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https://github.com/limyz/573controller
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Initial commit
Added Arduino sketch files
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limyz
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171
_gfxg.ino
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171
_gfxg.ino
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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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// 2019-07-29
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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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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 Button Pins
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// Pins 2 and 3 are reserved for 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 -> R, G, B, Y, P
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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(0x20); // CTRL_REG1 (20h)
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Wire.write(0xC7);
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Wire.endTransmission();
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// Initialize Joystick Library
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Joystick.begin();
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/*
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Joystick.setXAxisRange(-8, 8);
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Joystick.setYAxisRange(-8, 8);
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Joystick.setZAxisRange(-8, 8);
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*/
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Joystick.setXAxisRange(-255, 255);
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Joystick.setYAxisRange(-255, 255);
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Joystick.setZAxisRange(-255, 255);
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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 OUT_X 0x29
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#define OUT_Y 0x2B
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#define OUT_Z 0x2D
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bool valueChanged = false;
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byte x_val = i2c_read(OUT_X), y_val = i2c_read(OUT_Y), z_val = i2c_read(OUT_Z);
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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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} // if the value changed
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// thanks to @freespace
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// https://forum.arduino.cc/index.php?topic=19779.0
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/* The divisor of x,y, and z are chosen to give the "correct" value at 1g. They are worked out
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by trial and error, but a rough starting point can be calculated as follows:
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1. divided by 128 to normalise the range
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2. multiply by 2 since the range is +/- 2,
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* combined so this gives divided by 64, giving acceleration in gs
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3. multiply by 9.8 to give acceleration in ms/s/s,
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* combined this gives multiply by 9.8/64
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4. to make things into nicer integer maths, invert 9.8/64 to give 6.5
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5. now we can truncate and use divisor of 6, an integer, or sacrifice some cycles and use
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a floating value around 6 which gives the "correct" value of 9.8m/s/s for an axis when that
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axis is "pointing" towards the centre of the earth.
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Note I have multiplied everything by 10 implicitly to keep us in int domain
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*/
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Joystick.setXAxis(x_val * 100 / 55);
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Joystick.setYAxis(y_val * 100 / 55);
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Joystick.setZAxis(z_val * 100 / 63);
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/*
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Joystick.setXAxis(x_val * 100 / 8);
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Joystick.setYAxis(y_val * 100 / 8);
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Joystick.setZAxis(z_val * 100 / 8);
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*/
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/*
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Joystick.setXAxis(i2c_read(OUT_X));
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Joystick.setYAxis(i2c_read(OUT_Y));
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Joystick.setZAxis(i2c_read(OUT_Z));
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*/
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}
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127
_gfxg_adxl345.ino
Normal file
127
_gfxg_adxl345.ino
Normal file
@ -0,0 +1,127 @@
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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 ADXL345 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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// 2019-07-25
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//--------------------------------------------------------------------
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#include <Joystick.h>
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#include <Wire.h>
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#include <Adafruit_Sensor.h>
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#include <Adafruit_ADXL345_U.h>
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/* Assign a unique ID to this sensor at the same time */
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Adafruit_ADXL345_Unified accel = Adafruit_ADXL345_Unified(573);
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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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void setup() {
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// Initialize Button Pins
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// Pins 2 and 3 are reserved for 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 -> R, G, B, Y, P
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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 ADXL345
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accel.begin();
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// Set Range for ADXL345
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accel.setRange(ADXL345_RANGE_16_G);
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// accel.setRange(ADXL345_RANGE_8_G);
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// accel.setRange(ADXL345_RANGE_4_G);
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// accel.setRange(ADXL345_RANGE_2_G);
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// Initialize Joystick Library
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Joystick.begin();
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Joystick.setXAxisRange(-100, 100);
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Joystick.setYAxisRange(-100, 100);
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Joystick.setZAxisRange(-100, 100);
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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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/* Get a new sensor event */
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sensors_event_t event;
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accel.getEvent(&event);
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bool valueChanged = false;
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Joystick.setXAxis(event.acceleration.x);
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Joystick.setYAxis(event.acceleration.y);
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Joystick.setZAxis(event.acceleration.z);
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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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} // if the value changed
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}
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