Added healthchecks, and maybe got a bit lost

peripheral/communication/communication.go

@@ -17,6 +17,7 @@ const (
 	CmdAckID         types.Command = 2
 	CmdCreateWindow  types.Command = 3
 	CmdDestroyWindow types.Command = 4
+	CmdHealthCheck   types.Command = 9
 )
 
 var crc8Table = [256]byte{

peripheral/communication/packets/newWindowIDPakcket.go

@@ -18,3 +18,22 @@ func (pkt *NewWindowID) Validate() bool {
 
 	return true
 }
+
+type HealthCheck struct {
+	StartMarker byte
+	Response    byte
+	EndMarker   byte
+}
+
+func (pkt *HealthCheck) Validate() bool {
+	if pkt.StartMarker != constvar.StartOfText ||
+		pkt.EndMarker != constvar.EndOfText {
+		return false
+	}
+
+	if pkt.Response != 0x06 {
+		return false
+	}
+
+	return true
+}

peripheral/communication/walkieTalkie.go

@@ -26,8 +26,7 @@ func (wt *WalkieTalkie) ReadFramedData(size int, packet any) error {
 		b := make([]byte, 1)
 		_, err := wt.Serial.Read(b)
 		if err != nil {
-			// fmt.Fprintf(os.Stderr, "dev read: %s\n", err.Error())
-			return err
+			return fmt.Errorf("error reading incoming: %+v, err:", b, err)
 		}
 
 		if b[0] == constvar.StartOfText {
@@ -44,9 +43,11 @@ func (wt *WalkieTalkie) ReadFramedData(size int, packet any) error {
 	reader := bytes.NewReader(buf)
 	err = binary.Read(reader, binary.LittleEndian, packet)
 	if err != nil {
-		return err
+		return fmt.Errorf("error parsing incoming: %+v, err:", buf, err)
 	}
 
+	wt.Serial.Flush()
+
 	return nil
 }
 
@@ -137,6 +138,8 @@ func (wt *WalkieTalkie) sendPacket(cmd types.Command, data any) error {
 		return err
 	}
 
+	wt.Serial.Flush()
+
 	return nil
 }