udrv_adc.h

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#ifndef _UDRV_ADC_H_
#define _UDRV_ADC_H_

#ifdef __cplusplus
extern "C" {
#endif 

#include <stdint.h>
#include <stddef.h>

#define UDRV_ADC_SAMPLE_CNT 16

typedef enum{
    UDRV_ADC_RESOLUTION_6BIT  = (0UL),  //< 6 bit resolution.
    UDRV_ADC_RESOLUTION_8BIT  = (1UL),  //< 8 bit resolution.
    UDRV_ADC_RESOLUTION_10BIT = (2UL),  //< 10 bit resolution.
    UDRV_ADC_RESOLUTION_12BIT = (3UL),  //< 12 bit resolution.
    UDRV_ADC_RESOLUTION_14BIT = (4UL)   //< 14 bit resolution.
}UDRV_ADC_RESOLUTION ;

typedef enum{
    UDRV_ADC_MODE_DEFAULT = (0UL),  //default range
    #ifndef rak11720 
    UDRV_ADC_MODE_3_3     = (1UL),  // 0 - 3.3 V
    UDRV_ADC_MODE_3_0     = (2UL),  // 0 - 3 V
    UDRV_ADC_MODE_2_4     = (3UL),  // 0 - 2.4 V
    UDRV_ADC_MODE_1_8     = (4UL),  // 0 - 1.8 V
    UDRV_ADC_MODE_1_2     = (5UL),  // 0 - 1.2 V
    #else
    UDRV_ADC_MODE_1_5     = (2UL),  // 0 - 1.5 V
    #endif
} UDRV_ADC_MODE;

typedef enum {
    UDRV_ADC_CHANNEL_TEMPSENSOR = 253,
    UDRV_ADC_CHANNEL_VREFINT    = 254,
    UDRV_ADC_CHANNEL_VBAT       = 255,
} UDRV_ADC_CHANNEL;

void udrv_adc_set_resolution (UDRV_ADC_RESOLUTION resolution);

UDRV_ADC_RESOLUTION udrv_adc_get_resolution (void);

void udrv_adc_set_mode (UDRV_ADC_MODE mode);

UDRV_ADC_MODE udrv_adc_get_mode (void);

/*
* \brief Configures the oversampling amount used to sample analog input.
*
* \param ulOversampling Should be set to 1, 2, 4, 8, 16, 32, 64, 128 or 256.
*/
void udrv_adc_oversampling (uint32_t uloversampling);
int32_t udrv_adc_read (uint32_t pin, int16_t *value);

void udrv_adc_suspend(void);

void udrv_adc_resume(void);

#ifdef __cplusplus
}
#endif

#endif //_UDRV_ADC_H_