setup ticker

cmd/rv/main.go

@@ -11,6 +11,7 @@ AUTHORS
   Jack Richardson <jack@ausocean.org>
   Trek Hopton <trek@ausocean.org>
   Scott Barnard <scott@ausocean.org>
+  Russell Stanley <russell@ausocean.org>
 
 LICENSE
   Copyright (C) 2020 the Australian Ocean Lab (AusOcean)
@@ -103,14 +104,15 @@ const (
 	profilePath      = "rv.prof"
 	pkg              = "rv: "
 	runPreDelay      = 20 * time.Second
+	turbidity
 )
 
 // Software define pin values.
 // See https://netreceiver.appspot.com/help, External Pin Assignments.
 const (
-	bitratePin       = "X36"
+	bitratePin    = "X36"
 	saturationPin = "X38"
-	contrastPin = "X39"
+	contrastPin   = "X39"
 )
 
 // This is set to true if the 'profile' build tag is provided on build.
@@ -122,6 +124,18 @@ type turbidityProbe struct {
 
 // TODO(Russell): complete this implementation of Write.
 func (tp *turbidityProbe) Write(p []byte) (int, error) {
+
+	ticker := time.NewTicker(500 * time.Millisecond)
+
+	go func() {
+		for {
+			select {
+			case <-ticker.C:
+
+				// Implementation here
+			}
+		}
+	}()
 	return len(p), nil
 }
 
@@ -156,7 +170,7 @@ func main() {
 
 	var (
 		rv *revid.Revid
-		p *turbidityProbe
+		p  *turbidityProbe
 	)
 
 	log.Log(logger.Debug, "initialising netsender client")
@@ -171,9 +185,9 @@ func main() {
 		log.Log(logger.Fatal, pkg+"could not initialise revid", "error", err.Error())
 	}
 
-	err  = rv.SetProbe(p)
+	err = rv.SetProbe(p)
 	if err != nil {
-		log.Log(logger.Error, pkg+"could not set probe","error",err.Error())
+		log.Log(logger.Error, pkg+"could not set probe", "error", err.Error())
 	}
 
 	// NB: Problems were encountered with communicating with RTSP inputs. When trying to