furi_hal_adc.h

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#pragma once
 
#include <furi.h>
#include <stdbool.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct FuriHalAdcHandle FuriHalAdcHandle;
 
typedef enum {
    FuriHalAdcScale2048, 
    FuriHalAdcScale2500, 
} FuriHalAdcScale;
 
typedef enum {
    FuriHalAdcClockSync16, 
    FuriHalAdcClockSync32, 
    FuriHalAdcClockSync64, 
} FuriHalAdcClock;
 
typedef enum {
    FuriHalAdcOversample2, 
    FuriHalAdcOversample4, 
    FuriHalAdcOversample8, 
    FuriHalAdcOversample16, 
    FuriHalAdcOversample32, 
    FuriHalAdcOversample64, 
    FuriHalAdcOversample128, 
    FuriHalAdcOversample256, 
    FuriHalAdcOversampleNone, 
} FuriHalAdcOversample;
 
typedef enum {
    FuriHalAdcSamplingtime2_5, 
    FuriHalAdcSamplingtime6_5, 
    FuriHalAdcSamplingtime12_5, 
    FuriHalAdcSamplingtime24_5, 
    FuriHalAdcSamplingtime47_5, 
    FuriHalAdcSamplingtime92_5, 
    FuriHalAdcSamplingtime247_5, 
    FuriHalAdcSamplingtime640_5, 
} FuriHalAdcSamplingTime;
 
typedef enum {
    /* Channels 0 - 5 are fast channels */
    FuriHalAdcChannel0, 
    FuriHalAdcChannel1, 
    FuriHalAdcChannel2, 
    FuriHalAdcChannel3, 
    FuriHalAdcChannel4, 
    FuriHalAdcChannel5, 
    /* Channels 6 - 18 are slow channels */
    FuriHalAdcChannel6, 
    FuriHalAdcChannel7, 
    FuriHalAdcChannel8, 
    FuriHalAdcChannel9, 
    FuriHalAdcChannel10, 
    FuriHalAdcChannel11, 
    FuriHalAdcChannel12, 
    FuriHalAdcChannel13, 
    FuriHalAdcChannel14, 
    FuriHalAdcChannel15, 
    FuriHalAdcChannel16, 
    FuriHalAdcChannel17, 
    FuriHalAdcChannel18, 
    /* Special Channels: combines one of the 0-18 channel and additional internal peripherals */
    FuriHalAdcChannelVREFINT, 
    FuriHalAdcChannelTEMPSENSOR, 
    FuriHalAdcChannelVBAT, 
    /* Special value to indicate that pin is not connected to ADC */
    FuriHalAdcChannelNone, 
} FuriHalAdcChannel;
 
void furi_hal_adc_init(void);
 
FuriHalAdcHandle* furi_hal_adc_acquire(void);
 
void furi_hal_adc_release(FuriHalAdcHandle* handle);
 
void furi_hal_adc_configure(FuriHalAdcHandle* handle);
 
void furi_hal_adc_configure_ex(
    FuriHalAdcHandle* handle,
    FuriHalAdcScale scale,
    FuriHalAdcClock clock,
    FuriHalAdcOversample oversample,
    FuriHalAdcSamplingTime sampling_time);
 
uint16_t furi_hal_adc_read(FuriHalAdcHandle* handle, FuriHalAdcChannel channel);
 
float furi_hal_adc_convert_to_voltage(FuriHalAdcHandle* handle, uint16_t value);
 
float furi_hal_adc_convert_vref(FuriHalAdcHandle* handle, uint16_t value);
 
float furi_hal_adc_convert_temp(FuriHalAdcHandle* handle, uint16_t value);
 
float furi_hal_adc_convert_vbat(FuriHalAdcHandle* handle, uint16_t value);
 
#ifdef __cplusplus
}
#endif