HardwareGPIO.h

/*
  HardwareGPIO.h
  Copyright (c) 2025 Phil Schatzmann. All right reserved.
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
 
  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
 
#pragma once
#include "api/Common.h"
 
namespace arduino {
 
class HardwareGPIO {
 public:
  HardwareGPIO() = default;
  virtual ~HardwareGPIO() = default;
 
  virtual void pinMode(pin_size_t pinNumber, PinMode pinMode) = 0;
 
  virtual void digitalWrite(pin_size_t pinNumber, PinStatus status) = 0;
 
  virtual PinStatus digitalRead(pin_size_t pinNumber) = 0;
 
  virtual int analogRead(pin_size_t pinNumber) = 0;
 
  virtual void analogReference(uint8_t mode) = 0;
 
  virtual void analogWrite(pin_size_t pinNumber, int value) = 0;
 
  virtual void tone(uint8_t _pin, unsigned int frequency,
                    unsigned long duration = 0) = 0;
 
  virtual void noTone(uint8_t _pin) = 0;
 
  virtual unsigned long pulseIn(uint8_t pin, uint8_t state,
                                unsigned long timeout = 1000000L) = 0;
 
  virtual unsigned long pulseInLong(uint8_t pin, uint8_t state,
                                    unsigned long timeout = 1000000L) = 0;
 
  virtual void analogWriteFrequency(pin_size_t pin, uint32_t freq) = 0;
 
  virtual void analogWriteResolution(uint8_t bits) = 0;
};
 
}  // namespace arduino