ltc2312.h

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#ifndef LTC231X_H
#define LTC231X_H
 
#ifndef LTC2315_CS
#define LTC2315_CS QUIKEVAL_CS
#endif
 
// Channel Address
#define LTC2315_ADDRESS 0x00
 
#define LTC2312_READ_BYTES_NUMBER 2
#define LTC2312_READ_VALUES_NUMBER 100
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
#include <stdint.h>
#include "no_os_delay.h"
#include "no_os_spi.h"
 
/******************************************************************************/
/*************************** Types Declarations *******************************/
/******************************************************************************/
enum device_type {
    LTC2312_12,
    LTC2312_14
};
 
struct ltc2312_dev {
    /* Device characteristics */
    enum device_type type;
    /* SPI */
    struct no_os_spi_desc *spi_desc;
};
 
struct ltc2312_init_param {
    /* Device characteristics */
    enum device_type type;
    /* SPI */
    struct no_os_spi_init_param spi_init;
};
 
/******************************************************************************/
/************************ Functions Declarations ******************************/
/******************************************************************************/
/* Initializes the ltc231x. */
int32_t ltc2312_setup(struct ltc2312_dev **device,
              struct ltc2312_init_param *init_param);
 
/* Free the resources allocated by ltc231x_setup(). */
int32_t ltc2312_remove(struct ltc2312_dev *dev);
 
/* Reads the LTC2315 and returns 32-bit data in offset binary format. */
int32_t ltc2312_read(struct ltc2312_dev *dev, uint16_t *ptr_adc_code);
 
/* Calculates the LTC2315 input voltage given the binary data and LSB weight. */
void ltc2312_code_to_voltage(struct ltc2312_dev *dev, uint16_t adc_code,
                 float vref, float *voltage);
 
#endif  //  LTC2315_H