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#include <iostream>
#include "pinmon.h"
using namespace std;
PinMonitor::PinMonitor( AvrDevice& avr,
const char* pinNameStr, // AVR pin name. (e.g. "B1","C2", etc.)
const char* pinDescStr,
const char* pinHighStr,
const char* pinLowStr
) throw():
_prevState(true)
{
Pin* pin = avr.GetPin(pinNameStr);
pin->RegisterCallback(this);
_pinDescStr = pinDescStr?pinDescStr:pinNameStr;
_pinHighStr = pinHighStr?pinHighStr:"HIGH";
_pinLowStr = pinLowStr?pinLowStr:"LOW";
}
void PinMonitor::PinStateHasChanged(Pin* pin){
const char* stateStr;
if((bool)*pin == _prevState){
return;
}
if((bool)*pin){
stateStr = _pinHighStr;
_prevState = true;
}
else {
stateStr = _pinLowStr;
_prevState = false;
}
cout << _pinDescStr << ": " << stateStr << endl;
}
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