Add update limiter to HandbrakeJoystick

Matching the behavior of the pedal position limiter, this only sends data whenever the handbrake position changes. It can be overridden with the "AlwaysSend" option.

Author: dmadison

examples/Handbrake/HandbrakeJoystick/HandbrakeJoystick.ino

@@ -45,6 +45,7 @@ Joystick_ Joystick(
 	false, false, false, false, false, false, false, false);  // no other axes
 
 const int ADC_Max = 1023;  // max value of the analog inputs, 10-bit on AVR boards
+const bool AlwaysSend = false;  // override the position checks, *always* send data constantly
 
 
 void setup() {
@@ -53,13 +54,20 @@ void setup() {
 	// if you have one, your calibration line should go here
 
 	Joystick.begin(false);  // 'false' to disable auto-send
-
 	Joystick.setZAxisRange(0, ADC_Max);
+
+	updateJoystick();  // send initial state
 }
 
 void loop() {
 	handbrake.update();
 
+	if (handbrake.positionChanged() || AlwaysSend) {
+		updateJoystick();
+	}
+}
+
+void updateJoystick() {
 	int pos = handbrake.getPosition(0, ADC_Max);
 	Joystick.setZAxis(pos);