Merge pull request #472 from MikaylaFischler/pocket-alpha-dev

Work on Pocket Alpha App

coordinator/coordinator.lua

@@ -279,11 +279,12 @@ function coordinator.comms(version, nic, sv_watchdog)
     -- send an API establish request response
     ---@param packet scada_packet
     ---@param ack ESTABLISH_ACK
-    local function _send_api_establish_ack(packet, ack)
+    ---@param data any?
+    local function _send_api_establish_ack(packet, ack, data)
         local s_pkt = comms.scada_packet()
         local m_pkt = comms.mgmt_packet()
 
-        m_pkt.make(MGMT_TYPE.ESTABLISH, { ack })
+        m_pkt.make(MGMT_TYPE.ESTABLISH, { ack, data })
         s_pkt.make(packet.src_addr(), packet.seq_num() + 1, PROTOCOL.SCADA_MGMT, m_pkt.raw_sendable())
 
         nic.transmit(config.PKT_Channel, config.CRD_Channel, s_pkt)
@@ -470,10 +471,11 @@ function coordinator.comms(version, nic, sv_watchdog)
                     elseif packet.type == MGMT_TYPE.ESTABLISH then
                         -- establish a new session
                         -- validate packet and continue
-                        if packet.length == 3 and type(packet.data[1]) == "string" and type(packet.data[2]) == "string" then
-                            local comms_v = packet.data[1]
-                            local firmware_v = packet.data[2]
+                        if packet.length == 4 then
+                            local comms_v = util.strval(packet.data[1])
+                            local firmware_v = util.strval(packet.data[2])
                             local dev_type = packet.data[3]
+                            local api_v = util.strval(packet.data[4])
 
                             if comms_v ~= comms.version then
                                 if self.last_api_est_acks[src_addr] ~= ESTABLISH_ACK.BAD_VERSION then
@@ -481,12 +483,19 @@ function coordinator.comms(version, nic, sv_watchdog)
                                 end
 
                                 _send_api_establish_ack(packet.scada_frame, ESTABLISH_ACK.BAD_VERSION)
+                            elseif api_v ~= comms.api_version then
+                                if self.last_api_est_acks[src_addr] ~= ESTABLISH_ACK.BAD_API_VERSION then
+                                    log.info(util.c("dropping API establish packet with incorrect api version v", api_v, " (expected v", comms.api_version, ")"))
+                                end
+
+                                _send_api_establish_ack(packet.scada_frame, ESTABLISH_ACK.BAD_API_VERSION)
                             elseif dev_type == DEVICE_TYPE.PKT then
                                 -- pocket linking request
                                 local id = apisessions.establish_session(src_addr, firmware_v)
                                 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)
+                                local conf = iocontrol.get_db().facility.conf
+                                _send_api_establish_ack(packet.scada_frame, ESTABLISH_ACK.ALLOW, { conf.num_units, conf.cooling })
                             else
                                 log.debug(util.c("API_ESTABLISH: illegal establish packet for device ", dev_type, " on pocket channel"))
                                 _send_api_establish_ack(packet.scada_frame, ESTABLISH_ACK.DENY)

coordinator/iocontrol.lua

@@ -67,6 +67,7 @@ function iocontrol.init(conf, comms, temp_scale)
     -- facility data structure
     ---@class ioctl_facility
     io.facility = {
+        conf = conf,
         num_units = conf.num_units,
         tank_mode = conf.cooling.fac_tank_mode,
         tank_defs = conf.cooling.fac_tank_defs,
@@ -279,18 +280,18 @@ function iocontrol.init(conf, comms, temp_scale)
 
             ---@type alarms
             alarms = {
-                ALARM_STATE.INACTIVE,   -- containment breach
-                ALARM_STATE.INACTIVE,   -- containment radiation
-                ALARM_STATE.INACTIVE,   -- reactor lost
-                ALARM_STATE.INACTIVE,   -- damage critical
-                ALARM_STATE.INACTIVE,   -- reactor taking damage
-                ALARM_STATE.INACTIVE,   -- reactor over temperature
-                ALARM_STATE.INACTIVE,   -- reactor high temperature
-                ALARM_STATE.INACTIVE,   -- waste leak
-                ALARM_STATE.INACTIVE,   -- waste level high
-                ALARM_STATE.INACTIVE,   -- RPS transient
-                ALARM_STATE.INACTIVE,   -- RCS transient
-                ALARM_STATE.INACTIVE    -- turbine trip
+                ALARM_STATE.INACTIVE, -- containment breach
+                ALARM_STATE.INACTIVE, -- containment radiation
+                ALARM_STATE.INACTIVE, -- reactor lost
+                ALARM_STATE.INACTIVE, -- damage critical
+                ALARM_STATE.INACTIVE, -- reactor taking damage
+                ALARM_STATE.INACTIVE, -- reactor over temperature
+                ALARM_STATE.INACTIVE, -- reactor high temperature
+                ALARM_STATE.INACTIVE, -- waste leak
+                ALARM_STATE.INACTIVE, -- waste level high
+                ALARM_STATE.INACTIVE, -- RPS transient
+                ALARM_STATE.INACTIVE, -- RCS transient
+                ALARM_STATE.INACTIVE  -- turbine trip
             },
 
             annunciator = {},   ---@type annunciator

coordinator/session/pocket.lua

@@ -8,7 +8,7 @@ local iocontrol = require("coordinator.iocontrol")
 local pocket = {}
 
 local PROTOCOL = comms.PROTOCOL
--- local CRDN_TYPE = comms.CRDN_TYPE
+local CRDN_TYPE = comms.CRDN_TYPE
 local MGMT_TYPE = comms.MGMT_TYPE
 
 -- retry time constants in ms
@@ -73,18 +73,18 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
     end
 
     -- send a CRDN packet
-    -----@param msg_type CRDN_TYPE
-    -----@param msg table
-    -- local function _send(msg_type, msg)
-    --     local s_pkt = comms.scada_packet()
-    --     local c_pkt = comms.crdn_packet()
+    ---@param msg_type CRDN_TYPE
+    ---@param msg table
+    local function _send(msg_type, msg)
+        local s_pkt = comms.scada_packet()
+        local c_pkt = comms.crdn_packet()
 
-    --     c_pkt.make(msg_type, msg)
-    --     s_pkt.make(self.seq_num, PROTOCOL.SCADA_CRDN, c_pkt.raw_sendable())
+        c_pkt.make(msg_type, msg)
+        s_pkt.make(s_addr, self.seq_num, PROTOCOL.SCADA_CRDN, c_pkt.raw_sendable())
 
-    --     out_queue.push_packet(s_pkt)
-    --     self.seq_num = self.seq_num + 1
-    -- end
+        out_queue.push_packet(s_pkt)
+        self.seq_num = self.seq_num + 1
+    end
 
     -- send a SCADA management packet
     ---@param msg_type MGMT_TYPE
@@ -120,8 +120,39 @@ function pocket.new_session(id, s_addr, in_queue, out_queue, timeout)
         if pkt.scada_frame.protocol() == PROTOCOL.SCADA_CRDN then
             ---@cast pkt crdn_frame
 
