driver_ad7705.h

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#ifndef DRIVER_AD7705_H
#define DRIVER_AD7705_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif



typedef enum
{
    AD7705_BOOL_FALSE = 0x00,        
    AD7705_BOOL_TRUE  = 0x01,        
} ad7705_bool_t;

typedef enum
{
    AD7705_CHANNEL_AIN1_POSITIVE_AIN1_NEGATIVE = 0x00,        
    AD7705_CHANNEL_AIN2_POSITIVE_AIN2_NEGATIVE = 0x01,        
    AD7705_CHANNEL_AIN1_NEGATIVE_AIN1_NEGATIVE = 0x02,        
    AD7705_CHANNEL_AIN1_NEGATIVE_AIN2_NEGATIVE = 0x03,        
} ad7705_channel_t;

typedef enum
{
    AD7705_ADC_MODE_NORMAL                        = 0x00,        
    AD7705_ADC_MODE_SELF_CALIBRATION              = 0x01,        
    AD7705_ADC_MODE_ZERO_SCALE_SYSTEM_CALIBRATION = 0x02,        
    AD7705_ADC_MODE_FULL_SCALE_SYSTEM_CALIBRATION = 0x03,        
} ad7705_adc_mode_t;

typedef enum
{
    AD7705_ADC_GAIN_1   = 0x00,        
    AD7705_ADC_GAIN_2   = 0x01,        
    AD7705_ADC_GAIN_4   = 0x02,        
    AD7705_ADC_GAIN_8   = 0x03,        
    AD7705_ADC_GAIN_16  = 0x04,        
    AD7705_ADC_GAIN_32  = 0x05,        
    AD7705_ADC_GAIN_64  = 0x06,        
    AD7705_ADC_GAIN_128 = 0x07,        
} ad7705_adc_gain_t;

typedef enum
{
    AD7705_ADC_POLAR_BIPOLAR  = 0x00,        
    AD7705_ADC_POLAR_UNIPOLAR = 0x01,        
} ad7705_adc_polar_t;

typedef enum
{
    AD7705_RATE_20HZ  = 0x00,        
    AD7705_RATE_25HZ  = 0x01,        
    AD7705_RATE_100HZ = 0x02,        
    AD7705_RATE_200HZ = 0x03,        
    AD7705_RATE_50HZ  = 0x04,        
    AD7705_RATE_60HZ  = 0x05,        
    AD7705_RATE_250HZ = 0x06,        
    AD7705_RATE_500HZ = 0x07,        
} ad7705_rate_t;

typedef struct ad7705_handle_s
{
    uint8_t (*gpio_reset_init)(void);                                       
    uint8_t (*gpio_reset_deinit)(void);                                     
    uint8_t (*gpio_reset_write)(uint8_t level);                             
    uint8_t (*spi_init)(void);                                              
    uint8_t (*spi_deinit)(void);                                            
    uint8_t (*spi_write)(uint8_t addr, uint8_t *buf, uint16_t len);         
    uint8_t (*spi_read)(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 channel;                                                        
    uint8_t standby;                                                        
    float reference_voltage;                                                
} ad7705_handle_t;

typedef struct ad7705_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;           
} ad7705_info_t;



#define DRIVER_AD7705_LINK_INIT(HANDLE, STRUCTURE)               memset(HANDLE, 0, sizeof(STRUCTURE))

#define DRIVER_AD7705_LINK_SPI_INIT(HANDLE, FUC)                (HANDLE)->spi_init = FUC

#define DRIVER_AD7705_LINK_SPI_DEINIT(HANDLE, FUC)              (HANDLE)->spi_deinit = FUC

#define DRIVER_AD7705_LINK_SPI_READ(HANDLE, FUC)                (HANDLE)->spi_read = FUC

#define DRIVER_AD7705_LINK_SPI_WRITE(HANDLE, FUC)               (HANDLE)->spi_write = FUC

#define DRIVER_AD7705_LINK_GPIO_RESET_INIT(HANDLE, FUC)         (HANDLE)->gpio_reset_init = FUC

#define DRIVER_AD7705_LINK_GPIO_RESET_DEINIT(HANDLE, FUC)       (HANDLE)->gpio_reset_deinit = FUC

#define DRIVER_AD7705_LINK_GPIO_RESET_WRITE(HANDLE, FUC)        (HANDLE)->gpio_reset_write = FUC

