KX134-1211

Data Structures
struct	KX134_1211_t

Functions
KX134_1211_t	KX134_1211_init (KX134_1211_t *, SPI_t *, GPIOpin_t, const uint8_t, const uint8_t *, const int8_t *)
	Initialiser for a KX134-1211 accelerometer.
void	KX134_1211_update (Accel_t *)
	Update internally stored acceleration readings.
void	KX134_1211_readAccel (Accel_t *, float *)
	Read 3-axis floating point accelerations.
void	KX134_1211_readRawBytes (Accel_t *, uint8_t *)
	Read raw 3-axis data.
void	KX134_1211_processRawBytes (Accel_t *, uint8_t *, float *)
	Process raw 3-axis data to floating point accelerations.

Detailed Description

See also

Accelerometer for details on base API Reference struct.

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Data Structure Documentation

KX134_1211_t

struct KX134_1211_t

Definition at line 44 of file kx134_1211.h.

Data Fields
Accel_t	base	Base accelerometer API.
SPI_t *	spi	Parent SPI interface.
GPIOpin_t	cs	Chip select GPIO.
float	sensitivity	Accelerometer sensitivity.
uint8_t	axes[KX134_1211_DATA_COUNT]	Array defining axes of mounting.
int8_t	sign[KX134_1211_DATA_COUNT]	Array defining sign of axes.
uint8_t	rawAccelData[KX134_1211_DATA_TOTAL]	Raw accelerations array.
float	accelData[KX134_1211_DATA_COUNT]	Processed accelerations array.

Function Documentation

KX134_1211_init()

KX134_1211_t KX134_1211_init	(	KX134_1211_t *	accel,
		SPI_t *	spi,
		GPIOpin_t	cs,
		uint8_t	scale,
		const uint8_t *	axes,
		const int8_t *	sign )

Initialiser for a KX134-1211 accelerometer.

Parameters

*accel	Pointer to KX134-1211 struct to be initialised.
*spi	Pointer to SPI peripheral struct.
cs	Device chip select GPIO.
scale	Selected scale for read accelerations.
*axes	Array defining sensor mounting axes.

Returns

NULL.

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Definition at line 27 of file kx134_1211.c.

KX134_1211_update()

void KX134_1211_update

(

Accel_t *

accel

)

Update internally stored acceleration readings.

Parameters

*accel

Pointer to accel struct.

Returns

NULL.

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Definition at line 105 of file kx134_1211.c.

KX134_1211_readAccel()

void KX134_1211_readAccel	(	Accel_t *	accel,
		float *	out )

Read 3-axis floating point accelerations.

Parameters

*accel	Pointer to accel struct.
*out	Floating point acceleration array.

Returns

NULL.

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Definition at line 92 of file kx134_1211.c.

KX134_1211_readRawBytes()

void KX134_1211_readRawBytes	(	Accel_t *	accel,
		uint8_t *	out )

Read raw 3-axis data.

Parameters

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

Returns

NULL.

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Definition at line 136 of file kx134_1211.c.

KX134_1211_processRawBytes()

void KX134_1211_processRawBytes	(	Accel_t *	accel,
		uint8_t *	bytes,
		float *	out )

Process raw 3-axis data to floating point accelerations.

Parameters

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

Returns

NULL.

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Definition at line 120 of file kx134_1211.c.