Ejemplo n.º 1
0
inline void MPU6050_getMotion6(int16_t* ax,
                        int16_t* ay,
                        int16_t* az,
                        int16_t* gx,
                        int16_t* gy,
                        int16_t* gz,
                        uint8_t use_calib)
{
    uint8_t tx_buf[1]; uint8_t tx_len;
    tx_buf[0] = MPU6050_RA_ACCEL_XOUT_H;
    tx_len = 1;

    uint8_t rx_len = 14;
    uint8_t rx_buf[rx_len];

    i2c_writeBytes(mpu6050_dev_addr, tx_buf, tx_len, 0);
    i2c_readBytes(mpu6050_dev_addr, rx_buf, rx_len, 0);

    *ax = (((int16_t)rx_buf[0]) << 8) | rx_buf[1];
    *ay = (((int16_t)rx_buf[2]) << 8) | rx_buf[3];
    *az = (((int16_t)rx_buf[4]) << 8) | rx_buf[5];
    *gx = (((int16_t)rx_buf[8]) << 8) | rx_buf[9];
    *gy = (((int16_t)rx_buf[10]) << 8) | rx_buf[11];
    *gz = (((int16_t)rx_buf[12]) << 8) | rx_buf[13];
    if(use_calib == 1)
    {
		*gx -= gx0;
		*gy -= gy0;
		*gz -= gz0;
    }

}
Ejemplo n.º 2
0
/*
 * Just for accessing HMC from MC
 * data got from http://forum.arduino.cc/index.php?topic=223345.msg2142479#msg2142479
 */
void MPU6050_setBypassMode()
{
    uint8_t tx_len = 2;
    uint8_t tx_buf[tx_len];

    tx_buf[0] = 0x37; // register address
    tx_buf[1] = 0x02; // needed value

    i2c_writeBytes(mpu6050_dev_addr, tx_buf, tx_len, 0);

    tx_buf[0] = 0x6A; // register address
    tx_buf[1] = 0x00; // needed value

    i2c_writeBytes(mpu6050_dev_addr, tx_buf, tx_len, 0);

}
Ejemplo n.º 3
0
void MPU6050_getFIFOBytes(uint8_t *data, uint8_t length) {
    uint8_t tx_buf;
    tx_buf = MPU6050_RA_FIFO_R_W;


    i2c_writeBytes(mpu6050_dev_addr, &tx_buf, 1, 0);
    i2c_readBytes(mpu6050_dev_addr, data, length, 0);
}
Ejemplo n.º 4
0
void hmc5883l_writeConfiguration( hmc5883l_configuration_t *conf ){
	DEBUG_FUNC_ENTER();

	i2c_writeBytes( HMC5883L_SLAVER, HMC5883L_REG_ADDR_CONF_A,
			(uint8_t*)conf, 3 );

	DEBUG_FUNC_EXIT();
}
Ejemplo n.º 5
0
/** Send a reset command.
 * The Reset sequence shall be sent once after power-on to make
 * sure that the calibration PROM gets loaded into the internal
 * register. It can be also used to reset the device ROM from
 * an unknown condition.
 * @return Status of operation (true = success)
 */
bool_t ms561101ba_reset(void) {
	return i2c_writeBytes(MS561101BA_DEFAULT_ADDRESS, MS561101BA_RA_RESET, 0, NULL);
}
Ejemplo n.º 6
0
void MPU6050_setSampleRateDiv(uint8_t data) {

    uint8_t tx_buf[2] = {MPU6050_RA_SMPLRT_DIV, data};
    i2c_writeBytes(mpu6050_dev_addr, tx_buf, 2, 0);
}