externalinterrupt.h

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#ifndef SEMF_SYSTEM_EXTERNALINTERRUPT_H_
#define SEMF_SYSTEM_EXTERNALINTERRUPT_H_
 
#include <semf/utils/core/error.h>
#include <semf/utils/core/signals/signal.h>
 
namespace semf
{
class ExternalInterrupt
{
public:
    enum Trigger
    {
        None = 0,             //<! EXTI is disabled.
        RisingEdge,           //<! EXTI is triggered by rising edge.
        FallingEdge,          //<! EXTI is triggered by falling edge.
        RisingAndFallingEdge  //<! EXTI is triggered by rising and falling edges.
    };
 
    virtual ~ExternalInterrupt() = default;
 
    virtual void setTrigger(Trigger trigger) = 0;
 
    Signal<> changed;
    Signal<Error> error;
};
} /* namespace semf */
#endif  // SEMF_SYSTEM_EXTERNALINTERRUPT_H_"