fixed bugs and removed goto as lua 5.1 does not have goto

reactor-plc/plc.lua

@@ -42,7 +42,7 @@ function iss_init(reactor)
             self.reactor.scram()
         end
 
-        local first_trip = ~was_tripped and self.tripped
+        local first_trip = not was_tripped and self.tripped
     
         return self.tripped, status, first_trip
     end
@@ -507,7 +507,7 @@ function comms_init(id, modem, local_port, server_port, reactor, iss)
             id = self.id,
             type = RPLC_TYPES.STATUS,
             timestamp = os.time(),
-            control_state = ~self.scrammed,
+            control_state = not self.scrammed,
             overridden = overridden,
             heating_rate = self.reactor.getHeatingRate(),
             mek_data = mek_data

reactor-plc/startup.lua

@@ -7,10 +7,10 @@ os.loadAPI("scada-common/util.lua")
 os.loadAPI("scada-common/ppm.lua")
 os.loadAPI("scada-common/comms.lua")
 
-os.loadAPI("reactor-plc/config.lua")
+os.loadAPI("config.lua")
-os.loadAPI("reactor-plc/plc.lua")
+os.loadAPI("plc.lua")
 
-local R_PLC_VERSION = "alpha-v0.1.0"
+local R_PLC_VERSION = "alpha-v0.1.1"
 
 local print_ts = util.print_ts
 
@@ -66,8 +66,7 @@ local LINK_TICKS = 20
 local loop_tick = nil
 local ticks_to_update = LINK_TICKS  -- start by linking
 
--- initialize PLC
+function init()
-::init::
     if plc_state.init_ok then
         -- just booting up, no fission allowed (neutrons stay put thanks)
         reactor.scram()
@@ -94,6 +93,10 @@ if plc_state.init_ok then
     else
         log._warning("booted in a degraded state, awaiting peripheral connections...")
     end
+end
+
+-- initialize PLC
+init()
 
 -- event loop
 while true do
@@ -156,7 +159,7 @@ while true do
             end
 
             -- determine if we are still in a degraded state
-            if not networked or get_device("modem") not nil then
+            if not networked or get_device("modem") ~= nil then
                 plc_state.degraded = false
             end
         elseif networked and device.type == "modem" then
@@ -170,14 +173,14 @@ while true do
             plc_state.no_modem = false
 
             -- determine if we are still in a degraded state
-            if ppm.get_device("fissionReactor") not nil then
+            if ppm.get_device("fissionReactor") ~= nil then
                 plc_state.degraded = false
             end
         end
 
         if not plc_state.init_ok and not plc_state.degraded then
             plc_state.init_ok = false
-            goto init
+            init()
         end
     end