fsfw/datalinklayer/Farm1StateWait.cpp

/**
 * @file	Farm1StateWait.cpp
 * @brief	This file defines the Farm1StateWait class.
 * @date	24.04.2013
 * @author	baetz
 */


#include "ClcwIF.h"
#include "Farm1StateWait.h"
#include "TcTransferFrame.h"
#include "VirtualChannelReception.h"

Farm1StateWait::Farm1StateWait(VirtualChannelReception* setMyVC) : myVC(setMyVC) {
}

ReturnValue_t Farm1StateWait::handleADFrame(TcTransferFrame* frame,
		ClcwIF* clcw) {

	int8_t diff = frame->getSequenceNumber() - myVC->vR;
	if ( diff < -myVC->negativeWindow || diff >= myVC->positiveWindow ) {
		clcw->setLockoutFlag(true);
		myVC->currentState = &(myVC->lockoutState);
	}
	return FARM_IN_WAIT;
}

ReturnValue_t Farm1StateWait::handleBCUnlockCommand(ClcwIF* clcw) {
	myVC->farmBCounter++;
	clcw->setRetransmitFlag(false);
	clcw->setWaitFlag( false );
	myVC->currentState = &(myVC->openState);
	return BC_IS_UNLOCK_COMMAND;
}

ReturnValue_t Farm1StateWait::handleBCSetVrCommand(ClcwIF* clcw, uint8_t vr) {
	myVC->farmBCounter++;
	clcw->setWaitFlag( false );
	clcw->setRetransmitFlag(false);
	myVC->vR = vr;
	myVC->currentState = &(myVC->openState);
	return BC_IS_SET_VR_COMMAND;
}