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/********************************************************************************************************
* PROGRAM : QSerialPortTerminal
* DATE - TIME : vendredi 03 octobre 2008 - 11h15
* AUTHOR : VIANNEY-LIAUD Philippe ( philippe.vianney.liaud gmail.com )
* FILENAME : ManageSerialPort.cpp
* LICENSE : GPL
* COMMENTARY :
********************************************************************************************************/
#include <QtDebug>
#include "ManageSerialPort.h"
/********************************************************************************************************
* Classe ManageSerialPort
*****************************************************************************************************/
//Constructeur
ManageSerialPort::ManageSerialPort()
{
//Init pointeur a NULL
threadSend = NULL;
threadReceive = NULL;
//Init des bool
sendingEnabled = false;
receivingEnabled = false;
closeCalled = false;
saveStateSendEnabled = false;
saveStateReceivedEnabled = false;
saveStateReceiveData = false;
}
ManageSerialPort::ManageSerialPort(const QString &name, const BaudRateType baudRate, \
const DataBitsType dataBits, const ParityType parity, \
const StopBitsType stopBits, const FlowType flowControl, \
ulong seconds, ulong milliseconds)
{
//Init pointeur a NULL
threadSend = NULL;
threadReceive = NULL;
//Init des bool
sendingEnabled = false;
receivingEnabled = false;
closeCalled = false;
saveStateSendEnabled = false;
saveStateReceivedEnabled = false;
saveStateReceiveData = false;
setPort(name);
setBaudRate(baudRate);
setDataBits(dataBits);
setParity(parity);
setStopBits(stopBits);
setFlowControl(flowControl);
setTimeout(seconds, milliseconds);
}
//Destructeur
ManageSerialPort::~ManageSerialPort()
{
if (threadSend != NULL)
{
delete threadSend;
threadSend = NULL;
}
if (threadReceive != NULL)
{
delete threadReceive;
threadReceive = NULL;
}
if (isOpen())
extSerialPort.close();
}
bool ManageSerialPort::open()
{
bool res = extSerialPort.open(QIODevice::ReadWrite);
if (closeCalled)
{
if (saveStateSendEnabled)
enableSending();
if (saveStateReceivedEnabled)
enableReceiving();
if (saveStateReceiveData)
receiveData();
closeCalled = false;
}
return res;
}
bool ManageSerialPort::open(const QString &name, const BaudRateType baudRate, \
const DataBitsType dataBits,const ParityType parity, \
const StopBitsType stopBits, const FlowType flowControl, \
ulong seconds, ulong milliseconds)
{
setPort(name);
setBaudRate(baudRate);
setDataBits(dataBits);
setParity(parity);
setStopBits(stopBits);
setFlowControl(flowControl);
setTimeout(seconds, milliseconds);
bool res = extSerialPort.open(QIODevice::ReadWrite);
return res;
}
bool ManageSerialPort::isOpen()
{
return extSerialPort.isOpen();
}
void ManageSerialPort::close()
{
closeCalled = true;
saveStateSendEnabled = isSendingEnabled();
saveStateReceivedEnabled = isReceivingEnabled();
disableSending();
disableReceiving();
extSerialPort.close();
}
void ManageSerialPort::setPort(const QString &name)
{
extSerialPort.setPortName(name);
}
QString ManageSerialPort::getPort()
{
return extSerialPort.portName();
}
void ManageSerialPort::setBaudRate(const BaudRateType baudRate)
{
extSerialPort.setBaudRate(baudRate);
}
QString ManageSerialPort::getBaudRate()
{
switch (extSerialPort.baudRate())
{
case BAUD50:
return QString("50");
case BAUD75:
return QString("75");
case BAUD110:
return QString("110");
case BAUD134:
return QString("134");
case BAUD150:
return QString("150");
case BAUD200:
return QString("200");
case BAUD300:
return QString("300");
case BAUD600:
return QString("600");
case BAUD1200:
return QString("1200");
case BAUD1800:
return QString("1800");
case BAUD2400:
return QString("2400");
case BAUD4800:
return QString("4800");
case BAUD9600:
return QString("9600");
case BAUD14400:
return QString("14400");
case BAUD19200:
return QString("19200");
case BAUD38400:
