airpad32.ino

#include <Wire.h>
#include <SPI.h>
#include <SoftwareSerial.h>
#include <BleMouse.h>

uint8_t data[6];
int16_t gyroX, gyroZ;
 
int Sensitivity = 600;
int delayi = 20;

BleMouse bleMouse;

uint32_t timer;
uint8_t i2cData[14];
 
const uint8_t IMUAddress = 0x68;
const uint16_t I2C_TIMEOUT = 1000;
 
uint8_t i2cWrite(uint8_t registerAddress, uint8_t* data, uint8_t length, bool sendStop) {
  Wire.beginTransmission(IMUAddress);
  Wire.write(registerAddress);
  Wire.write(data, length);
  return Wire.endTransmission(sendStop); // Returns 0 on success
}

uint8_t i2cWrite2(uint8_t registerAddress, uint8_t data, bool sendStop) {
  return i2cWrite(registerAddress, &data, 1, sendStop); // Returns 0 on success
}
 
uint8_t i2cRead(uint8_t registerAddress, uint8_t* data, uint8_t nbytes) {
  uint32_t timeOutTimer;
  Wire.beginTransmission(IMUAddress);
  Wire.write(registerAddress);
  if(Wire.endTransmission(false))
    return 1;
  Wire.requestFrom(IMUAddress, nbytes,(uint8_t)true);
  for(uint8_t i = 0; i < nbytes; i++) {
    if(Wire.available())
      data[i] = Wire.read();
    else {
      timeOutTimer = micros();
      while(((micros() - timeOutTimer) < I2C_TIMEOUT) && !Wire.available());
      if(Wire.available())
        data[i] = Wire.read();
      else
        return 2;
    }
  }
  return 0;
}

const int rightClickPin = 4; // Right-click button connected to digital pin 2
const int leftClickPin = 5;  // Left-click button connected to digital pin 3
bool lastRightButtonState = HIGH;
bool lastLeftButtonState = HIGH;

void setup() {
  Wire.begin();

  i2cData[0] = 7;
  i2cData[1] = 0x00;
  i2cData[3] = 0x00;

  while(i2cWrite(0x19, i2cData, 4, false));
  while(i2cWrite2(0x6B, 0x01, true));
  while(i2cRead(0x75, i2cData, 1));
  delay(100);
  while(i2cRead(0x3B,i2cData,6));
 
  timer = micros();
  Serial.begin(115200);
  bleMouse.begin();
  delay(100);
  pinMode(rightClickPin, INPUT); // Initialize the right-click button pin as input
  pinMode(leftClickPin, INPUT);
 
}

void loop() {
  while(i2cRead(0x3B,i2cData,14));
 
  gyroX = ((i2cData[8] << 8) | i2cData[9]);
  gyroZ = ((i2cData[12] << 8) | i2cData[13]);
 
  gyroX = gyroX / Sensitivity / 1.1  * -1;
  gyroZ = gyroZ / Sensitivity  * -1;

  if(bleMouse.isConnected()){
    Serial.print(gyroX);
    Serial.print("   ");
    Serial.print(gyroZ);
    Serial.print("\r\n");
    bleMouse.move(gyroZ, -gyroX);
  }
  delay(delayi);
  bool currentLeftButtonState = digitalRead(leftClickPin);
  if (currentLeftButtonState == HIGH && lastLeftButtonState == LOW) {
    bleMouse.press(MOUSE_LEFT); // Press left mouse button
  } else if (currentLeftButtonState == LOW && lastLeftButtonState == HIGH) {
    bleMouse.release(MOUSE_LEFT); // Release left mouse button
  }
  lastLeftButtonState = currentLeftButtonState;

  // Right click button logic
  bool currentRightButtonState = digitalRead(rightClickPin);
  if (currentRightButtonState == HIGH && lastRightButtonState == LOW) {
    bleMouse.press(MOUSE_RIGHT); // Press right mouse button
  } else if (currentRightButtonState == LOW && lastRightButtonState == HIGH) {
    bleMouse.release(MOUSE_RIGHT); // Release right mouse button
  }
  lastRightButtonState = currentRightButtonState;

  Serial.print("Left Button state: ");
  Serial.println(currentLeftButtonState);
  Serial.print("Left Button state: ");
  Serial.println(currentRightButtonState);



}