+            local db = iocontrol.get_db()
+
             -- handle packet by type
-            if pkt.type == nil then
+            if pkt.type == CRDN_TYPE.API_GET_FAC then
+                local fac = db.facility
+
+                local data = {
+                    fac.all_sys_ok,
+                    fac.rtu_count,
+                    fac.radiation,
+                    { fac.auto_ready, fac.auto_active, fac.auto_ramping, fac.auto_saturated },
+                    { fac.auto_current_waste_product, fac.auto_pu_fallback_active },
+                    util.table_len(fac.tank_data_tbl),
+                    fac.induction_data_tbl[1] ~= nil,
+                    fac.sps_data_tbl[1] ~= nil,
+                }
+
+                _send(CRDN_TYPE.API_GET_FAC, data)
+            elseif pkt.type == CRDN_TYPE.API_GET_UNITS then
+                local data = {}
+
+                for i = 1, #db.units do
+                    local u = db.units[i]   ---@type ioctl_unit
+                    table.insert(data, {
+                        u.unit_id,
+                        u.num_boilers,
+                        u.num_turbines,
+                        u.num_snas,
+                        u.has_tank
+                    })
+                end
+
+                _send(CRDN_TYPE.API_GET_UNITS, data)
             else
                 log.debug(log_header .. "handler received unsupported CRDN packet type " .. pkt.type)
             end

graphics/core.lua

@@ -7,7 +7,7 @@ local flasher = require("graphics.flasher")
 
 local core = {}
 
-core.version = "2.2.2"
+core.version = "2.2.3"
 
 core.flasher = flasher
 core.events = events

graphics/element.lua

@@ -49,9 +49,11 @@ local element = {}
 ---|indicator_light_args
 ---|power_indicator_args
 ---|rad_indicator_args
+---|signal_bar_args
 ---|state_indicator_args
 ---|tristate_indicator_light_args
 ---|vbar_args
+---|app_multipane_args
 ---|colormap_args
 ---|displaybox_args
 ---|div_args

graphics/elements/appmultipane.lua

@@ -0,0 +1,109 @@
+-- App Page Multi-Pane Display Graphics Element
+
+local util    = require("scada-common.util")
+
+local core    = require("graphics.core")
+local element = require("graphics.element")
+local events  = require("graphics.events")
+
+local MOUSE_CLICK = core.events.MOUSE_CLICK
+
+---@class app_multipane_args
+---@field panes table panes to swap between
+---@field nav_colors cpair on/off colors (a/b respectively) for page navigator
+---@field scroll_nav boolean? true to allow scrolling to change the active pane
+---@field drag_nav boolean? true to allow mouse dragging to change the active pane (on mouse up)
+---@field callback function? function to call when pane is changed by mouse interaction
+---@field parent graphics_element
+---@field id? string element id
+---@field x? 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
+---@field fg_bg? cpair foreground/background colors
+---@field hidden? boolean true to hide on initial draw
+
+-- new app multipane element
+---@nodiscard
+---@param args app_multipane_args
+---@return graphics_element element, element_id id
+local function multipane(args)
+    element.assert(type(args.panes) == "table", "panes is a required field")
+
+    -- create new graphics element base object
+    local e = element.new(args)
+
+    e.value = 1
+
+    local nav_x_start = math.floor((e.frame.w / 2) - (#args.panes / 2)) + 1
+    local nav_x_end   = math.floor((e.frame.w / 2) - (#args.panes / 2)) + #args.panes
+
+    -- show the selected pane
+    function e.redraw()
+        for i = 1, #args.panes do args.panes[i].hide() end
+        args.panes[e.value].show()
+
+        -- draw page indicator dots
+        for i = 1, #args.panes do
+            e.w_set_cur(nav_x_start + (i - 1), e.frame.h)
+            e.w_set_fgd(util.trinary(i == e.value, args.nav_colors.color_a, args.nav_colors.color_b))
+            e.w_write("\x07")
+        end
+    end
+
+    -- handle mouse interaction
+    ---@param event mouse_interaction mouse event
+    function e.handle_mouse(event)
+        local initial = e.value
+
+        if e.enabled then
+            if event.current.y == e.frame.h and event.current.x >= nav_x_start and event.current.x <= nav_x_end then
+                local id = event.current.x - nav_x_start + 1
+
+                if event.type == MOUSE_CLICK.TAP then
+                    e.set_value(id)
+                elseif event.type == MOUSE_CLICK.UP then
+                    e.set_value(id)
+                end
+            end
+        end
+
+        if args.scroll_nav then
+            if event.type == events.MOUSE_CLICK.SCROLL_DOWN then
+                e.set_value(e.value + 1)
+            elseif event.type == events.MOUSE_CLICK.SCROLL_UP then
+                e.set_value(e.value - 1)
+            end
+        end
+
+        if args.drag_nav then
+            local x1, x2 = event.initial.x, event.current.x
+            if event.type == events.MOUSE_CLICK.UP and e.in_frame_bounds(x1, event.initial.y) and e.in_frame_bounds(x1, event.current.y) then
+                if x2 > x1 then
+                    e.set_value(e.value - 1)
+                elseif x2 < x1 then
+                    e.set_value(e.value + 1)
+                end
+            end
+        end
+
+        if e.value ~= initial and type(args.callback) == "function" then args.callback(e.value) end
+    end
+
+    -- select which pane is shown
+    ---@param value integer pane to show
+    function e.set_value(value)
+        if (e.value ~= value) and (value > 0) and (value <= #args.panes) then
+            e.value = value
+            e.redraw()
+        end
+    end
+
+    -- initial draw
+    e.redraw()
+
+    return e.complete()
+end
+
+return multipane

graphics/elements/controls/switch_button.lua

@@ -65,7 +65,7 @@ local function switch_button(args)
         end
     end
 
-    -- set the value
+    -- set the value (does not call the callback)
     ---@param val boolean new value
     function e.set_value(val)
         e.value = val

graphics/elements/indicators/signal.lua

@@ -0,0 +1,85 @@
+-- Signal Bars Graphics Element
+
+local util    = require("scada-common.util")
+
+local element = require("graphics.element")
+
+---@class signal_bar_args
+---@field compact? boolean true to use a single character (works better against edges that extend out colors)
+---@field colors_low_med? cpair color a for low signal quality, color b for medium signal quality
+---@field disconnect_color? color color for the 'x' on disconnect
+---@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 (foreground is used for high signal quality)
+---@field hidden? boolean true to hide on initial draw
+
+-- new signal bar
+---@nodiscard
+---@param args signal_bar_args
+---@return graphics_element element, element_id id
+local function signal_bar(args)
+    args.height = 1
+    args.width = util.trinary(args.compact, 1, 2)
+
+    -- create new graphics element base object
+    local e = element.new(args)
+
+    e.value = 0
+
+    local blit_bkg = args.fg_bg.blit_bkg
+    local blit_0, blit_1, blit_2, blit_3 = args.fg_bg.blit_fgd, args.fg_bg.blit_fgd, args.fg_bg.blit_fgd, args.fg_bg.blit_fgd
+
+    if type(args.colors_low_med) == "table" then
+        blit_1 = args.colors_low_med.blit_a or blit_1
+        blit_2 = args.colors_low_med.blit_b or blit_2
+    end
+
+    if util.is_int(args.disconnect_color) then blit_0 = colors.toBlit(args.disconnect_color) end
+
+    -- on state change (0 = offline, 1 through 3 = low to high signal)
+    ---@param new_state integer signal state
+    function e.on_update(new_state)
+        e.value = new_state
+        e.redraw()
+    end
+
+    -- set signal state (0 = offline, 1 through 3 = low to high signal)
+    ---@param val integer signal state
+    function e.set_value(val) e.on_update(val) end
+
+    -- draw label and signal bar
+    function e.redraw()
+        e.w_set_cur(1, 1)
+
+        if args.compact then
+            if e.value == 1 then
+                e.w_blit("\x90", blit_1, blit_bkg)
+            elseif e.value == 2 then
+                e.w_blit("\x94", blit_2, blit_bkg)
+            elseif e.value == 3 then
+                e.w_blit("\x95", blit_3, blit_bkg)
+            else
+                e.w_blit("x", blit_0, blit_bkg)
+            end
+        else
+            if e.value == 1 then
+                e.w_blit("\x9f ", blit_bkg .. blit_bkg, blit_1 .. blit_bkg)
+            elseif e.value == 2 then
+                e.w_blit("\x9f\x94", blit_bkg .. blit_2, blit_2 .. blit_bkg)
+            elseif e.value == 3 then
+                e.w_blit("\x9f\x81", blit_bkg .. blit_bkg, blit_3 .. blit_3)
+            else
+                e.w_blit(" x", blit_0 .. blit_0, blit_bkg .. blit_bkg)
+            end
+        end
+    end
+
+    -- initial draw
+    e.redraw()
+
+    return e.complete()
+end
+
+return signal_bar

pocket/iocontrol.lua

@@ -2,18 +2,17 @@
 -- I/O Control for Pocket Integration with Supervisor & Coordinator
 --
 
-local psil = require("scada-common.psil")
-
+local log   = require("scada-common.log")
+local psil  = require("scada-common.psil")
 local types = require("scada-common.types")
 
 local ALARM = types.ALARM
 
-local iocontrol = {}
+---@todo nominal trip time is ping (0ms to 10ms usually)
+local WARN_TT = 40
+local HIGH_TT = 80
 
