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https://github.com/limyz/573controller
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Added simple README.md to describe the build environment and required library to install
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fisyher
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README.md
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README.md
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# gfxg
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gfxg allows you to use an Arduino Leonardo or Micro to transform a GH/573 guitar into a USB game controller
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## Build Guide
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gfxg can be built with Arduino IDE 1.6.6 and above
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Requires [Arduino Joystick Library](https://github.com/MHeironimus/ArduinoJoystickLibrary) to be installed
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//--------------------------------------------------------------------
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// For use with a 573 or GH Guitar Controller
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//
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// This sketch maps a LIS3LV02DL accelerometer via I2C and uses 7 digital
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// inputs - 5 buttons and a 2 hat switches for the pick.
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//
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// All digital pins are grounded when they are pressed.
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//
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// NOTE: This sketch file is for use with Arduino Leonardo and
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// Micro only.
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//
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// by lyzzz
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// 2020-03-31
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//--------------------------------------------------------------------
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#include <Joystick.h>
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#include <Wire.h>
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// LIS3LV02DL Definitions
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int _slave_id = 0x1D;
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#define CTRL_REG1 0x20
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#define CTRL_REG2 0x21
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Joystick_ Joystick(JOYSTICK_DEFAULT_REPORT_ID,JOYSTICK_TYPE_GAMEPAD,
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5, 1, // Button Count, Hat Switch Count
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true, true, true, // X, Y and Z Axis
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false, false, false, // No Rx, Ry, or Rz
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false, false, // No rudder or throttle
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false, false, false); // No accelerator, brake, or steering
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byte i2c_read(byte address) {
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Wire.beginTransmission(_slave_id);
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Wire.write(address);
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Wire.endTransmission();
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Wire.requestFrom(_slave_id, 1);
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while(Wire.available()) {
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return Wire.read();
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}
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}
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void setup() {
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// Initialize Pins
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// Pins 2 and 3 -> Guitar Accelerometer (I2C)
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pinMode(2, INPUT_PULLUP);
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pinMode(3, INPUT_PULLUP);
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// Pins 5 to 9 -> Guitar R, G, B, Y, P Buttons
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pinMode(4, INPUT_PULLUP);
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pinMode(5, INPUT_PULLUP);
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pinMode(6, INPUT_PULLUP);
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pinMode(7, INPUT_PULLUP);
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pinMode(8, INPUT_PULLUP);
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// Pins 9 to 10 -> Guitar Pick
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pinMode(9, INPUT_PULLUP);
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pinMode(10, INPUT_PULLUP);
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// Initialise I2C for LIS3LV02DL
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Wire.begin();
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Wire.beginTransmission(_slave_id);
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Wire.write(CTRL_REG1);
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Wire.write(0xF7);
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Wire.endTransmission();
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// Initialize Joystick Library
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Joystick.begin();
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Joystick.setXAxisRange(-2048, 2048);
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Joystick.setYAxisRange(-2048, 2048);
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Joystick.setZAxisRange(-2048, 2048);
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}
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// Constant that maps the phyical pin to the joystick button.
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const int pinToButtonMap = 4;
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const int pinToHatSwitchMap = 9;
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// Last state of the buttons
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int lastButtonState[5] = {0,0,0,0,0};
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int lastHatSwitchState[2] = {0,0};
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void loop() {
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#define OUTX_L 0x28
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#define OUTX_H 0x29
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#define OUTY_L 0x2A
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#define OUTY_H 0x2B
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#define OUTZ_L 0x2C
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#define OUTZ_H 0x2D
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bool valueChanged = false;
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byte x_val_l = i2c_read(OUTX_L), y_val_l = i2c_read(OUTY_L), z_val_l = i2c_read(OUTZ_L);
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byte x_val_h = i2c_read(OUTX_H), y_val_h = i2c_read(OUTY_H), z_val_h = i2c_read(OUTZ_H);
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// Read pin values
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for (int index = 0; index < 5; index++) {
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int currentButtonState = !digitalRead(index + pinToButtonMap);
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if (currentButtonState != lastButtonState[index]) {
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switch (index) {
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case 0:
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Joystick.setButton(0, currentButtonState);
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break;
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case 1:
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Joystick.setButton(1, currentButtonState);
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break;
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case 2:
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Joystick.setButton(2, currentButtonState);
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break;
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case 3:
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Joystick.setButton(3, currentButtonState);
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break;
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case 4:
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Joystick.setButton(4, currentButtonState);
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break;
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}
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lastButtonState[index] = currentButtonState;
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}
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}
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for (int index = 0; index < 2; index++) {
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int currentHatSwitchState = digitalRead(index + pinToHatSwitchMap);
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if (currentHatSwitchState != lastHatSwitchState[index]) {
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valueChanged = true;
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lastHatSwitchState[index] = currentHatSwitchState;
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}
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}
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if (valueChanged) {
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if ((lastHatSwitchState[0] == 0) && (lastHatSwitchState[1] == 0)) {
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Joystick.setHatSwitch(0, -1);
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}
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if (lastHatSwitchState[0] == 1) {
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Joystick.setHatSwitch(0, 0);
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}
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if (lastHatSwitchState[1] == 1) {
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Joystick.setHatSwitch(0, 180);
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}
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}
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Joystick.setXAxis(x_val_l | x_val_h << 8);
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Joystick.setYAxis(y_val_l | y_val_h << 8);
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Joystick.setZAxis(z_val_l | z_val_h << 8);
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}
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//--------------------------------------------------------------------
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// For use with a 573 or GH Guitar Controller
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//
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// This sketch maps a LIS3LV02DL accelerometer via I2C and uses 7 digital
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// inputs - 5 buttons and a 2 hat switches for the pick.
