sam7fc/include/at91_adc.h

#ifndef AT91_ADC_H_
#define AT91_ADC_H_

#include <stdint.h>

#define ADC_GYRO_NICK	0
#define ADC_GYRO_ROLL	1
#define ADC_GYRO_GIER	2

#define ADC_ACC_NICK	3
#define ADC_ACC_ROLL	4
#define ADC_ACC_GIER	5

#define ADC_VOLTAGE	6

// TODO: not all flags are public
#define ADC_COMPLETE		0x0001
#define ADC_CAL_GYRO		0x0100
#define ADC_CAL_GYRO_COMPLETE	0x0200
#define ADC_CAL_ACC		0x1000
#define ADC_CAL_ACC_COMPLETE	0x2000
#define ADC_CAL_ACC_LOAD	0x4000

void adc_trigger(void);
void adc_get_results(int16_t *adc_result);

void adc_calibrate(uint32_t mode);
void adc_drift_adjust(int16_t nick, int16_t roll, int16_t yaw);

void at91_adc_init(void);

#endif /* AT91_ADC_H_ */