75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
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#include "CANWatchdog.h"
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#include "GeneralMessagesLogDispatcher.h"
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CCANWatchdog::CCANWatchdog()
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{
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mCANDriverIF = new CPCANInterface;
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mIsCANInitialized = false;
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mWatchdogTimer = new QTimer;
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mWatchdogTimer->setSingleShot(false);
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mCANDriverIF = 0;
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mWDTInitialized = false;
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connect(mWatchdogTimer,&QTimer::timeout,this,&CCANWatchdog::WatchdogTimeoutTimerExpired);
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}
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int CCANWatchdog::Init(CPCANInterface *CANDriverIF, TPCANHandle CANDeviceHandle, unsigned int WDTPeriod, unsigned int CANMsgID)
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{
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if(WDTPeriod < 200)
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{
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WDTPeriod = 200;
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qDebug("CANWatchdog:: Trying to init with WDT period lower tan 200ms");
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return RET_GENERAL_ERROR;
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}
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mCANDeviceHandle = CANDeviceHandle;
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mWDTPeriod = WDTPeriod;
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mCANDriverIF = CANDriverIF;
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CGeneralMessagesLogDispatcher::instance()->AddLogMessage("Démarrage du Watchdog CAN...");
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mWatchdogTimer->setInterval(mWDTPeriod);
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mWatchdogTimer->setSingleShot(false);
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mWDTCANMsg.mCANMsgID = CANMsgID;
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mWDTCANMsg.mCANMsgLength = 1;
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mWDTCANMsg.mCANMsgData.clear();
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mWDTCANMsg.mCANMsgData.append(8,(char)0x00);
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mWDTCANMsg.mCANMsgName = "Watchdog";
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mWDTInitialized = true;
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return RET_OK;
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}
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void CCANWatchdog::WatchdogTimeoutTimerExpired()
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{
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char data = mWDTCANMsg.mCANMsgData[0];
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data ^= (char)0x01;
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mWDTCANMsg.mCANMsgData[0] = data;
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mCANDriverIF->SendCANMessage(mCANDeviceHandle,mWDTCANMsg);
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// qDebug("Sending 0x%X to CAN",data);
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}
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int CCANWatchdog::StartWDT()
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{
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if(mWDTInitialized == false)
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{
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return RET_GENERAL_ERROR;
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}
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mWatchdogTimer->start();
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return RET_OK;
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}
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int CCANWatchdog::StopWDT()
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{
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if(mWDTInitialized == false)
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{
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return RET_GENERAL_ERROR;
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}
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mWatchdogTimer->stop();
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return RET_OK;
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}
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