.init(conf, comms)
         induction_ps_tbl = {},
         induction_data_tbl = {},
 
+        sps_ps_tbl = {},
+        sps_data_tbl = {},
+
+        tank_ps_tbl = {},
+        tank_data_tbl = {},
+
         env_d_ps = psil.create(),
         env_d_data = {}
     }
 
-    -- create induction tables (currently only 1 is supported)
-    for _ = 1, conf.num_units do
-        local data = {} ---@type imatrix_session_db
+    -- create induction and SPS tables (currently only 1 of each is supported)
     table.insert(io.facility.induction_ps_tbl, psil.create())
-        table.insert(io.facility.induction_data_tbl, data)
-    end
+    table.insert(io.facility.induction_data_tbl, {})
+    table.insert(io.facility.sps_ps_tbl, psil.create())
+    table.insert(io.facility.sps_data_tbl, {})
 
     io.units = {}
     for i = 1, conf.num_units do
@@ -87,11 +115,15 @@ function iocontrol.init(conf, comms)
 
             num_boilers = 0,
             num_turbines = 0,
+            num_snas = 0,
 
             control_state = false,
             burn_rate_cmd = 0.0,
-            waste_control = 0,
             radiation = types.new_zero_radiation_reading(),
+            sna_prod_rate = 0.0,
+
+            waste_mode = types.WASTE_MODE.MANUAL_PLUTONIUM,
+            waste_product = types.WASTE_PRODUCT.PLUTONIUM,
 
             -- auto control group
             a_group = 0,
@@ -101,9 +133,9 @@ function iocontrol.init(conf, comms)
             reset_rps = function () process.reset_rps(i) end,
             ack_alarms = function () process.ack_all_alarms(i) end,
             set_burn = function (rate) process.set_rate(i, rate) end,        ---@param rate number burn rate
-            set_waste = function (mode) process.set_waste(i, mode) end, ---@param mode integer waste processing mode
+            set_waste = function (mode) process.set_unit_waste(i, mode) end, ---@param mode WASTE_MODE waste processing mode
 
-            set_group = function (grp) process.set_group(i, grp) end,   ---@param grp integer|0 group ID or 0
+            set_group = function (grp) process.set_group(i, grp) end,        ---@param grp integer|0 group ID or 0 for manual
 
             start_ack = __generic_ack,
             scram_ack = __generic_ack,
@@ -152,7 +184,10 @@ function iocontrol.init(conf, comms)
             boiler_data_tbl = {},
 
             turbine_ps_tbl = {},
-            turbine_data_tbl = {}
+            turbine_data_tbl = {},
+
+            tank_ps_tbl = {},
+            tank_data_tbl = {}
         }
 
         -- create boiler tables
@@ -179,6 +214,92 @@ function iocontrol.init(conf, comms)
     process.init(io, comms)
 end
 
+--#region Front Panel PSIL
+
+-- toggle heartbeat indicator
+function iocontrol.heartbeat() io.fp.ps.toggle("heartbeat") end
+
+-- report presence of the wireless modem
+---@param has_modem boolean
+function iocontrol.fp_has_modem(has_modem) io.fp.ps.publish("has_modem", has_modem) end
+
+-- report presence of the speaker
+---@param has_speaker boolean
+function iocontrol.fp_has_speaker(has_speaker) io.fp.ps.publish("has_speaker", has_speaker) end
+
+-- report supervisor link state
+---@param state integer
+function iocontrol.fp_link_state(state) io.fp.ps.publish("link_state", state) end
+
+-- report monitor connection state
+---@param id integer unit ID or 0 for main
+function iocontrol.fp_monitor_state(id, connected)
+    local name = "main_monitor"
+    if id > 0 then name = "unit_monitor_" .. id end
+    io.fp.ps.publish(name, connected)
+end
+
+-- report PKT firmware version and PKT session connection state
+---@param session_id integer PKT session
+---@param fw string firmware version
+---@param s_addr integer PKT computer ID
+function iocontrol.fp_pkt_connected(session_id, fw, s_addr)
+    io.fp.ps.publish("pkt_" .. session_id .. "_fw", fw)
+    io.fp.ps.publish("pkt_" .. session_id .. "_addr", util.sprintf("@ C% 3d", s_addr))
+    pgi.create_pkt_entry(session_id)
+end
+
+-- report PKT session disconnected
+---@param session_id integer PKT session
+function iocontrol.fp_pkt_disconnected(session_id)
+    pgi.delete_pkt_entry(session_id)
+end
+
+-- transmit PKT session RTT
+---@param session_id integer PKT session
+---@param rtt integer round trip time
+function iocontrol.fp_pkt_rtt(session_id, rtt)
+    io.fp.ps.publish("pkt_" .. session_id .. "_rtt", rtt)
+
+    if rtt > HIGH_RTT then
+        io.fp.ps.publish("pkt_" .. session_id .. "_rtt_color", colors.red)
+    elseif rtt > WARN_RTT then
+        io.fp.ps.publish("pkt_" .. session_id .. "_rtt_color", colors.yellow_hc)
+    else
+        io.fp.ps.publish("pkt_" .. session_id .. "_rtt_color", colors.green)
+    end
+end
+
+--#endregion
+
+--#region Builds
+
+-- record and publish multiblock RTU build data
+---@param id integer
+---@param entry table
+---@param data_tbl table
+---@param ps_tbl table
+---@param create boolean? true to create an entry if non exists, false to fail on missing
+---@return boolean ok true if data saved, false if invalid ID
+local function _record_multiblock_build(id, entry, data_tbl, ps_tbl, create)
+    local exists = type(data_tbl[id]) == "table"
+    if exists or create then
+        if not exists then
+            ps_tbl[id] = psil.create()
+            data_tbl[id] = {}
+        end
+
+        data_tbl[id].formed = entry[1]  ---@type boolean
+        data_tbl[id].build  = entry[2]  ---@type table
+
+        ps_tbl[id].publish("formed", entry[1])
+
+        for key, val in pairs(data_tbl[id].build) do ps_tbl[id].publish(key, val) end
+    end
+
+    return exists or (create == true)
+end
+
 -- populate facility structure builds
 ---@param build table
 ---@return boolean valid
@@ -191,21 +312,29 @@ function iocontrol.record_facility_builds(build)
         -- induction matricies
         if type(build.induction) == "table" then
             for id, matrix in pairs(build.induction) do
-                if type(fac.induction_data_tbl[id]) == "table" then
-                    fac.induction_data_tbl[id].formed = matrix[1]  ---@type boolean
-                    fac.induction_data_tbl[id].build  = matrix[2]  ---@type table
-
-                    fac.induction_ps_tbl[id].publish("formed", matrix[1])
-
-                    for key, val in pairs(fac.induction_data_tbl[id].build) do
-                        fac.induction_ps_tbl[id].publish(key, val)
-                    end
-                else
+                if not _record_multiblock_build(id, matrix, fac.induction_data_tbl, fac.induction_ps_tbl) then
                     log.debug(util.c("iocontrol.record_facility_builds: invalid induction matrix id ", id))
                     valid = false
                 end
             end
         end
+
+        -- SPS
+        if type(build.sps) == "table" then
+            for id, sps in pairs(build.sps) do
+                if not _record_multiblock_build(id, sps, fac.sps_data_tbl, fac.sps_ps_tbl) then
+                    log.debug(util.c("iocontrol.record_facility_builds: invalid SPS id ", id))
+                    valid = false
+                end
+            end
+        end
+
+        -- dynamic tanks
+        if type(build.tanks) == "table" then
+            for id, tank in pairs(build.tanks) do
+                _record_multiblock_build(id, tank, fac.tank_data_tbl, fac.tank_ps_tbl, true)
+            end
+        end
     else
         log.debug("facility builds not a table")
         valid = false
@@ -249,16 +378,7 @@ function iocontrol.record_unit_builds(builds)
             -- boiler builds
             if type(build.boilers) == "table" then
                 for b_id, boiler in pairs(build.boilers) do
-                    if type(unit.boiler_data_tbl[b_id]) == "table" then
-                        unit.boiler_data_tbl[b_id].formed = boiler[1] ---@type boolean
-                        unit.boiler_data_tbl[b_id].build  = boiler[2] ---@type table
-
-                        unit.boiler_ps_tbl[b_id].publish("formed", boiler[1])
-
-                        for key, val in pairs(unit.boiler_data_tbl[b_id].build) do
-                            unit.boiler_ps_tbl[b_id].publish(key, val)
-                        end
-                    else
+                    if not _record_multiblock_build(b_id, boiler, unit.boiler_data_tbl, unit.boiler_ps_tbl) then
                         log.debug(util.c(log_header, "invalid boiler id ", b_id))
                         valid = false
                     end
@@ -268,27 +388,49 @@ function iocontrol.record_unit_builds(builds)
             -- turbine builds
             if type(build.turbines) == "table" then
                 for t_id, turbine in pairs(build.turbines) do
-                    if type(unit.turbine_data_tbl[t_id]) == "table" then
-                        unit.turbine_data_tbl[t_id].formed = turbine[1]   ---@type boolean
-                        unit.turbine_data_tbl[t_id].build  = turbine[2]   ---@type table
-
-                        unit.turbine_ps_tbl[t_id].publish("formed", turbine[1])
-
-                        for key, val in pairs(unit.turbine_data_tbl[t_id].build) do
-                            unit.turbine_ps_tbl[t_id].publish(key, val)
-                        end
-                    else
+                    if not _record_multiblock_build(t_id, turbine, unit.turbine_data_tbl, unit.turbine_ps_tbl) then
                         log.debug(util.c(log_header, "invalid turbine id ", t_id))
                         valid = false
                     end
                 end
             end
+
+            -- dynamic tank builds
+            if type(build.tanks) == "table" then
+                for d_id, d_tank in pairs(build.tanks) do
+                    _record_multiblock_build(d_id, d_tank, unit.tank_data_tbl, unit.tank_ps_tbl, true)
+                end
+            end
         end
     end
 
     return valid
 end
 
+--#endregion
+
+--#region Statuses
+
+-- record and publish multiblock status data
+---@param entry any
+---@param data imatrix_session_db|sps_session_db|dynamicv_session_db|turbinev_session_db|boilerv_session_db
+---@param ps psil
+---@return boolean is_faulted
+local function _record_multiblock_status(entry, data, ps)
+    local is_faulted = entry[1] ---@type boolean
+    data.formed      = entry[2] ---@type boolean
+    data.state       = entry[3] ---@type table
+    data.tanks       = entry[4] ---@type table
+
+    ps.publish("formed", data.formed)
+    ps.publish("faulted", is_faulted)
+
+    for key, val in pairs(data.state) do ps.publish(key, val) end
+    for key, val in pairs(data.tanks) do ps.publish(key, val) end
+
+    return is_faulted
+end
+
 -- update facility status
 ---@param status table
 ---@return boolean valid
@@ -306,7 +448,7 @@ function iocontrol.update_facility_status(status)
 
         local ctl_status = status[1]
 
-        if type(ctl_status) == "table" and #ctl_status == 14 then
+        if type(ctl_status) == "table" and #ctl_status == 16 then
             fac.all_sys_ok = ctl_status[1]
             fac.auto_ready = ctl_status[2]
 
@@ -354,6 +496,12 @@ function iocontrol.update_facility_status(status)
                     io.units[i].unit_ps.publish("auto_group", names[group_map[i] + 1])
                 end
             end
+
+            fac.auto_current_waste_product = ctl_status[15]
+            fac.auto_pu_fallback_active = ctl_status[16]
+
+            fac.ps.publish("current_waste_product", fac.auto_current_waste_product)
+            fac.ps.publish("pu_fallback_active", fac.auto_pu_fallback_active)
         else
             log.debug(log_header .. "control status not a table or length mismatch")
             valid = false
@@ -390,36 +538,23 @@ function iocontrol.update_facility_status(status)
 
                 for id, matrix in pairs(rtu_statuses.induction) do
                     if type(fac.induction_data_tbl[id]) == "table" then
-                        local rtu_faulted                 = matrix[1]   ---@type boolean
-                        fac.induction_data_tbl[id].formed = matrix[2]   ---@type boolean
-                        fac.induction_data_tbl[id].state  = matrix[3]   ---@type table
-                        fac.induction_data_tbl[id].tanks  = matrix[4]   ---@type table
-
                         local data = fac.induction_data_tbl[id] ---@type imatrix_session_db
+                        local ps   = fac.induction_ps_tbl[id]   ---@type psil
 
-                        fac.induction_ps_tbl[id].publish("formed", data.formed)
-                        fac.induction_ps_tbl[id].publish("faulted", rtu_faulted)
+                        local rtu_faulted = _record_multiblock_status(matrix, data, ps)
 
-                        if data.formed then
                         if rtu_faulted then
-                                fac.induction_ps_tbl[id].publish("computed_status", 3)  -- faulted
-                            elseif data.tanks.energy_fill >= 0.99 then
-                                fac.induction_ps_tbl[id].publish("computed_status", 6)  -- full
+                            ps.publish("computed_status", 3)    -- faulted
+                        elseif data.formed then
+                            if data.tanks.energy_fill >= 0.99 then
+                                ps.publish("computed_status", 6)    -- full
                             elseif data.tanks.energy_fill <= 0.01 then
-                                fac.induction_ps_tbl[id].publish("computed_status", 5)  -- empty
+                                ps.publish("computed_status", 5)    -- empty
                             else
-                                fac.induction_ps_tbl[id].publish("computed_status", 4)  -- on-line
+                                ps.publish("computed_status", 4)    -- on-line
                             end
                         else
-                            fac.induction_ps_tbl[id].publish("computed_status", 2)      -- not formed
-                        end
-
-                        for key, val in pairs(fac.induction_data_tbl[id].state) do
-                            fac.induction_ps_tbl[id].publish(key, val)
-                        end
-
-                        for key, val in pairs(fac.induction_data_tbl[id].tanks) do
-                            fac.induction_ps_tbl[id].publish(key, val)
+                            ps.publish("computed_status", 2)        -- not formed
                         end
                     else
                         log.debug(util.c(log_header, "invalid induction matrix id ", id))
@@ -430,6 +565,82 @@ function iocontrol.update_facility_status(status)
                 valid = false
             end
 
+            -- SPS statuses
+            if type(rtu_statuses.sps) == "table" then
+                for id = 1, #fac.sps_ps_tbl do
+                    if rtu_statuses.sps[id] == nil then
+                        -- disconnected
+                        fac.sps_ps_tbl[id].publish("computed_status", 1)
+                    end
+                end
+
+                for id, sps in pairs(rtu_statuses.sps) do
+                    if type(fac.sps_data_tbl[id]) == "table" then
+                        local data = fac.sps_data_tbl[id]   ---@type sps_session_db
+                        local ps   = fac.sps_ps_tbl[id]     ---@type psil
+
+                        local rtu_faulted = _record_multiblock_status(sps, data, ps)
+
+                        if rtu_faulted then
+                            ps.publish("computed_status", 3)        -- faulted
+                        elseif data.formed then
+                            if data.state.process_rate > 0 then
+                                ps.publish("computed_status", 5)    -- active
+                            else
+                                ps.publish("computed_status", 4)    -- idle
+                            end
+                        else
+                            ps.publish("computed_status", 2)        -- not formed
+                        end
+
+                        io.facility.ps.publish("am_rate", data.state.process_rate * 1000)
+                    else
+                        log.debug(util.c(log_header, "invalid sps id ", id))
+                    end
+                end
+            else
+                log.debug(log_header .. "sps list not a table")
+                valid = false
+            end
+
+            -- dynamic tank statuses
+            if type(rtu_statuses.tanks) == "table" then
+                for id = 1, #fac.tank_ps_tbl do
+                    if rtu_statuses.tanks[id] == nil then
+                        -- disconnected
+                        fac.tank_ps_tbl[id].publish("computed_status", 1)
+                    end
+                end
+
+                for id, tank in pairs(rtu_statuses.tanks) do
+                    if type(fac.tank_data_tbl[id]) == "table" then
+                        local data = fac.tank_data_tbl[id]  ---@type dynamicv_session_db
+                        local ps   = fac.tank_ps_tbl[id]    ---@type psil
+
+                        local rtu_faulted = _record_multiblock_status(tank, data, ps)
+
+                        if rtu_faulted then
+                            ps.publish("computed_status", 3)        -- faulted
+                        elseif data.formed then
+                            if data.tanks.fill >= 0.99 then
+                                ps.publish("computed_status", 6)    -- full
+                            elseif data.tanks.fill < 0.20 then
+                                ps.publish("computed_status", 5)    -- low
+                            else
+                                ps.publish("computed_status", 4)    -- on-line
+                            end
+                        else
+                            ps.publish("computed_status", 2)        -- not formed
+                        end
+                    else
+                        log.debug(util.c(log_header, "invalid dynamic tank id ", id))
+                    end
+                end
+            else
+                log.debug(log_header .. "dyanmic tank list not a table")
+                valid = false
+            end
+
             -- environment detector status
             if type(rtu_statuses.rad_mon) == "table" then
                 if #rtu_statuses.rad_mon > 0 then
@@ -472,6 +683,9 @@ function iocontrol.update_unit_statuses(statuses)
         valid = false
     else
         local burn_rate_sum = 0.0
+        local sna_count_sum = 0
+        local pu_rate = 0.0
+        local po_rate = 0.0
 
         -- get all unit statuses
         for i = 1, #statuses do
@@ -480,6 +694,8 @@ function iocontrol.update_unit_statuses(statuses)
             local unit = io.units[i]    ---@type ioctl_unit
             local status = statuses[i]
 
+            local burn_rate = 0.0
+
             if type(status) ~= "table" or #status ~= 5 then
                 log.debug(log_header .. "invalid status entry in unit statuses (not a table or invalid length)")
                 valid = false
@@ -515,7 +731,8 @@ function iocontrol.update_unit_statuses(statuses)
 
                     -- if status hasn't been received, mek_status = {}
                     if type(unit.reactor_data.mek_status.act_burn_rate) == "number" then
-                        burn_rate_sum = burn_rate_sum + unit.reactor_data.mek_status.act_burn_rate
+                        burn_rate = unit.reactor_data.mek_status.act_burn_rate
+                        burn_rate_sum = burn_rate_sum + burn_rate
                     end
 
                     if unit.reactor_data.mek_status.status then
@@ -571,34 +788,21 @@ function iocontrol.update_unit_statuses(statuses)
 
                         for id, boiler in pairs(rtu_statuses.boilers) do
                             if type(unit.boiler_data_tbl[id]) == "table" then
-                                local rtu_faulted               = boiler[1] ---@type boolean
-                                unit.boiler_data_tbl[id].formed = boiler[2] ---@type boolean
-                                unit.boiler_data_tbl[id].state  = boiler[3] ---@type table
-                                unit.boiler_data_tbl[id].tanks  = boiler[4] ---@type table
-
                                 local data = unit.boiler_data_tbl[id]   ---@type boilerv_session_db
+                                local ps   = unit.boiler_ps_tbl[id]     ---@type psil
 
-                                unit.boiler_ps_tbl[id].publish("formed", data.formed)
-                                unit.boiler_ps_tbl[id].publish("faulted", rtu_faulted)
+                                local rtu_faulted = _record_multiblock_status(boiler, data, ps)
 
                                 if rtu_faulted then
-                                    unit.boiler_ps_tbl[id].publish("computed_status", 3)        -- faulted
+                                    ps.publish("computed_status", 3)        -- faulted
                                 elseif data.formed then
                                     if data.state.boil_rate > 0 then
-                                        unit.boiler_ps_tbl[id].publish("computed_status", 5)    -- active
+                                        ps.publish("computed_status", 5)    -- active
                                     else
-                                        unit.boiler_ps_tbl[id].publish("computed_status", 4)    -- idle
+                                        ps.publish("computed_status", 4)    -- idle
                                     end
                                 else
-                                    unit.boiler_ps_tbl[id].publish("computed_status", 2)        -- not formed
-                                end
-
-                                for key, val in pairs(unit.boiler_data_tbl[id].state) do
-                                    unit.boiler_ps_tbl[id].publish(key, val)
-                                end
-
-                                for key, val in pairs(unit.boiler_data_tbl[id].tanks) do
-                                    unit.boiler_ps_tbl[id].publish(key, val)
+                                    ps.publish("computed_status", 2)        -- not formed
                                 end
                             else
                                 log.debug(util.c(log_header, "invalid boiler id ", id))
@@ -621,36 +825,23 @@ function iocontrol.update_unit_statuses(statuses)
 
                         for id, turbine in pairs(rtu_statuses.turbines) do
                             if type(unit.turbine_data_tbl[id]) == "table" then
-                                local rtu_faulted                = turbine[1]   ---@type boolean
-                                unit.turbine_data_tbl[id].formed = turbine[2]   ---@type boolean
-                                unit.turbine_data_tbl[id].state  = turbine[3]   ---@type table
-                                unit.turbine_data_tbl[id].tanks  = turbine[4]   ---@type table
-
                                 local data = unit.turbine_data_tbl[id]  ---@type turbinev_session_db
+                                local ps   = unit.turbine_ps_tbl[id]    ---@type psil
 
-                                unit.turbine_ps_tbl[id].publish("formed", data.formed)
-                                unit.turbine_ps_tbl[id].publish("faulted", rtu_faulted)
+                                local rtu_faulted = _record_multiblock_status(turbine, data, ps)
 