----@class pocket_ioctl
-local io = {
-    ps = psil.create()
-}
+local iocontrol = {}
 
 ---@enum POCKET_LINK_STATE
 local LINK_STATE = {
@@ -23,23 +22,175 @@ local LINK_STATE = {
     LINKED = 3
 }
 
----@enum NAV_PAGE
-local NAV_PAGE = {
-    HOME = 1,
+iocontrol.LINK_STATE = LINK_STATE
+
+---@enum POCKET_APP_ID
+local APP_ID = {
+    ROOT = 1,
+    -- main app page
     UNITS = 2,
-    REACTORS = 3,
-    BOILERS = 4,
-    TURBINES = 5,
-    DIAG = 6,
-    D_ALARMS = 7
+    ABOUT = 3,
+    -- diag app page
+    ALARMS = 4,
+    -- other
+    DUMMY = 5,
+    NUM_APPS = 5
 }
 
-iocontrol.LINK_STATE = LINK_STATE
-iocontrol.NAV_PAGE = NAV_PAGE
+iocontrol.APP_ID = APP_ID
+
+---@class pocket_ioctl
+local io = {
+    version = "unknown",
+    ps = psil.create()
+}
+
+---@class nav_tree_page
+---@field _p nav_tree_page|nil page's parent
+---@field _c table page's children
+---@field nav_to function function to navigate to this page
+---@field switcher function|nil function to switch between children
+---@field tasks table tasks to run while viewing this page
+
+-- allocate the page navigation system
+function iocontrol.alloc_nav()
+    local self = {
+        pane = nil, ---@type graphics_element
+        apps = {},
+        containers = {},
+        cur_app = APP_ID.ROOT
+    }
+
+    self.cur_page = self.root
+
+    ---@class pocket_nav
+    io.nav = {}
+
+    -- set the root pane element to switch between apps with
+    ---@param root_pane graphics_element
+    function io.nav.set_pane(root_pane)
+        self.pane = root_pane
+    end
+
+    -- register an app
+    ---@param app_id POCKET_APP_ID app ID
+    ---@param container graphics_element element that contains this app (usually a Div)
+    ---@param pane graphics_element? multipane if this is a simple paned app, then nav_to must be a number
+    function io.nav.register_app(app_id, container, pane)
+        ---@class pocket_app
+        local app = {
+            root = { _p = nil, _c = {}, nav_to = function () end, tasks = {} }, ---@type nav_tree_page
+            cur_page = nil, ---@type nav_tree_page
+            pane = pane,
+            paned_pages = {}
+        }
+
+        -- delayed set of the pane if it wasn't ready at the start
+        ---@param root_pane graphics_element multipane
+        function app.set_root_pane(root_pane)
+            app.pane = root_pane
+        end
+
+        -- if a pane was provided, this will switch between numbered pages
+        ---@param idx integer page index
+        function app.switcher(idx)
+            if app.paned_pages[idx] then
+                app.paned_pages[idx].nav_to()
+            end
+        end
+
+        -- create a new page entry in the app's page navigation tree
+        ---@param parent nav_tree_page? a parent page or nil to set this as the root
+        ---@param nav_to function|integer function to navigate to this page or pane index
+        ---@return nav_tree_page new_page this new page
+        function app.new_page(parent, nav_to)
+            ---@type nav_tree_page
+            local page = { _p = parent, _c = {}, nav_to = function () end, switcher = function () end, tasks = {} }
+
+            if parent == nil then
+                app.root = page
+                if app.cur_page == nil then app.cur_page = page end
+            end
+
+            if type(nav_to) == "number" then
+                app.paned_pages[nav_to] = page
+
+                function page.nav_to()
+                    app.cur_page = page
+                    if app.pane then app.pane.set_value(nav_to) end
+                end
+            else
+                function page.nav_to()
+                    app.cur_page = page
+                    nav_to()
+                end
+            end
+
+            -- switch between children
+            ---@param id integer child ID
+            function page.switcher(id) if page._c[id] then page._c[id].nav_to() end end
+
+            if parent ~= nil then
+                table.insert(page._p._c, page)
+            end
+
+            return page
+        end
+
+        -- get the currently active page
+        function app.get_current_page() return app.cur_page end
+
+        -- attempt to navigate up the tree
+        ---@return boolean success true if successfully navigated up
+        function app.nav_up()
+            local parent = app.cur_page._p
+            if parent then parent.nav_to() end
+            return parent ~= nil
+        end
+
+        self.apps[app_id] = app
+        self.containers[app_id] = container
+
+        return app
+    end
+
+    -- get a list of the app containers (usually Div elements)
+    function io.nav.get_containers() return self.containers end
+
+    -- open a given app
+    ---@param app_id POCKET_APP_ID
+    function io.nav.open_app(app_id)
+        if self.apps[app_id] then
+            self.cur_app = app_id
+            self.pane.set_value(app_id)
+        else
+            log.debug("tried to open unknown app")
+        end
+    end
+
+    -- get the currently active page
+    ---@return nav_tree_page
+    function io.nav.get_current_page()
+        return self.apps[self.cur_app].get_current_page()
+    end
+
+    -- attempt to navigate up
+    function io.nav.nav_up()
+        local app = self.apps[self.cur_app] ---@type pocket_app
+        log.debug("attempting app nav up for app " .. self.cur_app)
+
+        if not app.nav_up() then
+            log.debug("internal app nav up failed, going to home screen")
+            io.nav.open_app(APP_ID.ROOT)
+        end
+    end
+end
 
 -- initialize facility-independent components of pocket iocontrol
 ---@param comms pocket_comms
 function iocontrol.init_core(comms)
+    iocontrol.alloc_nav()
+
     ---@class pocket_ioctl_diag
     io.diag = {}
 
@@ -76,29 +227,135 @@ function iocontrol.init_core(comms)
         alarm_buttons = {},
         tone_indicators = {}    -- indicators to update from supervisor tone states
     }
-
-    ---@class pocket_nav
-    io.nav = {
-        page = NAV_PAGE.HOME,   ---@type NAV_PAGE
-        sub_pages = { NAV_PAGE.HOME, NAV_PAGE.UNITS, NAV_PAGE.REACTORS, NAV_PAGE.BOILERS, NAV_PAGE.TURBINES, NAV_PAGE.DIAG },
-        tasks = {}
-    }
-
-    -- add a task to be performed periodically while on a given page
-    ---@param page NAV_PAGE page to add task to
-    ---@param task function function to execute
-    function io.nav.register_task(page, task)
-        if io.nav.tasks[page] == nil then io.nav.tasks[page] = {} end
-        table.insert(io.nav.tasks[page], task)
-    end
 end
 
 -- initialize facility-dependent components of pocket iocontrol
-function iocontrol.init_fac() end
+---@param conf facility_conf configuration
+---@param temp_scale 1|2|3|4 temperature unit (1 = K, 2 = C, 3 = F, 4 = R)
+function iocontrol.init_fac(conf, temp_scale)
+    -- temperature unit label and conversion function (from Kelvin)
+    if temp_scale == 2 then
+        io.temp_label = "\xb0C"
+        io.temp_convert = function (t) return t - 273.15 end
+    elseif temp_scale == 3 then
+        io.temp_label = "\xb0F"
+        io.temp_convert = function (t) return (1.8 * (t - 273.15)) + 32 end
+    elseif temp_scale == 4 then
+        io.temp_label = "\xb0R"
+        io.temp_convert = function (t) return 1.8 * t end
+    else
+        io.temp_label = "K"
+        io.temp_convert = function (t) return t end
+    end
+
+    -- facility data structure
+    ---@class pioctl_facility
+    io.facility = {
+        num_units = conf.num_units,
+        tank_mode = conf.cooling.fac_tank_mode,
+        tank_defs = conf.cooling.fac_tank_defs,
+        all_sys_ok = false,
+        rtu_count = 0,
+
+        auto_ready = false,
+        auto_active = false,
+        auto_ramping = false,
+        auto_saturated = false,
+
+        ---@type WASTE_PRODUCT
+        auto_current_waste_product = types.WASTE_PRODUCT.PLUTONIUM,
+        auto_pu_fallback_active = false,
+
+        radiation = types.new_zero_radiation_reading(),
+
+        ps = psil.create(),
+
+        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 = {}
+    }
+end
 