#define DRIVER_AD7705_LINK_DELAY_MS(HANDLE, FUC)                (HANDLE)->delay_ms = FUC

#define DRIVER_AD7705_LINK_DEBUG_PRINT(HANDLE, FUC)             (HANDLE)->debug_print = FUC



uint8_t ad7705_info(ad7705_info_t *info);

uint8_t ad7705_init(ad7705_handle_t *handle);

uint8_t ad7705_deinit(ad7705_handle_t *handle);

uint8_t ad7705_set_reference_voltage(ad7705_handle_t *handle, float voltage);

uint8_t ad7705_get_reference_voltage(ad7705_handle_t *handle, float *voltage);

uint8_t ad7705_set_channel(ad7705_handle_t *handle, ad7705_channel_t channel);

uint8_t ad7705_get_channel(ad7705_handle_t *handle, ad7705_channel_t *channel);

uint8_t ad7705_read(ad7705_handle_t *handle, uint16_t *raw, float *volt);

uint8_t ad7705_get_data_ready(ad7705_handle_t *handle, ad7705_bool_t *enable);

uint8_t ad7705_power_on(ad7705_handle_t *handle);

uint8_t ad7705_power_down(ad7705_handle_t *handle);

uint8_t ad7705_set_adc_mode(ad7705_handle_t *handle, ad7705_adc_mode_t mode);

uint8_t ad7705_get_adc_mode(ad7705_handle_t *handle, ad7705_adc_mode_t *mode);

uint8_t ad7705_set_adc_gain(ad7705_handle_t *handle, ad7705_adc_gain_t gain);

uint8_t ad7705_get_adc_gain(ad7705_handle_t *handle, ad7705_adc_gain_t *gain);

uint8_t ad7705_set_adc_polar(ad7705_handle_t *handle, ad7705_adc_polar_t polar);

uint8_t ad7705_get_adc_polar(ad7705_handle_t *handle, ad7705_adc_polar_t *polar);

uint8_t ad7705_set_adc_buffer(ad7705_handle_t *handle, ad7705_bool_t enable);

uint8_t ad7705_get_adc_buffer(ad7705_handle_t *handle, ad7705_bool_t *enable);

uint8_t ad7705_set_filter_synchronize(ad7705_handle_t *handle, ad7705_bool_t enable);

uint8_t ad7705_get_filter_synchronize(ad7705_handle_t *handle, ad7705_bool_t *enable);

uint8_t ad7705_set_master_clock_output_disable(ad7705_handle_t *handle, ad7705_bool_t enable);

uint8_t ad7705_get_master_clock_output_disable(ad7705_handle_t *handle, ad7705_bool_t *enable);

uint8_t ad7705_set_clock_div2(ad7705_handle_t *handle, ad7705_bool_t enable);

uint8_t ad7705_get_clock_div2(ad7705_handle_t *handle, ad7705_bool_t *enable);

uint8_t ad7705_set_rate(ad7705_handle_t *handle, ad7705_rate_t rate);

uint8_t ad7705_get_rate(ad7705_handle_t *handle, ad7705_rate_t *rate);

uint8_t ad7705_get_data(ad7705_handle_t *handle, uint16_t *data);

uint8_t ad7705_set_test(ad7705_handle_t *handle, uint8_t data);

uint8_t ad7705_get_test(ad7705_handle_t *handle, uint8_t *data);

uint8_t ad7705_set_zero_scale_calibration(ad7705_handle_t *handle, uint32_t calibration);

uint8_t ad7705_get_zero_scale_calibration(ad7705_handle_t *handle, uint32_t *calibration);

uint8_t ad7705_set_full_scale_calibration(ad7705_handle_t *handle, uint32_t calibration);

uint8_t ad7705_get_full_scale_calibration(ad7705_handle_t *handle, uint32_t *calibration);

uint8_t ad7705_operate_sync(ad7705_handle_t *handle);



uint8_t ad7705_set_reg(ad7705_handle_t *handle, uint8_t addr, uint8_t *buf, uint16_t len);

uint8_t ad7705_get_reg(ad7705_handle_t *handle, uint8_t addr, uint8_t *buf, uint16_t len);


 
#ifdef __cplusplus
}
#endif
 
#endif