sketch_feb22a.ino

/*
 *  Project     Rocket League XInput Demo
 *  @author     David Madison
 *  @link       partsnotincluded.com/tutorials/how-to-emulate-an-xbox-controller-with-arduino-xinput
 *  @license    MIT - Copyright (c) 2019 David Madison
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

#include <XInput.h>

// Input Pins
const uint8_t Pin_Joystick = A0;  // Turn left/right
const uint8_t Pin_JoystickY = A1;
const uint8_t Pin_ButtonA  = 2;
const uint8_t Pin_ButtonX = 3;
const uint8_t Pin_ButtonY = 4;
// Output Pins
const uint8_t Pin_LED = LED_BUILTIN;

// Analog Input Range
const int AnalogRead_Max = 1023;  // 10-bit ADC

void setup() {
	// Set input pin modes
	pinMode(Pin_ButtonA, INPUT_PULLUP);
	pinMode(Pin_ButtonX, INPUT_PULLUP);
  pinMode(Pin_ButtonY, INPUT_PULLUP);

	// Set output pin mode
	pinMode(Pin_LED, OUTPUT);
	digitalWrite(Pin_LED, LOW);  // Turn 'off'

	// Setup library
	XInput.setRange(JOY_LEFT, 0, AnalogRead_Max);
  XInput.setJoystick(JOY_LEFT, 0, 0);
	XInput.begin();
}

void loop() {
	// Read pin states
	boolean pressA = !digitalRead(Pin_ButtonA);
	boolean pressX = !digitalRead(Pin_ButtonX);
  boolean pressY = !digitalRead(Pin_ButtonY);
	int joystickValueX = analogRead(Pin_Joystick);
  int joystickValueY = analogRead(Pin_JoystickY);
  
	// Set button and trigger states
	XInput.setButton(BUTTON_A, pressA);
	XInput.setButton(BUTTON_X, pressX);
  XInput.setButton(BUTTON_Y, pressY);
	XInput.setJoystickX(JOY_LEFT, joystickValueX);
  XInput.setJoystickY(JOY_LEFT, joystickValueY, true);

	// Get rumble value
	uint16_t rumble = XInput.getRumble();

	// If controller is rumbling, turn on LED
	if (rumble > 0) {
		digitalWrite(Pin_LED, HIGH);
	}
	else {
		digitalWrite(Pin_LED, LOW);
	}
}