Merged in t-debug (pull request #428)

treat: nil read pin and add debug logging

Approved-by: Saxon Milton

cmd/treatment/main.go

@@ -113,7 +113,7 @@ func main() {
 
 	// The netsender client will handle communication with netreceiver and GPIO stuff.
 	log.Log(logger.Debug, "initialising netsender client")
-	ns, err := netsender.New(log, gpio.InitPin, gpio.ReadPin, gpio.WritePin, varMap)
+	ns, err := netsender.New(log, gpio.InitPin, nil, gpio.WritePin, varMap)
 	if err != nil {
 		log.Log(logger.Fatal, "could not initialise netsender client", "error", err.Error())
 	}
@@ -208,6 +208,9 @@ func run(rv *revid.Revid, ns *netsender.Sender, file *string, l *logger.Logger,
 				sleep(ns, l)
 				continue
 			}
+		default:
+			l.Log(logger.Warning, "mode is not valid", "mode", ns.Mode())
+
 		}
 		l.Log(logger.Info, "revid updated with new mode")
 		sleep(ns, l)