 -- set network link state
 ---@param state POCKET_LINK_STATE
-function iocontrol.report_link_state(state) io.ps.publish("link_state", state) end
+function iocontrol.report_link_state(state)
+    io.ps.publish("link_state", state)
+
+    if state == LINK_STATE.API_LINK_ONLY or state == LINK_STATE.UNLINKED then
+        io.ps.publish("svr_conn_quality", 0)
+    end
+
+    if state == LINK_STATE.SV_LINK_ONLY or state == LINK_STATE.UNLINKED then
+        io.ps.publish("crd_conn_quality", 0)
+    end
+end
+
+-- determine supervisor connection quality (trip time)
+---@param trip_time integer
+function iocontrol.report_svr_tt(trip_time)
+    local state = 3
+    if trip_time > HIGH_TT then
+        state = 1
+    elseif trip_time > WARN_TT then
+        state = 2
+    end
+
+    io.ps.publish("svr_conn_quality", state)
+end
+
+-- determine coordinator connection quality (trip time)
+---@param trip_time integer
+function iocontrol.report_crd_tt(trip_time)
+    local state = 3
+    if trip_time > HIGH_TT then
+        state = 1
+    elseif trip_time > WARN_TT then
+        state = 2
+    end
+
+    io.ps.publish("crd_conn_quality", state)
+end
+
+-- populate facility data from API_GET_FAC
+---@param data table
+---@return boolean valid
+function iocontrol.record_facility_data(data)
+    local valid = true
+
+    local fac = io.facility
+
+    fac.all_sys_ok = data[1]
+    fac.rtu_count = data[2]
+    fac.radiation = data[3]
+
+    -- auto control
+    if type(data[4]) == "table" and #data[4] == 4 then
+        fac.auto_ready = data[4][1]
+        fac.auto_active = data[4][2]
+        fac.auto_ramping = data[4][3]
+        fac.auto_saturated = data[4][4]
+    end
+
+    -- waste
+    if type(data[5]) == "table" and #data[5] == 2 then
+        fac.auto_current_waste_product = data[5][1]
+        fac.auto_pu_fallback_active = data[5][2]
+    end
+
+    fac.num_tanks = data[6]
+    fac.has_imatrix = data[7]
+    fac.has_sps = data[8]
+
+    return valid
+end
 
 -- get the IO controller database
 function iocontrol.get_db() return io end

pocket/pocket.lua

@@ -8,6 +8,7 @@ local PROTOCOL = comms.PROTOCOL
 local DEVICE_TYPE = comms.DEVICE_TYPE
 local ESTABLISH_ACK = comms.ESTABLISH_ACK
 local MGMT_TYPE = comms.MGMT_TYPE
+local CRDN_TYPE = comms.CRDN_TYPE
 
 local LINK_STATE = iocontrol.LINK_STATE
 
@@ -125,7 +126,7 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
 
     -- attempt coordinator API connection establishment
     local function _send_api_establish()
-        _send_crd(MGMT_TYPE.ESTABLISH, { comms.version, version, DEVICE_TYPE.PKT })
+        _send_crd(MGMT_TYPE.ESTABLISH, { comms.version, version, DEVICE_TYPE.PKT, comms.api_version })
     end
 
     -- keep alive ack to supervisor
@@ -246,6 +247,25 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
         return pkt
     end
 
+    ---@param packet mgmt_frame|crdn_frame
+    ---@param length integer
+    ---@param max integer?
+    ---@return boolean
+    local function _check_length(packet, length, max)
+        local ok = util.trinary(max == nil, packet.length == length, packet.length >= length and packet.length <= (max or 0))
+        if not ok then
+            local fmt = "[comms] RX_PACKET{r_chan=%d,proto=%d,type=%d}: packet length mismatch -> expect %d != actual %d"
+            log.debug(util.sprintf(fmt, packet.scada_frame.remote_channel(), packet.scada_frame.protocol(), packet.type))
+        end
+        return ok
+    end
+
+    ---@param packet mgmt_frame|crdn_frame
+    local function _fail_type(packet)
+        local fmt = "[comms] RX_PACKET{r_chan=%d,proto=%d,type=%d}: unrecognized packet type"
+        log.debug(util.sprintf(fmt, packet.scada_frame.remote_channel(), packet.scada_frame.protocol(), packet.type))
+    end
+
     -- handle a packet
     ---@param packet mgmt_frame|crdn_frame|nil
     function public.handle_packet(packet)
@@ -268,7 +288,7 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                     return
                 elseif self.api.linked and (src_addr ~= self.api.addr) then
                     log.debug("received packet from unknown computer " .. src_addr .. " while linked (API expected " .. self.api.addr ..
-                                "); channel in use by another system?")
+                              "); channel in use by another system?")
                     return
                 else
                     self.api.r_seq_num = packet.scada_frame.seq_num()
@@ -277,12 +297,24 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                 -- feed watchdog on valid sequence number
                 api_watchdog.feed()
 
-                if protocol == PROTOCOL.SCADA_MGMT then
+                if protocol == PROTOCOL.SCADA_CRDN then
+                    ---@cast packet crdn_frame
+                    if self.api.linked then
+                        if packet.type == CRDN_TYPE.API_GET_FAC then
+                            if _check_length(packet, 11) then
+                                iocontrol.record_facility_data(packet.data)
+                            end
+                        elseif packet.type == CRDN_TYPE.API_GET_UNITS then
+                        else _fail_type(packet) end
+                    else
+                        log.debug("discarding coordinator SCADA_CRDN packet before linked")
+                    end
+                elseif protocol == PROTOCOL.SCADA_MGMT then
                     ---@cast packet mgmt_frame
                     if self.api.linked then
                         if packet.type == MGMT_TYPE.KEEP_ALIVE then
                             -- keep alive request received, echo back
-                            if packet.length == 1 then
+                            if _check_length(packet, 1) then
                                 local timestamp = packet.data[1]
                                 local trip_time = util.time() - timestamp
 
@@ -290,11 +322,11 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                                     log.warning("pocket coordinator KEEP_ALIVE trip time > 750ms (" .. trip_time .. "ms)")
                                 end
 
-                                -- log.debug("pocket coordinator RTT = " .. trip_time .. "ms")
+                                -- log.debug("pocket coordinator TT = " .. trip_time .. "ms")
 
                                 _send_api_keep_alive_ack(timestamp)
-                            else
-                                log.debug("coordinator SCADA keep alive packet length mismatch")
+
+                                iocontrol.report_crd_tt(trip_time)
                             end
                         elseif packet.type == MGMT_TYPE.CLOSE then
                             -- handle session close
@@ -303,24 +335,38 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                             self.api.r_seq_num = nil
                             self.api.addr = comms.BROADCAST
                             log.info("coordinator server connection closed by remote host")
-                        else
-                            log.debug("received unknown SCADA_MGMT packet type " .. packet.type .. " from coordinator")
-                        end
+                        else _fail_type(packet) end
                     elseif packet.type == MGMT_TYPE.ESTABLISH then
                         -- connection with coordinator established
-                        if packet.length == 1 then
+                        if _check_length(packet, 1, 2) then
                             local est_ack = packet.data[1]
 
                             if est_ack == ESTABLISH_ACK.ALLOW then
-                                log.info("coordinator connection established")
-                                self.establish_delay_counter = 0
-                                self.api.linked = true
-                                self.api.addr = src_addr
+                                if packet.length == 2 then
+                                    local fac_config = packet.data[2]
 
