A3G4250D

Data Structures
struct	A3G4250D_t

Functions
A3G4250D_t	A3G4250D_init (A3G4250D_t *, SPI_t *, GPIOpin_t, const float, const uint8_t *, const int8_t *)
	Initialiser for a A3G4250D gyroscope.
void	A3G4250D_update (Gyro_t *)
	Updates internally stored gyro readings.
void	A3G4250D_readGyro (Gyro_t *, float *)
	Read 3-axis floating point gyro rates.
void	A3G4250D_readRawBytes (Gyro_t *, uint8_t *)
	Read raw 3-axis data.
void	A3G4250D_processRawBytes (Gyro_t *, uint8_t *, float *)
	Process raw 3-axis data to floating point gyro rates.

Detailed Description

Function Documentation

A3G4250D_init()

A3G4250D_t A3G4250D_init	(	A3G4250D_t *	gyro,
		SPI_t *	spi,
		GPIOpin_t	cs,
		float	sensitivity,
		const uint8_t *	axes,
		const int8_t *	sign )

Initialiser for a A3G4250D gyroscope.

Parameters

*gyro	Pointer to A3G4250D struct to be initialised.
*port	Pointer to GPIO port struct.
cs	Device chip select address.
scale	Selected scale for read gyro rates.
*axes	Array defining sensor mounting axes.

Returns

NULL.

---

Definition at line 30 of file a3g4250d.c.

A3G4250D_update()

void A3G4250D_update

(

Gyro_t *

gyro

)

Updates internally stored gyro readings.

Parameters

*gyro

Pointer to gyro struct.

Returns

NULL.

---

Definition at line 94 of file a3g4250d.c.

A3G4250D_readGyro()

void A3G4250D_readGyro	(	Gyro_t *	gyro,
		float *	out )

Read 3-axis floating point gyro rates.

Parameters

*gyro	Pointer to gyro struct.
*out	Floating point gyro rate array.

Returns

NULL.

---

Definition at line 80 of file a3g4250d.c.

A3G4250D_readRawBytes()

void A3G4250D_readRawBytes	(	Gyro_t *	gyro,
		uint8_t *	out )

Read raw 3-axis data.

Parameters

*gyro	Pointer to gyro struct.
*out	Raw 3-axis data array to write.

Returns

NULL.

---

Definition at line 125 of file a3g4250d.c.

A3G4250D_processRawBytes()

void A3G4250D_processRawBytes	(	Gyro_t *	gyro,
		uint8_t *	bytes,
		float *	out )

Process raw 3-axis data to floating point gyro rates.

Parameters

*gyro	Pointer to gyro struct.
*bytes	Raw 3-axis data array.
*out	Processed 3-axis data array to write.

Returns

NULL.

---

Definition at line 109 of file a3g4250d.c.