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/*******************************************************************************
*
* File name: LCDriverThread.cpp
* Language: Visual C++
* Description: Main loop for LCDriver
*
*
* Copyright (C) ST-Ericsson SA 2011
* License terms: 3-clause BSD license
*
*******************************************************************************/
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// File LCDriverThread.cpp
#include "LCDriverThread.h"
#include "LCDriverMethods.h"
#include "lcdriver_error_codes.h"
#include "Event.h"
#ifdef _WIN32
#include "WinApiWrappers.h"
#endif
CLCDriverThread::CLCDriverThread(CLCDriverMethods *lcdriverMethods):
lcdriverMethods_(lcdriverMethods),
timerOn_(false),
shutdown_(false)
{
}
void CLCDriverThread::MainExecutionLoop()
{
while (!shutdown_) {
// Limit the scope of the lock to avoid holding lock while sleeping. This
// solves the problem with starvation of other threads trying to lock LCMPollCS.
{
CLockCS lock(LCMPollCS);
lcdriverMethods_->m_pTimer->DoTimerHandler(timerOn_);
ErrorCode_e ReturnValue = lcdriverMethods_->m_pLcmInterface->CommunicationPoll();
if (E_SUCCESS != ReturnValue) {
#ifdef _THREADDEBUG
lcdriverMethods_->m_pLogger->log("LCD MainThread: LCM polling ERROR = %d", ReturnValue);
#endif
if (R15_FAMILY == lcdriverMethods_->m_CurrentProtocolFamily) {
lcdriverMethods_->SignalError(lcdriverMethods_->MapLcmError(ReturnValue));
IsDying = LCDRIVER_THREAD_STOPPED_AFTER_LCM_ERROR;
break;
}
}
}
OS::Sleep(1);
}
}
void CLCDriverThread::SignalDeath()
{
CLockCS lock(LCMPollCS);
shutdown_ = true;
}
void CLCDriverThread::TimerOn()
{
CLockCS lock(LCMPollCS);
timerOn_ = true;
}
void CLCDriverThread::TimerOff()
{
CLockCS lock(LCMPollCS);
timerOn_ = false;
}
ErrorCode_e CLCDriverThread::SetLcmFamily(Family_t family, Do_CEH_Call_t CEHCallback)
{
CLockCS lock(LCMPollCS);
return lcdriverMethods_->m_pLcmInterface->CommunicationSetFamily(family, CEHCallback);
}
// End of file LCDriverThread.cpp
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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