-                                if self.sv.linked then
-                                    iocontrol.report_link_state(LINK_STATE.LINKED)
+                                    if type(fac_config) == "table" and #fac_config == 2 then
+                                        -- get configuration
+                                        local conf = { num_units = fac_config[1], cooling = fac_config[2] }
+
+                                        ---@todo unit options
+                                        iocontrol.init_fac(conf, 1)
+
+                                        log.info("coordinator connection established")
+                                        self.establish_delay_counter = 0
+                                        self.api.linked = true
+                                        self.api.addr = src_addr
+
+                                        if self.sv.linked then
+                                            iocontrol.report_link_state(LINK_STATE.LINKED)
+                                        else
+                                            iocontrol.report_link_state(LINK_STATE.API_LINK_ONLY)
+                                        end
+                                    else
+                                        log.debug("invalid facility configuration table received from coordinator, establish failed")
+                                    end
                                 else
-                                    iocontrol.report_link_state(LINK_STATE.API_LINK_ONLY)
+                                    log.debug("received coordinator establish allow without facility configuration")
                                 end
                             elseif est_ack == ESTABLISH_ACK.DENY then
                                 if self.api.last_est_ack ~= est_ack then
@@ -334,13 +380,15 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                                 if self.api.last_est_ack ~= est_ack then
                                     log.info("coordinator comms version mismatch")
                                 end
+                            elseif est_ack == ESTABLISH_ACK.BAD_API_VERSION then
+                                if self.api.last_est_ack ~= est_ack then
+                                    log.info("coordinator api version mismatch")
+                                end
                             else
                                 log.debug("coordinator SCADA_MGMT establish packet reply unsupported")
                             end
 
                             self.api.last_est_ack = est_ack
-                        else
-                            log.debug("coordinator SCADA_MGMT establish packet length mismatch")
                         end
                     else
                         log.debug("discarding coordinator non-link SCADA_MGMT packet before linked")
@@ -372,7 +420,7 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                     if self.sv.linked then
                         if packet.type == MGMT_TYPE.KEEP_ALIVE then
                             -- keep alive request received, echo back
-                            if packet.length == 1 then
+                            if _check_length(packet, 1) then
                                 local timestamp = packet.data[1]
                                 local trip_time = util.time() - timestamp
 
@@ -380,11 +428,11 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                                     log.warning("pocket supervisor KEEP_ALIVE trip time > 750ms (" .. trip_time .. "ms)")
                                 end
 
-                                -- log.debug("pocket supervisor RTT = " .. trip_time .. "ms")
+                                -- log.debug("pocket supervisor TT = " .. trip_time .. "ms")
 
                                 _send_sv_keep_alive_ack(timestamp)
-                            else
-                                log.debug("supervisor SCADA keep alive packet length mismatch")
+
+                                iocontrol.report_svr_tt(trip_time)
                             end
                         elseif packet.type == MGMT_TYPE.CLOSE then
                             -- handle session close
@@ -394,12 +442,10 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                             self.sv.addr = comms.BROADCAST
                             log.info("supervisor server connection closed by remote host")
                         elseif packet.type == MGMT_TYPE.DIAG_TONE_GET then
-                            if packet.length == 8 then
+                            if _check_length(packet, 8) then
                                 for i = 1, #packet.data do
                                     diag.tone_test.tone_indicators[i].update(packet.data[i] == true)
                                 end
-                            else
-                                log.debug("supervisor SCADA diag alarm states packet length mismatch")
                             end
                         elseif packet.type == MGMT_TYPE.DIAG_TONE_SET then
                             if packet.length == 1 and packet.data[1] == false then
@@ -438,12 +484,10 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                             else
                                 log.debug("supervisor SCADA diag alarm set packet length/type mismatch")
                             end
-                        else
-                            log.debug("received unknown SCADA_MGMT packet type " .. packet.type .. " from supervisor")
-                        end
+                        else _fail_type(packet) end
                     elseif packet.type == MGMT_TYPE.ESTABLISH then
                         -- connection with supervisor established
-                        if packet.length == 1 then
+                        if _check_length(packet, 1) then
                             local est_ack = packet.data[1]
 
                             if est_ack == ESTABLISH_ACK.ALLOW then
@@ -474,15 +518,11 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
                             end
 
                             self.sv.last_est_ack = est_ack
-                        else
-                            log.debug("supervisor SCADA_MGMT establish packet length mismatch")
                         end
                     else
                         log.debug("discarding supervisor non-link SCADA_MGMT packet before linked")
                     end
-                else
-                    log.debug("illegal packet type " .. protocol .. " from supervisor", true)
-                end
+                else _fail_type(packet) end
             else
                 log.debug("received packet from unconfigured channel " .. r_chan, true)
             end
@@ -500,5 +540,4 @@ function pocket.comms(version, nic, sv_watchdog, api_watchdog)
     return public
 end
 
-
 return pocket

pocket/startup.lua

@@ -18,7 +18,7 @@ local iocontrol = require("pocket.iocontrol")
 local pocket    = require("pocket.pocket")
 local renderer  = require("pocket.renderer")
 
-local POCKET_VERSION = "v0.7.3-alpha"
+local POCKET_VERSION = "v0.8.0-alpha"
 
 local println = util.println
 local println_ts = util.println_ts
@@ -68,6 +68,9 @@ local function main()
     -- mount connected devices
     ppm.mount_all()
 
+    -- record version for GUI
+    iocontrol.get_db().version = POCKET_VERSION
+
     ----------------------------------------
     -- setup communications & clocks
     ----------------------------------------
@@ -131,7 +134,7 @@ local function main()
         -- start connection watchdogs
         conn_wd.sv.feed()
         conn_wd.api.feed()
-        log.debug("startup> conn watchdog started")
+        log.debug("startup> conn watchdogs started")
 
         local io_db = iocontrol.get_db()
         local nav   = io_db.nav
@@ -149,11 +152,8 @@ local function main()
                     pocket_comms.link_update()
 
                     -- update any tasks for the active page
-                    if (type(nav.tasks[nav.page]) == "table") then
-                        for i = 1, #nav.tasks[nav.page] do
-                            nav.tasks[nav.page][i]()
-                        end
-                    end
+                    local page_tasks = nav.get_current_page().tasks
+                    for i = 1, #page_tasks do page_tasks[i]() end
 
                     loop_clock.start()
                 elseif conn_wd.sv.is_timer(param1) then

pocket/ui/apps/diag_apps.lua

@@ -1,58 +1,39 @@
+--
+-- Diagnostic Apps
+--
+
 local iocontrol      = require("pocket.iocontrol")
 
 local core           = require("graphics.core")
 
 local Div            = require("graphics.elements.div")
-local MultiPane      = require("graphics.elements.multipane")
 local TextBox        = require("graphics.elements.textbox")
 
 local IndicatorLight = require("graphics.elements.indicators.light")
 
-local App            = require("graphics.elements.controls.app")
 local Checkbox       = require("graphics.elements.controls.checkbox")
 local PushButton     = require("graphics.elements.controls.push_button")
 local SwitchButton   = require("graphics.elements.controls.switch_button")
 
 local cpair = core.cpair
 
-local NAV_PAGE = iocontrol.NAV_PAGE
-
 local ALIGN = core.ALIGN
 
--- new diagnostics page view
+-- create diagnostic app pages
 ---@param root graphics_element parent
-local function new_view(root)
+local function create_pages(root)
     local db = iocontrol.get_db()
 
-    local main = Div{parent=root,x=1,y=1}
-
-    local diag_home = Div{parent=main,x=1,y=1}
-
-    TextBox{parent=diag_home,text="Diagnostic Apps",x=1,y=2,height=1,alignment=ALIGN.CENTER}
-
-    local alarm_test = Div{parent=main,x=1,y=1}
-
-    local panes = { diag_home, alarm_test }
-
-    local page_pane = MultiPane{parent=main,x=1,y=1,panes=panes}
-
-    local function navigate_diag()
-        page_pane.set_value(1)
-        db.nav.page = NAV_PAGE.DIAG
-        db.nav.sub_pages[NAV_PAGE.DIAG] = NAV_PAGE.DIAG
-    end
-
-    local function navigate_alarm()
-        page_pane.set_value(2)
-        db.nav.page = NAV_PAGE.D_ALARMS
-        db.nav.sub_pages[NAV_PAGE.DIAG] = NAV_PAGE.D_ALARMS
-    end
-
     ------------------------
     -- Alarm Testing Page --
     ------------------------
 
