arduino-joystick/Joystick.cpp

#include "Joystick.h"
#include <Arduino.h>

Joystick::Joystick(bool debug) {
  _debug = debug;
}

void Joystick::Init() {
  Serial.begin(115200);
  delay(100);

  for (uint8_t i=0; i < JOYSTICK_NUM_AXES; i++) {
    _joyReport.axis[i] = 0;
  }
  for (uint8_t i=0; i < JOYSTICK_NUM_BYTES; i++) {
    _joyReport.button[i] = 0;
  }
  
  if (_debug) Serial.println("DEBUG: Joystick library initialized.");
}

void Joystick::AddButton(uint8_t pin, ButtonType type) {
  // stub
}

void Joystick::AddAxis(uint8_t pin) {
  // stub
}

void Joystick::Update() {
  // stub
}

void Joystick::SetAxis(uint8_t axis, int16_t value) {
  if (axis >= JOYSTICK_NUM_AXES) return;
  _joyReport.axis[axis] = value;
  if (_debug) Serial.println("DEBUG: Axis change recorded.");
}

void Joystick::PressButton(uint8_t button) {
  if (button >= JOYSTICK_NUM_BUTTONS) return;
  uint8_t byte = button / 8;
  uint8_t bit = button % 8;
  _joyReport.button[byte] |= 1 << bit;
  if (_debug) Serial.println("DEBUG: Button press recorded.");
}

void Joystick::ReleaseButton(uint8_t button) {
  if (button >= JOYSTICK_NUM_BUTTONS) return;
  uint8_t byte = button / 8;
  uint8_t bit = button % 8;
  _joyReport.button[byte] |= 0 << bit;
  if (_debug) Serial.println("DEBUG: Button release recorded.");
}

void Joystick::ReleaseAllButtons() {
  for (uint8_t i = 0; i < JOYSTICK_NUM_BYTES; i++) {
    _joyReport.button[i] = 0;
  }
  if (_debug) Serial.println("DEBUG: All-button release recorded.");
}

void Joystick::Write() {
  Serial.write((uint8_t *)&_joyReport, sizeof(JoyReport));
  delay(250);
}