driver_hx711.h

Go to the documentation of this file.

 
#ifndef DRIVER_HX711_H
#define DRIVER_HX711_H
 
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif



typedef enum
{
    HX711_MODE_CHANNEL_A_GAIN_128 = 0x01,        
    HX711_MODE_CHANNEL_B_GAIN_32  = 0x02,        
    HX711_MODE_CHANNEL_A_GAIN_64  = 0x03,        
} hx711_mode_t;

typedef struct hx711_handle_s
{
    uint8_t (*bus_init)(void);                              
    uint8_t (*bus_deinit)(void);                            
    uint8_t (*bus_read)(uint8_t *value);                    
    uint8_t (*clock_init)(void);                            
    uint8_t (*clock_deinit)(void);                          
    uint8_t (*clock_write)(uint8_t value);                  
    void (*delay_us)(uint32_t us);                          
    void (*enable_irq)(void);                               
    void (*disable_irq)(void);                              
    void (*debug_print)(const char *const fmt, ...);        
    uint8_t inited;                                         
    uint8_t mode;                                           
} hx711_handle_t;

typedef struct hx711_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;           
} hx711_info_t;



#define DRIVER_HX711_LINK_INIT(HANDLE, STRUCTURE)   memset(HANDLE, 0, sizeof(STRUCTURE))

#define DRIVER_HX711_LINK_BUS_INIT(HANDLE, FUC)    (HANDLE)->bus_init = FUC

#define DRIVER_HX711_LINK_BUS_DEINIT(HANDLE, FUC)  (HANDLE)->bus_deinit = FUC

#define DRIVER_HX711_LINK_BUS_READ(HANDLE, FUC)    (HANDLE)->bus_read = FUC

#define DRIVER_HX711_LINK_CLOCK_INIT(HANDLE, FUC)  (HANDLE)->clock_init = FUC

#define DRIVER_HX711_LINK_CLOCK_DEINIT(HANDLE, FUC)(HANDLE)->clock_deinit = FUC

#define DRIVER_HX711_LINK_CLOCK_WRITE(HANDLE, FUC) (HANDLE)->clock_write = FUC

#define DRIVER_HX711_LINK_DELAY_US(HANDLE, FUC)    (HANDLE)->delay_us = FUC

#define DRIVER_HX711_LINK_ENABLE_IRQ(HANDLE, FUC)  (HANDLE)->enable_irq = FUC

#define DRIVER_HX711_LINK_DISABLE_IRQ(HANDLE, FUC) (HANDLE)->disable_irq = FUC

#define DRIVER_HX711_LINK_DEBUG_PRINT(HANDLE, FUC) (HANDLE)->debug_print = FUC



uint8_t hx711_info(hx711_info_t *info);

uint8_t hx711_init(hx711_handle_t *handle);

uint8_t hx711_deinit(hx711_handle_t *handle);

uint8_t hx711_set_mode(hx711_handle_t *handle, hx711_mode_t mode);

uint8_t hx711_get_mode(hx711_handle_t *handle, hx711_mode_t *mode);

uint8_t hx711_read(hx711_handle_t *handle, int32_t *raw, double *voltage_v);


 
#ifdef __cplusplus
}
#endif
 
#endif