max11205.h

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/***************************************************************************/
#ifndef __MAX11205_H__
#define __MAX11205_H__
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
#include <stdint.h>
#include <stdbool.h>
#include "no_os_gpio.h"
#include "no_os_irq.h"
#include "no_os_spi.h"
#include "no_os_util.h"
 
/******************************************************************************/
/********************** Macros and Constants Definitions **********************/
/******************************************************************************/
#define MAX11205_VREF_MAX_MV        3600
#define MAX11205_DATA_SIZE_BYTES    2
#define MAX11205_SCALE          NO_OS_GENMASK(14,0)
 
/******************************************************************************/
/*************************** Types Declarations *******************************/
/******************************************************************************/
struct max11205_dev {
    struct no_os_spi_desc       *spi_desc;
    struct no_os_gpio_desc      *gpio_rdy;
    struct no_os_irq_ctrl_desc  *irq_ctrl;
    struct no_os_callback_desc  irq_cb;
    uint32_t            vref_mv;
    int16_t             adc_data_raw;
    bool                data_updated;
};
 
struct max11205_init_param {
    struct no_os_spi_init_param     spi_init;
    struct no_os_gpio_init_param    *gpio_rdy;
    struct no_os_irq_ctrl_desc  *irq_ctrl;
    uint32_t            vref_mv;
};
 
int max11205_init(struct max11205_dev **device,
          struct max11205_init_param init_param);
int max11205_get_data_raw(struct max11205_dev *dev, bool *new_data_avail,
              int16_t *data_raw);
int max11205_get_data_mv(struct max11205_dev *dev, int16_t raw_data,
             int32_t *data_mv);
 
int max11205_remove(struct max11205_dev *dev);
 
#endif /* __MAX11205_H__ */