-    db.nav.register_task(NAV_PAGE.D_ALARMS, db.diag.tone_test.get_tone_states)
+    local alarm_test = Div{parent=root,x=1,y=1}
+
+    local alarm_app = db.nav.register_app(iocontrol.APP_ID.ALARMS, alarm_test)
+
+    local page = alarm_app.new_page(nil, function () end)
+    page.tasks = { db.diag.tone_test.get_tone_states }
 
     local ttest = db.diag.tone_test
 
@@ -67,8 +48,6 @@ local function new_view(root)
 
     ttest.ready_warn = TextBox{parent=audio,y=2,text="",height=1,alignment=ALIGN.CENTER,fg_bg=cpair(colors.yellow,colors.black)}
 
-    PushButton{parent=audio,x=13,y=18,text="\x11 BACK",min_width=8,fg_bg=cpair(colors.black,colors.lightGray),active_fg_bg=c_wht_gray,callback=navigate_diag}
-
     local tones = Div{parent=audio,x=2,y=3,height=10,width=8,fg_bg=cpair(colors.black,colors.yellow)}
 
     TextBox{parent=tones,text="Tones",height=1,alignment=ALIGN.CENTER,fg_bg=audio.get_fg_bg()}
@@ -132,16 +111,6 @@ local function new_view(root)
     local t_8 = IndicatorLight{parent=states,x=6,label="8",colors=c_blue_gray}
 
     ttest.tone_indicators = { t_1, t_2, t_3, t_4, t_5, t_6, t_7, t_8 }
-
-    --------------
-    -- App List --
-    --------------
-
-    App{parent=diag_home,x=3,y=4,text="\x0f",title="Alarm",callback=navigate_alarm,app_fg_bg=cpair(colors.black,colors.red),active_fg_bg=cpair(colors.white,colors.gray)}
-    App{parent=diag_home,x=10,y=4,text="\x1e",title="LoopT",callback=function()end,app_fg_bg=cpair(colors.black,colors.cyan)}
-    App{parent=diag_home,x=17,y=4,text="@",title="Comps",callback=function()end,app_fg_bg=cpair(colors.black,colors.orange)}
-
-    return main
 end
 
-return new_view
+return create_pages

pocket/ui/apps/dummy_app.lua

@@ -0,0 +1,24 @@
+--
+-- Placeholder App
+--
+
+local iocontrol = require("pocket.iocontrol")
+
+local core      = require("graphics.core")
+
+local Div       = require("graphics.elements.div")
+local TextBox   = require("graphics.elements.textbox")
+
+-- create placeholder app page
+---@param root graphics_element parent
+local function create_pages(root)
+    local db = iocontrol.get_db()
+
+    local main = Div{parent=root,x=1,y=1}
+
+    db.nav.register_app(iocontrol.APP_ID.DUMMY, main).new_page(nil, function () end)
+
+    TextBox{parent=main,text="This app is not implemented yet.",x=1,y=2,alignment=core.ALIGN.CENTER}
+end
+
+return create_pages

pocket/ui/apps/sys_apps.lua

@@ -0,0 +1,102 @@
+--
+-- System Apps
+--
+
+local comms      = require("scada-common.comms")
+local lockbox    = require("lockbox")
+local util       = require("scada-common.util")
+
+local iocontrol  = require("pocket.iocontrol")
+
+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 PushButton = require("graphics.elements.controls.push_button")
+
+local cpair = core.cpair
+
+local ALIGN = core.ALIGN
+
+-- create system app pages
+---@param root graphics_element parent
+local function create_pages(root)
+    local db = iocontrol.get_db()
+
+    ----------------
+    -- About Page --
+    ----------------
+
+    local about_root = Div{parent=root,x=1,y=1}
+
+    local about_app = db.nav.register_app(iocontrol.APP_ID.ABOUT, about_root)
+
+    local about_page = about_app.new_page(nil, 1)
+    local fw_page = about_app.new_page(about_page, 2)
+    local hw_page = about_app.new_page(about_page, 3)
+
+    local about = Div{parent=about_root,x=1,y=2}
+
+    TextBox{parent=about,y=1,text="System Information",height=1,alignment=ALIGN.CENTER}
+
+    local btn_fg_bg = cpair(colors.lightBlue, colors.black)
+    local btn_active = cpair(colors.white, colors.black)
+    local label = cpair(colors.lightGray, colors.black)
+
+    PushButton{parent=about,x=2,y=3,text="Firmware            >",fg_bg=btn_fg_bg,active_fg_bg=btn_active,callback=fw_page.nav_to}
+    PushButton{parent=about,x=2,y=4,text="Host Details        >",fg_bg=btn_fg_bg,active_fg_bg=btn_active,callback=hw_page.nav_to}
+
+    local fw_div = Div{parent=about_root,x=1,y=2}
+    TextBox{parent=fw_div,y=1,text="Firmware Versions",height=1,alignment=ALIGN.CENTER}
+
+    PushButton{parent=fw_div,x=2,y=1,text="<",fg_bg=btn_fg_bg,active_fg_bg=btn_active,callback=about_page.nav_to}
+
+    local fw_list_box = ListBox{parent=fw_div,x=1,y=3,scroll_height=100,nav_fg_bg=cpair(colors.lightGray,colors.gray),nav_active=cpair(colors.white,colors.gray)}
+
+    local fw_list = Div{parent=fw_list_box,x=1,y=2,height=18}
+
+    TextBox{parent=fw_list,x=2,text="Pocket Version",height=1,alignment=ALIGN.LEFT,fg_bg=label}
+    TextBox{parent=fw_list,x=2,text=db.version,height=1,alignment=ALIGN.LEFT}
+
+    fw_list.line_break()
+    TextBox{parent=fw_list,x=2,text="Comms Version",height=1,alignment=ALIGN.LEFT,fg_bg=label}
+    TextBox{parent=fw_list,x=2,text=comms.version,height=1,alignment=ALIGN.LEFT}
+
+    fw_list.line_break()
+    TextBox{parent=fw_list,x=2,text="API Version",height=1,alignment=ALIGN.LEFT,fg_bg=label}
+    TextBox{parent=fw_list,x=2,text=comms.api_version,height=1,alignment=ALIGN.LEFT}
+
+    fw_list.line_break()
+    TextBox{parent=fw_list,x=2,text="Common Lib Version",height=1,alignment=ALIGN.LEFT,fg_bg=label}
+    TextBox{parent=fw_list,x=2,text=util.version,height=1,alignment=ALIGN.LEFT}
+
+    fw_list.line_break()
+    TextBox{parent=fw_list,x=2,text="Graphics Version",height=1,alignment=ALIGN.LEFT,fg_bg=label}
+    TextBox{parent=fw_list,x=2,text=core.version,height=1,alignment=ALIGN.LEFT}
+
+    fw_list.line_break()
+    TextBox{parent=fw_list,x=2,text="Lockbox Version",height=1,alignment=ALIGN.LEFT,fg_bg=label}
+    TextBox{parent=fw_list,x=2,text=lockbox.version,height=1,alignment=ALIGN.LEFT}
+
+    local hw_div = Div{parent=about_root,x=1,y=2}
+    TextBox{parent=hw_div,y=1,text="Host Versions",height=1,alignment=ALIGN.CENTER}
+
+    PushButton{parent=hw_div,x=2,y=1,text="<",fg_bg=btn_fg_bg,active_fg_bg=btn_active,callback=about_page.nav_to}
+
+    hw_div.line_break()
+    TextBox{parent=hw_div,x=2,text="Lua Version",height=1,alignment=ALIGN.LEFT,fg_bg=label}
+    TextBox{parent=hw_div,x=2,text=_VERSION,height=1,alignment=ALIGN.LEFT}
+
+    hw_div.line_break()
+    TextBox{parent=hw_div,x=2,text="Environment",height=1,alignment=ALIGN.LEFT,fg_bg=label}
+    TextBox{parent=hw_div,x=2,text=_HOST,height=6,alignment=ALIGN.LEFT}
+
+    local root_pane = MultiPane{parent=about_root,x=1,y=1,panes={about,fw_div,hw_div}}
+
+    about_app.set_root_pane(root_pane)
+end
+
+return create_pages

pocket/ui/main.lua

@@ -4,27 +4,29 @@
 
 local iocontrol    = require("pocket.iocontrol")
 