                                 if rtu_faulted then
-                                    unit.turbine_ps_tbl[id].publish("computed_status", 3)       -- faulted
+                                    ps.publish("computed_status", 3)        -- faulted
                                 elseif data.formed then
                                     if data.tanks.energy_fill >= 0.99 then
-                                        unit.turbine_ps_tbl[id].publish("computed_status", 6)   -- trip
+                                        ps.publish("computed_status", 6)    -- trip
                                     elseif data.state.flow_rate < 100 then
-                                        unit.turbine_ps_tbl[id].publish("computed_status", 4)   -- idle
+                                        ps.publish("computed_status", 4)    -- idle
                                     else
-                                        unit.turbine_ps_tbl[id].publish("computed_status", 5)   -- active
+                                        ps.publish("computed_status", 5)    -- active
                                     end
                                 else
-                                    unit.turbine_ps_tbl[id].publish("computed_status", 2)       -- not formed
-                                end
-
-                                for key, val in pairs(unit.turbine_data_tbl[id].state) do
-                                    unit.turbine_ps_tbl[id].publish(key, val)
-                                end
-
-                                for key, val in pairs(unit.turbine_data_tbl[id].tanks) do
-                                    unit.turbine_ps_tbl[id].publish(key, val)
+                                    ps.publish("computed_status", 2)        -- not formed
                                 end
                             else
                                 log.debug(util.c(log_header, "invalid turbine id ", id))
@@ -662,6 +853,58 @@ function iocontrol.update_unit_statuses(statuses)
                         valid = false
                     end
 
+                    -- dynamic tank statuses
+                    if type(rtu_statuses.tanks) == "table" then
+                        for id = 1, #unit.tank_ps_tbl do
+                            if rtu_statuses.tanks[i] == nil then
+                                -- disconnected
+                                unit.tank_ps_tbl[id].publish("computed_status", 1)
+                            end
+                        end
+
+                        for id, tank in pairs(rtu_statuses.tanks) do
+                            if type(unit.tank_data_tbl[id]) == "table" then
+                                local data = unit.tank_data_tbl[id] ---@type dynamicv_session_db
+                                local ps   = unit.tank_ps_tbl[id]   ---@type psil
+
+                                local rtu_faulted = _record_multiblock_status(tank, data, ps)
+
+                                if rtu_faulted then
+                                    ps.publish("computed_status", 3)        -- faulted
+                                elseif data.formed then
+                                    if data.tanks.fill >= 0.99 then
+                                        ps.publish("computed_status", 6)    -- full
+                                    elseif data.tanks.fill < 0.20 then
+                                        ps.publish("computed_status", 5)    -- low
+                                    else
+                                        ps.publish("computed_status", 5)    -- active
+                                    end
+                                else
+                                    ps.publish("computed_status", 2)        -- not formed
+                                end
+                            else
+                                log.debug(util.c(log_header, "invalid dynamic tank id ", id))
+                                valid = false
+                            end
+                        end
+                    else
+                        log.debug(log_header .. "dynamic tank list not a table")
+                        valid = false
+                    end
+
+                    -- solar neutron activator status info
+                    if type(rtu_statuses.sna) == "table" then
+                        unit.num_snas      = rtu_statuses.sna[1]    ---@type integer
+                        unit.sna_prod_rate = rtu_statuses.sna[2]    ---@type number
+
+                        unit.unit_ps.publish("sna_prod_rate", unit.sna_prod_rate)
+
+                        sna_count_sum = sna_count_sum + unit.num_snas
+                    else
+                        log.debug(log_header .. "sna statistic list not a table")
+                        valid = false
+                    end
+
                     -- environment detector status
                     if type(rtu_statuses.rad_mon) == "table" then
                         if #rtu_statuses.rad_mon > 0 then
@@ -739,12 +982,17 @@ function iocontrol.update_unit_statuses(statuses)
                 local unit_state = status[5]
 
                 if type(unit_state) == "table" then
-                    if #unit_state == 5 then
+                    if #unit_state == 6 then
+                        unit.waste_mode = unit_state[5]
+                        unit.waste_product = unit_state[6]
+
                         unit.unit_ps.publish("U_StatusLine1", unit_state[1])
                         unit.unit_ps.publish("U_StatusLine2", unit_state[2])
-                        unit.unit_ps.publish("U_WasteMode", unit_state[3])
-                        unit.unit_ps.publish("U_AutoReady", unit_state[4])
-                        unit.unit_ps.publish("U_AutoDegraded", unit_state[5])
+                        unit.unit_ps.publish("U_AutoReady", unit_state[3])
+                        unit.unit_ps.publish("U_AutoDegraded", unit_state[4])
+                        unit.unit_ps.publish("U_AutoWaste", unit.waste_mode == types.WASTE_MODE.AUTO)
+                        unit.unit_ps.publish("U_WasteMode", unit.waste_mode)
+                        unit.unit_ps.publish("U_WasteProduct", unit.waste_product)
                     else
                         log.debug(log_header .. "unit state length mismatch")
                         valid = false
@@ -753,10 +1001,18 @@ function iocontrol.update_unit_statuses(statuses)
                     log.debug(log_header .. "unit state not a table")
                     valid = false
                 end
+
+                -- determine waste production for this unit, add to statistics
+                local is_pu = unit.waste_product == types.WASTE_PRODUCT.PLUTONIUM
+                pu_rate = pu_rate + util.trinary(is_pu, burn_rate / 10.0, 0.0)
+                po_rate = po_rate + util.trinary(not is_pu, math.min(burn_rate / 10.0, unit.sna_prod_rate), 0.0)
             end
         end
 
         io.facility.ps.publish("burn_sum", burn_rate_sum)
+        io.facility.ps.publish("sna_count", sna_count_sum)
+        io.facility.ps.publish("pu_rate", pu_rate)
+        io.facility.ps.publish("po_rate", po_rate)
 
         -- update alarm sounder
         sounder.eval(io.units)
@@ -765,6 +1021,8 @@ function iocontrol.update_unit_statuses(statuses)
     return valid
 end
 
+--#endregion
+
 -- get the IO controller database
 function iocontrol.get_db() return io end
 

coordinator/process.lua

@@ -11,6 +11,7 @@ local FAC_COMMAND = comms.FAC_COMMAND
 local UNIT_COMMAND = comms.UNIT_COMMAND
 
 local PROCESS = types.PROCESS
+local PRODUCT = types.WASTE_PRODUCT
 
 ---@class process_controller
 local process = {}
@@ -24,7 +25,9 @@ local self = {
         burn_target = 0.0,
         charge_target = 0.0,
         gen_target = 0.0,
-        limits = {}
+        limits = {},
+        waste_product = PRODUCT.PLUTONIUM,
+        pu_fallback = false
     }
 }
 
@@ -48,19 +51,23 @@ function process.init(iocontrol, coord_comms)
         log.error("process.init(): failed to load coordinator settings file")
     end
 
+    -- facility auto control configuration
     local config = settings.get("PROCESS")  ---@type coord_auto_config|nil
-
     if type(config) == "table" then
         self.config.mode = config.mode
         self.config.burn_target = config.burn_target
         self.config.charge_target = config.charge_target
         self.config.gen_target = config.gen_target
         self.config.limits = config.limits
+        self.config.waste_product = config.waste_product
+        self.config.pu_fallback = config.pu_fallback
 
         self.io.facility.ps.publish("process_mode", self.config.mode)
         self.io.facility.ps.publish("process_burn_target", self.config.burn_target)
         self.io.facility.ps.publish("process_charge_target", self.config.charge_target)
         self.io.facility.ps.publish("process_gen_target", self.config.gen_target)
+        self.io.facility.ps.publish("process_waste_product", self.config.waste_product)
+        self.io.facility.ps.publish("process_pu_fallback", self.config.pu_fallback)
 
         for id = 1, math.min(#self.config.limits, self.io.facility.num_units) do
             local unit = self.io.units[id]   ---@type ioctl_unit
@@ -70,18 +77,18 @@ function process.init(iocontrol, coord_comms)
         log.info("PROCESS: loaded auto control settings from coord.settings")
     end
 
-    local waste_mode = settings.get("WASTE_MODES")  ---@type table|nil
-
-    if type(waste_mode) == "table" then
-        for id, mode in pairs(waste_mode) do
+    -- unit waste states
+    local waste_modes = settings.get("WASTE_MODES")  ---@type table|nil
+    if type(waste_modes) == "table" then
+        for id, mode in pairs(waste_modes) do
             self.comms.send_unit_command(UNIT_COMMAND.SET_WASTE, id, mode)
         end
 
-        log.info("PROCESS: loaded waste mode settings from coord.settings")
+        log.info("PROCESS: loaded unit waste mode settings from coord.settings")
     end
 
+    -- unit priority groups
     local prio_groups = settings.get("PRIORITY_GROUPS") ---@type table|nil
-
     if type(prio_groups) == "table" then
         for id, group in pairs(prio_groups) do
             self.comms.send_unit_command(UNIT_COMMAND.SET_GROUP, id, group)
@@ -137,7 +144,7 @@ end
 -- set waste mode
 ---@param id integer unit ID
 ---@param mode integer waste mode
-function process.set_waste(id, mode)
+function process.set_unit_waste(id, mode)
     -- publish so that if it fails then it gets reset
     self.io.units[id].unit_ps.publish("U_WasteMode", mode)
 
@@ -153,7 +160,7 @@ function process.set_waste(id, mode)
     settings.set("WASTE_MODES", waste_mode)
 
     if not settings.save("/coord.settings") then
-        log.error("process.set_waste(): failed to save coordinator settings file")
+        log.error("process.set_unit_waste(): failed to save coordinator settings file")
     end
 end
 
@@ -204,6 +211,24 @@ end
 -- AUTO PROCESS CONTROL --
 --------------------------
 
+-- write auto process control to config file
+local function _write_auto_config()
+    -- attempt to load settings
+    if not settings.load("/coord.settings") then
+        log.warning("process._write_auto_config(): failed to load coordinator settings file")
+    end
+
+    -- save config
+    settings.set("PROCESS", self.config)
+    local saved = settings.save("/coord.settings")
+
+    if not saved then
+        log.warning("process._write_auto_config(): failed to save coordinator settings file")
+    end
+
+    return not not saved
+end
+
 -- stop automatic process control
 function process.stop_auto()
     self.comms.send_fac_command(FAC_COMMAND.STOP)
@@ -216,6 +241,30 @@ function process.start_auto()
     log.debug("PROCESS: START AUTO CTL")
 end
 
+-- set automatic process control waste mode
+---@param product WASTE_PRODUCT waste product for auto control
+function process.set_process_waste(product)
+    self.comms.send_fac_command(FAC_COMMAND.SET_WASTE_MODE, product)
+
+    log.debug(util.c("PROCESS: SET WASTE ", product))
+
+    -- update config table and save
+    self.config.waste_product = product
+    _write_auto_config()
+end
+
+-- set automatic process control plutonium fallback
+---@param enabled boolean whether to enable plutonium fallback
+function process.set_pu_fallback(enabled)
+    self.comms.send_fac_command(FAC_COMMAND.SET_PU_FB, enabled)
+
+    log.debug(util.c("PROCESS: SET PU FALLBACK ", enabled))
+
+    -- update config table and save
+    self.config.pu_fallback = enabled
+    _write_auto_config()
+end
+
 -- save process control settings
 ---@param mode PROCESS control mode
 ---@param burn_target number burn rate target
@@ -223,29 +272,17 @@ end
 ---@param gen_target number generation rate target
 ---@param limits table unit burn rate limits
 function process.save(mode, burn_target, charge_target, gen_target, limits)
-    -- attempt to load settings
-    if not settings.load("/coord.settings") then
-        log.warning("process.save(): failed to load coordinator settings file")
-    end
+    log.debug("PROCESS: SAVE")
 
-    -- config table
-    self.config = {
-        mode = mode,
-        burn_target = burn_target,
-        charge_target = charge_target,
-        gen_target = gen_target,
-        limits = limits
-    }
+    -- update config table
+    self.config.mode = mode
+    self.config.burn_target = burn_target
+    self.config.charge_target = charge_target
+    self.config.gen_target = gen_target
+    self.config.limits = limits
 
     -- save config
-    settings.set("PROCESS", self.config)
-    local saved = settings.save("/coord.settings")
-
-    if not saved then
-        log.warning("process.save(): failed to save coordinator settings file")
-    end
-
-    self.io.facility.save_cfg_ack(saved)
+    self.io.facility.save_cfg_ack(_write_auto_config())
 end
 
 -- handle a start command acknowledgement
@@ -258,16 +295,33 @@ function process.start_ack_handle(response)
     self.config.charge_target = response[4]
     self.config.gen_target = response[5]
 
-    for i = 1, #response[6] do
+    for i = 1, math.min(#response[6], self.io.facility.num_units) do
         self.config.limits[i] = response[6][i]
+
+        local unit = self.io.units[i]   ---@type ioctl_unit
+        unit.unit_ps.publish("burn_limit", self.config.limits[i])
     end
 
-    self.io.facility.ps.publish("auto_mode", self.config.mode)
-    self.io.facility.ps.publish("burn_target", self.config.burn_target)
-    self.io.facility.ps.publish("charge_target", self.config.charge_target)
-    self.io.facility.ps.publish("gen_target", self.config.gen_target)
+    self.io.facility.ps.publish("process_mode", self.config.mode)
+    self.io.facility.ps.publish("process_burn_target", self.config.burn_target)
+    self.io.facility.ps.publish("process_charge_target", self.config.charge_target)
+    self.io.facility.ps.publish("process_gen_target", self.config.gen_target)
 
     self.io.facility.start_ack(ack)
 end
 
+-- record waste product state after attempting to change it
+---@param response WASTE_PRODUCT supervisor waste product state
+function process.waste_ack_handle(response)
+    self.config.waste_product = response
+    self.io.facility.ps.publish("process_waste_product", response)
+end
+
+-- record plutonium fallback state after attempting to change it
+---@param response boolean supervisor plutonium fallback state
+function process.pu_fb_ack_handle(response)
+    self.config.pu_fallback = response
+    self.io.facility.ps.publish("process_pu_fallback", response)
+end
+
 return process

coordinator/renderer.lua

@@ -5,8 +5,12 @@
 local log        = require("scada-common.log")
 local util       = require("scada-common.util")
 
-local style      = require("coordinator.ui.style")
+local iocontrol  = require("coordinator.iocontrol")
 
+local style      = require("coordinator.ui.style")
+local pgi        = require("coordinator.ui.pgi")
+
+local panel_view = require("coordinator.ui.layout.front_panel")
 local main_view  = require("coordinator.ui.layout.main_view")
 local unit_view  = require("coordinator.ui.layout.unit_view")
 
@@ -21,7 +25,9 @@ local engine = {
     monitors = nil,         ---@type monitors_struct|nil
     dmesg_window = nil,     ---@type table|nil
     ui_ready = false,
+    fp_ready = false,
     ui = {
+        front_panel = nil,  ---@type graphics_element|nil
         main_display = nil, ---@type graphics_element|nil
         unit_displays = {}
     }
@@ -46,24 +52,10 @@ end
 ---@param monitors monitors_struct
 function renderer.set_displays(monitors)
     engine.monitors = monitors
-end
 
--- check if the renderer is configured to use a given monitor peripheral
----@nodiscard
----@param periph table peripheral
----@return boolean is_used
-function renderer.is_monitor_used(periph)
-    if engine.monitors ~= nil then
-        if engine.monitors.primary == periph then
-            return true
-        else
-            for _, monitor in ipairs(engine.monitors.unit_displays) do
-                if monitor == periph then return true end
-            end
-        end
-    end
-
-    return false
+    -- report to front panel as connected
+    iocontrol.fp_monitor_state(0, true)
+    for i = 1, #engine.monitors.unit_displays do iocontrol.fp_monitor_state(i, true) end
 end
 
 -- init all displays in use by the renderer
@@ -75,6 +67,17 @@ function renderer.init_displays()
     for _, monitor in ipairs(engine.monitors.unit_displays) do
         _init_display(monitor)
     end
+
+    -- init terminal
+    term.setTextColor(colors.white)
+    term.setBackgroundColor(colors.black)
+    term.clear()
+    term.setCursorPos(1, 1)
+
+    -- set overridden colors
+    for i = 1, #style.fp.colors do
+        term.setPaletteColor(style.fp.colors[i].c, style.fp.colors[i].hex)
+    end
 end
 
 -- check main display width
@@ -109,6 +112,51 @@ function renderer.init_dmesg()
     log.direct_dmesg(engine.dmesg_window)
 end
 
+-- start the coordinator front panel
+function renderer.start_fp()
+    if not engine.fp_ready then
+        -- show front panel view on terminal
+        engine.ui.front_panel = DisplayBox{window=term.native(),fg_bg=style.fp.root}
+        panel_view(engine.ui.front_panel, #engine.monitors.unit_displays)
+
+        -- start flasher callback task
+        flasher.run()
+
+        -- report front panel as ready
+        engine.fp_ready = true
+    end
+end
+
+-- close out the front panel
+function renderer.close_fp()
+    if engine.fp_ready then
+        if not engine.ui_ready then
+            -- stop blinking indicators
+            flasher.clear()
+        end
+
+        -- disable PGI
+        pgi.unlink()
+
+        -- hide to stop animation callbacks and clear root UI elements
+        engine.ui.front_panel.hide()
+        engine.ui.front_panel = nil
+        engine.fp_ready = false
+
+        -- restore colors
+        for i = 1, #style.colors do
+            local r, g, b = term.nativePaletteColor(style.colors[i].c)
+            term.setPaletteColor(style.colors[i].c, r, g, b)
+        end
+
+        -- reset terminal
+        term.setTextColor(colors.white)
+        term.setBackgroundColor(colors.black)
+        term.clear()
+        term.setCursorPos(1, 1)
+    end
+end
+
 -- start the coordinator GUI
 function renderer.start_ui()
     if not engine.ui_ready then
@@ -116,13 +164,15 @@ function renderer.start_ui()
         engine.dmesg_window.setVisible(false)
 
         -- show main view on main monitor
+        if engine.monitors.primary ~= nil then
             engine.ui.main_display = DisplayBox{window=engine.monitors.primary,fg_bg=style.root}
             main_view(engine.ui.main_display)
+        end
 
         -- show unit views on unit displays
-        for i = 1, #engine.monitors.unit_displays do
-            engine.ui.unit_displays[i] = DisplayBox{window=engine.monitors.unit_displays[i],fg_bg=style.root}
-            unit_view(engine.ui.unit_displays[i], i)
+        for idx, display in pairs(engine.monitors.unit_displays) do
+            engine.ui.unit_displays[idx] = DisplayBox{window=display,fg_bg=style.root}
+            unit_view(engine.ui.unit_displays[idx], idx)
         end
 
         -- start flasher callback task
@@ -135,12 +185,14 @@ end
 
 -- close out the UI
 function renderer.close_ui()
+    if not engine.fp_ready then
         -- stop blinking indicators
         flasher.clear()
+    end
 
     -- delete element trees
     if engine.ui.main_display ~= nil then engine.ui.main_display.delete() end
-    for _, display in ipairs(engine.ui.unit_displays) do display.delete() end
+    for _, display in pairs(engine.ui.unit_displays) do display.delete() end
 
     -- report ui as not ready
     engine.ui_ready = false
@@ -157,15 +209,112 @@ function renderer.close_ui()
     engine.dmesg_window.redraw()
 end
 
+-- is the front panel ready?
+---@nodiscard
+---@return boolean ready
+function renderer.fp_ready() return engine.fp_ready end
+
 -- is the UI ready?
 ---@nodiscard
 ---@return boolean ready
 function renderer.ui_ready() return engine.ui_ready end
 
+-- handle a monitor peripheral being disconnected
+---@param device table monitor
+---@return boolean is_used if the monitor is one of the configured monitors
+function renderer.handle_disconnect(device)
+    local is_used = false
+
+    if engine.monitors ~= nil then
+        if engine.monitors.primary == device then
+            if engine.ui.main_display ~= nil then
+                -- delete element tree and clear root UI elements
+                engine.ui.main_display.delete()
+            end
+
+            is_used = true
+            engine.monitors.primary = nil
+            engine.ui.main_display = nil
+
+            iocontrol.fp_monitor_state(0, false)
+        else
+            for idx, monitor in pairs(engine.monitors.unit_displays) do
+                if monitor == device then
+                    if engine.ui.unit_displays[idx] ~= nil then
+                        engine.ui.unit_displays[idx].delete()
+                    end
+
+                    is_used = true
+                    engine.monitors.unit_displays[idx] = nil
+                    engine.ui.unit_displays[idx] = nil
+
+                    iocontrol.fp_monitor_state(idx, false)
+                    break
+                end
+            end
+        end
+    end
+
+    return is_used
+end
+
+-- handle a monitor peripheral being reconnected
+---@param name string monitor name
+---@param device table monitor
+---@return boolean is_used if the monitor is one of the configured monitors
+function renderer.handle_reconnect(name, device)
+    local is_used = false
+
+    if engine.monitors ~= nil then
+        if engine.monitors.primary_name == name then
+            is_used = true
+            _init_display(device)
+            engine.monitors.primary = device
+
+            local disp_x, disp_y = engine.monitors.primary.getSize()
+            engine.dmesg_window.reposition(1, 1, disp_x, disp_y, engine.monitors.primary)
+
+            if engine.ui_ready and (engine.ui.main_display == nil) then
+                engine.dmesg_window.setVisible(false)
+
+                engine.ui.main_display = DisplayBox{window=device,fg_bg=style.root}
+                main_view(engine.ui.main_display)
+            else
+                engine.dmesg_window.setVisible(true)
+                engine.dmesg_window.redraw()
+            end
+
+            iocontrol.fp_monitor_state(0, true)
+        else
+            for idx, monitor in ipairs(engine.monitors.unit_name_map) do
+                if monitor == name then
+                    is_used = true
+                    _init_display(device)
+                    engine.monitors.unit_displays[idx] = device
+
+                    if engine.ui_ready and (engine.ui.unit_displays[idx] == nil) then
+                        engine.ui.unit_displays[idx] = DisplayBox{window=device,fg_bg=style.root}
+                        unit_view(engine.ui.unit_displays[idx], idx)
+                    end
+
+                    iocontrol.fp_monitor_state(idx, true)
+                    break
+                end
+            end
+        end
+    end
+
+    return is_used
+end
+
+
 -- handle a touch event
 ---@param event mouse_interaction|nil
 function renderer.handle_mouse(event)
-    if engine.ui_ready and event ~= nil then
+    if event ~= nil then
+        if engine.fp_ready and event.monitor == "terminal" then
+            engine.ui.front_panel.handle_mouse(event)
+        elseif engine.ui_ready then
             if event.monitor == engine.monitors.primary_name then
                 engine.ui.main_display.handle_mouse(event)
             else
@@ -173,6 +322,8 @@ function renderer.handle_mouse(event)
                     if event.monitor == monitor then
                         local layout = engine.ui.unit_displays[id]  ---@type graphics_element
                         layout.handle_mouse(event)
+                        break
+                    end
                 end
             end
         end

coordinator/session/apisessions.lua

@@ -4,6 +4,7 @@ local mqueue = require("scada-common.mqueue")
 local util      = require("scada-common.util")
 
 local config    = require("coordinator.config")
+local iocontrol = require("coordinator.iocontrol")
 
 local pocket    = require("coordinator.session.pocket")
 