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//
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// All digital pins are grounded when they are pressed.
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//
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// NOTE: This sketch file is for use with Arduino Leonardo and
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// Micro only.
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//
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// by lyzzz
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// 2020-03-31
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//--------------------------------------------------------------------
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#include <Joystick.h>
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#include <Wire.h>
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// LIS3LV02DL Definitions
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int _slave_id = 0x1D;
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#define CTRL_REG1 0x20
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#define CTRL_REG2 0x21
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Joystick_ Joystick(JOYSTICK_DEFAULT_REPORT_ID,JOYSTICK_TYPE_GAMEPAD,
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5, 1, // Button Count, Hat Switch Count
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true, true, true, // X, Y and Z Axis
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false, false, false, // No Rx, Ry, or Rz
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false, false, // No rudder or throttle
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false, false, false); // No accelerator, brake, or steering
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byte i2c_read(byte address) {
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Wire.beginTransmission(_slave_id);
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Wire.write(address);
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Wire.endTransmission();
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Wire.requestFrom(_slave_id, 1);
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while(Wire.available()) {
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return Wire.read();
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}
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}
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void setup() {
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// Initialize Pins
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// Pins 2 and 3 -> Guitar Accelerometer (I2C)
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pinMode(2, INPUT_PULLUP);
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pinMode(3, INPUT_PULLUP);
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// Pins 5 to 9 -> Guitar R, G, B, Y, P Buttons
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pinMode(4, INPUT_PULLUP);
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pinMode(5, INPUT_PULLUP);
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pinMode(6, INPUT_PULLUP);
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pinMode(7, INPUT_PULLUP);
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pinMode(8, INPUT_PULLUP);
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// Pins 9 to 10 -> Guitar Pick
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pinMode(9, INPUT_PULLUP);
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pinMode(10, INPUT_PULLUP);
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// Initialise I2C for LIS3LV02DL
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Wire.begin();
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Wire.beginTransmission(_slave_id);
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Wire.write(CTRL_REG1);
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Wire.write(0xF7);
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Wire.endTransmission();
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// Initialize Joystick Library
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Joystick.begin();
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Joystick.setXAxisRange(-2048, 2048);
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Joystick.setYAxisRange(-2048, 2048);
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Joystick.setZAxisRange(-2048, 2048);
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}
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// Constant that maps the phyical pin to the joystick button.
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const int pinToButtonMap = 4;
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const int pinToHatSwitchMap = 9;
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// Last state of the buttons
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int lastButtonState[5] = {0,0,0,0,0};
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int lastHatSwitchState[2] = {0,0};
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void loop() {
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#define OUTX_L 0x28
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#define OUTX_H 0x29
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#define OUTY_L 0x2A
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#define OUTY_H 0x2B
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#define OUTZ_L 0x2C
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#define OUTZ_H 0x2D
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bool valueChanged = false;
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byte x_val_l = i2c_read(OUTX_L), y_val_l = i2c_read(OUTY_L), z_val_l = i2c_read(OUTZ_L);
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byte x_val_h = i2c_read(OUTX_H), y_val_h = i2c_read(OUTY_H), z_val_h = i2c_read(OUTZ_H);
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// Read pin values
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for (int index = 0; index < 5; index++) {
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int currentButtonState = !digitalRead(index + pinToButtonMap);
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if (currentButtonState != lastButtonState[index]) {
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switch (index) {
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case 0:
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Joystick.setButton(0, currentButtonState);
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break;
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case 1:
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Joystick.setButton(1, currentButtonState);
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break;
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case 2:
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Joystick.setButton(2, currentButtonState);
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break;
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case 3:
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Joystick.setButton(3, currentButtonState);
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break;
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case 4:
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Joystick.setButton(4, currentButtonState);
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break;
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}
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lastButtonState[index] = currentButtonState;
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}
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}
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for (int index = 0; index < 2; index++) {
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int currentHatSwitchState = digitalRead(index + pinToHatSwitchMap);
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if (currentHatSwitchState != lastHatSwitchState[index]) {
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valueChanged = true;
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lastHatSwitchState[index] = currentHatSwitchState;
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}
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}
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if (valueChanged) {
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if ((lastHatSwitchState[0] == 0) && (lastHatSwitchState[1] == 0)) {
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Joystick.setHatSwitch(0, -1);
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}
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if (lastHatSwitchState[0] == 1) {
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Joystick.setHatSwitch(0, 0);
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}
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if (lastHatSwitchState[1] == 1) {
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Joystick.setHatSwitch(0, 180);
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}
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}
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Joystick.setXAxis(x_val_l | x_val_h << 8);
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Joystick.setYAxis(y_val_l | y_val_h << 8);
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Joystick.setZAxis(z_val_l | z_val_h << 8);
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}
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