driver_mcp3421.h

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#ifndef DRIVER_MCP3421_H
#define DRIVER_MCP3421_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif



typedef enum
{
    MCP3421_BIT_12 = 0x00,        
    MCP3421_BIT_14 = 0x01,        
    MCP3421_BIT_16 = 0x02,        
    MCP3421_BIT_18 = 0x03,        
} mcp3421_bit_t;

typedef enum
{
    MCP3421_PGA_1 = 0x00,        
    MCP3421_PGA_2 = 0x01,        
    MCP3421_PGA_4 = 0x02,        
    MCP3421_PGA_8 = 0x03,        
} mcp3421_pga_t;

typedef struct mcp3421_handle_s
{
    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 config;                                                            
    uint8_t inited;                                                            
} mcp3421_handle_t;

typedef struct mcp3421_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;           
} mcp3421_info_t;



#define DRIVER_MCP3421_LINK_INIT(HANDLE, STRUCTURE)          memset(HANDLE, 0, sizeof(STRUCTURE))

#define DRIVER_MCP3421_LINK_IIC_INIT(HANDLE, FUC)            (HANDLE)->iic_init = FUC

#define DRIVER_MCP3421_LINK_IIC_DEINIT(HANDLE, FUC)          (HANDLE)->iic_deinit = FUC

#define DRIVER_MCP3421_LINK_IIC_READ_COMMAND(HANDLE, FUC)    (HANDLE)->iic_read_cmd = FUC

#define DRIVER_MCP3421_LINK_IIC_WRITE_COMMAND(HANDLE, FUC)   (HANDLE)->iic_write_cmd = FUC

#define DRIVER_MCP3421_LINK_DELAY_MS(HANDLE, FUC)            (HANDLE)->delay_ms = FUC

#define DRIVER_MCP3421_LINK_DEBUG_PRINT(HANDLE, FUC)         (HANDLE)->debug_print = FUC



uint8_t mcp3421_info(mcp3421_info_t *info);

uint8_t mcp3421_init(mcp3421_handle_t *handle);

uint8_t mcp3421_deinit(mcp3421_handle_t *handle);

uint8_t mcp3421_single_read(mcp3421_handle_t *handle, int32_t *raw, double *v);

uint8_t mcp3421_start_continuous_read(mcp3421_handle_t *handle);

uint8_t mcp3421_stop_continuous_read(mcp3421_handle_t *handle);

uint8_t mcp3421_continuous_read(mcp3421_handle_t *handle, int32_t *raw, double *v);

uint8_t mcp3421_set_adc_bit(mcp3421_handle_t *handle, mcp3421_bit_t adc_bit);

uint8_t mcp3421_get_adc_bit(mcp3421_handle_t *handle, mcp3421_bit_t *adc_bit);

uint8_t mcp3421_set_pga(mcp3421_handle_t *handle, mcp3421_pga_t pga);

uint8_t mcp3421_get_pga(mcp3421_handle_t *handle, mcp3421_pga_t *pga);



uint8_t mcp3421_set_reg(mcp3421_handle_t *handle, uint8_t *buf, uint16_t len);

uint8_t mcp3421_get_reg(mcp3421_handle_t *handle, uint8_t *buf, uint16_t len);


 
#ifdef __cplusplus
}
#endif
 
#endif