@@ -112,6 +113,7 @@ function apisessions.establish_session(source_addr, version)
 
     setmetatable(pkt_s, mt)
 
+    iocontrol.fp_pkt_connected(id, version, source_addr)
     log.debug(util.c("[API] established new session: ", pkt_s))
 
     self.next_id = id + 1

coordinator/session/pocket.lua

@@ -3,14 +3,14 @@ local log    = require("scada-common.log")
 local mqueue    = require("scada-common.mqueue")
 local util      = require("scada-common.util")
 
+local iocontrol = require("coordinator.iocontrol")
+
 local pocket = {}
 
 local PROTOCOL = comms.PROTOCOL
 -- local CAPI_TYPE = comms.CAPI_TYPE
 local SCADA_MGMT_TYPE = comms.SCADA_MGMT_TYPE
 
-local println = util.println
-
 -- retry time constants in ms
 -- local INITIAL_WAIT = 1500
 -- local RETRY_PERIOD = 1000
@@ -69,6 +69,7 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
     local function _close()
         self.conn_watchdog.cancel()
         self.connected = false
+        iocontrol.fp_pkt_disconnected(id)
     end
 
     -- send a CAPI packet
@@ -140,6 +141,8 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
 
                     -- log.debug(log_header .. "PKT RTT = " .. self.last_rtt .. "ms")
                     -- log.debug(log_header .. "PKT TT  = " .. (srv_now - api_send) .. "ms")
+
+                    iocontrol.fp_pkt_rtt(id, self.last_rtt)
                 else
                     log.debug(log_header .. "SCADA keep alive packet length mismatch")
                 end
@@ -172,7 +175,6 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
     function public.close()
         _close()
         _send_mgmt(SCADA_MGMT_TYPE.CLOSE, {})
-        println("connection to pocket session " .. id .. " closed by server")
         log.info(log_header .. "session closed by server")
     end
 
@@ -211,7 +213,6 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
 
             -- exit if connection was closed
             if not self.connected then
-                println("connection to pocket session " .. id .. " closed by remote host")
                 log.info(log_header .. "session closed by remote host")
                 return self.connected
             end

coordinator/startup.lua

@@ -4,6 +4,7 @@
 
 require("/initenv").init_env()
 
+local comms       = require("scada-common.comms")
 local crash       = require("scada-common.crash")
 local log         = require("scada-common.log")
 local network     = require("scada-common.network")
@@ -21,7 +22,7 @@ local sounder     = require("coordinator.sounder")
 
 local apisessions = require("coordinator.session.apisessions")
 
-local COORDINATOR_VERSION = "v0.17.1"
+local COORDINATOR_VERSION = "v0.21.0"
 
 local println = util.println
 local println_ts = util.println_ts
@@ -30,7 +31,6 @@ local log_graphics = coordinator.log_graphics
 local log_sys = coordinator.log_sys
 local log_boot = coordinator.log_boot
 local log_comms = coordinator.log_comms
-local log_comms_connecting = coordinator.log_comms_connecting
 local log_crypto = coordinator.log_crypto
 
 ----------------------------------------
@@ -80,6 +80,9 @@ local function main()
     -- mount connected devices
     ppm.mount_all()
 
+    -- report versions/init fp PSIL
+    iocontrol.init_fp(COORDINATOR_VERSION, comms.version)
+
     -- setup monitors
     local configured, monitors = coordinator.configure_monitors(config.NUM_UNITS)
     if not configured or monitors == nil then
@@ -127,6 +130,7 @@ local function main()
         sounder.init(speaker, config.SOUNDER_VOLUME)
         log_boot("tone generation took " .. (util.time_ms() - sounder_start) .. "ms")
         log_sys("annunciator alarm configured")
+        iocontrol.fp_has_speaker(true)
     end
 
     ----------------------------------------
@@ -148,6 +152,7 @@ local function main()
         return
     else
         log_comms("wireless modem connected")
+        iocontrol.fp_has_modem(true)
     end
 
     -- create connection watchdog
@@ -167,76 +172,54 @@ local function main()
     local loop_clock = util.new_clock(MAIN_CLOCK)
 
     ----------------------------------------
-    -- connect to the supervisor
+    -- start front panel & UI start function
     ----------------------------------------
 
-    -- attempt to connect to the supervisor or exit
-    local function init_connect_sv()
-        local tick_waiting, task_done = log_comms_connecting("attempting to connect to configured supervisor on channel " .. config.SVR_CHANNEL)
+    log_graphics("starting front panel UI...")
 
-        -- attempt to establish a connection with the supervisory computer
-        if not coord_comms.sv_connect(60, tick_waiting, task_done) then
-            log_sys("supervisor connection failed, shutting down...")
-            log.fatal("failed to connect to supervisor")
-            return false
-        end
-
-        return true
-    end
-
-    if not init_connect_sv() then
-        println("startup> failed to connect to supervisor")
-        log_sys("system shutdown")
+    local fp_ok, fp_message = pcall(renderer.start_fp)
+    if not fp_ok then
+        renderer.close_fp()
+        log_graphics(util.c("front panel UI error: ", fp_message))
+        println_ts("front panel UI creation failed")
+        log.fatal(util.c("front panel GUI render failed with error ", fp_message))
         return
-    else
-        log_sys("supervisor connected, proceeding to UI start")
-    end
+    else log_graphics("front panel ready") end
 
-    ----------------------------------------
-    -- start the UI
-    ----------------------------------------
-
-    -- start up the UI
+    -- start up the main UI
     ---@return boolean ui_ok started ok
-    local function init_start_ui()
-        log_graphics("starting UI...")
+    local function start_main_ui()
+        log_graphics("starting main UI...")
 
         local draw_start = util.time_ms()
 
-        local ui_ok, message = pcall(renderer.start_ui)
+        local ui_ok, ui_message = pcall(renderer.start_ui)
         if not ui_ok then
             renderer.close_ui()
-            log_graphics(util.c("UI crashed: ", message))
-            println_ts("UI crashed")
-            log.fatal(util.c("GUI crashed with error ", message))
+            log_graphics(util.c("main UI error: ", ui_message))
+            log.fatal(util.c("main GUI render failed with error ", ui_message))
         else
-            log_graphics("first UI draw took " .. (util.time_ms() - draw_start) .. "ms")
-
-            -- start clock
-            loop_clock.start()
+            log_graphics("main UI draw took " .. (util.time_ms() - draw_start) .. "ms")
         end
 
         return ui_ok
     end
 
-    local ui_ok = init_start_ui()
-
     ----------------------------------------
     -- main event loop
     ----------------------------------------
 
+    local link_failed = false
+    local ui_ok = true
     local date_format = util.trinary(config.TIME_24_HOUR, "%X \x04 %A, %B %d %Y", "%r \x04 %A, %B %d %Y")
 
-    if ui_ok then
-        -- start connection watchdog
-        conn_watchdog.feed()
-        log.debug("startup> conn watchdog started")
+    -- start clock
+    loop_clock.start()
 
     log_sys("system started successfully")
-    end
 
     -- main event loop
-    while ui_ok do
+    while true do
         local event, param1, param2, param3, param4, param5 = util.pull_event()
 
         -- handle event
@@ -250,31 +233,32 @@ local function main()
                     if nic.is_modem(device) then
                         nic.disconnect()
                         log_sys("comms modem disconnected")
-                        println_ts("wireless modem disconnected!")
 
-                        -- close out UI
+                        local other_modem = ppm.get_wireless_modem()
+                        if other_modem then
+                            log_sys("found another wireless modem, using it for comms")
+                            nic.connect(other_modem)
+                        else
+                            -- close out main UI
                             renderer.close_ui()
 
                             -- alert user to status
                             log_sys("awaiting comms modem reconnect...")
+
+                            iocontrol.fp_has_modem(false)
+                        end
                     else
                         log_sys("non-comms modem disconnected")
                     end
                 elseif type == "monitor" then
-                    if renderer.is_monitor_used(device) then
-                        ---@todo will be handled properly in #249
-                        -- "halt and catch fire" style handling
-                        local msg = "lost a configured monitor, system will now exit"
-                        println_ts(msg)
-                        log_sys(msg)
-                        break
+                    if renderer.handle_disconnect(device) then
+                        log_sys("lost a configured monitor")
                     else
-                        log_sys("lost unused monitor, ignoring")
+                        log_sys("lost an unused monitor")
                     end
                 elseif type == "speaker" then
-                    local msg = "lost alarm sounder speaker"
-                    println_ts(msg)
-                    log_sys(msg)
+                    log_sys("lost alarm sounder speaker")
+                    iocontrol.fp_has_speaker(false)
                 end
             end
         elseif event == "peripheral" then
@@ -282,33 +266,50 @@ local function main()
 
             if type ~= nil and device ~= nil then
                 if type == "modem" then
-                    if device.isWireless() then
+                    if device.isWireless() and not nic.is_connected() then
                         -- reconnected modem
-                        nic.connect(device)
-
                         log_sys("comms modem reconnected")
-                        println_ts("wireless modem reconnected.")
-
-                        -- re-init system
-                        if not init_connect_sv() then break end
-                        ui_ok = init_start_ui()
+                        nic.connect(device)
+                        iocontrol.fp_has_modem(true)
+                    elseif device.isWireless() then
+                        log.info("unused wireless modem reconnected")
                     else
                         log_sys("wired modem reconnected")
                     end
-                -- elseif type == "monitor" then
-                    ---@todo will be handled properly in #249
-                    -- not supported, system will exit on loss of in-use monitors
+                elseif type == "monitor" then
+                    if renderer.handle_reconnect(param1, device) then
+                        log_sys(util.c("configured monitor ", param1, " reconnected"))
+                    else
+                        log_sys(util.c("unused monitor ", param1, " connected"))
+                    end
                 elseif type == "speaker" then
-                    local msg = "alarm sounder speaker reconnected"
-                    println_ts(msg)
-                    log_sys(msg)
+                    log_sys("alarm sounder speaker reconnected")
                     sounder.reconnect(device)
+                    iocontrol.fp_has_speaker(true)
                 end
             end
         elseif event == "timer" then
             if loop_clock.is_clock(param1) then
                 -- main loop tick
 
+                -- toggle heartbeat
+                iocontrol.heartbeat()
+
+                -- maintain connection
+                if nic.is_connected() then
+                    local ok, start_ui = coord_comms.try_connect()
+                    if not ok then
+                        link_failed = true
+                        log_sys("supervisor connection failed, shutting down...")
+                        log.fatal("failed to connect to supervisor")
+                        break
+                    elseif start_ui then
+                        log_sys("supervisor connected, proceeding to main UI start")
+                        ui_ok = start_main_ui()
+                        if not ui_ok then break end
+                    end
+                end
+
                 -- iterate sessions
                 apisessions.iterate_all()
 
@@ -316,25 +317,19 @@ local function main()
                 apisessions.free_all_closed()
 
                 -- update date and time string for main display
+                if coord_comms.is_linked() then
                     iocontrol.get_db().facility.ps.publish("date_time", os.date(date_format))
+                end
 
                 loop_clock.start()
             elseif conn_watchdog.is_timer(param1) then
                 -- supervisor watchdog timeout
-                local msg = "supervisor server timeout"
-                log_comms(msg)
-                println_ts(msg)
+                log_comms("supervisor server timeout")
 
-                -- close connection, UI, and stop sounder
+                -- close connection, main UI, and stop sounder
                 coord_comms.close()
                 renderer.close_ui()
                 sounder.stop()
-
-                if nic.connected() then
-                    -- try to re-connect to the supervisor
-                    if not init_connect_sv() then break end
-                    ui_ok = init_start_ui()
-                end
             else
                 -- a non-clock/main watchdog timer event
 
@@ -347,25 +342,19 @@ local function main()
         elseif event == "modem_message" then
             -- got a packet
             local packet = coord_comms.parse_packet(param1, param2, param3, param4, param5)
-            coord_comms.handle_packet(packet)
 
-            -- check if it was a disconnect
-            if not coord_comms.is_linked() then
+            -- handle then check if it was a disconnect
+            if coord_comms.handle_packet(packet) then
                 log_comms("supervisor closed connection")
 
-                -- close connection, UI, and stop sounder
+                -- close connection, main UI, and stop sounder
                 coord_comms.close()
                 renderer.close_ui()
                 sounder.stop()
-
-                if nic.connected() then
-                    -- try to re-connect to the supervisor
-                    if not init_connect_sv() then break end
-                    ui_ok = init_start_ui()
             end
-            end
-        elseif event == "monitor_touch" then
-            -- handle a monitor touch event
+        elseif event == "monitor_touch" or event == "mouse_click" or event == "mouse_up" or
+               event == "mouse_drag" or event == "mouse_scroll" then
+            -- handle a mouse event
             renderer.handle_mouse(core.events.new_mouse_event(event, param1, param2, param3))
         elseif event == "speaker_audio_empty" then
             -- handle speaker buffer emptied
@@ -374,10 +363,17 @@ local function main()
 
         -- check for termination request
         if event == "terminate" or ppm.should_terminate() then
-            println_ts("terminate requested, closing connections...")
+            -- handle supervisor connection
+            coord_comms.try_connect(true)
+
+            if coord_comms.is_linked() then
                 log_comms("terminate requested, closing supervisor connection...")
+            else link_failed = true end
+
             coord_comms.close()
             log_comms("supervisor connection closed")
+
+            -- handle API sessions
             log_comms("closing api sessions...")
             apisessions.close_all()
             log_comms("api sessions closed")
@@ -386,15 +382,20 @@ local function main()
     end
 
     renderer.close_ui()
+    renderer.close_fp()
     sounder.stop()
     log_sys("system shutdown")
 
+    if link_failed then println_ts("failed to connect to supervisor") end
+    if not ui_ok then println_ts("main UI creation failed") end
+
     println_ts("exited")
     log.info("exited")
 end
 
 if not xpcall(main, crash.handler) then
     pcall(renderer.close_ui)
+    pcall(renderer.close_fp)
     pcall(sounder.stop)
     crash.exit()
 else

coordinator/ui/components/pkt_entry.lua

@@ -0,0 +1,48 @@
+--
+-- Pocket Connection Entry
+--
+
+local iocontrol     = require("coordinator.iocontrol")
+
+local core          = require("graphics.core")
+
+local Div           = require("graphics.elements.div")
+local TextBox       = require("graphics.elements.textbox")
+
+local DataIndicator = require("graphics.elements.indicators.data")
+
+local TEXT_ALIGN = core.TEXT_ALIGN
+
+local cpair = core.cpair
+
+-- create a pocket list entry
+---@param parent graphics_element parent
+---@param id integer PKT session ID
+local function init(parent, id)
+    local ps = iocontrol.get_db().fp.ps
+
+    -- root div
+    local root = Div{parent=parent,x=2,y=2,height=4,width=parent.get_width()-2,hidden=true}
+    local entry = Div{parent=root,x=2,y=1,height=3,fg_bg=cpair(colors.black,colors.white)}
+
+    local ps_prefix = "pkt_" .. id .. "_"
+
+    TextBox{parent=entry,x=1,y=1,text="",width=8,height=1,fg_bg=cpair(colors.black,colors.lightGray)}
+    local pkt_addr = TextBox{parent=entry,x=1,y=2,text="@ C ??",alignment=TEXT_ALIGN.CENTER,width=8,height=1,fg_bg=cpair(colors.black,colors.lightGray),nav_active=cpair(colors.gray,colors.black)}
+    TextBox{parent=entry,x=1,y=3,text="",width=8,height=1,fg_bg=cpair(colors.black,colors.lightGray)}
+    pkt_addr.register(ps, ps_prefix .. "addr", pkt_addr.set_value)
+
+    TextBox{parent=entry,x=10,y=2,text="FW:",width=3,height=1}
+    local pkt_fw_v = TextBox{parent=entry,x=14,y=2,text=" ------- ",width=20,height=1,fg_bg=cpair(colors.lightGray,colors.white)}
+    pkt_fw_v.register(ps, ps_prefix .. "fw", pkt_fw_v.set_value)
+
+    TextBox{parent=entry,x=35,y=2,text="RTT:",width=4,height=1}
+    local pkt_rtt = DataIndicator{parent=entry,x=40,y=2,label="",unit="",format="%5d",value=0,width=5,fg_bg=cpair(colors.lightGray,colors.white)}
+    TextBox{parent=entry,x=46,y=2,text="ms",width=4,height=1,fg_bg=cpair(colors.lightGray,colors.white)}
+    pkt_rtt.register(ps, ps_prefix .. "rtt", pkt_rtt.update)
+    pkt_rtt.register(ps, ps_prefix .. "rtt_color", pkt_rtt.recolor)
+
+    return root
+end
+
+return init

coordinator/ui/components/process_ctl.lua

@@ -15,8 +15,10 @@ local TextBox           = require("graphics.elements.textbox")
 local DataIndicator     = require("graphics.elements.indicators.data")
 local IndicatorLight    = require("graphics.elements.indicators.light")
 local RadIndicator      = require("graphics.elements.indicators.rad")
+local StateIndicator    = require("graphics.elements.indicators.state")
 local TriIndicatorLight = require("graphics.elements.indicators.trilight")
 
+local Checkbox          = require("graphics.elements.controls.checkbox")
 local HazardButton      = require("graphics.elements.controls.hazard_button")
 local RadioButton       = require("graphics.elements.controls.radio_button")
 local SpinboxNumeric    = require("graphics.elements.controls.spinbox_numeric")
@@ -43,7 +45,7 @@ local function new_view(root, x, y)
     local lu_cpair   = cpair(colors.gray, colors.gray)
     local dis_colors = cpair(colors.white, colors.lightGray)
 
-    local main = Div{parent=root,width=104,height=24,x=x,y=y}
+    local main = Div{parent=root,width=128,height=24,x=x,y=y}
 
     local scram = HazardButton{parent=main,x=1,y=1,text="FAC SCRAM",accent=colors.yellow,dis_colors=dis_colors,callback=process.fac_scram,fg_bg=hzd_fg_bg}
     local ack_a = HazardButton{parent=main,x=16,y=1,text="ACK \x13",accent=colors.orange,dis_colors=dis_colors,callback=process.fac_ack_alarms,fg_bg=hzd_fg_bg}
@@ -52,12 +54,14 @@ local function new_view(root, x, y)
     facility.ack_alarms_ack = ack_a.on_response
 
     local all_ok  = IndicatorLight{parent=main,y=5,label="Unit Systems Online",colors=cpair(colors.green,colors.red)}
-    local ind_mat = IndicatorLight{parent=main,label="Induction Matrix",colors=cpair(colors.green,colors.gray)}
     local rad_mon = TriIndicatorLight{parent=main,label="Radiation Monitor",c1=colors.gray,c2=colors.yellow,c3=colors.green}
+    local ind_mat = IndicatorLight{parent=main,label="Induction Matrix",colors=cpair(colors.green,colors.gray)}
+    local sps     = IndicatorLight{parent=main,label="SPS Connected",colors=cpair(colors.green,colors.gray)}
 
     all_ok.register(facility.ps, "all_sys_ok", all_ok.update)
-    ind_mat.register(facility.induction_ps_tbl[1], "computed_status", function (status) ind_mat.update(status > 1) end)
     rad_mon.register(facility.ps, "rad_computed_status", rad_mon.update)
+    ind_mat.register(facility.induction_ps_tbl[1], "computed_status", function (status) ind_mat.update(status > 1) end)
+    sps.register(facility.sps_ps_tbl[1], "computed_status", function (status) sps.update(status > 1) end)
 
     main.line_break()
 
@@ -99,7 +103,7 @@ local function new_view(root, x, y)
     -- process control --
     ---------------------
 
-    local proc = Div{parent=main,width=78,height=24,x=27,y=1}
+    local proc = Div{parent=main,width=103,height=24,x=27,y=1}
 
