#25 continued WIP waste control, main view updated and unit fields modified

coordinator/iocontrol.lua

@@ -739,12 +739,14 @@ 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.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_state[5] == types.WASTE_MODE.AUTO)
+                        unit.unit_ps.publish("U_WasteMode", unit_state[5])
+                        unit.unit_ps.publish("U_WasteProduct", unit_state[6])
                     else
                         log.debug(log_header .. "unit state length mismatch")
                         valid = false

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}
@@ -52,8 +54,9 @@ 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 Online",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)
@@ -99,7 +102,7 @@ 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 +151,85 @@ 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 +295,52 @@ 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}
+
+    RadioButton{parent=rect,x=2,y=3,options=style.waste.options,callback=status.update,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=function()end,box_fg_bg=cpair(colors.green,colors.black)}
+
+    local fb_active  = IndicatorLight{parent=rect,x=2,y=9,label="Fallback Active",colors=cpair(colors.white,colors.gray)}
+
+    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="mB/t",format="%12.2f",value=0,lu_colors=lu_cpair,fg_bg=bw_fg_bg,width=17}
+
+    local sna_count = DataIndicator{parent=rect,x=2,y=20,label="Linked SNAs:",format="%4d",value=0,lu_colors=lu_cpair,width=17}
+
+    -- local text_fg_bg = cpair(colors.black, colors.lightGray)
+    -- local label_fg_bg = cpair(colors.gray, colors.lightGray)
+    -- local lu_col = cpair(colors.gray, colors.gray)
 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/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/style.lua

@@ -151,7 +151,68 @@ style.imatrix = {
         {
             color = cpair(colors.black, colors.yellow),
             text = "HIGH  CHARGE"
+        }
+    }
+}
+
+style.waste = {
+    -- auto waste processing states
+    states = {
+        {
+            color = cpair(colors.black, colors.green),
+            text = "PLUTONIUM"
         },
+        {
+            color = cpair(colors.black, colors.green),
+            text = "PLUTONIUM  (FB)"
+        },
+        {
+            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/elements/controls/checkbox.lua

@@ -44,8 +44,9 @@ local function checkbox(args)
             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("\x80")
+            e.window.write("\x88")
             e.window.setTextColor(args.box_fg_bg.bkg)
             e.window.setBackgroundColor(e.fg_bg.bkg)
             e.window.write("\x95")

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 = "2.1.1"
 
 ---@enum PROTOCOL
 local PROTOCOL = {

scada-common/types.lua

@@ -158,13 +158,26 @@ 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"

supervisor/facility.lua

@@ -205,7 +205,7 @@ 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
     function public.add_imatrix(imatrix)
         table.insert(self.induction, imatrix)

supervisor/session/coordinator.lua

@@ -294,9 +294,9 @@ 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()

supervisor/session/rtu.lua

@@ -138,6 +138,10 @@ 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.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 +165,6 @@ 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)
                     elseif u_type == RTU_UNIT_TYPE.ENV_DETECTOR then
                         -- environment detector
                         unit = svrs_envd.new(id, i, unit_advert, self.modbus_q)

supervisor/unit.lua

@@ -12,6 +12,7 @@ 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
@@ -71,6 +72,7 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         redstone = {},
         boilers = {},
         turbines = {},
+        sna = {},
         envd = {},
         -- redstone control
         io_ctl = nil,   ---@type rs_controller
@@ -89,7 +91,8 @@ 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_mode = WASTE_MODE.AUTO,       ---@type WASTE_MODE
+        waste_product = WASTE.PLUTONIUM,    ---@type WASTE_PRODUCT
         status_text = { "UNKNOWN", "awaiting connection..." },
         -- logic for alarms
         had_reactor = false,
@@ -341,6 +344,32 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         emer_cool = emer_cool
     }
 
+    -- 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
+
+        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
 
     -- unlink disconnected units
@@ -378,7 +407,7 @@ 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
@@ -415,6 +444,12 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         end
     end
 
+    -- link a solar neutron activator RTU session
+    ---@param sna unit_session
+    function public.add_sna(sna)
+        table.insert(self.sna, sna)
+    end
+
     -- link an environment detector RTU session
     ---@param envd unit_session
     function public.add_envd(envd)
@@ -427,6 +462,7 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         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.sna,      function (s) return s.get_session_id() ~= session end)
         util.filter_table(self.envd,     function (s) return s.get_session_id() ~= session end)
     end
 
@@ -577,6 +613,15 @@ 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.waste_mode == WASTE_MODE.AUTO then
+            self.waste_product = product
+            _set_waste_valves(product)
+        end
+    end
+
     --#endregion
 
     -- OPERATIONS --
@@ -621,34 +666,18 @@ 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
+    -- set waste processing mode
+    ---@param mode WASTE_MODE processing mode
+    function public.set_waste_mode(mode)
         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
+
+        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
@@ -787,7 +816,14 @@ 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.waste_mode,
+            self.waste_product
+        }
     end
 
     -- get the reactor ID