driver_em4095.h

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#ifndef DRIVER_EM4095_H
#define DRIVER_EM4095_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif



#ifndef EM4095_MAX_LENGTH
    #define EM4095_MAX_LENGTH   384        
#endif

typedef enum
{
    EM4095_MODE_IDLE  = 0x00,        
    EM4095_MODE_READ  = 0x01,        
    EM4095_MODE_WRITE = 0x02,        
} em4095_mode_t;

typedef struct em4095_time_s
{
    uint64_t s;         
    uint32_t us;        
} em4095_time_t;

typedef struct em4095_decode_s
{
    em4095_time_t t;         
    uint32_t diff_us;        
    uint8_t level;           
} em4095_decode_t;

typedef struct em4095_handle_s
{
    uint8_t (*shd_gpio_init)(void);                              
    uint8_t (*shd_gpio_deinit)(void);                            
    uint8_t (*shd_gpio_write)(uint8_t data);                     
    uint8_t (*mod_gpio_init)(void);                              
    uint8_t (*mod_gpio_deinit)(void);                            
    uint8_t (*mod_gpio_write)(uint8_t data);                     
    uint8_t (*demod_gpio_init)(void);                            
    uint8_t (*demod_gpio_deinit)(void);                          
    uint8_t (*demod_gpio_read)(uint8_t *data);                   
    uint8_t (*timestamp_read)(em4095_time_t *t);                 
    void (*delay_ms)(uint32_t ms);                               
    void (*debug_print)(const char *const fmt, ...);             
    void (*receive_callback)(em4095_mode_t mode, 
                             em4095_decode_t *buf, 
                             uint16_t len);                      
    uint8_t inited;                                              
    em4095_decode_t decode[EM4095_MAX_LENGTH];                   
    uint16_t decode_len;                                         
    em4095_time_t last_time;                                     
    uint8_t mode;                                                
    uint16_t len;                                                
    uint32_t div;                                                
    uint32_t div_len;                                            
    uint8_t start_flag;                                          
    uint8_t last_bit;                                            
} em4095_handle_t;

typedef struct em4095_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;           
} em4095_info_t;



#define DRIVER_EM4095_LINK_INIT(HANDLE, STRUCTURE)           memset(HANDLE, 0, sizeof(STRUCTURE))

#define DRIVER_EM4095_LINK_SHD_GPIO_INIT(HANDLE, FUC)       (HANDLE)->shd_gpio_init = FUC

#define DRIVER_EM4095_LINK_SHD_GPIO_DEINIT(HANDLE, FUC)     (HANDLE)->shd_gpio_deinit = FUC

#define DRIVER_EM4095_LINK_SHD_GPIO_WRITE(HANDLE, FUC)      (HANDLE)->shd_gpio_write = FUC

#define DRIVER_EM4095_LINK_MOD_GPIO_INIT(HANDLE, FUC)       (HANDLE)->mod_gpio_init = FUC

#define DRIVER_EM4095_LINK_MOD_GPIO_DEINIT(HANDLE, FUC)     (HANDLE)->mod_gpio_deinit = FUC

#define DRIVER_EM4095_LINK_MOD_GPIO_WRITE(HANDLE, FUC)      (HANDLE)->mod_gpio_write = FUC

#define DRIVER_EM4095_LINK_DEMOD_GPIO_INIT(HANDLE, FUC)     (HANDLE)->demod_gpio_init = FUC

#define DRIVER_EM4095_LINK_DEMOD_GPIO_DEINIT(HANDLE, FUC)   (HANDLE)->demod_gpio_deinit = FUC

#define DRIVER_EM4095_LINK_DEMOD_GPIO_READ(HANDLE, FUC)     (HANDLE)->demod_gpio_read = FUC

#define DRIVER_EM4095_LINK_TIMESTAMP_READ(HANDLE, FUC)      (HANDLE)->timestamp_read = FUC

#define DRIVER_EM4095_LINK_DELAY_MS(HANDLE, FUC)            (HANDLE)->delay_ms = FUC

#define DRIVER_EM4095_LINK_DEBUG_PRINT(HANDLE, FUC)         (HANDLE)->debug_print = FUC

#define DRIVER_EM4095_LINK_RECEIVE_CALLBACK(HANDLE, FUC)    (HANDLE)->receive_callback = FUC

 

uint8_t em4095_info(em4095_info_t *info);

uint8_t em4095_irq_handler(em4095_handle_t *handle);

uint8_t em4095_init(em4095_handle_t *handle);

uint8_t em4095_deinit(em4095_handle_t *handle);

uint8_t em4095_read(em4095_handle_t *handle, uint16_t len);

uint8_t em4095_write(em4095_handle_t *handle, uint8_t *buf, uint16_t len);

uint8_t em4095_copy_decode_buffer(em4095_handle_t *handle, uint8_t *buf, uint16_t *len);

uint8_t em4095_power_on(em4095_handle_t *handle);

uint8_t em4095_power_down(em4095_handle_t *handle);

uint8_t em4095_set_div(em4095_handle_t *handle, uint32_t clock_div);

uint8_t em4095_get_div(em4095_handle_t *handle, uint32_t *clock_div);


 
#ifdef __cplusplus
}
#endif
 
#endif