return QString("38400");
case BAUD56000:
return QString("56000");
case BAUD57600:
return QString("57600");
case BAUD76800:
return QString("76800");
case BAUD115200:
return QString("115200");
case BAUD128000:
return QString("128000");
case BAUD256000:
return QString("256000");
}
return 0;
}
void ManageSerialPort::setDataBits(const DataBitsType dataBits)
{
extSerialPort.setDataBits(dataBits);
}
QChar ManageSerialPort::getDataBits()
{
switch (extSerialPort.dataBits())
{
case DATA_5:
return QChar('5');
case DATA_6:
return QChar('6');
case DATA_7:
return QChar('7');
case DATA_8:
return QChar('8');
}
return 0;
}
void ManageSerialPort::setParity(const ParityType parity)
{
extSerialPort.setParity(parity);
}
QString ManageSerialPort::getParity()
{
switch (extSerialPort.parity())
{
case PAR_NONE:
return QString(tr("None"));
case PAR_ODD:
return QString(tr("Odd"));
case PAR_EVEN:
return QString(tr("Even"));
case PAR_MARK:
return QString(tr("Mark"));
case PAR_SPACE:
return QString(tr("Space"));
}
return 0;
}
void ManageSerialPort::setStopBits(const StopBitsType stopBits)
{
extSerialPort.setStopBits(stopBits);
}
QString ManageSerialPort::getStopBit()
{
switch (extSerialPort.stopBits())
{
case STOP_1:
return QString("1");
case STOP_1_5:
return QString("1.5");
case STOP_2:
return QString("2");
}
return 0;
}
void ManageSerialPort::setFlowControl(const FlowType flowControl)
{
extSerialPort.setFlowControl(flowControl);
}
QString ManageSerialPort::getFlowControl()
{
switch (extSerialPort.flowControl())
{
case FLOW_OFF:
return QString(tr("None"));
case FLOW_HARDWARE :
return QString(tr("Hardware"));
case FLOW_XONXOFF :
return QString(tr("Xon/Xoff"));
}
return 0;
}
void ManageSerialPort::setTimeout(ulong seconds, ulong milliseconds)
{
extSerialPort.setTimeout(seconds,milliseconds);
}
/*
QString ManageSerialPort::getLastErrorToString()
{
ulong res = extSerialPort.lastError();
switch (res)
{
case E_NO_ERROR:
return QString(tr("No Error has occured"));
case E_INVALID_FD:
return QString(tr("Invalid file descriptor (port was not opened correctly)"));
case E_NO_MEMORY:
return QString(tr("Unable to allocate memory tables (POSIX)"));
case E_CAUGHT_NON_BLOCKED_SIGNAL:
return QString(tr("Caught a non-blocked signal (POSIX)"));
case E_PORT_TIMEOUT:
return QString(tr("Operation timed out (POSIX)"));
case E_INVALID_DEVICE:
return QString(tr("The file opened by the port is not a character device (POSIX)"));
case E_BREAK_CONDITION:
return QString(tr("The port detected a break condition"));
case E_FRAMING_ERROR:
return QString(tr("The port detected a framing error (usually caused by incorrect baud rate settings)"));
case E_IO_ERROR:
return QString(tr("There was an I/O error while communicating with the port"));
case E_BUFFER_OVERRUN:
return QString(tr("Character buffer overrun"));
case E_RECEIVE_OVERFLOW:
return QString(tr("Receive buffer overflow"));
case E_RECEIVE_PARITY_ERROR:
return QString(tr("The port detected a parity error in the received data"));
case E_TRANSMIT_OVERFLOW:
return QString(tr("Transmit buffer overflow"));
case E_READ_FAILED:
return QString(tr("General read operation failure"));
case E_WRITE_FAILED:
return QString(tr("General write operation failure"));
}
return 0;
}*/
/*
ulong ManageSerialPort::getLastError()
{
return extSerialPort.lastError();
}
*/
void ManageSerialPort::enableSending()
{
if (!sendingEnabled && threadSend == NULL) //Si l'envoi n'est pas active && si threadSend n'est pas alloue
{
threadSend = new ThreadSend(extSerialPort);
sendingEnabled = true;
}
}
void ManageSerialPort::disableSending()
{
if (sendingEnabled && threadSend != NULL) //Si l'envoi est active && si threadSend est alloue
{
delete (threadSend);
threadSend = NULL;
sendingEnabled = false;
}
}
bool ManageSerialPort::isSendingEnabled()
{
return sendingEnabled;
}
uchar ManageSerialPort::sendData(QByteArray &dataToSend)
{
if (!isOpen()) //Si le port n'est pas ouvert
