app_support.h

Go to the documentation of this file.

/***************************************************************************/
#ifndef AD405X_SUPPORT_H_
#define AD405X_SUPPORT_H_
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
#include <stdint.h>
 
#include "iio.h"
#include "app_config.h"
#include "ad405x.h"
 
/******************************************************************************/
/********************** Macros and Constants Definition ***********************/
/******************************************************************************/
/* Timeout count to avoid stuck into potential infinite loop while checking
 * for new data whenever the BUSY pin goes low. The actual timeout factor is determined
 * through 'sampling_frequency' attribute of IIO app, but this period here makes sure
 * we are not stuck into a forever loop in case data capture is interrupted
 * or failed in between.
 * Note: This timeout factor is dependent upon the MCU clock frequency. Below timeout
 * is tested for SDP-K1 platform @180Mhz default core clock */
#define BUF_READ_TIMEOUT    0xffffffff
 
/******************************************************************************/
/********************** Variables and User Defined Data Types *****************/
/******************************************************************************/
struct ad405x_support_desc {
    int32_t (*submit)(struct iio_device_data *dev);
    int32_t (*pre_enable)(void *dev, uint32_t mask);
    int32_t (*post_disable)(void *dev);
    int32_t (*trigger_handler)(struct iio_device_data *dev);
};
 
extern const struct ad405x_support_desc *support_desc[];
 
#endif /* AD405X_SUPPORT_H_ */