ads1274.h

/*******************************************************************************
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/*******************************************************************************
 * \file ads1274.h
 * 
 * \author MAV'RIC Team
 * \author Felix Schill
 *   
 * \brief This file is the Driver for the external ADC: ADS1274  
 * (4ch, 24 bit, SPI interface)
 *
 ******************************************************************************/


#ifndef ADS1274_H
#define ADS1274_H

#ifdef __cplusplus
    extern "C" {
#endif

#include <avr32/io.h>
#include "preprocessor.h"
#include <stdint.h>
#include <stdbool.h>
#include "user_board.h"


#define ADC_BUFFER_SIZE 1024
#define ADC_INPUT_CHANNELS 4
// -----  Pin configurations -------
#define ADC_SPI_PORT AVR32_SPI0
#define ADC_SPI_INDEX 0

typedef uint16_t (*generatorfunction)(uint32_t);

void ads1274_set_DAC_generator_function(generatorfunction new_function_generator );

void ads1274_init_DAC(void);

void ads1274_ADC_switch_clock(bool on_off);

void ads1274_ADC_switch_channel(int32_t channel, bool on_off);

void ads1274_ADC_set_mode(int32_t mode);

void ads1274_ADC_start_sampling(void);

void ads1274_ADC_start_oneshot(void);

void ads1274_ADC_stop_sampling(void);

bool Sampling_Complete(void);

int32_t get_interrupt_counter(void);

int32_t get_sampling_status(void);

float get_sample(int32_t channel, int32_t sample);

#ifdef __cplusplus
    }
#endif

#endif