return 2;
if (!sendingEnabled || threadSend == NULL) //Si l'envoi n'est pas active || si threadSend n'est pas alloue
return 3;
threadSend->addDataToSend(dataToSend); //Ajout des donnees a envoyer
return 1;
}
void ManageSerialPort::stopSending()
{
if (!sendingEnabled || threadSend == NULL) //Si l'envoi n'est pas active || si threadSend n'est pas été alloue
return;
if (threadSend->isRunning()) //si un envoi est en cour
{
threadSend->stopSending(); //on donne l'ordre d'arreter l'envoi
long tmp = ULONG_MAX;
threadSend->wait(tmp); //on attend l'arret
}
}
void ManageSerialPort::enableReceiving()
{
if (!receivingEnabled && threadReceive == NULL) //Si la reception n'est pas active && si threadReceive n'est pas alloue
{
threadReceive = new ThreadReceive(extSerialPort);
connect(threadReceive, SIGNAL(newDataReceived(const QByteArray &)), this, SIGNAL(newDataReceived(const QByteArray &)));
receivingEnabled = true;
}
}
void ManageSerialPort::disableReceiving()
{
if (receivingEnabled && threadReceive != NULL) //Si la reception est pas active && si threadReceive est alloue
{
delete (threadReceive);
threadReceive = NULL;
receivingEnabled = false;
}
}
bool ManageSerialPort::isReceivingEnabled()
{
return receivingEnabled;
}
uchar ManageSerialPort::receiveData()
{
if (!isOpen()) //Si le port n'est pas ouvert
return 2;
if (!receivingEnabled || threadReceive == NULL) //Si la reception n'est pas active || si threadReceive n'est pas été alloue
return 3;
if (!threadReceive->isRunning())
{
saveStateReceiveData = true;
threadReceive->start(); //Demarrage du thread de reception
}
return 1;
}
void ManageSerialPort::stopReceiving()
{
if (!receivingEnabled || threadReceive == NULL) //Si la reception n'est pas active || si threadReceive n'est pas alloue
return;
if (threadReceive->isRunning()) //Si le thread de reception est en fonctionnement
{
saveStateReceiveData = false;
threadReceive->stopReceiving(); //on donne l'ordre d'arreter la reception
long tmp = ULONG_MAX;
threadReceive->wait(tmp); //on attend l'arret
}
}
/********************************************************************************************************
* Classe ThreadSend
*****************************************************************************************************/
ThreadSend::ThreadSend(QextSerialPort &addressSerialPort) : extSerialPort(addressSerialPort)
{
dataToSend.clear();
stopped=false;
}
ThreadSend::~ThreadSend()
{
if (isRunning())
{
stopSending();
wait();
}
}
void ThreadSend::addDataToSend(QByteArray &dataToAdd)
{
QMutexLocker locker(&mutexSend);
for (int i=0; i<dataToAdd.size(); i++)
dataToSend.enqueue(QByteArray(1,dataToAdd.at(i)));
if (!isRunning())
start();
}
void ThreadSend::stopSending()
{
stopped=true;
}
void ThreadSend::run()
{
QByteArray byteArray;
forever
{
if (dataToSend.isEmpty() || stopped)
{
stopped = false;
break;
}
mutexSend.lock();
byteArray = dataToSend.dequeue();
mutexSend.unlock();
extSerialPort.write(byteArray, 1);
}
}
/********************************************************************************************************
* Classe ThreadReceive - A TERMINER
*****************************************************************************************************/
ThreadReceive::ThreadReceive(QextSerialPort &addressSerialPort) : extSerialPort(addressSerialPort)
{
stopped=false;
}
ThreadReceive::~ThreadReceive()
{
if (isRunning())
{
stopReceiving();
wait();
}
}
void ThreadReceive::stopReceiving()
{
stopped = true;
}
void ThreadReceive::run()
{
int numBytes=0;
char data[1024];
QByteArray dataReceived;
forever
{
if (stopped)
{
stopped = false;
break;
}
mutexReceive.lock();
numBytes = extSerialPort.bytesAvailable();
if (numBytes > 0)
{
extSerialPort.read(data, numBytes);
for (int xy=1; xy < numBytes; xy++)
{
if (data[xy] == 0)
{
data[xy] = 'a';
}
}
data[numBytes]='\0';
dataReceived = data;
emit newDataReceived(dataReceived);
}
mutexReceive.unlock();
}
}