ad4130_support.h

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/***************************************************************************/
#ifndef AD4130_SUPPORT_H_
#define AD4130_SUPPORT_H_
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
 
#include <stdint.h>
#include "ad413x.h"
 
/******************************************************************************/
/********************** Macros and Constants Definition ***********************/
/******************************************************************************/
 
#define AD413X_ADDR(x)      ((x) & 0xFF)
 
#define AD4130_INT_SRC_SEL_MSK      NO_OS_GENMASK(9, 8)
#define AD4130_FILTER_FS_MSK        NO_OS_GENMASK(10, 0)
#define AD4130_FIFO_MODE_MSK        NO_OS_GENMASK(17, 16)
#define AD413X_WATERMARK_MSK        NO_OS_GENMASK(7, 0)
 
#define AD413X_COMM_REG_RD          NO_OS_BIT(6)
 
/******************************************************************************/
/********************** Variables and User Defined Data Types *****************/
/******************************************************************************/
 
/* FIFO modes */
typedef enum {
    FIFO_DISABLED,
    FIFO_OLDEST_SAVE_MODE,
    FIFO_STREAM_MODE
} fifo_mode_e;
 
/* ADC conversion interrupt source */
typedef enum {
    INT_PIN,
    CLK_PIN,
    GPIO1_PIN
} adc_conv_int_source_e;
 
/******************************************************************************/
/************************ Public Declarations *********************************/
/******************************************************************************/
 
float ad4130_get_reference_voltage(struct ad413x_dev *dev, uint8_t chn);
int32_t perform_sign_conversion(struct ad413x_dev *dev, uint32_t adc_raw_data,
                uint8_t chn);
float convert_adc_sample_into_voltage(void *dev, uint32_t adc_raw,
                      uint8_t chn);
float convert_adc_data_to_voltage_wrt_vref(void *dev, int32_t code,
        uint8_t chn);
float convert_adc_data_to_voltage_without_vref(void *dev, int32_t code,
        uint8_t chn);
float convert_adc_raw_into_rtd_resistance(void *dev, uint32_t adc_raw,
        float rtd_ref, uint8_t chn);
int32_t ad4130_read_fifo(struct ad413x_dev *dev, uint32_t *data,
             uint32_t adc_samples);
int32_t ad413x_read_single_sample(struct ad413x_dev *dev, uint8_t input_chn,
                  uint32_t *adc_raw);
int32_t ad413x_mon_conv_and_read_data(struct ad413x_dev *dev,
                      uint32_t *raw_data);
int32_t ad413x_set_int_source(struct ad413x_dev *dev,
                  adc_conv_int_source_e conv_int_source);
int32_t ad413x_set_filter_fs(struct ad413x_dev *dev, uint32_t fs,
                 uint8_t preset);
 
#endif /* AD4130_SUPPORT_H_ */