adc_rp2040.h

// ---------------------------------------------
//           This file is part of
//      _  _   __    _   _    __    __
//     ( \/ ) /__\  ( )_( )  /__\  (  )
//      \  / /(__)\  ) _ (  /(__)\  )(__
//      (__)(__)(__)(_) (_)(__)(__)(____)
//
//     Yet Another HW Abstraction Library
//      Copyright (C) Andreas Terstegge
//      BSD Licensed (see file LICENSE)
//
// ---------------------------------------------
//
#ifndef _ADC_RP2040_H_
#define _ADC_RP2040_H_
 
#include "adc_interface.h"
 
class adc_rp2040 : public adc_interface {
public:
    static adc_rp2040 inst;
 
    // Basic ADC functions
    void adcMode(uint8_t channel, uint16_t mode) override;
 
    adc_mode_t getMode(uint8_t channel) override;
 
    uint16_t adcReadRaw(uint8_t channel) override;
 
    float adcReadVoltage(uint8_t channel) override;
 
    float rawToVoltage(uint8_t channel, uint16_t raw) override;
 
private:
 
    adc_rp2040();
 
    uint16_t _modes[8];
};
 
 
// This small wrapper class provides ADC
// functionality for a single channel.
 
class adc_rp2040_channel : public adc_channel {
public:
    adc_rp2040_channel()
            : adc_channel(adc_rp2040::inst) {}
 
    explicit adc_rp2040_channel(uint16_t c)
            : adc_channel(adc_rp2040::inst, c) {}
};
 
#endif // _ADC_RP2040_H_