driver_em4100.h

Go to the documentation of this file.

 
#ifndef DRIVER_EM4100_H
#define DRIVER_EM4100_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif



typedef struct em4100_handle_s
{
    uint8_t (*contactless_init)(void);                                            
    uint8_t (*contactless_deinit)(void);                                          
    uint8_t (*contactless_read)(uint32_t clock_div, uint8_t *buf, uint16_t len);  
    void (*delay_ms)(uint32_t ms);                                                
    void (*debug_print)(const char *const fmt, ...);                              
    uint8_t buf[256];                                                             
    uint8_t manchester_buf[128];                                                  
    uint8_t raw_buf[64];                                                          
    uint8_t inited;                                                               
} em4100_handle_t;

typedef struct em4100_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;           
} em4100_info_t;



#define DRIVER_EM4100_LINK_INIT(HANDLE, STRUCTURE)             memset(HANDLE, 0, sizeof(STRUCTURE))

#define DRIVER_EM4100_LINK_CONTACTLESS_INIT(HANDLE, FUC)       (HANDLE)->contactless_init = FUC

#define DRIVER_EM4100_LINK_CONTACTLESS_DEINIT(HANDLE, FUC)     (HANDLE)->contactless_deinit = FUC

#define DRIVER_EM4100_LINK_CONTACTLESS_READ(HANDLE, FUC)       (HANDLE)->contactless_read = FUC

#define DRIVER_EM4100_LINK_DELAY_MS(HANDLE, FUC)               (HANDLE)->delay_ms = FUC

#define DRIVER_EM4100_LINK_DEBUG_PRINT(HANDLE, FUC)            (HANDLE)->debug_print = FUC



uint8_t em4100_info(em4100_info_t *info);

uint8_t em4100_init(em4100_handle_t *handle);

uint8_t em4100_deinit(em4100_handle_t *handle);

uint8_t em4100_read(em4100_handle_t *handle, uint8_t id[5]);

uint8_t em4100_print(em4100_handle_t *handle, uint8_t buf[5]);


 
#ifdef __cplusplus
}
#endif
 
#endif