IMU sensors

Collaboration diagram for IMU sensors:

Modules
	Routines to calibrate sensors
	Functions for accelerometer ADXL345
	Functions for Gyrometer ITG3200
	Functions to Magnetometer HMC5883

Functions
int	mag_write_reg (int i2c_dev, uint8_t reg, uint8_t data)
	WRITE TO REGISTER. More...

Detailed Description

Function Documentation

int mag_write_reg	(	int	i2c_dev,
		uint8_t	reg,
		uint8_t	data
	)

WRITE TO REGISTER.

Parameters

	i2c_dev
	reg
[in]		WRITE TO REGISTER.

Implements the I2C communication between Gumstix Overo Fire and HMC5883

Author

Caio Gustavo Mesquita Ângelo

Definition at line 10 of file mag_functions.c.

References MAG_MODE.

Referenced by mag_init().

{
  uint8_t reg_data[2];

  reg_data[0] = reg;
  reg_data[1] = data;

  if( MAG_MODE<reg )
  {
      //perror("Write unsucessful: Not a valid writable register");
      return -1;
  }
        
  if (write(i2c_dev, &reg_data, 2) != 2) {               
          //perror("Write unsuccessful");
          return -1;
  }

  return 1;
}

Here is the caller graph for this function: