adc_demo.h

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/***************************************************************************/
#ifndef IIO_DEMO_ADC_
#define IIO_DEMO_ADC_
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
 
#include <stdint.h>
#include "iio_types.h"
#include "no_os_irq.h"
 
/******************************************************************************/
/*************************** Types Declarations *******************************/
/******************************************************************************/
 
#define MAX_ADC_ADDR        16
/* For testing a maximum of 16 channels can be enabled */
#ifndef TOTAL_ADC_CHANNELS
#define TOTAL_ADC_CHANNELS 2
#endif
 
struct adc_demo_desc {
    uint8_t reg[MAX_ADC_ADDR];
    uint32_t adc_global_attr;
    uint32_t adc_ch_attr[MAX_ADC_ADDR];
    uint32_t active_ch;
    uint32_t ext_buff_len;
    uint16_t **ext_buff;
};
 
struct adc_demo_init_param {
    uint32_t dev_global_attr;
    uint32_t dev_ch_attr[MAX_ADC_ADDR];
    uint32_t ext_buff_len;
    uint16_t **ext_buff;
};
 
enum iio_adc_demo_attributes {
    ADC_CHANNEL_ATTR,
    ADC_GLOBAL_ATTR,
};
 
extern const uint16_t sine_lut[128];
 
/******************************************************************************/
/************************ Functions Declarations ******************************/
/******************************************************************************/
 
int32_t adc_demo_init(struct adc_demo_desc **desc,
              struct adc_demo_init_param *param);
 
int32_t adc_demo_remove(struct adc_demo_desc *desc);
 
int32_t update_adc_channels(void *dev, uint32_t mask);
 
int32_t close_adc_channels(void* dev);
 
int32_t adc_submit_samples(struct iio_device_data *dev_data);
 
int32_t adc_demo_reg_read(struct adc_demo_desc *desc, uint8_t reg_index,
              uint8_t *readval);
 
int32_t adc_demo_reg_write(struct adc_demo_desc *desc, uint8_t reg_index,
               uint8_t writeval);
 
int32_t adc_demo_trigger_handler(struct iio_device_data *dev_data);
 
#endif /*IIO_DEMO_ADC_*/