core/accelerometer/accelero.c File Reference

#include "sceptre.h"
#include "accelero.h"

Go to the source code of this file.

Defines
#define	ADC_START_CONVERSION   AD0CR |= (1<<24)
#define	ADC_STOP_CONVERSION   AD0CR &= 0xf8ffffff
#define	ADC_CHANNEL_123   0x0000000e
#define	ADC_GDR_DONE   (1<<31)
Functions
void	accelero_init (int adc_clock)
void	accelero_sleep (int sleep)
float	accelero_read_one (int channel)
int	accelero_read (float *p_dst)

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Detailed Description

Low-level accelerometer driver implementation.

Definition in file accelero.c.

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Function Documentation

void accelero_init

(

int

adc_clock

)

Initialize the accelerometer.

Parameters:

adc_clock

Clock frequency of the A/D converter.

Definition at line 38 of file accelero.c.

int accelero_read

(

float *

p_dst

)

Read all channels of the accelerometer.

Parameters:

p_dst

Address to write the accelerometer data to.

Returns:

The number of bytes written.

Definition at line 90 of file accelero.c.

float accelero_read_one

(

int

channel

)

Read one channel of the accelerometer.

Parameters:

channel

Accelerometer channel to read.

Returns:

The value of the accelerometer channel.

Definition at line 70 of file accelero.c.

void accelero_sleep

(

int

sleep

)

Control the accelerometer's sleep mode.

Parameters:

sleep

ACCELEROMETER_OFF or ACCELEROMETER_ON

Definition at line 57 of file accelero.c.