added config file for list purposes

src/led.go

@@ -1,10 +1,10 @@
 // =============================================================================
 // Auth: Alex Celani
 // File: led.go
-// Revn: 07-04-2022  2.0
+// Revn: 07-05-2022  3.0
 // Func: receive data as an endpoint, send response back to middleman
 //
-// TODO:
+// TODO: implement rainbow
 // =============================================================================
 // CHANGE LOG
 // -----------------------------------------------------------------------------
@@ -28,6 +28,7 @@
 //             added support for white, cyan, yellow, and magenta
 //             finished comments for tell() and ask() and even simple
 //                  parsing stuff in handleClient()
+//*07-05-2022: added support for kill messages
 //
 // =============================================================================
 
@@ -163,8 +164,9 @@ func tell( comm []string ) string {
                 default:        // user asks for else, bail out
                     response = "status unknown"
             }
-        case "kill":            // user wants to stop running
-            os.Exit( 2 )        // FIXME
+        // user wants to stop running
+        case "kill", "quit", "end", "die", "stop":
+            response = "kill"
         default:            // user enters incorrect command
             response = "command unknown"
     }
@@ -201,8 +203,6 @@ func handleClient( conn net.Conn ) {
             os.Exit( 2 )            // if not, exit
         }
 
-        // TODO differentiate ask commands from tell commands
-
         // initiate response variable
         var resp string
 
@@ -230,6 +230,10 @@ func handleClient( conn net.Conn ) {
         if *verbose {   // XXX identical verbose print
             fmt.Println( "sent: ", resp )   // print response
         }
+
+        if resp == "kill" {     // if user sent back kill
+            os.Exit( 1 )        // end process
+        }
     }
 }
 
@@ -258,7 +262,7 @@ func main() {
     lg = flag.Int( "lg", 9, "GPIO pin for green LED" )
     lb = flag.Int( "lb", 25, "GPIO pin for blue LED" )
     verbose = flag.Bool( "v", false, "verbose printing" )
-    ip = flag.String( "ip", ":1202", "ip and port of self" )
+    ip = flag.String( "ip", ":1212", "ip and port of self" )
     flag.Parse()
 
     // initialize pins to GPIO 11, 9, and 25
@@ -280,6 +284,11 @@ func main() {
 	pinG.Output()
 	pinB.Output()
 
+    // Initialize output to "off"
+    pinR.High()
+    pinG.High()
+    pinB.High()
+
     // "resolve" ip & host according to TCP rules
     tcpAddr, err := net.ResolveTCPAddr( "tcp", *ip )
     check( err )    // check error