driver_mcp4725.h

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#ifndef DRIVER_MCP4725_H
#define DRIVER_MCP4725_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif



typedef enum
{
    MCP4725_ADDR_A0_GND = 0x00,        
    MCP4725_ADDR_A0_VCC = 0x01,        
} mcp4725_address_t;

typedef enum
{
    MCP4725_MODE_DAC    = 0x00,        
    MCP4725_MODE_EEPROM = 0x03,        
} mcp4725_mode_t;

typedef enum
{
    MCP4725_POWER_DOWN_MODE_NORMAL   = 0x00,        
    MCP4725_POWER_DOWN_MODE_1K_GND   = 0x01,        
    MCP4725_POWER_DOWN_MODE_100K_GND = 0x02,        
    MCP4725_POWER_DOWN_MODE_500K_GND = 0x03,        
} mcp4725_power_down_mode_t;

typedef struct mcp4725_handle_s
{
    uint8_t iic_addr;                                                          
    uint8_t (*iic_init)(void);                                                 
    uint8_t (*iic_deinit)(void);                                               
    uint8_t (*iic_read_cmd)(uint8_t addr, uint8_t *buf, uint16_t len);         
    uint8_t (*iic_write_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 inited;                                                            
    uint8_t mode;                                                              
    uint8_t power_mode;                                                        
    float ref_voltage;                                                         
} mcp4725_handle_t;

typedef struct mcp4725_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;           
} mcp4725_info_t;



#define DRIVER_MCP4725_LINK_INIT(HANDLE, STRUCTURE)   memset(HANDLE, 0, sizeof(STRUCTURE))

#define DRIVER_MCP4725_LINK_IIC_INIT(HANDLE, FUC)    (HANDLE)->iic_init = FUC

#define DRIVER_MCP4725_LINK_IIC_DEINIT(HANDLE, FUC)  (HANDLE)->iic_deinit = FUC

#define DRIVER_MCP4725_LINK_IIC_READ_COMMAND(HANDLE, FUC)    (HANDLE)->iic_read_cmd = FUC

#define DRIVER_MCP4725_LINK_IIC_WRITE_COMMAND(HANDLE, FUC)   (HANDLE)->iic_write_cmd = FUC

#define DRIVER_MCP4725_LINK_DELAY_MS(HANDLE, FUC)    (HANDLE)->delay_ms = FUC

#define DRIVER_MCP4725_LINK_DEBUG_PRINT(HANDLE, FUC) (HANDLE)->debug_print = FUC



uint8_t mcp4725_info(mcp4725_info_t *info);

uint8_t mcp4725_set_addr_pin(mcp4725_handle_t *handle, mcp4725_address_t addr_pin);

uint8_t mcp4725_get_addr_pin(mcp4725_handle_t *handle, mcp4725_address_t *addr_pin);

uint8_t mcp4725_init(mcp4725_handle_t *handle);

uint8_t mcp4725_deinit(mcp4725_handle_t *handle);

uint8_t mcp4725_write(mcp4725_handle_t *handle, uint16_t value);

uint8_t mcp4725_read(mcp4725_handle_t *handle, uint16_t *value);

uint8_t mcp4725_convert_to_register(mcp4725_handle_t *handle, float s, uint16_t *reg);

uint8_t mcp4725_convert_to_data(mcp4725_handle_t *handle, uint16_t reg, float *s);

uint8_t mcp4725_set_mode(mcp4725_handle_t *handle, mcp4725_mode_t mode);

uint8_t mcp4725_get_mode(mcp4725_handle_t *handle, mcp4725_mode_t *mode);

uint8_t mcp4725_set_power_mode(mcp4725_handle_t *handle, mcp4725_power_down_mode_t mode);

uint8_t mcp4725_get_power_mode(mcp4725_handle_t *handle, mcp4725_power_down_mode_t *mode);

uint8_t mcp4725_set_reference_voltage(mcp4725_handle_t *handle, float ref_voltage);

uint8_t mcp4725_get_reference_voltage(mcp4725_handle_t *handle, float *ref_voltage);



uint8_t mcp4725_set_reg(mcp4725_handle_t *handle, uint8_t *buf, uint16_t len);

uint8_t mcp4725_get_reg(mcp4725_handle_t *handle, uint8_t *buf, uint16_t len);


 
#ifdef __cplusplus
}
#endif
 
#endif