     -----------------------------
     -- process control targets --
@@ -148,54 +152,85 @@ local function new_view(root, x, y)
 
     local rate_limits = {}
 
-    for i = 1, facility.num_units do
-        local unit = units[i]   ---@type ioctl_unit
+    for i = 1, 4 do
+        local unit
+        local tag_fg_bg = cpair(colors.gray,colors.white)
+        local lim_fg_bg = cpair(colors.lightGray,colors.white)
+        local ctl_fg    = colors.lightGray
+        local cur_fg_bg = cpair(colors.lightGray,colors.white)
+        local cur_lu    = colors.lightGray
+
+        if i <= facility.num_units then
+            unit = units[i]   ---@type ioctl_unit
+            tag_fg_bg = cpair(colors.black,colors.lightBlue)
+            lim_fg_bg = bw_fg_bg
+            ctl_fg    = colors.gray
+            cur_fg_bg = cpair(colors.black,colors.brown)
+            cur_lu    = colors.black
+        end
 
         local _y = ((i - 1) * 5) + 1
 
-        local unit_tag = Div{parent=limit_div,x=1,y=_y,width=8,height=4,fg_bg=cpair(colors.black,colors.lightBlue)}
+        local unit_tag = Div{parent=limit_div,x=1,y=_y,width=8,height=4,fg_bg=tag_fg_bg}
         TextBox{parent=unit_tag,x=2,y=2,text="Unit "..i.." Limit",width=7,height=2}
 
-        local lim_ctl = Div{parent=limit_div,x=9,y=_y,width=14,height=3,fg_bg=cpair(colors.gray,colors.white)}
-        rate_limits[i] = SpinboxNumeric{parent=lim_ctl,x=2,y=1,whole_num_precision=4,fractional_precision=1,min=0.1,arrow_fg_bg=cpair(colors.gray,colors.white),fg_bg=bw_fg_bg}
+        local lim_ctl = Div{parent=limit_div,x=9,y=_y,width=14,height=3,fg_bg=cpair(ctl_fg,colors.white)}
+        local lim = SpinboxNumeric{parent=lim_ctl,x=2,y=1,whole_num_precision=4,fractional_precision=1,min=0.1,arrow_fg_bg=cpair(colors.gray,colors.white),fg_bg=lim_fg_bg}
         TextBox{parent=lim_ctl,x=9,y=2,text="mB/t",width=4,height=1}
 
+        local cur_burn = DataIndicator{parent=limit_div,x=9,y=_y+3,label="",format="%7.1f",value=0,unit="mB/t",commas=false,lu_colors=cpair(cur_lu,cur_lu),width=14,fg_bg=cur_fg_bg}
+
+        if i <= facility.num_units then
+            rate_limits[i] = lim
             rate_limits[i].register(unit.unit_ps, "max_burn", rate_limits[i].set_max)
             rate_limits[i].register(unit.unit_ps, "burn_limit", rate_limits[i].set_value)
 
-        local cur_burn = DataIndicator{parent=limit_div,x=9,y=_y+3,label="",format="%7.1f",value=0,unit="mB/t",commas=false,lu_colors=cpair(colors.black,colors.black),width=14,fg_bg=cpair(colors.black,colors.brown)}
-
             cur_burn.register(unit.unit_ps, "act_burn_rate", cur_burn.update)
+        else
+            lim.disable()
+        end
     end
 
     -------------------
     -- unit statuses --
     -------------------
 
-    local stat_div = Div{parent=proc,width=38,height=19,x=57,y=6}
+    local stat_div = Div{parent=proc,width=22,height=24,x=57,y=6}
 
-    for i = 1, facility.num_units do
-        local unit = units[i]   ---@type ioctl_unit
+    for i = 1, 4 do
+        local tag_fg_bg = cpair(colors.gray,colors.white)
+        local ind_fg_bg = cpair(colors.lightGray,colors.white)
+        local ind_off = colors.lightGray
+
+        if i <= facility.num_units then
+            tag_fg_bg = cpair(colors.black,colors.cyan)
+            ind_fg_bg = bw_fg_bg
+            ind_off = colors.gray
+        end
 
         local _y = ((i - 1) * 5) + 1
 
-        local unit_tag = Div{parent=stat_div,x=1,y=_y,width=8,height=4,fg_bg=cpair(colors.black,colors.lightBlue)}
+        local unit_tag = Div{parent=stat_div,x=1,y=_y,width=8,height=4,fg_bg=tag_fg_bg}
         TextBox{parent=unit_tag,x=2,y=2,text="Unit "..i.." Status",width=7,height=2}
 
-        local lights   = Div{parent=stat_div,x=9,y=_y,width=12,height=4,fg_bg=bw_fg_bg}
-        local ready    = IndicatorLight{parent=lights,x=2,y=2,label="Ready",colors=cpair(colors.green,colors.gray)}
-        local degraded = IndicatorLight{parent=lights,x=2,y=3,label="Degraded",colors=cpair(colors.red,colors.gray),flash=true,period=period.BLINK_250_MS}
+        local lights   = Div{parent=stat_div,x=9,y=_y,width=14,height=4,fg_bg=ind_fg_bg}
+        local ready    = IndicatorLight{parent=lights,x=2,y=2,label="Ready",colors=cpair(colors.green,ind_off)}
+        local degraded = IndicatorLight{parent=lights,x=2,y=3,label="Degraded",colors=cpair(colors.red,ind_off),flash=true,period=period.BLINK_250_MS}
+
+        if i <= facility.num_units then
+            local unit = units[i]   ---@type ioctl_unit
 
             ready.register(unit.unit_ps, "U_AutoReady", ready.update)
             degraded.register(unit.unit_ps, "U_AutoDegraded", degraded.update)
         end
+    end
 
     -------------------------
     -- controls and status --
     -------------------------
 
     local ctl_opts = { "Monitored Max Burn", "Combined Burn Rate", "Charge Level", "Generation Rate" }
-    local mode = RadioButton{parent=proc,x=34,y=1,options=ctl_opts,callback=function()end,radio_colors=cpair(colors.purple,colors.black),radio_bg=colors.gray}
+    local mode = RadioButton{parent=proc,x=34,y=1,options=ctl_opts,callback=function()end,radio_colors=cpair(colors.white,colors.black),radio_bg=colors.purple}
 
     mode.register(facility.ps, "process_mode", mode.set_value)
 
@@ -261,6 +296,60 @@ local function new_view(root, x, y)
             for i = 1, #rate_limits do rate_limits[i].enable() end
         end
     end)
+
+    ------------------------------
+    -- waste production control --
+    ------------------------------
+
+    local waste_status = Div{parent=proc,width=24,height=4,x=57,y=1,}
+
+    for i = 1, facility.num_units do
+        local unit = units[i]   ---@type ioctl_unit
+
+        TextBox{parent=waste_status,y=i,text="U"..i.." Waste",width=8,height=1}
+        local a_waste = IndicatorLight{parent=waste_status,x=10,y=i,label="Auto",colors=cpair(colors.white,colors.gray)}
+        local waste_m = StateIndicator{parent=waste_status,x=17,y=i,states=style.waste.states_abbrv,value=1,min_width=6}
+
+        a_waste.register(unit.unit_ps, "U_AutoWaste", a_waste.update)
+        waste_m.register(unit.unit_ps, "U_WasteProduct", waste_m.update)
+    end
+
+    local waste_sel = Div{parent=proc,width=21,height=24,x=81,y=1}
+
+    TextBox{parent=waste_sel,text=" ",width=21,height=1,x=1,y=1,fg_bg=cpair(colors.black,colors.brown)}
+    TextBox{parent=waste_sel,text="WASTE PRODUCTION",alignment=TEXT_ALIGN.CENTER,width=21,height=1,x=1,y=2,fg_bg=cpair(colors.lightGray,colors.brown)}
+
+    local rect   = Rectangle{parent=waste_sel,border=border(1,colors.brown,true),width=21,height=22,x=1,y=3}
+    local status = StateIndicator{parent=rect,x=2,y=1,states=style.waste.states,value=1,min_width=17}
+
+    status.register(facility.ps, "current_waste_product", status.update)
+
+    local waste_prod = RadioButton{parent=rect,x=2,y=3,options=style.waste.options,callback=process.set_process_waste,radio_colors=cpair(colors.white,colors.black),radio_bg=colors.brown}
+    local pu_fallback = Checkbox{parent=rect,x=2,y=7,label="Pu Fallback",callback=process.set_pu_fallback,box_fg_bg=cpair(colors.green,colors.black)}
+
+    waste_prod.register(facility.ps, "process_waste_product", waste_prod.set_value)
+    pu_fallback.register(facility.ps, "process_pu_fallback", pu_fallback.set_value)
+
+    local fb_active  = IndicatorLight{parent=rect,x=2,y=9,label="Fallback Active",colors=cpair(colors.white,colors.gray)}
+
+    fb_active.register(facility.ps, "pu_fallback_active", fb_active.update)
+
+    TextBox{parent=rect,x=2,y=11,text="Plutonium Rate",height=1,width=17,fg_bg=style.label}
+    local pu_rate = DataIndicator{parent=rect,x=2,label="",unit="mB/t",format="%12.2f",value=0,lu_colors=lu_cpair,fg_bg=bw_fg_bg,width=17}
+
+    TextBox{parent=rect,x=2,y=14,text="Polonium Rate",height=1,width=17,fg_bg=style.label}
+    local po_rate = DataIndicator{parent=rect,x=2,label="",unit="mB/t",format="%12.2f",value=0,lu_colors=lu_cpair,fg_bg=bw_fg_bg,width=17}
+
+    TextBox{parent=rect,x=2,y=17,text="Antimatter Rate",height=1,width=17,fg_bg=style.label}
+    local am_rate = DataIndicator{parent=rect,x=2,label="",unit="\xb5B/t",format="%12.2f",value=0,lu_colors=lu_cpair,fg_bg=bw_fg_bg,width=17}
+
+    pu_rate.register(facility.ps, "pu_rate", pu_rate.update)
+    po_rate.register(facility.ps, "po_rate", po_rate.update)
+    am_rate.register(facility.ps, "am_rate", am_rate.update)
+
+    local sna_count = DataIndicator{parent=rect,x=2,y=20,label="Linked SNAs:",format="%4d",value=0,lu_colors=lu_cpair,width=17}
+
+    sna_count.register(facility.ps, "sna_count", sna_count.update)
 end
 
 return new_view

coordinator/ui/components/unit_detail.lua

@@ -33,41 +33,21 @@ local border = core.border
 
 local period = core.flasher.PERIOD
 
-local waste_opts = {
-    {
-        text = "Auto",
-        fg_bg = cpair(colors.black, colors.lightGray),
-        active_fg_bg = cpair(colors.white, colors.gray)
-    },
-    {
-        text = "Pu",
-        fg_bg = cpair(colors.black, colors.lightGray),
-        active_fg_bg = cpair(colors.black, colors.green)
-    },
-    {
-        text = "Po",
-        fg_bg = cpair(colors.black, colors.lightGray),
-        active_fg_bg = cpair(colors.black, colors.cyan)
-    },
-    {
-        text = "AM",
-        fg_bg = cpair(colors.black, colors.lightGray),
-        active_fg_bg = cpair(colors.black, colors.purple)
-    }
-}
-
 -- create a unit view
 ---@param parent graphics_element parent
 ---@param id integer
 local function init(parent, id)
     local unit = iocontrol.get_db().units[id]   ---@type ioctl_unit
     local f_ps = iocontrol.get_db().facility.ps
+
+    local main = Div{parent=parent,x=1,y=1}
+
+    if unit == nil then return main end
+
     local u_ps = unit.unit_ps
     local b_ps = unit.boiler_ps_tbl
     local t_ps = unit.turbine_ps_tbl
 
-    local main = Div{parent=parent,x=1,y=1}
-
     TextBox{parent=main,text="Reactor Unit #" .. id,alignment=TEXT_ALIGN.CENTER,height=1,fg_bg=style.header}
 
     local bw_fg_bg  = cpair(colors.black, colors.white)
@@ -398,7 +378,7 @@ local function init(parent, id)
     local waste_proc = Rectangle{parent=main,border=border(1,colors.brown,true),thin=true,width=33,height=3,x=46,y=49}
     local waste_div = Div{parent=waste_proc,x=2,y=1,width=31,height=1}
 
-    local waste_mode = MultiButton{parent=waste_div,x=1,y=1,options=waste_opts,callback=unit.set_waste,min_width=6}
+    local waste_mode = MultiButton{parent=waste_div,x=1,y=1,options=style.waste.unit_opts,callback=unit.set_waste,min_width=6}
 
     waste_mode.register(u_ps, "U_WasteMode", waste_mode.set_value)
 

coordinator/ui/layout/front_panel.lua

@@ -0,0 +1,121 @@
+--
+-- Coordinator Front Panel GUI
+--
+
+local types         = require("scada-common.types")
+local util          = require("scada-common.util")
+
+local iocontrol     = require("coordinator.iocontrol")
+
+local pgi           = require("coordinator.ui.pgi")
+local style         = require("coordinator.ui.style")
+
+local pkt_entry     = require("coordinator.ui.components.pkt_entry")
+
+local core          = require("graphics.core")
+
+local Div           = require("graphics.elements.div")
+local ListBox       = require("graphics.elements.listbox")
+local MultiPane     = require("graphics.elements.multipane")
+local TextBox       = require("graphics.elements.textbox")
+
+local TabBar        = require("graphics.elements.controls.tabbar")
+
+local LED           = require("graphics.elements.indicators.led")
+local RGBLED        = require("graphics.elements.indicators.ledrgb")
+
+local TEXT_ALIGN = core.TEXT_ALIGN
+
+local cpair = core.cpair
+
+-- create new front panel view
+---@param panel graphics_element main displaybox
+---@param num_units integer number of units (number of unit monitors)
+local function init(panel, num_units)
+    local ps = iocontrol.get_db().fp.ps
+
+    TextBox{parent=panel,y=1,text="SCADA COORDINATOR",alignment=TEXT_ALIGN.CENTER,height=1,fg_bg=style.fp.header}
+
+    local page_div = Div{parent=panel,x=1,y=3}
+
+    --
+    -- system indicators
+    --
+
+    local main_page = Div{parent=page_div,x=1,y=1}
+
+    local system = Div{parent=main_page,width=14,height=17,x=2,y=2}
+
+    local status = LED{parent=system,label="STATUS",colors=cpair(colors.green,colors.red)}
+    local heartbeat = LED{parent=system,label="HEARTBEAT",colors=cpair(colors.green,colors.green_off)}
+    status.update(true)
+    system.line_break()
+
+    heartbeat.register(ps, "heartbeat", heartbeat.update)
+
+    local modem = LED{parent=system,label="MODEM",colors=cpair(colors.green,colors.green_off)}
+    local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,colors.gray}}
+    network.update(types.PANEL_LINK_STATE.DISCONNECTED)
+    system.line_break()
+
+    modem.register(ps, "has_modem", modem.update)
+    network.register(ps, "link_state", network.update)
+
+    local speaker = LED{parent=system,label="SPEAKER",colors=cpair(colors.green,colors.green_off)}
+    speaker.register(ps, "has_speaker", speaker.update)
+
+---@diagnostic disable-next-line: undefined-field
+    local comp_id = util.sprintf("(%d)", os.getComputerID())
+    TextBox{parent=system,x=9,y=4,width=6,height=1,text=comp_id,fg_bg=cpair(colors.lightGray,colors.ivory)}
+
+    local monitors = Div{parent=main_page,width=16,height=17,x=18,y=2}
+
+    local main_monitor = LED{parent=monitors,label="MAIN MONITOR",colors=cpair(colors.green,colors.green_off)}
+    main_monitor.register(ps, "main_monitor", main_monitor.update)
+
+    monitors.line_break()
+
+    for i = 1, num_units do
+        local unit_monitor = LED{parent=monitors,label="UNIT "..i.." MONITOR",colors=cpair(colors.green,colors.green_off)}
+        unit_monitor.register(ps, "unit_monitor_" .. i, unit_monitor.update)
+    end
+
+    --
+    -- about footer
+    --
+
+    local about   = Div{parent=main_page,width=15,height=3,x=1,y=16,fg_bg=cpair(colors.lightGray,colors.ivory)}
+    local fw_v    = TextBox{parent=about,x=1,y=1,text="FW: v00.00.00",alignment=TEXT_ALIGN.LEFT,height=1}
+    local comms_v = TextBox{parent=about,x=1,y=2,text="NT: v00.00.00",alignment=TEXT_ALIGN.LEFT,height=1}
+
+    fw_v.register(ps, "version", function (version) fw_v.set_value(util.c("FW: ", version)) end)
+    comms_v.register(ps, "comms_version", function (version) comms_v.set_value(util.c("NT: v", version)) end)
+
+    --
+    -- page handling
+    --
+
+    -- API page
+
+    local api_page = Div{parent=page_div,x=1,y=1,hidden=true}
+    local api_list = ListBox{parent=api_page,x=1,y=1,height=17,width=51,scroll_height=1000,fg_bg=cpair(colors.black,colors.ivory),nav_fg_bg=cpair(colors.gray,colors.lightGray),nav_active=cpair(colors.black,colors.gray)}
+    local _ = Div{parent=api_list,height=1,hidden=true} -- padding
+
+    -- assemble page panes
+
+    local panes = { main_page, api_page }
+
+    local page_pane = MultiPane{parent=page_div,x=1,y=1,panes=panes}
+
+    local tabs = {
+        { name = "CRD", color = cpair(colors.black, colors.ivory) },
+        { name = "API", color = cpair(colors.black, colors.ivory) },
+    }
+
+    TabBar{parent=panel,y=2,tabs=tabs,min_width=9,callback=page_pane.set_value,fg_bg=cpair(colors.black,colors.white)}
+
+    -- link pocket API list management to PGI
+    pgi.link_elements(api_list, pkt_entry)
+end
+
+return init

coordinator/ui/layout/main_view.lua

@@ -9,7 +9,7 @@ local iocontrol     = require("coordinator.iocontrol")
 local style         = require("coordinator.ui.style")
 
 local imatrix       = require("coordinator.ui.components.imatrix")
-local process_ctl   = require("coordinator.ui.components.processctl")
+local process_ctl   = require("coordinator.ui.components.process_ctl")
 local unit_overview = require("coordinator.ui.components.unit_overview")
 
 local core          = require("graphics.core")

coordinator/ui/pgi.lua

@@ -0,0 +1,58 @@
+--
+-- Protected Graphics Interface
+--
+
+local log  = require("scada-common.log")
+local util = require("scada-common.util")
+
+local pgi = {}
+
+local data = {
+    pkt_list = nil,     ---@type nil|graphics_element
+    pkt_entry = nil,    ---@type function
+    -- session entries
+    s_entries = { pkt = {} }
+}
+
+-- link list boxes
+---@param pkt_list graphics_element pocket list element
+---@param pkt_entry function pocket entry constructor
+function pgi.link_elements(pkt_list, pkt_entry)
+    data.pkt_list = pkt_list
+    data.pkt_entry = pkt_entry
+end
+
+-- unlink all fields, disabling the PGI
+function pgi.unlink()
+    data.pkt_list = nil
+    data.pkt_entry = nil
+end
+
+-- add a PKT entry to the PKT list
+---@param session_id integer pocket session
+function pgi.create_pkt_entry(session_id)
+    if data.pkt_list ~= nil and data.pkt_entry ~= nil then
+        local success, result = pcall(data.pkt_entry, data.pkt_list, session_id)
+
+        if success then
+            data.s_entries.pkt[session_id] = result
+        else
+            log.error(util.c("PGI: failed to create PKT entry (", result, ")"), true)
+        end
+    end
+end
+
+-- delete a PKT entry from the PKT list
+---@param session_id integer pocket session
+function pgi.delete_pkt_entry(session_id)
+    if data.s_entries.pkt[session_id] ~= nil then
+        local success, result = pcall(data.s_entries.pkt[session_id].delete)
+        data.s_entries.pkt[session_id] = nil
+
+        if not success then
+            log.error(util.c("PGI: failed to delete PKT entry (", result, ")"), true)
+        end
+    end
+end
+
+return pgi

coordinator/ui/style.lua

@@ -10,6 +10,41 @@ local cpair = core.cpair
 
 -- GLOBAL --
 
+-- add color mappings for front panel
+colors.ivory = colors.pink
+colors.yellow_hc = colors.purple
+colors.red_off = colors.brown
+colors.yellow_off = colors.magenta
+colors.green_off = colors.lime
+
+-- front panel styling
+
+style.fp = {}
+
+style.fp.root = cpair(colors.black, colors.ivory)
+style.fp.header = cpair(colors.black, colors.lightGray)
+
+style.fp.colors = {
+    { c = colors.red,       hex = 0xdf4949 },   -- RED ON
+    { c = colors.orange,    hex = 0xffb659 },
+    { c = colors.yellow,    hex = 0xf9fb53 },   -- YELLOW ON
+    { c = colors.lime,      hex = 0x16665a },   -- GREEN OFF
+    { c = colors.green,     hex = 0x6be551 },   -- GREEN ON
+    { c = colors.cyan,      hex = 0x34bac8 },
+    { c = colors.lightBlue, hex = 0x6cc0f2 },
+    { c = colors.blue,      hex = 0x0096ff },
+    { c = colors.purple,    hex = 0xb156ee },   -- YELLOW HIGH CONTRAST
+    { c = colors.pink,      hex = 0xdcd9ca },   -- IVORY
+    { c = colors.magenta,   hex = 0x85862c },   -- YELLOW OFF
+    -- { c = colors.white,     hex = 0xdcd9ca },
+    { c = colors.lightGray, hex = 0xb1b8b3 },
+    { c = colors.gray,      hex = 0x575757 },
+    -- { c = colors.black,     hex = 0x191919 },
+    { c = colors.brown,     hex = 0x672223 }    -- RED OFF
+}
+
+-- main GUI styling
+
 style.root = cpair(colors.black, colors.lightGray)
 style.header = cpair(colors.white, colors.gray)
 style.label = cpair(colors.gray, colors.lightGray)
@@ -151,7 +186,90 @@ style.imatrix = {
         {
             color = cpair(colors.black, colors.yellow),
             text = "HIGH  CHARGE"
+        }
+    }
+}
+
+style.sps = {
+    -- SPS states
+    states = {
+        {
+            color = cpair(colors.black, colors.yellow),
+            text = "OFF-LINE"
         },
+        {
+            color = cpair(colors.black, colors.orange),
+            text = "NOT FORMED"
+        },
+        {
+            color = cpair(colors.black, colors.orange),
+            text = "RTU  FAULT"
+        },
+        {
+            color = cpair(colors.black, colors.gray),
+            text = "IDLE"
+        },
+        {
+            color = cpair(colors.black, colors.green),
+            text = "ACTIVE"
+        }
+    }
+}
+
+style.waste = {
+    -- auto waste processing states
+    states = {
+        {
+            color = cpair(colors.black, colors.green),
+            text = "PLUTONIUM"
+        },
+        {
+            color = cpair(colors.black, colors.cyan),
+            text = "POLONIUM"
+        },
+        {
+            color = cpair(colors.black, colors.purple),
+            text = "ANTI MATTER"
+        }
+    },
+    states_abbrv = {
+        {
+            color = cpair(colors.black, colors.green),
+            text = "Pu"
+        },
+        {
+            color = cpair(colors.black, colors.cyan),
+            text = "Po"
+        },
+        {
+            color = cpair(colors.black, colors.purple),
+            text = "AM"
+        }
+    },
+    -- process radio button options
+    options = { "Plutonium", "Polonium", "Antimatter" },
+    -- unit waste selection
+    unit_opts = {
+        {
+            text = "Auto",
+            fg_bg = cpair(colors.black, colors.lightGray),
+            active_fg_bg = cpair(colors.white, colors.gray)
+        },
+        {
+            text = "Pu",
+            fg_bg = cpair(colors.black, colors.lightGray),
+            active_fg_bg = cpair(colors.black, colors.green)
+        },
+        {
+            text = "Po",
+            fg_bg = cpair(colors.black, colors.lightGray),
+            active_fg_bg = cpair(colors.black, colors.cyan)
+        },
+        {
+            text = "AM",
+            fg_bg = cpair(colors.black, colors.lightGray),
+            active_fg_bg = cpair(colors.black, colors.purple)
+        }
     }
 }
 

graphics/core.lua

@@ -7,7 +7,7 @@ local flasher = require("graphics.flasher")
 
 local core = {}
 
-core.version = "1.0.0"
+core.version = "1.0.1"
 
 core.flasher = flasher
 core.events = events

graphics/element.lua

@@ -20,6 +20,7 @@ local element = {}
 
 ---@alias graphics_args graphics_args_generic
 ---|waiting_args
+---|checkbox_args
 ---|hazard_button_args
 ---|multi_button_args
 ---|push_button_args

graphics/elements/animations/waiting.lua

@@ -8,7 +8,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/colormap.lua

@@ -8,7 +8,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field hidden? boolean true to hide on initial draw
 