-local style        = require("pocket.ui.style")
+local diag_apps    = require("pocket.ui.apps.diag_apps")
+local dummy_app    = require("pocket.ui.apps.dummy_app")
+local sys_apps     = require("pocket.ui.apps.sys_apps")
 
 local conn_waiting = require("pocket.ui.components.conn_waiting")
 
-local boiler_page  = require("pocket.ui.pages.boiler_page")
-local diag_page    = require("pocket.ui.pages.diag_page")
 local home_page    = require("pocket.ui.pages.home_page")
-local reactor_page = require("pocket.ui.pages.reactor_page")
-local turbine_page = require("pocket.ui.pages.turbine_page")
 local unit_page    = require("pocket.ui.pages.unit_page")
 
+local style        = require("pocket.ui.style")
+
 local core         = require("graphics.core")
 
 local Div          = require("graphics.elements.div")
 local MultiPane    = require("graphics.elements.multipane")
 local TextBox      = require("graphics.elements.textbox")
 
+local PushButton   = require("graphics.elements.controls.push_button")
 local Sidebar      = require("graphics.elements.controls.sidebar")
 
+local SignalBar    = require("graphics.elements.indicators.signal")
+
 local LINK_STATE = iocontrol.LINK_STATE
-local NAV_PAGE   = iocontrol.NAV_PAGE
 
 local ALIGN = core.ALIGN
 
@@ -33,26 +35,27 @@ local cpair = core.cpair
 -- create new main view
 ---@param main graphics_element main displaybox
 local function init(main)
-    local nav = iocontrol.get_db().nav
-    local ps  = iocontrol.get_db().ps
+    local db = iocontrol.get_db()
 
     -- window header message
-    TextBox{parent=main,y=1,text="",alignment=ALIGN.LEFT,height=1,fg_bg=style.header}
+    TextBox{parent=main,y=1,text="DEV ALPHA APP      S   C   ",alignment=ALIGN.LEFT,height=1,fg_bg=style.header}
+    local svr_conn = SignalBar{parent=main,y=1,x=22,compact=true,colors_low_med=cpair(colors.red,colors.yellow),disconnect_color=colors.lightGray,fg_bg=cpair(colors.green,colors.gray)}
+    local crd_conn = SignalBar{parent=main,y=1,x=26,compact=true,colors_low_med=cpair(colors.red,colors.yellow),disconnect_color=colors.lightGray,fg_bg=cpair(colors.green,colors.gray)}
 
-    --
-    -- root panel panes (connection screens + main screen)
-    --
+    db.ps.subscribe("svr_conn_quality", svr_conn.set_value)
+    db.ps.subscribe("crd_conn_quality", crd_conn.set_value)
+
+    --#region root panel panes (connection screens + main screen)
 
     local root_pane_div = Div{parent=main,x=1,y=2}
 
     local conn_sv_wait = conn_waiting(root_pane_div, 6, false)
     local conn_api_wait = conn_waiting(root_pane_div, 6, true)
     local main_pane = Div{parent=main,x=1,y=2}
-    local root_panes = { conn_sv_wait, conn_api_wait, main_pane }
 
-    local root_pane = MultiPane{parent=root_pane_div,x=1,y=1,panes=root_panes}
+    local root_pane = MultiPane{parent=root_pane_div,x=1,y=1,panes={conn_sv_wait,conn_api_wait,main_pane}}
 
-    root_pane.register(ps, "link_state", function (state)
+    root_pane.register(db.ps, "link_state", function (state)
         if state == LINK_STATE.UNLINKED or state == LINK_STATE.API_LINK_ONLY then
             root_pane.set_value(1)
         elseif state == LINK_STATE.SV_LINK_ONLY then
@@ -62,62 +65,33 @@ local function init(main)
         end
     end)
 
-    --
-    -- main page panel panes & sidebar
-    --
+    --#endregion
+
+    --#region main page panel panes & sidebar
 
     local page_div = Div{parent=main_pane,x=4,y=1}
 
     local sidebar_tabs = {
-        {
-            char = "#",
-            color = cpair(colors.black,colors.green)
-        },
-        {
-            char = "U",
-            color = cpair(colors.black,colors.yellow)
-        },
-        {
-            char = "R",
-            color = cpair(colors.black,colors.cyan)
-        },
-        {
-            char = "B",
-            color = cpair(colors.black,colors.lightGray)
-        },
-        {
-            char = "T",
-            color = cpair(colors.black,colors.white)
-        },
-        {
-            char = "D",
-            color = cpair(colors.black,colors.orange)
-        }
+        { char = "#", color = cpair(colors.black, colors.green) }
     }
 
-    local panes = { home_page(page_div), unit_page(page_div), reactor_page(page_div),  boiler_page(page_div), turbine_page(page_div), diag_page(page_div) }
+    home_page(page_div)
+    unit_page(page_div)
 
-    local page_pane = MultiPane{parent=page_div,x=1,y=1,panes=panes}
+    diag_apps(page_div)
+    sys_apps(page_div)
+    dummy_app(page_div)
 
-    local function navigate_sidebar(page)
-        if page == 1 then
-            nav.page = nav.sub_pages[NAV_PAGE.HOME]
-        elseif page == 2 then
-            nav.page = nav.sub_pages[NAV_PAGE.UNITS]
-        elseif page == 3 then
-            nav.page = nav.sub_pages[NAV_PAGE.REACTORS]
-        elseif page == 4 then
-            nav.page = nav.sub_pages[NAV_PAGE.BOILERS]
-        elseif page == 5 then
-            nav.page = nav.sub_pages[NAV_PAGE.TURBINES]
-        elseif page == 6 then
-            nav.page = nav.sub_pages[NAV_PAGE.DIAG]
-        end
+    assert(#db.nav.get_containers() == iocontrol.APP_ID.NUM_APPS, "app IDs were not sequential or some apps weren't registered")
 
-        page_pane.set_value(page)
-    end
+    local page_pane = MultiPane{parent=page_div,x=1,y=1,panes=db.nav.get_containers()}
+    db.nav.set_pane(page_pane)
 
-    Sidebar{parent=main_pane,x=1,y=1,tabs=sidebar_tabs,fg_bg=cpair(colors.white,colors.gray),callback=navigate_sidebar}
+    Sidebar{parent=main_pane,x=1,y=1,tabs=sidebar_tabs,fg_bg=cpair(colors.white,colors.gray),callback=db.nav.open_app}
+
+    PushButton{parent=main_pane,x=1,y=19,text="\x1b",min_width=3,fg_bg=cpair(colors.white,colors.gray),active_fg_bg=cpair(colors.gray,colors.black),callback=db.nav.nav_up}
+
+    --#endregion
 end
 
 return init

pocket/ui/pages/boiler_page.lua

@@ -1,22 +0,0 @@
--- local style   = require("pocket.ui.style")
-
-local core    = require("graphics.core")
-
-local Div     = require("graphics.elements.div")
-local TextBox = require("graphics.elements.textbox")
-
--- local cpair = core.cpair
-
-local ALIGN = core.ALIGN
-
--- new boiler page view
----@param root graphics_element parent
-local function new_view(root)
-    local main = Div{parent=root,x=1,y=1}
-
-    TextBox{parent=main,text="BOILERS",x=1,y=1,height=1,alignment=ALIGN.CENTER}
-
-    return main
-end
-
-return new_view

pocket/ui/pages/home_page.lua

@@ -1,21 +1,59 @@
-local core  = require("graphics.core")
+--
+-- Main Home Page
+--
 
-local Div   = require("graphics.elements.div")
+local iocontrol    = require("pocket.iocontrol")
 
-local App   = require("graphics.elements.controls.app")
+local core         = require("graphics.core")
+
+local AppMultiPane = require("graphics.elements.appmultipane")
+local Div          = require("graphics.elements.div")
+local TextBox      = require("graphics.elements.textbox")
+
+local App          = require("graphics.elements.controls.app")
 
 local cpair = core.cpair
 
+local APP_ID = iocontrol.APP_ID
+
+local ALIGN = core.ALIGN
+
 -- new home page view
 ---@param root graphics_element parent
 local function new_view(root)
-    local main = Div{parent=root,x=1,y=1}
+    local db = iocontrol.get_db()
 
