MPU-9250 motion sensor

MPU-9250 motion sensor. More...

Data Structures
struct	drv_mpu9250_init_t
	TWI communication initialization struct. More...

Functions
uint32_t	drv_mpu9250_enable (bool enable)
	Function to enable/disable the mpu9250 driver. More...
uint32_t	drv_mpu9250_init (drv_mpu9250_init_t *p_params)
	Function for initializing the mpu9250 driver. More...
int	drv_mpu9250_int_register (struct int_param_s *p_int_param)
	Function for enabling and registering the mpu9250 interrupt calback. More...
int	drv_mpu9250_ms_get (unsigned long *p_count)
	Function for getting a timestamp in milliseconds. More...
int	drv_mpu9250_read (unsigned char slave_addr, unsigned char reg_addr, unsigned char length, unsigned char *p_data)
	Function for reading a mpu9250 register. More...
int	drv_mpu9250_write (unsigned char slave_addr, unsigned char reg_addr, unsigned char length, unsigned char const *p_data)
	Function for writing to a mpu9250 register. More...

Detailed Description

MPU-9250 motion sensor.

Function Documentation

uint32_t drv_mpu9250_enable

(

bool

enable

)

Function to enable/disable the mpu9250 driver.

Parameters

[in]

enable

Enables the device.

Return values

NRF_SUCCESS.

uint32_t drv_mpu9250_init

(

drv_mpu9250_init_t *

p_params

)

Function for initializing the mpu9250 driver.

Parameters

[in]

p_params

Pointer to the init paramter structure.

Return values

NRF_SUCCESS.

int drv_mpu9250_int_register

(

struct int_param_s *

p_int_param

)

Function for enabling and registering the mpu9250 interrupt calback.

Parameters

[in]

int_param

Pointer to the interrup parameter structure.

Return values

0	if success. Else -1.

int drv_mpu9250_ms_get

(

unsigned long *

p_count

)

Function for getting a timestamp in milliseconds.

Parameters

[out]

p_count

Pointer to the timestamp.

Return values

0	if success. Else -1.

int drv_mpu9250_read	(	unsigned char	slave_addr,
		unsigned char	reg_addr,
		unsigned char	length,
		unsigned char *	p_data
	)

Function for reading a mpu9250 register.

Parameters

[in]	slave_addr	Slave address on the TWI bus.
[in]	reg_addr	Register address to read.
[in]	length	Length of the data to read.
[out]	data	Pointer to where the data should be read.

Return values

0	if success. Else -1.

int drv_mpu9250_write	(	unsigned char	slave_addr,
		unsigned char	reg_addr,
		unsigned char	length,
		unsigned char const *	p_data
	)

Function for writing to a mpu9250 register.

Parameters

[in]	slave_addr	Slave address on the TWI bus.
[in]	reg_addr	Register address to write.
[in]	length	Length of the data to write.
[in]	data	Pointer to the data to write.

Return values

0	if success. Else -1.