 -- new color map

graphics/elements/controls/checkbox.lua

@@ -0,0 +1,85 @@
+-- Checkbox Graphics Element
+
+local core    = require("graphics.core")
+local element = require("graphics.element")
+
+---@class checkbox_args
+---@field label string checkbox text
+---@field box_fg_bg cpair colors for checkbox
+---@field callback function function to call on press
+---@field parent graphics_element
+---@field id? string element id
+---@field x? integer 1 if omitted
+---@field y? integer auto incremented if omitted
+---@field fg_bg? cpair foreground/background colors
+---@field hidden? boolean true to hide on initial draw
+
+-- new checkbox control
+---@param args checkbox_args
+---@return graphics_element element, element_id id
+local function checkbox(args)
+    assert(type(args.label) == "string", "graphics.elements.controls.checkbox: label is a required field")
+    assert(type(args.box_fg_bg) == "table", "graphics.elements.controls.checkbox: box_fg_bg is a required field")
+    assert(type(args.callback) == "function", "graphics.elements.controls.checkbox: callback is a required field")
+
+    args.height = 1
+    args.width = 3 + string.len(args.label)
+
+    -- create new graphics element base object
+    local e = element.new(args)
+
+    e.value = false
+
+    -- show the button state
+    local function draw()
+        e.window.setCursorPos(1, 1)
+
+        if e.value then
+            -- show as selected
+            e.window.setTextColor(args.box_fg_bg.bkg)
+            e.window.setBackgroundColor(args.box_fg_bg.fgd)
+            e.window.write("\x88")
+            e.window.setTextColor(args.box_fg_bg.fgd)
+            e.window.setBackgroundColor(e.fg_bg.bkg)
+            e.window.write("\x95")
+        else
+            -- show as unselected
+            e.window.setTextColor(e.fg_bg.bkg)
+            e.window.setBackgroundColor(args.box_fg_bg.bkg)
+            e.window.write("\x88")
+            e.window.setTextColor(args.box_fg_bg.bkg)
+            e.window.setBackgroundColor(e.fg_bg.bkg)
+            e.window.write("\x95")
+        end
+    end
+
+    -- handle mouse interaction
+    ---@param event mouse_interaction mouse event
+    function e.handle_mouse(event)
+        if e.enabled and core.events.was_clicked(event.type) then
+            e.value = not e.value
+            draw()
+            args.callback(e.value)
+        end
+    end
+
+    -- set the value
+    ---@param val integer new value
+    function e.set_value(val)
+        e.value = val
+        draw()
+    end
+
+    -- write label text
+    e.window.setCursorPos(3, 1)
+    e.window.setTextColor(e.fg_bg.fgd)
+    e.window.setBackgroundColor(e.fg_bg.bkg)
+    e.window.write(args.label)
+
+    -- initial draw
+    draw()
+
+    return e.complete()
+end
+
+return checkbox

graphics/elements/controls/hazard_button.lua

@@ -14,7 +14,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/controls/multi_button.lua

@@ -20,7 +20,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field height? integer parent height if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw

graphics/elements/controls/push_button.lua

@@ -16,7 +16,7 @@ local CLICK_TYPE = core.events.CLICK_TYPE
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field height? integer parent height if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw

graphics/elements/controls/radio_button.lua

@@ -13,7 +13,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/controls/sidebar.lua

@@ -17,7 +17,7 @@ local CLICK_TYPE = core.events.CLICK_TYPE
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field height? integer parent height if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw

graphics/elements/controls/spinbox_numeric.lua

@@ -16,7 +16,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/controls/switch_button.lua

@@ -12,7 +12,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field height? integer parent height if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw

graphics/elements/controls/tabbar.lua

@@ -18,7 +18,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width? integer parent width if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw

graphics/elements/div.lua

@@ -6,7 +6,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width? integer parent width if omitted
 ---@field height? integer parent height if omitted
 ---@field gframe? graphics_frame frame instead of x/y/width/height

graphics/elements/indicators/alight.lua

@@ -16,7 +16,7 @@ local flasher = require("graphics.flasher")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/indicators/coremap.lua

@@ -11,7 +11,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 
 -- new core map box
 ---@nodiscard

graphics/elements/indicators/data.lua

@@ -14,7 +14,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width integer length
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw

graphics/elements/indicators/hbar.lua

@@ -10,7 +10,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width? integer parent width if omitted
 ---@field height? integer parent height if omitted
 ---@field gframe? graphics_frame frame instead of x/y/width/height

graphics/elements/indicators/icon.lua

@@ -16,7 +16,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/indicators/led.lua

@@ -14,7 +14,7 @@ local flasher = require("graphics.flasher")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/indicators/ledpair.lua

@@ -16,7 +16,7 @@ local flasher = require("graphics.flasher")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/indicators/ledrgb.lua

@@ -9,7 +9,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/indicators/light.lua

@@ -14,7 +14,7 @@ local flasher = require("graphics.flasher")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/indicators/power.lua

@@ -13,7 +13,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width integer length
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw

graphics/elements/indicators/rad.lua

@@ -14,7 +14,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width integer length
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw

graphics/elements/indicators/state.lua

@@ -15,7 +15,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field height? integer 1 if omitted, must be an odd number
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw

graphics/elements/indicators/trilight.lua

@@ -16,7 +16,7 @@ local flasher = require("graphics.flasher")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field fg_bg? cpair foreground/background colors
 ---@field hidden? boolean true to hide on initial draw
 

graphics/elements/indicators/vbar.lua

@@ -8,7 +8,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width? integer parent width if omitted
 ---@field height? integer parent height if omitted
 ---@field gframe? graphics_frame frame instead of x/y/width/height

graphics/elements/listbox.lua

@@ -15,7 +15,7 @@ local CLICK_TYPE = core.events.CLICK_TYPE
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width? integer parent width if omitted
 ---@field height? integer parent height if omitted
 ---@field gframe? graphics_frame frame instead of x/y/width/height

graphics/elements/multipane.lua

@@ -7,7 +7,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width? integer parent width if omitted
 ---@field height? integer parent height if omitted
 ---@field gframe? graphics_frame frame instead of x/y/width/height

graphics/elements/pipenet.lua

@@ -11,7 +11,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field hidden? boolean true to hide on initial draw
 
 -- new pipe network

graphics/elements/rectangle.lua

@@ -11,7 +11,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width? integer parent width if omitted
 ---@field height? integer parent height if omitted
 ---@field gframe? graphics_frame frame instead of x/y/width/height

graphics/elements/textbox.lua

@@ -13,7 +13,7 @@ local TEXT_ALIGN = core.TEXT_ALIGN
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width? integer parent width if omitted
 ---@field height? integer parent height if omitted
 ---@field gframe? graphics_frame frame instead of x/y/width/height

graphics/elements/tiling.lua

@@ -11,7 +11,7 @@ local element = require("graphics.element")
 ---@field parent graphics_element
 ---@field id? string element id
 ---@field x? integer 1 if omitted
----@field y? integer 1 if omitted
+---@field y? integer auto incremented if omitted
 ---@field width? integer parent width if omitted
 ---@field height? integer parent height if omitted
 ---@field gframe? graphics_frame frame instead of x/y/width/height

graphics/flasher.lua

@@ -43,9 +43,11 @@ end
 
 -- start/resume the flasher periodic
 function flasher.run()
+    if not active then
         active = true
         callback_250ms()
     end
+end
 
 -- clear all blinking indicators and stop the flasher periodic
 function flasher.clear()

pocket/startup.lua

@@ -18,7 +18,7 @@ local coreio   = require("pocket.coreio")
 local pocket   = require("pocket.pocket")
 local renderer = require("pocket.renderer")
 
-local POCKET_VERSION = "alpha-v0.5.1"
+local POCKET_VERSION = "alpha-v0.5.2"
 
 local println = util.println
 local println_ts = util.println_ts
@@ -112,7 +112,7 @@ local function main()
     if not ui_ok then
         renderer.close_ui()
         println(util.c("UI error: ", message))
-        log.error(util.c("startup> GUI crashed with error ", message))
+        log.error(util.c("startup> GUI render failed with error ", message))
     else
         -- start clock
         loop_clock.start()

reactor-plc/panel/front_panel.lua

@@ -1,5 +1,5 @@
 --
--- Main SCADA Coordinator GUI
+-- Reactor PLC Front Panel GUI
 --
 
 local types      = require("scada-common.types")
@@ -28,7 +28,7 @@ local TEXT_ALIGN = core.TEXT_ALIGN
 local cpair = core.cpair
 local border = core.border
 
--- create new main view
+-- create new front panel view
 ---@param panel graphics_element main displaybox
 local function init(panel)
     local header = TextBox{parent=panel,y=1,text="REACTOR PLC - UNIT ?",alignment=TEXT_ALIGN.CENTER,height=1,fg_bg=style.header}

reactor-plc/panel/style.lua

@@ -12,6 +12,7 @@ local cpair = core.cpair
 
 -- remap global colors
 colors.ivory = colors.pink
+colors.yellow_hc = colors.purple
 colors.red_off = colors.brown
 colors.yellow_off = colors.magenta
 colors.green_off = colors.lime
@@ -28,7 +29,7 @@ style.colors = {
     { c = colors.cyan,      hex = 0x34bac8 },
     { c = colors.lightBlue, hex = 0x6cc0f2 },
     { c = colors.blue,      hex = 0x0096ff },
-    { c = colors.purple,    hex = 0xb156ee },
+    { c = colors.purple,    hex = 0xb156ee },   -- YELLOW HIGH CONTRAST
     { c = colors.pink,      hex = 0xdcd9ca },   -- IVORY
     { c = colors.magenta,   hex = 0x85862c },   -- YELLOW OFF
     -- { c = colors.white,     hex = 0xdcd9ca },

reactor-plc/plc.lua

@@ -929,47 +929,7 @@ function plc.comms(id, version, nic, plc_channel, svr_channel, range, reactor, r
                 ---@cast packet mgmt_frame
                 -- if linked, only accept packets from configured supervisor
                 if self.linked then
-                    if packet.type == SCADA_MGMT_TYPE.ESTABLISH then
-                        -- link request confirmation
-                        if packet.length == 1 then
-                            log.debug("received unsolicited establish response")
-
-                            local est_ack = packet.data[1]
-
-                            if est_ack == ESTABLISH_ACK.ALLOW then
-                                self.status_cache = nil
-                                _send_struct()
-                                public.send_status(plc_state.no_reactor, plc_state.reactor_formed)
-                                log.debug("re-sent initial status data due to re-establish")
-                            else
-                                if est_ack == ESTABLISH_ACK.DENY then
-                                    println_ts("received unsolicited link denial, unlinking")
-                                    log.warning("unsolicited establish request denied")
-                                elseif est_ack == ESTABLISH_ACK.COLLISION then
-                                    println_ts("received unsolicited link collision, unlinking")
-                                    log.warning("unsolicited establish request collision")
-                                elseif est_ack == ESTABLISH_ACK.BAD_VERSION then
-                                    println_ts("received unsolicited link version mismatch, unlinking")
-                                    log.warning("unsolicited establish request version mismatch")
-                                else
-                                    println_ts("invalid unsolicited link response")
-                                    log.debug("unsolicited unknown establish request response")
-                                end
-
-                                -- unlink
-                                self.sv_addr = comms.BROADCAST
-                                self.linked = false
-                            end
-
-                            -- clear this since this is for something that was unsolicited
-                            self.last_est_ack = ESTABLISH_ACK.ALLOW
-
-                            -- report link state
-                            databus.tx_link_state(est_ack + 1)
-                        else
-                            log.debug("SCADA_MGMT establish packet length mismatch")
-                        end
-                    elseif packet.type == SCADA_MGMT_TYPE.KEEP_ALIVE then
+                    if packet.type == SCADA_MGMT_TYPE.KEEP_ALIVE then
                         -- keep alive request received, echo back
                         if packet.length == 1 and type(packet.data[1]) == "number" then
                             local timestamp = packet.data[1]

reactor-plc/startup.lua

@@ -19,7 +19,7 @@ local plc      = require("reactor-plc.plc")
 local renderer = require("reactor-plc.renderer")
 local threads  = require("reactor-plc.threads")
 
-local R_PLC_VERSION = "v1.5.0"
+local R_PLC_VERSION = "v1.5.5"
 
 local println = util.println
 local println_ts = util.println_ts
@@ -190,7 +190,7 @@ local function main()
                 renderer.close_ui()
                 println_ts(util.c("UI error: ", message))
                 println("init> running without front panel")
-                log.error(util.c("GUI crashed with error ", message))
+                log.error(util.c("front panel GUI render failed with error ", message))
                 log.info("init> running in headless mode without front panel")
             end
         end

reactor-plc/threads.lua

@@ -77,7 +77,7 @@ function threads.thread__main(smem, init)
                     loop_clock.start()
 
                     -- send updated data
-                    if nic.connected() then
+                    if nic.is_connected() then
                         if plc_comms.is_linked() then
                             smem.q.mq_comms_tx.push_command(MQ__COMM_CMD.SEND_STATUS)
                         else
@@ -116,7 +116,7 @@ function threads.thread__main(smem, init)
                             smem.q.mq_rps.push_command(MQ__RPS_CMD.SCRAM)
 
                             -- determine if we are still in a degraded state
-                            if (not networked) or nic.connected() then
+                            if (not networked) or nic.is_connected() then
                                 plc_state.degraded = false
                             end
 
@@ -146,7 +146,7 @@ function threads.thread__main(smem, init)
 
                 -- update indicators
                 databus.tx_hw_status(plc_state)
-            elseif event == "modem_message" and networked and plc_state.init_ok and nic.connected() then
+            elseif event == "modem_message" and networked and plc_state.init_ok and nic.is_connected() then
                 -- got a packet
                 local packet = plc_comms.parse_packet(param1, param2, param3, param4, param5)
                 if packet ~= nil then
@@ -177,16 +177,21 @@ function threads.thread__main(smem, init)
                             nic.disconnect()
 
                             println_ts("comms modem disconnected!")
-                            log.error("comms modem disconnected")
+                            log.warning("comms modem disconnected")
 
+                            local other_modem = ppm.get_wireless_modem()
+                            if other_modem then
+                                log.info("found another wireless modem, using it for comms")
+                                nic.connect(other_modem)
+                            else
                                 plc_state.no_modem = true
+                                plc_state.degraded = true
 
                                 if plc_state.init_ok then
                                     -- try to scram reactor if it is still connected
                                     smem.q.mq_rps.push_command(MQ__RPS_CMD.DEGRADED_SCRAM)
                                 end
-
-                            plc_state.degraded = true
+                            end
                         else
                             log.warning("non-comms modem disconnected")
                         end
@@ -230,7 +235,7 @@ function threads.thread__main(smem, init)
                             rps.reset()
                         end
                     elseif networked and type == "modem" then
-                        if device.isWireless() then
+                        if device.isWireless() and not nic.is_connected() then
                             -- reconnected modem
                             plc_dev.modem = device
                             plc_state.no_modem = false
@@ -244,6 +249,8 @@ function threads.thread__main(smem, init)
                             if not plc_state.no_reactor then
                                 plc_state.degraded = false
                             end
+                        elseif device.isWireless() then
+                            log.info("unused wireless modem reconnected")
                         else
                             log.info("wired modem reconnected")
                         end

rtu/dev/boilerv_rtu.lua

@@ -2,7 +2,7 @@ local rtu = require("rtu.rtu")
 
 local boilerv_rtu = {}
 
--- create new boiler (mek 10.1+) device
+-- create new boiler device
 ---@nodiscard
 ---@param boiler table
 ---@return rtu_device interface, boolean faulted

rtu/dev/dynamicv_rtu.lua

@@ -0,0 +1,48 @@
+local rtu = require("rtu.rtu")
+
+local dynamicv_rtu = {}
+
+-- create new dynamic tank device
+---@nodiscard
+---@param dynamic_tank table
+---@return rtu_device interface, boolean faulted
+function dynamicv_rtu.new(dynamic_tank)
+    local unit = rtu.init_unit()
+
+    -- disable auto fault clearing
+    dynamic_tank.__p_clear_fault()
+    dynamic_tank.__p_disable_afc()
+
+    -- discrete inputs --
+    unit.connect_di(dynamic_tank.isFormed)
+
+    -- coils --
+    unit.connect_coil(function () dynamic_tank.incrementContainerEditMode() end, function () end)
+    unit.connect_coil(function () dynamic_tank.decrementContainerEditMode() end, function () end)
+
+    -- input registers --
+    -- multiblock properties
+    unit.connect_input_reg(dynamic_tank.getLength)
+    unit.connect_input_reg(dynamic_tank.getWidth)
+    unit.connect_input_reg(dynamic_tank.getHeight)
+    unit.connect_input_reg(dynamic_tank.getMinPos)
+    unit.connect_input_reg(dynamic_tank.getMaxPos)
+    -- build properties
+    unit.connect_input_reg(dynamic_tank.getTankCapacity)
+    unit.connect_input_reg(dynamic_tank.getChemicalTankCapacity)
+    -- tanks/containers
+    unit.connect_input_reg(dynamic_tank.getStored)
+    unit.connect_input_reg(dynamic_tank.getFilledPercentage)
+
+    -- holding registers --
+    unit.connect_holding_reg(dynamic_tank.getContainerEditMode, dynamic_tank.setContainerEditMode)
+
+    -- check if any calls faulted
+    local faulted = dynamic_tank.__p_is_faulted()
+    dynamic_tank.__p_clear_fault()
+    dynamic_tank.__p_enable_afc()
+
+    return unit.interface(), faulted
+end
+
+return dynamicv_rtu

rtu/dev/turbinev_rtu.lua

@@ -2,7 +2,7 @@ local rtu = require("rtu.rtu")
 
 local turbinev_rtu = {}
 
--- create new turbine (mek 10.1+) device
+-- create new turbine device
 ---@nodiscard
 ---@param turbine table
 ---@return rtu_device interface, boolean faulted

rtu/panel/front_panel.lua

@@ -1,5 +1,5 @@
 --
--- Main SCADA Coordinator GUI
+-- RTU Front Panel GUI
 --
 
 local types      = require("scada-common.types")
@@ -26,6 +26,7 @@ local UNIT_TYPE_LABELS = {
     "REDSTONE",
     "BOILER",
     "TURBINE",
+    "DYNAMIC TANK",
     "IND MATRIX",
     "SPS",
     "SNA",
@@ -33,7 +34,7 @@ local UNIT_TYPE_LABELS = {
 }
 
