More boilerplate

storage-net/README.md

@@ -10,9 +10,11 @@ Slave nodes must have a modem attached and be within range of the GPS and master
 
 The master node must have a modem attached and be within range of all slave nodes.
 
-1. Deploy at least one slave node
-  * The inventory it is to monitor must be above or in front of the unit
+1. Deploy at least one slave turtle
+  * The inventory it is to monitor must be above the unit
   * The unit should be able to drop below itself to push items to the master node
+  * Any subsequent slaves should be placed in front of the unit
+2. Set up a return system that pushes into the first slave node (can be a hopper or similar)
 
 ## Communication Protocol
 

storage-net/common.lua

@@ -19,6 +19,7 @@ print("Computer ID: " .. os.getComputerID())
 print("Computer " .. os.getComputerID() .. " running as " .. mode)
 
 -- Common globals
+modem = peripheral.find("modem") or error("No modem attached", 0)
 -- Master globals
 -- Slave globals
 
@@ -33,23 +34,34 @@ end
 -- Master functions
 function m_loop()
     -- The main loop of the master server
+    -- Listen for packets on the return net. This has a timeout for events and stuff
+    local timeout = os.startTimer(1)
+    local event, side, channel, replyChannel, message, distance = os.pullEvent()
+    if (event == "modem_message") then
+        print("Message received: " .. message)
+    end
     sleep(1)
 end
 -- Slave functions
 function s_loop()
     -- The main loop of any slave nodes
+    -- Listen for packets from the master
+    local event, side, channel, replyChannel, message, distance = os.pullEvent("modem_message")
     sleep(1)
 end
 
 -- Application entrypoint
 function main ()
     if (mode == "master") then
+        modem.open(port_return)
         c_mainLoop(m_loop)
     elseif (mode == "slave") then
+        modem.open(port_broadcast)
         c_mainLoop(s_loop)
     else
-        error("Invalid mode: " .. mode .. ", please configure this node appropriately")
+        error("Invalid mode: " .. mode .. ", please configure this node appropriately", 0)
     end
+    modem.closeAll()
 end
 
 main()