driver_sht4x.h

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#ifndef DRIVER_SHT4X_H
#define DRIVER_SHT4X_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif



typedef enum
{
    SHT4X_ADDRESS_0 = (0x44 << 1),        
    SHT4X_ADDRESS_1 = (0x45 << 1),        
    SHT4X_ADDRESS_2 = (0x46 << 1),        
} sht4x_address_t;

typedef enum
{
    SHT4X_MODE_HIGH_PRECISION_WITH_NO_HEATER         = 0xFD,        
    SHT4X_MODE_MEDIUM_PRECISION_WITH_NO_HEATER       = 0xF6,        
    SHT4X_MODE_LOWEST_PRECISION_WITH_NO_HEATER       = 0xE0,        
    SHT4X_MODE_HIGH_PRECISION_WITH_HEATER_200MW_1S   = 0x39,        
    SHT4X_MODE_HIGH_PRECISION_WITH_HEATER_200MW_0P1S = 0x32,        
    SHT4X_MODE_HIGH_PRECISION_WITH_HEATER_110MW_1S   = 0x2F,        
    SHT4X_MODE_HIGH_PRECISION_WITH_HEATER_110MW_0P1S = 0x24,        
    SHT4X_MODE_HIGH_PRECISION_WITH_HEATER_20MW_1S    = 0x1E,        
    SHT4X_MODE_HIGH_PRECISION_WITH_HEATER_20MW_0P1S  = 0x15,        
} sht4x_mode_t;

typedef struct sht4x_handle_s
{
    uint8_t (*iic_init)(void);                                                 
    uint8_t (*iic_deinit)(void);                                               
    uint8_t (*iic_write_cmd)(uint8_t addr, uint8_t *buf, uint16_t len);        
    uint8_t (*iic_read_cmd)(uint8_t addr, uint8_t *buf, uint16_t len);         
    void (*delay_ms)(uint32_t ms);                                             
    void (*debug_print)(const char *const fmt, ...);                           
    uint8_t iic_addr;                                                          
    uint8_t inited;                                                            
} sht4x_handle_t;

typedef struct sht4x_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;           
} sht4x_info_t;



#define DRIVER_SHT4X_LINK_INIT(HANDLE, STRUCTURE)            memset(HANDLE, 0, sizeof(STRUCTURE))

#define DRIVER_SHT4X_LINK_IIC_INIT(HANDLE, FUC)              (HANDLE)->iic_init = FUC

#define DRIVER_SHT4X_LINK_IIC_DEINIT(HANDLE, FUC)            (HANDLE)->iic_deinit = FUC

#define DRIVER_SHT4X_LINK_IIC_READ_COMMAND(HANDLE, FUC)      (HANDLE)->iic_read_cmd = FUC

#define DRIVER_SHT4X_LINK_IIC_WRITE_COMMAND(HANDLE, FUC)     (HANDLE)->iic_write_cmd = FUC

#define DRIVER_SHT4X_LINK_DELAY_MS(HANDLE, FUC)              (HANDLE)->delay_ms = FUC

#define DRIVER_SHT4X_LINK_DEBUG_PRINT(HANDLE, FUC)           (HANDLE)->debug_print = FUC



uint8_t sht4x_info(sht4x_info_t *info);

uint8_t sht4x_set_addr(sht4x_handle_t *handle, sht4x_address_t addr);

uint8_t sht4x_get_addr(sht4x_handle_t *handle, sht4x_address_t *addr);

uint8_t sht4x_init(sht4x_handle_t *handle);

uint8_t sht4x_deinit(sht4x_handle_t *handle);

uint8_t sht4x_read(sht4x_handle_t *handle, sht4x_mode_t mode, 
                   uint16_t *temperature_raw, float *temperature_s, 
                   uint16_t *humidity_raw, float *humidity_s);

uint8_t sht4x_soft_reset(sht4x_handle_t *handle);

uint8_t sht4x_get_serial_number(sht4x_handle_t *handle, uint8_t num[4]);



uint8_t sht4x_write_read(sht4x_handle_t *handle, uint8_t cmd, uint16_t delay_ms, uint8_t *data, uint16_t len);


 
#ifdef __cplusplus
}
#endif
 
#endif