driver_dht11.h

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#ifndef DRIVER_DHT11_H
#define DRIVER_DHT11_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif
 
typedef struct dht11_handle_s
{
    uint8_t (*bus_init)(void);                              
    uint8_t (*bus_read)(uint8_t *value);                    
    uint8_t (*bus_write)(uint8_t value);                    
    uint8_t (*bus_deinit)(void);                            
    void (*delay_ms)(uint32_t ms);                          
    void (*delay_us)(uint32_t us);                          
    void (*enable_irq)(void);                               
    void (*disable_irq)(void);                              
    void (*debug_print)(const char *const fmt, ...);        
    uint8_t inited;                                         
} dht11_handle_t;
 
typedef struct dht11_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;           
} dht11_info_t;
 
#define DRIVER_DHT11_LINK_INIT(HANDLE, STRUCTURE)   memset(HANDLE, 0, sizeof(STRUCTURE))
 
#define DRIVER_DHT11_LINK_BUS_INIT(HANDLE, FUC)    (HANDLE)->bus_init = FUC
 
#define DRIVER_DHT11_LINK_BUS_DEINIT(HANDLE, FUC)  (HANDLE)->bus_deinit = FUC
 
#define DRIVER_DHT11_LINK_BUS_READ(HANDLE, FUC)    (HANDLE)->bus_read = FUC
 
#define DRIVER_DHT11_LINK_BUS_WRITE(HANDLE, FUC)   (HANDLE)->bus_write = FUC
 
#define DRIVER_DHT11_LINK_DELAY_MS(HANDLE, FUC)    (HANDLE)->delay_ms = FUC
 
#define DRIVER_DHT11_LINK_DELAY_US(HANDLE, FUC)    (HANDLE)->delay_us = FUC
 
#define DRIVER_DHT11_LINK_ENABLE_IRQ(HANDLE, FUC)  (HANDLE)->enable_irq = FUC
 
#define DRIVER_DHT11_LINK_DISABLE_IRQ(HANDLE, FUC) (HANDLE)->disable_irq = FUC
 
#define DRIVER_DHT11_LINK_DEBUG_PRINT(HANDLE, FUC) (HANDLE)->debug_print = FUC
 
uint8_t dht11_info(dht11_info_t *info);
 
uint8_t dht11_init(dht11_handle_t *handle);
 
uint8_t dht11_deinit(dht11_handle_t *handle);
 
uint8_t dht11_read_temperature_humidity(dht11_handle_t *handle, uint16_t *temperature_raw, float *temperature_s,
                                        uint16_t *humidity_raw, uint8_t *humidity_s);
 
uint8_t dht11_read_humidity(dht11_handle_t *handle, uint16_t *raw, uint8_t *s);
 
uint8_t dht11_read_temperature(dht11_handle_t *handle, uint16_t *raw, float *s);
 
#ifdef __cplusplus
}
#endif
 
#endif