 
--- create new main view
+-- create new front panel view
 ---@param panel graphics_element main displaybox
 ---@param units table unit list
 local function init(panel, units)

rtu/panel/style.lua

@@ -12,6 +12,7 @@ local cpair = core.cpair
 
 -- remap global colors
 colors.ivory = colors.pink
+colors.yellow_hc = colors.purple
 colors.red_off = colors.brown
 colors.yellow_off = colors.magenta
 colors.green_off = colors.lime
@@ -28,7 +29,7 @@ style.colors = {
     { c = colors.cyan,      hex = 0x34bac8 },
     { c = colors.lightBlue, hex = 0x6cc0f2 },
     { c = colors.blue,      hex = 0x0096ff },
-    { c = colors.purple,    hex = 0xb156ee },
+    { c = colors.purple,    hex = 0xb156ee },   -- YELLOW HIGH CONTRAST
     { c = colors.pink,      hex = 0xdcd9ca },   -- IVORY
     { c = colors.magenta,   hex = 0x85862c },   -- YELLOW OFF
     -- { c = colors.white,     hex = 0xdcd9ca },

rtu/startup.lua

@@ -22,6 +22,7 @@ local rtu          = require("rtu.rtu")
 local threads      = require("rtu.threads")
 
 local boilerv_rtu  = require("rtu.dev.boilerv_rtu")
+local dynamicv_rtu = require("rtu.dev.dynamicv_rtu")
 local envd_rtu     = require("rtu.dev.envd_rtu")
 local imatrix_rtu  = require("rtu.dev.imatrix_rtu")
 local redstone_rtu = require("rtu.dev.redstone_rtu")
@@ -29,7 +30,7 @@ local sna_rtu      = require("rtu.dev.sna_rtu")
 local sps_rtu      = require("rtu.dev.sps_rtu")
 local turbinev_rtu = require("rtu.dev.turbinev_rtu")
 
-local RTU_VERSION = "v1.4.0"
+local RTU_VERSION = "v1.5.4"
 
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 local RTU_UNIT_HW_STATE = databus.RTU_UNIT_HW_STATE
@@ -342,6 +343,18 @@ local function main()
                     log.fatal(util.c("configure> failed to check if  '", name, "' is a formed turbine multiblock"))
                     return false
                 end
+            elseif type == "dynamicValve" then
+                -- dynamic tank multiblock
+                rtu_type = RTU_UNIT_TYPE.DYNAMIC_VALVE
+                rtu_iface, faulted = dynamicv_rtu.new(device)
+                is_multiblock = true
+                formed = device.isFormed()
+
+                if formed == ppm.UNDEFINED_FIELD or formed == ppm.ACCESS_FAULT then
+                    println_ts(util.c("configure> failed to check if  '", name, "' is formed"))
+                    log.fatal(util.c("configure> failed to check if  '", name, "' is a formed dynamic tank multiblock"))
+                    return false
+                end
             elseif type == "inductionPort" then
                 -- induction matrix multiblock
                 rtu_type = RTU_UNIT_TYPE.IMATRIX
@@ -464,7 +477,7 @@ local function main()
             renderer.close_ui()
             println_ts(util.c("UI error: ", message))
             println("startup> running without front panel")
-            log.error(util.c("GUI crashed with error ", message))
+            log.error(util.c("front panel GUI render failed with error ", message))
             log.info("startup> running in headless mode without front panel")
         end
 

rtu/threads.lua

@@ -10,6 +10,7 @@ local modbus       = require("rtu.modbus")
 local renderer     = require("rtu.renderer")
 
 local boilerv_rtu  = require("rtu.dev.boilerv_rtu")
+local dynamicv_rtu = require("rtu.dev.dynamicv_rtu")
 local envd_rtu     = require("rtu.dev.envd_rtu")
 local imatrix_rtu  = require("rtu.dev.imatrix_rtu")
 local sna_rtu      = require("rtu.dev.sna_rtu")
@@ -97,9 +98,15 @@ function threads.thread__main(smem)
                             nic.disconnect()
 
                             println_ts("wireless modem disconnected!")
-                            log.warning("comms modem disconnected!")
+                            log.warning("comms modem disconnected")
 
+                            local other_modem = ppm.get_wireless_modem()
+                            if other_modem then
+                                log.info("found another wireless modem, using it for comms")
+                                nic.connect(other_modem)
+                            else
                                 databus.tx_hw_modem(false)
+                            end
                         else
                             log.warning("non-comms modem disconnected")
                         end
@@ -127,7 +134,7 @@ function threads.thread__main(smem)
 
                 if type ~= nil and device ~= nil then
                     if type == "modem" then
-                        if device.isWireless() then
+                        if device.isWireless() and not nic.is_connected() then
                             -- reconnected modem
                             nic.connect(device)
 
@@ -135,6 +142,8 @@ function threads.thread__main(smem)
                             log.info("comms modem reconnected")
 
                             databus.tx_hw_modem(true)
+                        elseif device.isWireless() then
+                            log.info("unused wireless modem reconnected")
                         else
                             log.info("wired modem reconnected")
                         end
@@ -181,21 +190,22 @@ function threads.thread__main(smem)
                                     databus.tx_unit_hw_type(unit.uid, unit.type)
                                 end
 
+                                -- note for multiblock structures: if not formed, indexing the multiblock functions results in a PPM fault
+
                                 if unit.type == RTU_UNIT_TYPE.BOILER_VALVE then
                                     unit.rtu, faulted = boilerv_rtu.new(device)
-                                     -- if not formed, indexing the multiblock functions would have resulted in a PPM fault
                                     unit.formed = util.trinary(faulted, false, nil)
                                 elseif unit.type == RTU_UNIT_TYPE.TURBINE_VALVE then
                                     unit.rtu, faulted = turbinev_rtu.new(device)
-                                     -- if not formed, indexing the multiblock functions would have resulted in a PPM fault
+                                    unit.formed = util.trinary(faulted, false, nil)
+                                elseif unit.type == RTU_UNIT_TYPE.DYNAMIC_VALVE then
+                                    unit.rtu, faulted = dynamicv_rtu.new(device)
                                     unit.formed = util.trinary(faulted, false, nil)
                                 elseif unit.type == RTU_UNIT_TYPE.IMATRIX then
                                     unit.rtu, faulted = imatrix_rtu.new(device)
-                                     -- if not formed, indexing the multiblock functions would have resulted in a PPM fault
                                     unit.formed = util.trinary(faulted, false, nil)
                                 elseif unit.type == RTU_UNIT_TYPE.SPS then
                                     unit.rtu, faulted = sps_rtu.new(device)
-                                     -- if not formed, indexing the multiblock functions would have resulted in a PPM fault
                                     unit.formed = util.trinary(faulted, false, nil)
                                 elseif unit.type == RTU_UNIT_TYPE.SNA then
                                     unit.rtu, faulted = sna_rtu.new(device)
@@ -441,6 +451,12 @@ function threads.thread__unit_comms(smem, unit)
                                 unit.rtu, faulted = turbinev_rtu.new(device)
                                 unit.formed = device.isFormed()
                                 unit.modbus_io = modbus.new(unit.rtu, true)
+                            elseif type == "dynamicValve" and unit.type == RTU_UNIT_TYPE.DYNAMIC_VALVE then
+                                -- dynamic tank multiblock
+                                unit.device = device
+                                unit.rtu, faulted = dynamicv_rtu.new(device)
+                                unit.formed = device.isFormed()
+                                unit.modbus_io = modbus.new(unit.rtu, true)
                             elseif type == "inductionPort" and unit.type == RTU_UNIT_TYPE.IMATRIX then
                                 -- induction matrix multiblock
                                 unit.device = device

scada-common/comms.lua

@@ -14,7 +14,7 @@ local max_distance = nil                ---@type number|nil maximum acceptable t
 ---@class comms
 local comms = {}
 
-comms.version = "2.1.0"
+comms.version = "2.1.2"
 
 ---@enum PROTOCOL
 local PROTOCOL = {
@@ -92,9 +92,11 @@ local PLC_AUTO_ACK = {
 ---@enum FAC_COMMAND
 local FAC_COMMAND = {
     SCRAM_ALL = 0,      -- SCRAM all reactors
-    STOP = 1,           -- stop automatic control
-    START = 2,          -- start automatic control
-    ACK_ALL_ALARMS = 3  -- acknowledge all alarms on all units
+    STOP = 1,           -- stop automatic process control
+    START = 2,          -- start automatic process control
+    ACK_ALL_ALARMS = 3, -- acknowledge all alarms on all units
+    SET_WASTE_MODE = 4, -- set automatic waste processing mode
+    SET_PU_FB = 5       -- set plutonium fallback mode
 }
 
 ---@enum UNIT_COMMAND

scada-common/log.lua

@@ -20,7 +20,9 @@ local logger = {
     mode = MODE.APPEND,
     debug = false,
     file = nil,
-    dmesg_out = nil
+    dmesg_out = nil,
+    dmesg_restore_coord = { 1, 1 },
+    dmesg_scroll_count = 0
 }
 
 ---@type function
@@ -158,6 +160,7 @@ function log.dmesg(msg, tag, tag_color)
             if cur_y == out_h then
                 out.scroll(1)
                 out.setCursorPos(1, cur_y)
+                logger.dmesg_scroll_count = logger.dmesg_scroll_count + 1
             else
                 out.setCursorPos(1, cur_y + 1)
             end
@@ -193,6 +196,7 @@ function log.dmesg(msg, tag, tag_color)
                 if cur_y == out_h then
                     out.scroll(1)
                     out.setCursorPos(1, cur_y)
+                    logger.dmesg_scroll_count = logger.dmesg_scroll_count + 1
                 else
                     out.setCursorPos(1, cur_y + 1)
                 end
@@ -201,6 +205,8 @@ function log.dmesg(msg, tag, tag_color)
             out.write(lines[i])
         end
 
+        logger.dmesg_restore_coord = { out.getCursorPos() }
+
         _log(util.c("[", t_stamp, "] [", tag, "] ", msg))
     end
 
@@ -215,6 +221,7 @@ end
 ---@return function update, function done
 function log.dmesg_working(msg, tag, tag_color)
     local ts_coord = log.dmesg(msg, tag, tag_color)
+    local initial_scroll = logger.dmesg_scroll_count
 
     local out = logger.dmesg_out
     local width = (ts_coord.x2 - ts_coord.x1) + 1
@@ -225,11 +232,14 @@ function log.dmesg_working(msg, tag, tag_color)
         local counter = 0
 
         local function update(sec_remaining)
+            local new_y = ts_coord.y - (logger.dmesg_scroll_count - initial_scroll)
+            if new_y < 1 then return end
+
             local time = util.sprintf("%ds", sec_remaining)
             local available = width - (string.len(time) + 2)
             local progress = ""
 
-            out.setCursorPos(ts_coord.x1, ts_coord.y)
+            out.setCursorPos(ts_coord.x1, new_y)
             out.write(" ")
 
             if counter % 4 == 0 then
@@ -249,10 +259,15 @@ function log.dmesg_working(msg, tag, tag_color)
             out.setTextColor(initial_color)
 
             counter = counter + 1
+
+            out.setCursorPos(table.unpack(logger.dmesg_restore_coord))
         end
 
         local function done(ok)
-            out.setCursorPos(ts_coord.x1, ts_coord.y)
+            local new_y = ts_coord.y - (logger.dmesg_scroll_count - initial_scroll)
+            if new_y < 1 then return end
+
+            out.setCursorPos(ts_coord.x1, new_y)
 
             if ok or ok == nil then
                 out.setTextColor(colors.green)
@@ -263,6 +278,8 @@ function log.dmesg_working(msg, tag, tag_color)
             end
 
             out.setTextColor(initial_color)
+
+            out.setCursorPos(table.unpack(logger.dmesg_restore_coord))
         end
 
         return update, done

scada-common/network.lua

@@ -94,7 +94,7 @@ function network.nic(modem)
 
     -- check if this NIC has a connected modem
     ---@nodiscard
-    function public.connected() return self.connected end
+    function public.is_connected() return self.connected end
 
     -- connect to a modem peripheral
     ---@param reconnected_modem table

scada-common/types.lua

@@ -89,16 +89,18 @@ types.RTU_UNIT_TYPE = {
     REDSTONE = 1,       -- redstone I/O
     BOILER_VALVE = 2,   -- boiler mekanism 10.1+
     TURBINE_VALVE = 3,  -- turbine, mekanism 10.1+
-    IMATRIX = 4,        -- induction matrix
-    SPS = 5,            -- SPS
-    SNA = 6,            -- SNA
-    ENV_DETECTOR = 7    -- environment detector
+    DYNAMIC_VALVE = 4,  -- dynamic tank, mekanism 10.1+
+    IMATRIX = 5,        -- induction matrix
+    SPS = 6,            -- SPS
+    SNA = 7,            -- SNA
+    ENV_DETECTOR = 8    -- environment detector
 }
 
 types.RTU_UNIT_NAMES = {
     "redstone",
     "boiler_valve",
     "turbine_valve",
+    "dynamic_valve",
     "induction_matrix",
     "sps",
     "sna",
@@ -115,6 +117,7 @@ function types.rtu_type_to_string(utype)
     elseif utype == types.RTU_UNIT_TYPE.REDSTONE or
        utype == types.RTU_UNIT_TYPE.BOILER_VALVE or
        utype == types.RTU_UNIT_TYPE.TURBINE_VALVE or
+       utype == types.RTU_UNIT_TYPE.DYNAMIC_VALVE or
        utype == types.RTU_UNIT_TYPE.IMATRIX or
        utype == types.RTU_UNIT_TYPE.SPS or
        utype == types.RTU_UNIT_TYPE.SNA or
@@ -158,13 +161,26 @@ types.PROCESS_NAMES = {
 ---@enum WASTE_MODE
 types.WASTE_MODE = {
     AUTO = 1,
-    PLUTONIUM = 2,
-    POLONIUM = 3,
-    ANTI_MATTER = 4
+    MANUAL_PLUTONIUM = 2,
+    MANUAL_POLONIUM = 3,
+    MANUAL_ANTI_MATTER = 4
 }
 
 types.WASTE_MODE_NAMES = {
     "AUTO",
+    "MANUAL_PLUTONIUM",
+    "MANUAL_POLONIUM",
+    "MANUAL_ANTI_MATTER"
+}
+
+---@enum WASTE_PRODUCT
+types.WASTE_PRODUCT = {
+    PLUTONIUM = 1,
+    POLONIUM = 2,
+    ANTI_MATTER = 3
+}
+
+types.WASTE_PRODUCT_NAMES = {
     "PLUTONIUM",
     "POLONIUM",
     "ANTI_MATTER"
@@ -315,6 +331,17 @@ types.RPS_TRIP_CAUSE = {
     FORCE_DISABLED = "force_disabled"
 }
 
+---@alias container_mode
+---| "BOTH"
+---| "FILL"
+---| "EMPTY"
+
+types.CONTAINER_MODE = {
+    BOTH = "BOTH",
+    FILL = "FILL",
+    EMPTY = "EMPTY"
+}
+
 ---@alias dumping_mode
 ---| "IDLE"
 ---| "DUMPING"

supervisor/facility.lua

@@ -11,6 +11,9 @@ local rsctl = require("supervisor.session.rsctl")
 local PROCESS = types.PROCESS
 local PROCESS_NAMES = types.PROCESS_NAMES
 local PRIO = types.ALARM_PRIORITY
+local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
+local WASTE = types.WASTE_PRODUCT
+local WASTE_MODE = types.WASTE_MODE
 
 local IO = rsio.IO
 
@@ -59,8 +62,11 @@ function facility.new(num_reactors, cooling_conf)
         all_sys_ok = false,
         -- rtus
         rtu_conn_count = 0,
+        rtu_list = {},
         redstone = {},
         induction = {},
+        sps = {},
+        tanks = {},
         envd = {},
         -- redstone I/O control
         io_ctl = nil,   ---@type rs_controller
@@ -99,6 +105,10 @@ function facility.new(num_reactors, cooling_conf)
         last_update = 0,
         last_error = 0.0,
         last_time = 0.0,
+        -- waste processing
+        waste_product = WASTE.PLUTONIUM,
+        current_waste_product = WASTE.PLUTONIUM,
+        pu_fallback = false,
         -- statistics
         im_stat_init = false,
         avg_charge = util.mov_avg(3, 0.0),
@@ -112,15 +122,12 @@ function facility.new(num_reactors, cooling_conf)
         table.insert(self.group_map, 0)
     end
 
+    -- list for RTU session management
+    self.rtu_list = { self.redstone, self.induction, self.sps, self.tanks, self.envd }
+
     -- init redstone RTU I/O controller
     self.io_ctl = rsctl.new(self.redstone)
 
-    -- unlink disconnected units
-    ---@param sessions table
-    local function _unlink_disconnected_units(sessions)
-        util.filter_table(sessions, function (u) return u.is_connected() end)
-    end
-
     -- check if all auto-controlled units completed ramping
     ---@nodiscard
     local function _all_units_ramped()
@@ -205,24 +212,50 @@ function facility.new(num_reactors, cooling_conf)
         table.insert(self.redstone, rs_unit)
     end
 
-    -- link an imatrix RTU session
+    -- link an induction matrix RTU session
     ---@param imatrix unit_session
+    ---@return boolean linked induction matrix accepted (max 1)
     function public.add_imatrix(imatrix)
+        if #self.induction == 0 then
             table.insert(self.induction, imatrix)
+            return true
+        else return false end
+    end
+
+    -- link an SPS RTU session
+    ---@param sps unit_session
+    ---@return boolean linked SPS accepted (max 1)
+    function public.add_sps(sps)
+        if #self.sps == 0 then
+            table.insert(self.sps, sps)
+            return true
+        else return false end
+    end
+
+    -- link a dynamic tank RTU session
+    ---@param dynamic_tank unit_session
+    ---@return boolean linked dynamic tank accepted (max 1)
+    function public.add_tank(dynamic_tank)
+        if #self.tanks == 0 then
+            table.insert(self.tanks, dynamic_tank)
+            return true
+        else return false end
     end
 
     -- link an environment detector RTU session
     ---@param envd unit_session
+    ---@return boolean linked environment detector accepted (max 1)
     function public.add_envd(envd)
+        if #self.envd == 0 then
             table.insert(self.envd, envd)
+            return true
+        else return false end
     end
 
     -- purge devices associated with the given RTU session ID
     ---@param session integer RTU session ID
     function public.purge_rtu_devices(session)
-        util.filter_table(self.redstone,  function (s) return s.get_session_id() ~= session end)
-        util.filter_table(self.induction, function (s) return s.get_session_id() ~= session end)
-        util.filter_table(self.envd,      function (s) return s.get_session_id() ~= session end)
+        for _, v in pairs(self.rtu_list) do util.filter_table(v, function (s) return s.get_session_id() ~= session end) end
     end
 
     -- UPDATE --
@@ -236,9 +269,7 @@ function facility.new(num_reactors, cooling_conf)
     -- update (iterate) the facility management
     function public.update()
         -- unlink RTU unit sessions if they are closed
-        _unlink_disconnected_units(self.redstone)
-        _unlink_disconnected_units(self.induction)
-        _unlink_disconnected_units(self.envd)
+        for _, v in pairs(self.rtu_list) do util.filter_table(v, function (u) return u.is_connected() end) end
 
         -- current state for process control
         local charge_update = 0
@@ -277,6 +308,8 @@ function facility.new(num_reactors, cooling_conf)
         -- Run Process Control --
         -------------------------
 
+        --#region Process Control
+
         local avg_charge = self.avg_charge.compute()
         local avg_inflow = self.avg_inflow.compute()
 
@@ -542,10 +575,14 @@ function facility.new(num_reactors, cooling_conf)
             next_mode = PROCESS.INACTIVE
         end
 
+        --#endregion
+
         ------------------------------
         -- Evaluate Automatic SCRAM --
         ------------------------------
 
+        --#region Automatic SCRAM
+
         local astatus = self.ascram_status
 
         if self.induction[1] ~= nil then
@@ -659,6 +696,8 @@ function facility.new(num_reactors, cooling_conf)
             end
         end
 
+        --#endregion
+
         -- update last mode and set next mode
         self.last_mode = self.mode
         self.mode = next_mode
@@ -692,12 +731,33 @@ function facility.new(num_reactors, cooling_conf)
 
             self.io_ctl.digital_write(IO.F_ALARM, has_alarm)
         end
+
+        -----------------------------
+        -- Update Waste Processing --
+        -----------------------------
+
+        local insufficent_po_rate = false
+        for i = 1, #self.units do
+            local u = self.units[i] ---@type reactor_unit
+            if u.get_control_inf().waste_mode == WASTE_MODE.AUTO then
+                if (u.get_sna_rate() * 10.0) < u.get_burn_rate() then
+                    insufficent_po_rate = true
+                    break
+                end
+            end
         end
 
-    -- call the update function of all units in the facility
+        if self.waste_product == WASTE.PLUTONIUM or (self.pu_fallback and insufficent_po_rate) then
+            self.current_waste_product = WASTE.PLUTONIUM
+        else self.current_waste_product = self.waste_product end
+    end
+
+    -- call the update function of all units in the facility<br>
+    -- additionally sets the requested auto waste mode if applicable
     function public.update_units()
         for i = 1, #self.units do
             local u = self.units[i] ---@type reactor_unit
+            u.auto_set_waste(self.current_waste_product)
             u.update()
         end
     end
@@ -721,14 +781,14 @@ function facility.new(num_reactors, cooling_conf)
     end
 
     -- stop auto control
-    function public.auto_stop()
-        self.mode = PROCESS.INACTIVE
-    end
+    function public.auto_stop() self.mode = PROCESS.INACTIVE end
 
     -- set automatic control configuration and start the process
     ---@param config coord_auto_config configuration
     ---@return table response ready state (successfully started) and current configuration (after updating)
     function public.auto_start(config)
+        local charge_scaler = 1000000   -- convert MFE to FE
+        local gen_scaler    = 1000      -- convert kFE to FE
         local ready         = false
 
         -- load up current limits
@@ -749,11 +809,11 @@ function facility.new(num_reactors, cooling_conf)
             end
 
             if (type(config.charge_target) == "number") and config.charge_target >= 0 then
-                self.charge_setpoint = config.charge_target * 1000000  -- convert MFE to FE
+                self.charge_setpoint = config.charge_target * charge_scaler
             end
 
             if (type(config.gen_target) == "number") and config.gen_target >= 0 then
-                self.gen_rate_setpoint = config.gen_target * 1000   -- convert kFE to FE
+                self.gen_rate_setpoint = config.gen_target * gen_scaler
             end
 
             if (type(config.limits) == "table") and (#config.limits == num_reactors) then
@@ -769,11 +829,9 @@ function facility.new(num_reactors, cooling_conf)
 
             ready = self.mode_set > 0
 
-            if (self.mode_set == PROCESS.CHARGE) and (self.charge_setpoint <= 0) then
-                ready = false
-            elseif (self.mode_set == PROCESS.GEN_RATE) and (self.gen_rate_setpoint <= 0) then
-                ready = false
-            elseif (self.mode_set == PROCESS.BURN_RATE) and (self.burn_target < 0.1) then
+            if (self.mode_set == PROCESS.CHARGE) and (self.charge_setpoint <= 0) or
+               (self.mode_set == PROCESS.GEN_RATE) and (self.gen_rate_setpoint <= 0) or
+               (self.mode_set == PROCESS.BURN_RATE) and (self.burn_target < 0.1) then
                 ready = false
             end
 
@@ -782,7 +840,14 @@ function facility.new(num_reactors, cooling_conf)
             if ready then self.mode = self.mode_set end
         end
 
-        return { ready, self.mode_set, self.burn_target, self.charge_setpoint, self.gen_rate_setpoint, limits }
+        return {
+            ready,
+            self.mode_set,
+            self.burn_target,
+            self.charge_setpoint / charge_scaler,
+            self.gen_rate_setpoint / gen_scaler,
+            limits
+        }
     end
 
     -- SETTINGS --
@@ -807,15 +872,35 @@ function facility.new(num_reactors, cooling_conf)
         end
     end
 
+    -- set waste production
+    ---@param product WASTE_PRODUCT target product
+    ---@return WASTE_PRODUCT product newly set value, if valid
+    function public.set_waste_product(product)
+        if product == WASTE.PLUTONIUM or product == WASTE.POLONIUM or product == WASTE.ANTI_MATTER then
+            self.waste_product = product
+        end
+
+        return self.waste_product
+    end
+
+    -- enable/disable plutonium fallback
+    ---@param enabled boolean requested state
+    ---@return boolean enabled newly set value
+    function public.set_pu_fallback(enabled)
+        self.pu_fallback = enabled == true
+        return self.pu_fallback
+    end
+
     -- READ STATES/PROPERTIES --
 
-    -- get build properties of all machines
+    -- get build properties of all facility devices
     ---@nodiscard
-    ---@param inc_imatrix boolean? true/nil to include induction matrix build, false to exclude
-    function public.get_build(inc_imatrix)
+    ---@param type RTU_UNIT_TYPE? type or nil to include only a particular unit type, or to include all if nil
+    function public.get_build(type)
+        local all = type == nil
         local build = {}
 
-        if inc_imatrix ~= false then
+        if all or type == RTU_UNIT_TYPE.IMATRIX then
             build.induction = {}
             for i = 1, #self.induction do
                 local matrix = self.induction[i]    ---@type unit_session
@@ -823,6 +908,22 @@ function facility.new(num_reactors, cooling_conf)
             end
         end
 
+        if all or type == RTU_UNIT_TYPE.SPS then
+            build.sps = {}
+            for i = 1, #self.sps do
+                local sps = self.sps[i]             ---@type unit_session
+                build.sps[sps.get_device_idx()] = { sps.get_db().formed, sps.get_db().build }
+            end
+        end
+
+        if all or type == RTU_UNIT_TYPE.DYNAMIC_VALVE then
+            build.tanks = {}
+            for i = 1, #self.tanks do
+                local tank = self.tanks[i]          ---@type unit_session
+                build.tanks[tank.get_device_idx()] = { tank.get_db().formed, tank.get_db().build }
+            end
+        end
+
         return build
     end
 
@@ -844,7 +945,9 @@ function facility.new(num_reactors, cooling_conf)
             astat.gen_fault or self.mode == PROCESS.GEN_RATE_FAULT_IDLE,
             self.status_text[1],
             self.status_text[2],
-            self.group_map
+            self.group_map,
+            self.current_waste_product,
+            (self.current_waste_product == WASTE.PLUTONIUM) and (self.waste_product ~= WASTE.PLUTONIUM)
         }
     end
 
@@ -867,22 +970,31 @@ function facility.new(num_reactors, cooling_conf)
         status.induction = {}
         for i = 1, #self.induction do
             local matrix = self.induction[i]    ---@type unit_session
-            status.induction[matrix.get_device_idx()] = {
-                matrix.is_faulted(),
-                matrix.get_db().formed,
-                matrix.get_db().state,
-                matrix.get_db().tanks
-            }
+            local db     = matrix.get_db()      ---@type imatrix_session_db
+            status.induction[matrix.get_device_idx()] = { matrix.is_faulted(), db.formed, db.state, db.tanks }
+        end
+
+        -- status of sps
+        status.sps = {}
+        for i = 1, #self.sps do
+            local sps = self.sps[i]     ---@type unit_session
+            local db  = sps.get_db()    ---@type sps_session_db
+            status.sps[sps.get_device_idx()] = { sps.is_faulted(), db.formed, db.state, db.tanks }
+        end
+
+        -- status of dynamic tanks
+        status.tanks = {}
+        for i = 1, #self.tanks do
+            local tank = self.tanks[i]  ---@type unit_session
+            local db   = tank.get_db()  ---@type dynamicv_session_db
+            status.tanks[tank.get_device_idx()] = { tank.is_faulted(), db.formed, db.state, db.tanks }
         end
 
         -- radiation monitors (environment detectors)
         status.rad_mon = {}
         for i = 1, #self.envd do
             local envd = self.envd[i]   ---@type unit_session
-            status.rad_mon[envd.get_device_idx()] = {
-                envd.is_faulted(),
-                envd.get_db().radiation
-            }
+            status.rad_mon[envd.get_device_idx()] = { envd.is_faulted(), envd.get_db().radiation }
         end
 
         return status

supervisor/panel/front_panel.lua

@@ -1,5 +1,5 @@
 --
--- Main SCADA Coordinator GUI
+-- Supervisor Front Panel GUI
 --
 
 local util          = require("scada-common.util")
@@ -29,7 +29,7 @@ local TEXT_ALIGN = core.TEXT_ALIGN
 
 local cpair = core.cpair
 
--- create new main view
+-- create new front panel view
 ---@param panel graphics_element main displaybox
 local function init(panel)
     TextBox{parent=panel,y=1,text="SCADA SUPERVISOR",alignment=TEXT_ALIGN.CENTER,height=1,fg_bg=style.header}

supervisor/session/coordinator.lua

@@ -1,7 +1,6 @@
 local comms    = require("scada-common.comms")
 local log      = require("scada-common.log")
 local mqueue   = require("scada-common.mqueue")
-local types    = require("scada-common.types")
 local util     = require("scada-common.util")
 
 local databus  = require("supervisor.databus")
@@ -16,8 +15,6 @@ local SCADA_CRDN_TYPE = comms.SCADA_CRDN_TYPE
 local UNIT_COMMAND = comms.UNIT_COMMAND
 local FAC_COMMAND = comms.FAC_COMMAND
 
-local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
-
 local SV_Q_DATA = svqtypes.SV_Q_DATA
 
 -- retry time constants in ms
@@ -258,6 +255,18 @@ function coordinator.new_session(id, s_addr, in_queue, out_queue, timeout, facil
                     elseif cmd == FAC_COMMAND.ACK_ALL_ALARMS then
                         facility.ack_all()
                         _send(SCADA_CRDN_TYPE.FAC_CMD, { cmd, true })
+                    elseif cmd == FAC_COMMAND.SET_WASTE_MODE then
+                        if pkt.length == 2 then
+                            _send(SCADA_CRDN_TYPE.FAC_CMD, { cmd, facility.set_waste_product(pkt.data[2]) })
+                        else
+                            log.debug(log_header .. "CRDN set waste mode packet length mismatch")
+                        end
+                    elseif cmd == FAC_COMMAND.SET_PU_FB then
+                        if pkt.length == 2 then
+                            _send(SCADA_CRDN_TYPE.FAC_CMD, { cmd, facility.set_pu_fallback(pkt.data[2]) })
+                        else
+                            log.debug(log_header .. "CRDN set pu fallback packet length mismatch")
+                        end
                     else
                         log.debug(log_header .. "CRDN facility command unknown")
                     end
@@ -294,9 +303,9 @@ function coordinator.new_session(id, s_addr, in_queue, out_queue, timeout, facil
                             end
                         elseif cmd == UNIT_COMMAND.SET_WASTE then
                             if (pkt.length == 3) and (type(pkt.data[3]) == "number") and (pkt.data[3] > 0) and (pkt.data[3] <= 4) then
-                                unit.set_waste(pkt.data[3])
+                                unit.set_waste_mode(pkt.data[3])
                             else
-                                log.debug(log_header .. "CRDN unit command set waste missing option")
+                                log.debug(log_header .. "CRDN unit command set waste missing/invalid option")
                             end
                         elseif cmd == UNIT_COMMAND.ACK_ALL_ALARMS then
                             unit.ack_all()
@@ -394,7 +403,7 @@ function coordinator.new_session(id, s_addr, in_queue, out_queue, timeout, facil
                             local builds = {}
 
                             local unit = self.units[unit_id]    ---@type reactor_unit
-                            builds[unit_id] = unit.get_build(true, false, false)
+                            builds[unit_id] = unit.get_build(-1)
 
                             _send(SCADA_CRDN_TYPE.UNIT_BUILDS, { builds })
                         elseif cmd.key == CRD_S_DATA.RESEND_RTU_BUILD then
@@ -408,7 +417,7 @@ function coordinator.new_session(id, s_addr, in_queue, out_queue, timeout, facil
                                 local builds = {}
 
                                 local unit = self.units[unit_id]    ---@type reactor_unit
-                                builds[unit_id] = unit.get_build(false, cmd.val.type == RTU_UNIT_TYPE.BOILER_VALVE, cmd.val.type == RTU_UNIT_TYPE.TURBINE_VALVE)
+                                builds[unit_id] = unit.get_build(cmd.val.type)
 
                                 _send(SCADA_CRDN_TYPE.UNIT_BUILDS, { builds })
                             else
@@ -417,7 +426,7 @@ function coordinator.new_session(id, s_addr, in_queue, out_queue, timeout, facil
                                 self.retry_times.f_builds_packet = util.time() + PARTIAL_RETRY_PERIOD
                                 self.acks.fac_builds = false
 
-                                _send(SCADA_CRDN_TYPE.FAC_BUILDS, { facility.get_build(cmd.val.type == RTU_UNIT_TYPE.IMATRIX) })
+                                _send(SCADA_CRDN_TYPE.FAC_BUILDS, { facility.get_build(cmd.val.type) })
                             end
                         else
                             log.error(log_header .. "unsupported data command received in in_queue (this is a bug)", true)

supervisor/session/plc.lua

@@ -313,17 +313,19 @@ function plc.new_session(id, s_addr, reactor_id, in_queue, out_queue, timeout, f
             if pkt.type == RPLC_TYPE.STATUS then
                 -- status packet received, update data
                 if pkt.length >= 5 then
+                    if (type(pkt.data[1]) == "number") and (type(pkt.data[2]) == "boolean") and (type(pkt.data[3]) == "boolean") and
+                       (type(pkt.data[4]) == "boolean") and (type(pkt.data[5]) == "number") then
                         self.sDB.last_status_update = pkt.data[1]
                         self.sDB.control_state = pkt.data[2]
                         self.sDB.no_reactor = pkt.data[3]
                         self.sDB.formed = pkt.data[4]
                         self.sDB.auto_ack_token = pkt.data[5]
 
-                    if not self.sDB.no_reactor and self.sDB.formed then
+                        if (not self.sDB.no_reactor) and self.sDB.formed and (type(pkt.data[6]) == "number") then
                             self.sDB.mek_status.heating_rate = pkt.data[6] or 0.0
 
                             -- attempt to read mek_data table
-                        if pkt.data[7] ~= nil then
+                            if type(pkt.data[7]) == "table" then
                                 local status = pcall(_copy_status, pkt.data[7])
                                 if status then
                                     -- copied in status data OK
@@ -334,6 +336,9 @@ function plc.new_session(id, s_addr, reactor_id, in_queue, out_queue, timeout, f
                                 end
                             end
                         end
+                    else
+                        log.debug(log_header .. "RPLC status packet invalid")
+                    end
                 else
                     log.debug(log_header .. "RPLC status packet length mismatch")
                 end

supervisor/session/rtu.lua

@@ -11,6 +11,7 @@ local svqtypes      = require("supervisor.session.svqtypes")
 -- supervisor rtu sessions (svrs)
 local unit_session  = require("supervisor.session.rtu.unit_session")
 local svrs_boilerv  = require("supervisor.session.rtu.boilerv")
+local svrs_dynamicv = require("supervisor.session.rtu.dynamicv")
 local svrs_envd     = require("supervisor.session.rtu.envd")
 local svrs_imatrix  = require("supervisor.session.rtu.imatrix")
 local svrs_redstone = require("supervisor.session.rtu.redstone")
@@ -138,6 +139,14 @@ function rtu.new_session(id, s_addr, in_queue, out_queue, timeout, advertisement
                         -- turbine
                         unit = svrs_turbinev.new(id, i, unit_advert, self.modbus_q)
                         if type(unit) ~= "nil" then target_unit.add_turbine(unit) end
+                    elseif u_type == RTU_UNIT_TYPE.DYNAMIC_VALVE then
+                        -- dynamic tank
+                        unit = svrs_dynamicv.new(id, i, unit_advert, self.modbus_q)
+                        if type(unit) ~= "nil" then target_unit.add_tank(unit) end
+                    elseif u_type == RTU_UNIT_TYPE.SNA then
+                        -- solar neutron activator
+                        unit = svrs_sna.new(id, i, unit_advert, self.modbus_q)
+                        if type(unit) ~= "nil" then target_unit.add_sna(unit) end
                     elseif u_type == RTU_UNIT_TYPE.ENV_DETECTOR then
                         -- environment detector
                         unit = svrs_envd.new(id, i, unit_advert, self.modbus_q)
@@ -161,9 +170,11 @@ function rtu.new_session(id, s_addr, in_queue, out_queue, timeout, advertisement
                     elseif u_type == RTU_UNIT_TYPE.SPS then
                         -- super-critical phase shifter
                         unit = svrs_sps.new(id, i, unit_advert, self.modbus_q)
-                    elseif u_type == RTU_UNIT_TYPE.SNA then
-                        -- solar neutron activator
-                        unit = svrs_sna.new(id, i, unit_advert, self.modbus_q)
+                        if type(unit) ~= "nil" then facility.add_sps(unit) end
+                    elseif u_type == RTU_UNIT_TYPE.DYNAMIC_VALVE then
+                        -- dynamic tank
+                        unit = svrs_dynamicv.new(id, i, unit_advert, self.modbus_q)
+                        if type(unit) ~= "nil" then facility.add_tank(unit) end
                     elseif u_type == RTU_UNIT_TYPE.ENV_DETECTOR then
                         -- environment detector
                         unit = svrs_envd.new(id, i, unit_advert, self.modbus_q)

supervisor/session/rtu/dynamicv.lua

@@ -0,0 +1,289 @@
+local log          = require("scada-common.log")
+local mqueue       = require("scada-common.mqueue")
+local types        = require("scada-common.types")
+local util         = require("scada-common.util")
+
+local qtypes       = require("supervisor.session.rtu.qtypes")
+local unit_session = require("supervisor.session.rtu.unit_session")
+
+local dynamicv = {}
+
+local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
+local CONTAINER_MODE = types.CONTAINER_MODE
+local MODBUS_FCODE = types.MODBUS_FCODE
+
+local DTV_RTU_S_CMDS = qtypes.DTV_RTU_S_CMDS
+local DTV_RTU_S_DATA = qtypes.DTV_RTU_S_DATA
+
+local TXN_TYPES = {
+    FORMED = 1,
+    BUILD = 2,
+    STATE = 3,
+    TANKS = 4,
+    INC_CONT = 5,
+    DEC_CONT = 6,
+    SET_CONT = 7
+}
+
+local TXN_TAGS = {
+    "dynamicv.formed",
+    "dynamicv.build",
+    "dynamicv.state",
+    "dynamicv.tanks",
+    "dynamicv.inc_cont_mode",
+    "dynamicv.dec_cont_mode",
+    "dynamicv.set_cont_mode"
+}
+
+local PERIODICS = {
+    FORMED = 2000,
+    BUILD = 1000,
+    STATE = 1000,
+    TANKS = 500
+}
+
+-- create a new dynamicv rtu session runner
+---@nodiscard
+---@param session_id integer RTU session ID
+---@param unit_id integer RTU unit ID
+---@param advert rtu_advertisement RTU advertisement table
+---@param out_queue mqueue RTU unit message out queue
+function dynamicv.new(session_id, unit_id, advert, out_queue)
+    -- type check
+    if advert.type ~= RTU_UNIT_TYPE.DYNAMIC_VALVE then
+        log.error("attempt to instantiate dynamicv RTU for type '" .. types.rtu_type_to_string(advert.type) .. "'. this is a bug.")
+        return nil
+    end
+
+    local log_tag = "session.rtu(" .. session_id .. ").dynamicv(" .. advert.index .. "): "
+
+    local self = {
+        session = unit_session.new(session_id, unit_id, advert, out_queue, log_tag, TXN_TAGS),
+        has_build = false,
+        periodics = {
+            next_formed_req = 0,
+            next_build_req = 0,
+            next_state_req = 0,
+            next_tanks_req = 0
+        },
+        ---@class dynamicv_session_db
+        db = {
+            formed = false,
+            build = {
+                last_update = 0,
+                length = 0,
+                width = 0,
+                height = 0,
+                min_pos = types.new_zero_coordinate(),
+                max_pos = types.new_zero_coordinate(),
+                tank_capacity = 0,
+                chem_tank_capacity = 0
+            },
+            state = {
+                last_update = 0,
+                container_mode = CONTAINER_MODE.BOTH    ---@type container_mode
+            },
+            tanks = {
+                last_update = 0,
+                stored = types.new_empty_gas(),
+                fill = 0
+            }
+        }
+    }
+
+    local public = self.session.get()
+
+    -- PRIVATE FUNCTIONS --
+
+    -- increment the container mode
+    local function _inc_cont_mode()
+        -- write coil 1 with unused value 0
+        self.session.send_request(TXN_TYPES.INC_CONT, MODBUS_FCODE.WRITE_SINGLE_COIL, { 1, 0 })
+    end
+
+    -- decrement the container mode
+    local function _dec_cont_mode()
+        -- write coil 2 with unused value 0
+        self.session.send_request(TXN_TYPES.DEC_CONT, MODBUS_FCODE.WRITE_SINGLE_COIL, { 2, 0 })
+    end
+
+    -- set the container mode
+    ---@param mode container_mode
+    local function _set_cont_mode(mode)
+        -- write holding register 1
+        self.session.send_request(TXN_TYPES.SET_CONT, MODBUS_FCODE.WRITE_SINGLE_HOLD_REG, { 1, mode })
+    end
+
+    -- query if the multiblock is formed
+    local function _request_formed()
+        -- read discrete input 1 (start = 1, count = 1)
+        self.session.send_request(TXN_TYPES.FORMED, MODBUS_FCODE.READ_DISCRETE_INPUTS, { 1, 1 })
+    end
+
+    -- query the build of the device
+    local function _request_build()
+        -- read input registers 1 through 7 (start = 1, count = 7)
+        self.session.send_request(TXN_TYPES.BUILD, MODBUS_FCODE.READ_INPUT_REGS, { 1, 7 })
+    end
+
+    -- query the state of the device
+    local function _request_state()
+        -- read holding register 1 (start = 1, count = 1)
+        self.session.send_request(TXN_TYPES.STATE, MODBUS_FCODE.READ_MUL_HOLD_REGS, { 1, 1 })
+    end
+
+    -- query the tanks of the device
+    local function _request_tanks()
+        -- read input registers 8 through 9 (start = 8, count = 2)
+        self.session.send_request(TXN_TYPES.TANKS, MODBUS_FCODE.READ_INPUT_REGS, { 8, 2 })
+    end
+
+    -- PUBLIC FUNCTIONS --
+
+    -- handle a packet
+    ---@param m_pkt modbus_frame
+    function public.handle_packet(m_pkt)
+        local txn_type = self.session.try_resolve(m_pkt)
+        if txn_type == false then
+            -- nothing to do
+        elseif txn_type == TXN_TYPES.FORMED then
+            -- formed response
+            -- load in data if correct length
+            if m_pkt.length == 1 then
+                self.db.formed = m_pkt.data[1]
+
+                if not self.db.formed then self.has_build = false end
+            else
+                log.debug(log_tag .. "MODBUS transaction reply length mismatch (" .. TXN_TAGS[txn_type] .. ")")
+            end
+        elseif txn_type == TXN_TYPES.BUILD then
+            -- build response
+            if m_pkt.length == 7 then
+                self.db.build.last_update        = util.time_ms()
+                self.db.build.length             = m_pkt.data[1]
+                self.db.build.width              = m_pkt.data[2]
+                self.db.build.height             = m_pkt.data[3]
+                self.db.build.min_pos            = m_pkt.data[4]
+                self.db.build.max_pos            = m_pkt.data[5]
+                self.db.build.tank_capacity      = m_pkt.data[6]
+                self.db.build.chem_tank_capacity = m_pkt.data[7]
+                self.has_build = true
+
+                out_queue.push_data(unit_session.RTU_US_DATA.BUILD_CHANGED, { unit = advert.reactor, type = advert.type })
+            else
+                log.debug(log_tag .. "MODBUS transaction reply length mismatch (" .. TXN_TAGS[txn_type] .. ")")
+            end
+        elseif txn_type == TXN_TYPES.STATE then
+            -- state response
+            if m_pkt.length == 1 then
+                self.db.state.last_update    = util.time_ms()
+                self.db.state.container_mode = m_pkt.data[1]
+            else
+                log.debug(log_tag .. "MODBUS transaction reply length mismatch (" .. TXN_TAGS[txn_type] .. ")")
+            end
+        elseif txn_type == TXN_TYPES.TANKS then
+            -- tanks response
+            if m_pkt.length == 2 then
+                self.db.tanks.last_update = util.time_ms()
+                self.db.tanks.stored      = m_pkt.data[1]
+                self.db.tanks.fill        = m_pkt.data[2]
+            else
+                log.debug(log_tag .. "MODBUS transaction reply length mismatch (" .. TXN_TAGS[txn_type] .. ")")
+            end
+        elseif txn_type == TXN_TYPES.INC_CONT or txn_type == TXN_TYPES.DEC_CONT or txn_type == TXN_TYPES.SET_CONT then
+            -- successful acknowledgement
+        elseif txn_type == nil then
+            log.error(log_tag .. "unknown transaction reply")
+        else
+            log.error(log_tag .. "unknown transaction type " .. txn_type)
+        end
+    end
+
+    -- update this runner
+    ---@param time_now integer milliseconds
+    function public.update(time_now)
+        -- check command queue
+        while self.session.in_q.ready() do
+            -- get a new message to process
+            local msg = self.session.in_q.pop()
+
+            if msg ~= nil then
+                if msg.qtype == mqueue.TYPE.COMMAND then
+                    -- instruction
+                    local cmd = msg.message
+
+                    if cmd == DTV_RTU_S_CMDS.INC_CONT_MODE then
+                        _inc_cont_mode()
+                    elseif cmd == DTV_RTU_S_CMDS.DEC_CONT_MODE then
+                        _dec_cont_mode()
+                    else
+                        log.debug(util.c(log_tag, "unrecognized in-queue command ", cmd))
+                    end
+                elseif msg.qtype == mqueue.TYPE.DATA then
+                    -- instruction with body
+                    local cmd = msg.message     ---@type queue_data
+                    if cmd.key == DTV_RTU_S_DATA.SET_CONT_MODE then
+                        if cmd.val == types.CONTAINER_MODE.BOTH or
+                           cmd.val == types.CONTAINER_MODE.FILL or
+                           cmd.val == types.CONTAINER_MODE.EMPTY then
+                            _set_cont_mode(cmd.val)
+                        else
+                            log.debug(util.c(log_tag, "unrecognized container mode \"", cmd.val, "\""))
+                        end
+                    else
+                        log.debug(util.c(log_tag, "unrecognized in-queue data ", cmd.key))
+                    end
+                end
+            end
+
+            -- max 100ms spent processing queue
+            if util.time() - time_now > 100 then
+                log.warning(log_tag .. "exceeded 100ms queue process limit")
+                break
+            end
+        end
+
+        time_now = util.time()
+
+        -- handle periodics
+
+        if self.periodics.next_formed_req <= time_now then
+            _request_formed()
+            self.periodics.next_formed_req = time_now + PERIODICS.FORMED
+        end
+
+        if self.db.formed then
+            if not self.has_build and self.periodics.next_build_req <= time_now then
+                _request_build()
+                self.periodics.next_build_req = time_now + PERIODICS.BUILD
+            end
+
+            if self.periodics.next_state_req <= time_now then
+                _request_state()
+                self.periodics.next_state_req = time_now + PERIODICS.STATE
+            end
+
+            if self.periodics.next_tanks_req <= time_now then
+                _request_tanks()
+                self.periodics.next_tanks_req = time_now + PERIODICS.TANKS
+            end
+        end
+
+        self.session.post_update()
+    end
+
+    -- invalidate build cache
+    function public.invalidate_cache()
+        self.periodics.next_formed_req = 0
+        self.periodics.next_build_req = 0
+        self.has_build = false
+    end
+
+    -- get the unit session database
+    ---@nodiscard
+    function public.get_db() return self.db end
+
+    return public
+end
+
+return dynamicv

supervisor/session/rtu/qtypes.lua

@@ -1,16 +1,31 @@
 ---@class rtu_unit_qtypes
 local qtypes = {}
 
+-- turbine valve rtu session commands
 local TBV_RTU_S_CMDS = {
     INC_DUMP_MODE = 1,
     DEC_DUMP_MODE = 2
 }
 
+-- turbine valve rtu session commands w/ parameters
 local TBV_RTU_S_DATA = {
     SET_DUMP_MODE = 1
 }
 
+-- dynamic tank valve rtu session commands
+local DTV_RTU_S_CMDS = {
+    INC_CONT_MODE = 1,
+    DEC_CONT_MODE = 2
+}
+
+-- dynamic tank valve rtu session commands w/ parameters
+local DTV_RTU_S_DATA = {
+    SET_CONT_MODE = 1
+}
+
 qtypes.TBV_RTU_S_CMDS = TBV_RTU_S_CMDS
 qtypes.TBV_RTU_S_DATA = TBV_RTU_S_DATA
+qtypes.DTV_RTU_S_CMDS = DTV_RTU_S_CMDS
+qtypes.DTV_RTU_S_DATA = DTV_RTU_S_DATA
 
 return qtypes

supervisor/startup.lua

@@ -21,7 +21,7 @@ local supervisor = require("supervisor.supervisor")
 
 local svsessions = require("supervisor.session.svsessions")
 
-local SUPERVISOR_VERSION = "v0.18.0"
+local SUPERVISOR_VERSION = "v0.20.2"
 
 local println = util.println
 local println_ts = util.println_ts
@@ -116,7 +116,7 @@ local function main()
     if not fp_ok then
         renderer.close_ui()
         println_ts(util.c("UI error: ", message))
-        log.error(util.c("GUI crashed with error ", message))
+        log.error(util.c("front panel GUI render failed with error ", message))
     else
         -- redefine println_ts local to not print as we have the front panel running
         println_ts = function (_) end
@@ -153,7 +153,13 @@ local function main()
                         println_ts("wireless modem disconnected!")
                         log.warning("comms modem disconnected")
 
+                        local other_modem = ppm.get_wireless_modem()
+                        if other_modem then
+                            log.info("found another wireless modem, using it for comms")
+                            nic.connect(other_modem)
+                        else
                             databus.tx_hw_modem(false)
+                        end
                     else
                         log.warning("non-comms modem disconnected")
                     end
@@ -164,7 +170,7 @@ local function main()
 
             if type ~= nil and device ~= nil then
                 if type == "modem" then
-                    if device.isWireless() and not nic.connected() then
+                    if device.isWireless() and not nic.is_connected() then
                         -- reconnected modem
                         nic.connect(device)
 
@@ -172,6 +178,8 @@ local function main()
                         log.info("comms modem reconnected")
 
                         databus.tx_hw_modem(true)
+                    elseif device.isWireless() then
+                        log.info("unused wireless modem reconnected")
                     else
                         log.info("wired modem reconnected")
                     end

supervisor/unit.lua

@@ -12,10 +12,12 @@ local rsctl = require("supervisor.session.rsctl")
 local unit = {}
 
 local WASTE_MODE    = types.WASTE_MODE
+local WASTE         = types.WASTE_PRODUCT
 local ALARM         = types.ALARM
 local PRIO          = types.ALARM_PRIORITY
 local ALARM_STATE   = types.ALARM_STATE
 local TRI_FAIL      = types.TRI_FAIL
+local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 
 local PLC_S_CMDS = plc.PLC_S_CMDS
 
@@ -68,10 +70,14 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         num_turbines = num_turbines,
         types = { DT_KEYS = DT_KEYS, AISTATE = AISTATE },
         -- rtus
+        rtu_list = {},
         redstone = {},
         boilers = {},
         turbines = {},
+        tanks = {},
+        snas = {},
         envd = {},
+        sna_prod_rate = 0,
         -- redstone control
         io_ctl = nil,   ---@type rs_controller
         valves = {},    ---@type unit_valves
@@ -89,7 +95,7 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         damage_start = 0,
         damage_last = 0,
         damage_est_last = 0,
-        waste_mode = WASTE_MODE.AUTO,
+        waste_product = WASTE.PLUTONIUM,    ---@type WASTE_PRODUCT
         status_text = { "UNKNOWN", "awaiting connection..." },
         -- logic for alarms
         had_reactor = false,
@@ -221,11 +227,15 @@ function unit.new(reactor_id, num_boilers, num_turbines)
                 degraded = false,
                 blade_count = 0,
                 br100 = 0,
-                lim_br100 = 0
+                lim_br100 = 0,
+                waste_mode = WASTE_MODE.AUTO    ---@type WASTE_MODE
             }
         }
     }
 
+    -- list for RTU session management
+    self.rtu_list = { self.redstone, self.boilers, self.turbines, self.tanks, self.snas, self.envd }
+
     -- init redstone RTU I/O controller
     self.io_ctl = rsctl.new(self.redstone)
 
@@ -341,13 +351,33 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         emer_cool = emer_cool
     }
 
-    --#endregion
+    -- route reactor waste for a given waste product
+    ---@param product WASTE_PRODUCT waste product to route valves for
+    local function _set_waste_valves(product)
+        self.waste_product = product
 
-    -- unlink disconnected units
-    ---@param sessions table
-    local function _unlink_disconnected_units(sessions)
-        util.filter_table(sessions, function (u) return u.is_connected() end)
+        if product == WASTE.PLUTONIUM then
+            -- route through plutonium generation
+            waste_pu.open()
+            waste_sna.close()
+            waste_po.close()
+            waste_sps.close()
+        elseif product == WASTE.POLONIUM then
+            -- route through polonium generation into pellets
+            waste_pu.close()
+            waste_sna.open()
+            waste_po.open()
+            waste_sps.close()
+        elseif product == WASTE.ANTI_MATTER then
+            -- route through polonium generation into SPS
+            waste_pu.close()
+            waste_sna.open()
+            waste_po.close()
+            waste_sps.open()
         end
+    end
+
+    --#endregion
 
     -- PUBLIC FUNCTIONS --
 
@@ -378,11 +408,12 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         table.insert(self.redstone, rs_unit)
 
         -- send or re-send waste settings
-        public.set_waste(self.waste_mode)
+        _set_waste_valves(self.waste_product)
     end
 
     -- link a turbine RTU session
     ---@param turbine unit_session
+    ---@return boolean linked turbine accepted to associated device slot
     function public.add_turbine(turbine)
         if #self.turbines < num_turbines and turbine.get_device_idx() <= num_turbines then
             table.insert(self.turbines, turbine)
@@ -392,13 +423,12 @@ function unit.new(reactor_id, num_boilers, num_turbines)
             _reset_dt(DT_KEYS.TurbinePower .. turbine.get_device_idx())
 
             return true
-        else
-            return false
-        end
+        else return false end
     end
 
     -- link a boiler RTU session
     ---@param boiler unit_session
+    ---@return boolean linked boiler accepted to associated device slot
     function public.add_boiler(boiler)
         if #self.boilers < num_boilers and boiler.get_device_idx() <= num_boilers then
             table.insert(self.boilers, boiler)
@@ -410,24 +440,37 @@ function unit.new(reactor_id, num_boilers, num_turbines)
             _reset_dt(DT_KEYS.BoilerHCool .. boiler.get_device_idx())
 
             return true
-        else
-            return false
+        else return false end
     end
+
+    -- link a dynamic tank RTU session
+    ---@param dynamic_tank unit_session
+    ---@return boolean linked dynamic tank accepted (max 1)
+    function public.add_tank(dynamic_tank)
+        if #self.tanks == 0 then
+            table.insert(self.tanks, dynamic_tank)
+            return true
+        else return false end
     end
 
+    -- link a solar neutron activator RTU session
+    ---@param sna unit_session
+    function public.add_sna(sna) table.insert(self.snas, sna) end
+
     -- link an environment detector RTU session
     ---@param envd unit_session
+    ---@return boolean linked environment detector accepted (max 1)
     function public.add_envd(envd)
+        if #self.envd == 0 then
             table.insert(self.envd, envd)
+            return true
+        else return false end
     end
 
     -- purge devices associated with the given RTU session ID
     ---@param session integer RTU session ID
     function public.purge_rtu_devices(session)
-        util.filter_table(self.redstone, function (s) return s.get_session_id() ~= session end)
-        util.filter_table(self.boilers,  function (s) return s.get_session_id() ~= session end)
-        util.filter_table(self.turbines, function (s) return s.get_session_id() ~= session end)
-        util.filter_table(self.envd,     function (s) return s.get_session_id() ~= session end)
+        for _, v in pairs(self.rtu_list) do util.filter_table(v, function (s) return s.get_session_id() ~= session end) end
     end
 
     --#endregion
@@ -445,10 +488,7 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         end
 
         -- unlink RTU unit sessions if they are closed
-        _unlink_disconnected_units(self.redstone)
-        _unlink_disconnected_units(self.boilers)
-        _unlink_disconnected_units(self.turbines)
-        _unlink_disconnected_units(self.envd)
+        for _, v in pairs(self.rtu_list) do util.filter_table(v, function (u) return u.is_connected() end) end
 
         -- update degraded state for auto control
         self.db.control.degraded = (#self.boilers ~= num_boilers) or (#self.turbines ~= num_turbines) or (self.plc_i == nil)
@@ -577,6 +617,15 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         end
     end
 
+    -- set automatic waste product if mode is set to auto
+    ---@param product WASTE_PRODUCT waste product to generate
+    function public.auto_set_waste(product)
+        if self.db.control.waste_mode == WASTE_MODE.AUTO then
+            self.waste_product = product
+            _set_waste_valves(product)
+        end
+    end
+
     --#endregion
 
     -- OPERATIONS --
@@ -621,34 +670,18 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         end
     end
 
-    -- route reactor waste
-    ---@param mode WASTE_MODE waste handling mode
-    function public.set_waste(mode)
-        if mode == WASTE_MODE.AUTO then
-            ---@todo automatic waste routing
-            self.waste_mode = mode
-        elseif mode == WASTE_MODE.PLUTONIUM then
-            -- route through plutonium generation
-            self.waste_mode = mode
-            waste_pu.open()
-            waste_sna.close()
-            waste_po.close()
-            waste_sps.close()
-        elseif mode == WASTE_MODE.POLONIUM then
-            -- route through polonium generation into pellets
-            self.waste_mode = mode
-            waste_pu.close()
-            waste_sna.open()
-            waste_po.open()
-            waste_sps.close()
-        elseif mode == WASTE_MODE.ANTI_MATTER then
-            -- route through polonium generation into SPS
-            self.waste_mode = mode
-            waste_pu.close()
-            waste_sna.open()
-            waste_po.close()
-            waste_sps.open()
-        else
+    -- set waste processing mode
+    ---@param mode WASTE_MODE processing mode
+    function public.set_waste_mode(mode)
+        self.db.control.waste_mode = mode
+
+        if mode == WASTE_MODE.MANUAL_PLUTONIUM then
+            _set_waste_valves(WASTE.PLUTONIUM)
+        elseif mode == WASTE_MODE.MANUAL_POLONIUM then
+            _set_waste_valves(WASTE.POLONIUM)
+        elseif mode == WASTE_MODE.MANUAL_ANTI_MATTER then
+            _set_waste_valves(WASTE.ANTI_MATTER)
+        elseif mode > WASTE_MODE.MANUAL_ANTI_MATTER then
             log.debug(util.c("invalid waste mode setting ", mode))
         end
     end
@@ -686,21 +719,25 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         return false
     end
 
-    -- get build properties of all machines
+    -- get build properties of machines
+    --
+    -- filter options
+    -- - nil to include all builds
+    -- - -1 to include only PLC build
+    -- - RTU_UNIT_TYPE to include all builds of machines of that type
     ---@nodiscard
-    ---@param inc_plc boolean? true/nil to include PLC build, false to exclude
-    ---@param inc_boilers boolean? true/nil to include boiler builds, false to exclude
-    ---@param inc_turbines boolean? true/nil to include turbine builds, false to exclude
-    function public.get_build(inc_plc, inc_boilers, inc_turbines)
+    ---@param filter -1|RTU_UNIT_TYPE? filter as described above
+    function public.get_build(filter)
+        local all = filter == nil
         local build = {}
 
-        if inc_plc ~= false then
+        if all or (filter == -1) then
             if self.plc_i ~= nil then
                 build.reactor = self.plc_i.get_struct()
             end
         end
 
-        if inc_boilers ~= false then
+        if all or (filter == RTU_UNIT_TYPE.BOILER_VALVE) then
             build.boilers = {}
             for i = 1, #self.boilers do
                 local boiler = self.boilers[i]      ---@type unit_session
@@ -708,7 +745,7 @@ function unit.new(reactor_id, num_boilers, num_turbines)
             end
         end
 
-        if inc_turbines ~= false then
+        if all or (filter == RTU_UNIT_TYPE.TURBINE_VALVE) then
             build.turbines = {}
             for i = 1, #self.turbines do
                 local turbine = self.turbines[i]    ---@type unit_session
@@ -716,6 +753,14 @@ function unit.new(reactor_id, num_boilers, num_turbines)
             end
         end
 
+        if all or (filter == RTU_UNIT_TYPE.DYNAMIC_VALVE) then
+            build.tanks = {}
+            for i = 1, #self.tanks do
+                local tank = self.tanks[i]          ---@type unit_session
+                build.tanks[tank.get_device_idx()] = { tank.get_db().formed, tank.get_db().build }
+            end
+        end
+
         return build
     end
 
@@ -730,6 +775,14 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         return status
     end
 
+    -- get the current burn rate (actual rate)
+    ---@nodiscard
+    function public.get_burn_rate()
+        local rate = 0
+        if self.plc_i ~= nil then rate = self.plc_i.get_status().act_burn_rate end
+        return rate or 0
+    end
+
     -- get RTU statuses
     ---@nodiscard
     function public.get_rtu_statuses()
@@ -739,39 +792,53 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         status.boilers = {}
         for i = 1, #self.boilers do
             local boiler = self.boilers[i]      ---@type unit_session
-            status.boilers[boiler.get_device_idx()] = {
-                boiler.is_faulted(),
-                boiler.get_db().formed,
-                boiler.get_db().state,
-                boiler.get_db().tanks
-            }
+            local db     = boiler.get_db()      ---@type boilerv_session_db
+            status.boilers[boiler.get_device_idx()] = { boiler.is_faulted(), db.formed, db.state, db.tanks }
         end
 
         -- status of turbines (including tanks)
         status.turbines = {}
         for i = 1, #self.turbines do
             local turbine = self.turbines[i]    ---@type unit_session
-            status.turbines[turbine.get_device_idx()] = {
-                turbine.is_faulted(),
-                turbine.get_db().formed,
-                turbine.get_db().state,
-                turbine.get_db().tanks
-            }
+            local db      = turbine.get_db()    ---@type turbinev_session_db
+            status.turbines[turbine.get_device_idx()] = { turbine.is_faulted(), db.formed, db.state, db.tanks }
         end
 
+        -- status of dynamic tanks
+        status.tanks = {}
+        for i = 1, #self.tanks do
+            local tank = self.tanks[i]  ---@type unit_session
+            local db   = tank.get_db()  ---@type dynamicv_session_db
+            status.tanks[tank.get_device_idx()] = { tank.is_faulted(), db.formed, db.state, db.tanks }
+        end
+
+        -- basic SNA statistical information
+        status.sna = { #self.snas, public.get_sna_rate() }
+
         -- radiation monitors (environment detectors)
         status.rad_mon = {}
         for i = 1, #self.envd do
             local envd = self.envd[i]   ---@type unit_session
-            status.rad_mon[envd.get_device_idx()] = {
-                envd.is_faulted(),
-                envd.get_db().radiation
-            }
+            status.rad_mon[envd.get_device_idx()] = { envd.is_faulted(), envd.get_db().radiation }
         end
 
         return status
     end
 
+    -- get the current total [max] production rate is
+    ---@nodiscard
+    ---@return number total_avail_rate
+    function public.get_sna_rate()
+        local total_avail_rate = 0
+
+        for i = 1, #self.snas do
+            local db = self.snas[i].get_db()    ---@type sna_session_db
+            total_avail_rate = total_avail_rate + db.state.production_rate
+        end
+
+        return total_avail_rate
+    end
+
     -- get the annunciator status
     ---@nodiscard
     function public.get_annunciator() return self.db.annunciator end
@@ -787,7 +854,14 @@ function unit.new(reactor_id, num_boilers, num_turbines)
     -- get unit state
     ---@nodiscard
     function public.get_state()
-        return { self.status_text[1], self.status_text[2], self.waste_mode, self.db.control.ready, self.db.control.degraded }
+        return {
+            self.status_text[1],
+            self.status_text[2],
+            self.db.control.ready,
+            self.db.control.degraded,
+            self.db.control.waste_mode,
+            self.waste_product
+        }
     end
 
     -- get the reactor ID