driver_max6675.h

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#ifndef DRIVER_MAX6675_H
#define DRIVER_MAX6675_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif



typedef struct max6675_handle_s
{
    uint8_t (*spi_init)(void);                                  
    uint8_t (*spi_deinit)(void);                                
    uint8_t (*spi_read_cmd)(uint8_t *buf, uint16_t len);        
    void (*delay_ms)(uint32_t ms);                              
    void (*debug_print)(const char *const fmt, ...);            
    uint8_t inited;                                             
} max6675_handle_t;

typedef struct max6675_info_s
{
    char chip_name[32];                
    char manufacturer_name[32];        
    char interface[8];                 
    float supply_voltage_min_v;        
    float supply_voltage_max_v;        
    float max_current_ma;              
    float temperature_min;             
    float temperature_max;             
    uint32_t driver_version;           
} max6675_info_t;



#define DRIVER_MAX6675_LINK_INIT(HANDLE, STRUCTURE)               memset(HANDLE, 0, sizeof(STRUCTURE))

#define DRIVER_MAX6675_LINK_SPI_INIT(HANDLE, FUC)                (HANDLE)->spi_init = FUC

#define DRIVER_MAX6675_LINK_SPI_DEINIT(HANDLE, FUC)              (HANDLE)->spi_deinit = FUC

#define DRIVER_MAX6675_LINK_SPI_READ_COMMAND(HANDLE, FUC)        (HANDLE)->spi_read_cmd = FUC

#define DRIVER_MAX6675_LINK_DELAY_MS(HANDLE, FUC)                (HANDLE)->delay_ms = FUC

#define DRIVER_MAX6675_LINK_DEBUG_PRINT(HANDLE, FUC)             (HANDLE)->debug_print = FUC



uint8_t max6675_info(max6675_info_t *info);

uint8_t max6675_init(max6675_handle_t *handle);

uint8_t max6675_deinit(max6675_handle_t *handle);

uint8_t max6675_read(max6675_handle_t *handle,uint16_t *raw, float *temp);



uint8_t max6675_get_reg(max6675_handle_t *handle, uint16_t *data);


 
#ifdef __cplusplus
}
#endif
 
#endif