ad4692_iio.h

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/***************************************************************************/
#ifndef AD4692_IIO_H_
#define AD4692_IIO_H_
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
 
#include <stdio.h>
#include <stdbool.h>
 
#include "iio.h"
#include "iio_types.h"
 
/******************************************************************************/
/****************************** Macros ****************************************/
/******************************************************************************/
 
/******************************************************************************/
/*************************** Types Declarations *******************************/
/******************************************************************************/
 
/* Enum of interface modes */
enum ad4692_interface_modes {
    SPI_DMA,
    SPI_INTR
};
 
/* Enum of data capture modes */
enum ad4692_data_capture_modes {
    CONTINUOUS,
    BURST
};
 
/* AD4692 attribute unique IDs */
enum ad4692_attribute_ids {
    ADC_RAW_ATTR_ID,
    ADC_SCALE_ATTR_ID,
    ADC_OFFSET_ATTR_ID,
    ACC_COUNT_ATTR_ID,
    ADC_CHN_PRIORITY_ATTR_ID,
    NUM_OF_CHN_ATTR,
 
    ADC_SAMPLING_FREQUENCY_ATTR_ID,
    ADC_MODE_ATTR_ID,
    SEQUENCER_MODE_ATTR_ID,
    INTERFACE_MODE_ATTR_ID,
    DATA_CAPTURE_MODE_ATTR_ID,
    OSC_FREQUENCY_ATTR_ID,
    SEQUENCE_LENGTH_ATTR_ID,
    READBACK_OPTION_ATTR_ID,
    RESTART_IIO_ATTR_ID,
    NUM_OF_DEV_ATTR = RESTART_IIO_ATTR_ID - NUM_OF_CHN_ATTR
};
 
/******************************************************************************/
/************************ Functions Declarations ******************************/
/******************************************************************************/
 
int ad4692_iio_attr_available_set(void *device, char *buf, uint32_t len,
                  const struct iio_ch_info *channel, intptr_t priv);
int ad4692_iio_attr_available_get(void *device, char *buf, uint32_t len,
                  const struct iio_ch_info *channel, intptr_t priv);
int ad4692_iio_attr_set(void *device, char *buf, uint32_t len,
            const struct iio_ch_info *channel, intptr_t priv);
int ad4692_iio_attr_get(void *device, char *buf, uint32_t len,
            const struct iio_ch_info *channel, intptr_t priv);
 
extern struct ad4692_desc *ad4692_dev;
extern uint32_t ad4692_sampling_frequency;
extern enum ad4692_interface_modes ad4692_interface_mode;
extern enum ad4692_data_capture_modes ad4692_data_capture_mode;
extern uint8_t buf_offset;
 
#endif /* AD4692_IIO_H_ */