adc.h

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#ifndef ADC_H
#define ADC_H
 
#include <stdint.h>
#include <stdbool.h>
#include "errcode.h"
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
 
typedef enum adc_clock {
    ADC_CLOCK_500KHZ = 0,               
    ADC_CLOCK_250KHZ = 1,               
    ADC_CLOCK_125KHZ = 2,               
    ADC_CLOCK_015KHZ = 3,               
    ADC_CLOCK_MAX,
    ADC_CLOCK_NONE = ADC_CLOCK_MAX
} adc_clock_t;
 
typedef enum afe_scan_mode {
    AFE_GADC_MODE = 0,                  
#if defined (CONFIG_ADC_SUPPORT_HAFE)
    AFE_HADC_MODE,                      
#elif (defined CONFIG_ADC_SUPPORT_AMIC)
    AFE_AMIC_MODE,                      
    AFE_BIO_MODE,                      
#endif
    AFE_SCAN_MODE_MAX_NUM
} afe_scan_mode_t;
 
typedef struct adc_scan_config {
    uint8_t type;                       
    float threshold_l;                  
    float threshold_h;                  
    uint8_t freq;                       
#if defined(CONFIG_ADC_SUPPORT_LONG_SAMPLE)
    uint32_t long_sample_time;           
#endif
} adc_scan_config_t;
 
typedef void (*adc_callback_t)(uint8_t channel, uint32_t *buffer, uint32_t length, bool *next);
 
errcode_t uapi_adc_init(adc_clock_t clock);
 
errcode_t uapi_adc_deinit(void);
 
void uapi_adc_power_en(afe_scan_mode_t afe_scan_mode, bool en);
 
bool uapi_adc_is_using(void);
 
errcode_t uapi_adc_open_channel(uint8_t channel);
 
errcode_t uapi_adc_close_channel(uint8_t channel);
 
#if defined(CONFIG_ADC_SUPPORT_DIFFERENTIAL)
errcode_t uapi_adc_open_differential_channel(uint8_t postive_ch, uint8_t negative_ch);
 
errcode_t uapi_adc_close_differential_channel(uint8_t postive_ch, uint8_t negative_ch);
#endif
 
#if defined(CONFIG_ADC_SUPPORT_AUTO_SCAN)
errcode_t uapi_adc_auto_scan_ch_enable(uint8_t channel, adc_scan_config_t config, adc_callback_t callback);
 
errcode_t uapi_adc_auto_scan_ch_disable(uint8_t channel);
 
void uapi_adc_auto_scan_disable(void);
 
bool uapi_adc_auto_scan_is_enabled(void);
#endif /* CONFIG_ADC_SUPPORT_AUTO_SCAN */
 
int32_t uapi_adc_manual_sample(uint8_t channel);
 
#if defined(CONFIG_ADC_SUPPORT_AFE)
int32_t uapi_adc_auto_sample(uint8_t channel);
#endif /* CONFIG_ADC_SUPPORT_AFE */
 
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
 
#endif