paj7620u2代码

以下是一个使用Arduino控制paj7620u2手势识别模块的示例代码：

#include <Wire.h>

#define PAJ7620_ADDR 0x73
#define REGITER_NUM 0xFF

#define GES_RIGHT_FLAG 0x01
#define GES_LEFT_FLAG 0x02
#define GES_UP_FLAG 0x04
#define GES_DOWN_FLAG 0x08
#define GES_FORWARD_FLAG 0x10
#define GES_BACKWARD_FLAG 0x20
#define GES_CLOCKWISE_FLAG 0x40
#define GES_COUNT_CLOCKWISE_FLAG 0x80
#define GES_WAVE_FLAG 0x100

void setup()
{
  Wire.begin();

  initGesture();
}

void loop()
{
  uint8_t data = readGesture();

  if(data & GES_RIGHT_FLAG)
  {
    Serial.println("Right");
  }
  else if(data & GES_LEFT_FLAG)
  {
    Serial.println("Left");
  }
  
  //其他手势识别的代码
  
  delay(100);
}

void initGesture()
{
  writeRegister(0xEF,0x00);
  writeRegister(0x32,0x29);
  writeRegister(0x33,0x01);
  writeRegister(0x34,0x00);
  writeRegister(0x35,0x01);
  writeRegister(0x36,0x00);
  writeRegister(0x37,0x07);
  writeRegister(0x38,0x17);
  writeRegister(0x39,0x06);
  writeRegister(0x3A,0x12);
  writeRegister(0x3F,0x00);
  writeRegister(0x40,0x02);
  writeRegister(0x41,0xFF);
  writeRegister(0x42,0x01);
  writeRegister(0x46,0x2D);
  writeRegister(0x47,0x0F);
  writeRegister(0x48,0x3C);
  writeRegister(0x49,0x00);
  writeRegister(0x4A,0x1E);
  writeRegister(0x4B,0x00);
  writeRegister(0x4C,0x20);
  writeRegister(0x4D,0x00);
  writeRegister(0x4E,0x1A);
  writeRegister(0x4F,0x14);
  writeRegister(0x50,0x00);
  writeRegister(0x51,0x10);
  writeRegister(0x52,0x00);
  writeRegister(0x5C,0x02);
  writeRegister(0x5D,0x00);
}

uint8_t readGesture()
{
  uint8_t data = readRegister(0x43);

  switch(data)
  {
    case GES_RIGHT_FLAG:
    case GES_LEFT_FLAG:
    case GES_UP_FLAG:
    case GES_DOWN_FLAG:
    case GES_FORWARD_FLAG:
    case GES_BACKWARD_FLAG:
    case GES_CLOCKWISE_FLAG:
    case GES_COUNT_CLOCKWISE_FLAG:
    case GES_WAVE_FLAG:
      return data;
      
    default:
      return 0;
  }
}

void writeRegister(uint8_t reg, uint8_t value)
{
  Wire.beginTransmission(PAJ7620_ADDR);
  Wire.write(reg);
  Wire.write(value);
  Wire.endTransmission();
}

uint8_t readRegister(uint8_t reg)
{
  Wire.beginTransmission(PAJ7620_ADDR);
  Wire.write(reg);
  Wire.endTransmission(false);
  
  Wire.requestFrom(PAJ7620_ADDR, 1);
  
  while(!Wire.available()){}
  
  return Wire.read();
}