gpio_sysfs.h

#pragma once
 
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
 
#include <fstream>
#include <iostream>
 
#include "software/embedded/gpio.h"
 
class GpioSysfs : public Gpio
{
   public:
    /*
     * GPIO Sysfs Wrapper
     *
     * See https://www.kernel.org/doc/Documentation/gpio/sysfs.txt
     *
     * @param gpio The gpio to setup
     * @param direction The direction to configure this gpio in
     * @param initial_state The initial GpioState of the pin
     */
    GpioSysfs(const std::string& gpio_number, GpioDirection direction,
              GpioState initial_state);
 
    void setValue(GpioState state) override;
 
    GpioState getValue() override;
 
   private:
    std::string gpio_number_;
};