bootloader

startup.lua

@@ -0,0 +1,52 @@
+local util = require("scada-common.util")
+
+local BOOTLOADER_VERSION = "0.1"
+
+local println = util.println
+local println_ts = util.println_ts
+
+println("SCADA BOOTLOADER V" .. BOOTLOADER_VERSION)
+
+local exit_code = false
+
+println_ts("BOOT> SCANNING FOR APPLICATIONS...")
+
+if fs.exists("reactor-plc/startup.lua") then
+    -- found reactor-plc application
+    println("BOOT> FOUND REACTOR PLC APPLICATION")
+    println("BOOT> EXEC STARTUP")
+    exit_code = shell.execute("reactor-plc/startup")
+elseif fs.exists("rtu/startup.lua") then
+    -- found rtu application
+    println("BOOT> FOUND RTU APPLICATION")
+    println("BOOT> EXEC STARTUP")
+    exit_code = shell.execute("rtu/startup")
+elseif fs.exists("supervisor/startup.lua") then
+    -- found supervisor application
+    println("BOOT> FOUND SUPERVISOR APPLICATION")
+    println("BOOT> EXEC STARTUP")
+    exit_code = shell.execute("supervisor/startup")
+elseif fs.exists("coordinator/startup.lua") then
+    -- found coordinator application
+    println("BOOT> FOUND COORDINATOR APPLICATION")
+    println("BOOT> EXEC STARTUP")
+    exit_code = shell.execute("coordinator/startup")
+elseif fs.exists("pocket/startup.lua") then
+    -- found pocket application
+    println("BOOT> FOUND POCKET APPLICATION")
+    println("BOOT> EXEC STARTUP")
+    exit_code = shell.execute("pocket/startup")
+else
+    -- no known applications found
+    println("BOOT> NO SCADA STARTUP APPLICATION FOUND")
+    println("BOOT> EXIT")
+    return false
+end
+
+if exit_code then
+    println_ts("BOOT> APPLICATION EXITED OK")
+else
+    println_ts("BOOT> APPLICATION CRASHED")
+end
+
+return exit_code