-    App{parent=main,x=3,y=2,text="\x17",title="PRC",callback=function()end,app_fg_bg=cpair(colors.black,colors.purple)}
-    App{parent=main,x=10,y=2,text="\x15",title="CTL",callback=function()end,app_fg_bg=cpair(colors.black,colors.green)}
-    App{parent=main,x=17,y=2,text="\x08",title="DEV",callback=function()end,app_fg_bg=cpair(colors.black,colors.lightGray)}
-    App{parent=main,x=3,y=7,text="\x7f",title="Waste",callback=function()end,app_fg_bg=cpair(colors.black,colors.brown)}
-    App{parent=main,x=10,y=7,text="\xb6",title="Guide",callback=function()end,app_fg_bg=cpair(colors.black,colors.cyan)}
+    local main = Div{parent=root,x=1,y=1,height=19}
+
+    local app = db.nav.register_app(iocontrol.APP_ID.ROOT, main)
+
+    local apps_1 = Div{parent=main,x=1,y=1,height=15}
+    local apps_2 = Div{parent=main,x=1,y=1,height=15}
+
+    local panes = { apps_1, apps_2 }
+
+    local app_pane = AppMultiPane{parent=main,x=1,y=1,height=18,panes=panes,active_color=colors.lightGray,nav_colors=cpair(colors.lightGray,colors.gray),scroll_nav=true,drag_nav=true,callback=app.switcher}
+
+    app.set_root_pane(app_pane)
+    app.new_page(app.new_page(nil, 1), 2)
+
+    local function open(id) db.nav.open_app(id) end
+
+    local active_fg_bg = cpair(colors.white,colors.gray)
+
+    App{parent=apps_1,x=3,y=2,text="U",title="Units",callback=function()open(APP_ID.UNITS)end,app_fg_bg=cpair(colors.black,colors.yellow),active_fg_bg=active_fg_bg}
+    App{parent=apps_1,x=10,y=2,text="\x17",title="PRC",callback=function()open(APP_ID.DUMMY)end,app_fg_bg=cpair(colors.black,colors.purple),active_fg_bg=active_fg_bg}
+    App{parent=apps_1,x=17,y=2,text="\x15",title="CTL",callback=function()open(APP_ID.DUMMY)end,app_fg_bg=cpair(colors.black,colors.green),active_fg_bg=active_fg_bg}
+    App{parent=apps_1,x=3,y=7,text="\x08",title="DEV",callback=function()open(APP_ID.DUMMY)end,app_fg_bg=cpair(colors.black,colors.lightGray),active_fg_bg=active_fg_bg}
+    App{parent=apps_1,x=10,y=7,text="\x7f",title="Waste",callback=function()open(APP_ID.DUMMY)end,app_fg_bg=cpair(colors.black,colors.brown),active_fg_bg=active_fg_bg}
+    App{parent=apps_1,x=17,y=7,text="\xb6",title="Guide",callback=function()open(APP_ID.DUMMY)end,app_fg_bg=cpair(colors.black,colors.cyan),active_fg_bg=active_fg_bg}
+    App{parent=apps_1,x=3,y=12,text="?",title="About",callback=function()open(APP_ID.ABOUT)end,app_fg_bg=cpair(colors.black,colors.white),active_fg_bg=active_fg_bg}
+
+    TextBox{parent=apps_2,text="Diagnostic Apps",x=1,y=2,height=1,alignment=ALIGN.CENTER}
+
+    App{parent=apps_2,x=3,y=4,text="\x0f",title="Alarm",callback=function()open(APP_ID.ALARMS)end,app_fg_bg=cpair(colors.black,colors.red),active_fg_bg=active_fg_bg}
+    App{parent=apps_2,x=10,y=4,text="\x1e",title="LoopT",callback=function()open(APP_ID.DUMMY)end,app_fg_bg=cpair(colors.black,colors.cyan),active_fg_bg=active_fg_bg}
+    App{parent=apps_2,x=17,y=4,text="@",title="Comps",callback=function()open(APP_ID.DUMMY)end,app_fg_bg=cpair(colors.black,colors.orange),active_fg_bg=active_fg_bg}
 
     return main
 end

pocket/ui/pages/reactor_page.lua

@@ -1,22 +0,0 @@
--- local style   = require("pocket.ui.style")
-
-local core    = require("graphics.core")
-
-local Div     = require("graphics.elements.div")
-local TextBox = require("graphics.elements.textbox")
-
--- local cpair = core.cpair
-
-local ALIGN = core.ALIGN
-
--- new reactor page view
----@param root graphics_element parent
-local function new_view(root)
-    local main = Div{parent=root,x=1,y=1}
-
-    TextBox{parent=main,text="REACTOR",x=1,y=1,height=1,alignment=ALIGN.CENTER}
-
-    return main
-end
-
-return new_view

pocket/ui/pages/turbine_page.lua

@@ -1,22 +0,0 @@
--- local style   = require("pocket.ui.style")
-
-local core    = require("graphics.core")
-
-local Div     = require("graphics.elements.div")
-local TextBox = require("graphics.elements.textbox")
-
--- local cpair = core.cpair
-
-local ALIGN = core.ALIGN
-
--- new turbine page view
----@param root graphics_element parent
-local function new_view(root)
-    local main = Div{parent=root,x=1,y=1}
-
-    TextBox{parent=main,text="TURBINES",x=1,y=1,height=1,alignment=ALIGN.CENTER}
-
-    return main
-end
-
-return new_view

pocket/ui/pages/unit_page.lua

@@ -1,20 +1,29 @@
--- local style   = require("pocket.ui.style")
+--
+-- Unit Overview Page
+--
 
-local core    = require("graphics.core")
+local iocontrol = require("pocket.iocontrol")
 
-local Div     = require("graphics.elements.div")
-local TextBox = require("graphics.elements.textbox")
+local core      = require("graphics.core")
 
--- local cpair = core.cpair
+local Div       = require("graphics.elements.div")
+local TextBox   = require("graphics.elements.textbox")
 
 local ALIGN = core.ALIGN
 
 -- new unit page view
 ---@param root graphics_element parent
 local function new_view(root)
+    local db = iocontrol.get_db()
+
     local main = Div{parent=root,x=1,y=1}
 
-    TextBox{parent=main,text="UNITS",x=1,y=1,height=1,alignment=ALIGN.CENTER}
+    local app = db.nav.register_app(iocontrol.APP_ID.UNITS, main)
+    app.new_page(nil, function () end)
+
+    TextBox{parent=main,y=2,text="UNITS",height=1,alignment=ALIGN.CENTER}
+
+    TextBox{parent=main,y=4,text="work in progress",height=1,alignment=ALIGN.CENTER}
 
     return main
 end

scada-common/comms.lua

@@ -16,8 +16,9 @@ local max_distance = nil
 ---@class comms
 local comms = {}
 
--- protocol/data version (protocol/data independent changes tracked by util.lua version)
-comms.version = "2.4.5"
+-- protocol/data versions (protocol/data independent changes tracked by util.lua version)
+comms.version = "2.5.0"
+comms.api_version = "0.0.1"
 
 ---@enum PROTOCOL
 local PROTOCOL = {
@@ -64,7 +65,9 @@ local CRDN_TYPE = {
     FAC_CMD = 3,         -- faility command
     UNIT_BUILDS = 4,     -- build of each reactor unit (reactor + RTUs)
     UNIT_STATUSES = 5,   -- state of each of the reactor units
-    UNIT_CMD = 6         -- command a reactor unit
+    UNIT_CMD = 6,        -- command a reactor unit
+    API_GET_FAC = 7,     -- API: get all the facility data
+    API_GET_UNITS = 8    -- API: get all the reactor unit data
 }
 
 ---@enum ESTABLISH_ACK
@@ -72,7 +75,8 @@ local ESTABLISH_ACK = {
     ALLOW = 0,           -- link approved
     DENY = 1,            -- link denied
     COLLISION = 2,       -- link denied due to existing active link
-    BAD_VERSION = 3      -- link denied due to comms version mismatch
+    BAD_VERSION = 3,     -- link denied due to comms version mismatch
+    BAD_API_VERSION = 4  -- link denied due to api version mismatch
 }
 
 ---@enum DEVICE_TYPE device types for establish messages