gpio.h

Go to the documentation of this file.

 
#ifndef SEMF_SYSTEM_GPIO_H_
#define SEMF_SYSTEM_GPIO_H_
 
#include <semf/utils/core/error.h>
#include <semf/utils/core/signals/signal.h>
#include <cstdint>
 
namespace semf
{
class Gpio
{
public:
    enum Direction
    {
        Input = 0,       //<! Pin is defined as digital input.
        OutputPushpull,  //<! Pin in defined as digital output in pushpull mode.
        OutputOpendrain  //<! Pin is defined as digital output in open drain mode.
    };
 
    enum PullUpPullDown
    {
        NoPullupPulldown = 0,  //<! No pullup and no pulldown.
        Pullup,                //<! Pullup is enabled, pulldown is disabled.
        Pulldown               //<! Pulldown is enbaled, pullup is disabled.
    };
 
    virtual ~Gpio() = default;
 
    virtual void set() = 0;
    virtual void reset() = 0;
    virtual bool state() const = 0;
    virtual Direction direction() const = 0;
    virtual void setDirection(Direction direction) = 0;
    virtual PullUpPullDown pullUpPullDown() const = 0;
    virtual void setPullUpPullDown(PullUpPullDown pullUpPullDown) = 0;
 
    Signal<Error> error;
};
} /* namespace semf */
#endif /* SEMF_SYSTEM_GPIO_H_ */