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readportthread.cpp
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readportthread.cpp
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#include "readportthread.h"
#include <QtGlobal>
#include <QByteArray>
ReadPortThread::ReadPortThread(QObject *parent)
: QThread(parent)
{
stopped = false;
//wind = NULL;
}
void ReadPortThread::setPort(int value)
{
this->port = value;
}
void ReadPortThread::setPrefix(const QString & value)
{
QByteArray byteArray;
byteArray = QByteArray::fromHex(value.toLocal8Bit());
this->prefix = QString::fromAscii(byteArray.data());
}
void ReadPortThread::setSuffix(const QString & value)
{
QByteArray byteArray;
byteArray = QByteArray::fromHex(value.toLocal8Bit());
this->suffix = QString::toLocal8Bit(byteArray.data());
}
void ReadPortThread::run()
{
HANDLE Port;
DCB dcb;
COMMTIMEOUTS CommTimeOuts;
CloseHandle(Port);
Port = CreateFileA(tr("\\\\.\\COM").append(QString().number(this->port)).toAscii(), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (Port == INVALID_HANDLE_VALUE)
{
MessageBoxA(NULL, "���������� ������� ���������������� ����", "Error", MB_OK);
return;
}
if(GetCommState(Port, &dcb)==0)
{
CloseHandle(Port);
MessageBoxA(NULL, "������ ��������� ���������� �����", "Error", MB_OK);
// ������ !
}
dcb.DCBlength = 28;
dcb.BaudRate = 9600;
dcb.fBinary = 1;
dcb.fParity = 0;
dcb.fOutxCtsFlow = 0;
dcb.fOutxDsrFlow = 0;
dcb.fDtrControl = 1;
dcb.fDsrSensitivity = 0;
dcb.fTXContinueOnXoff = 0;
dcb.fOutX = 1;
dcb.fInX = 1;
dcb.fErrorChar = 0;
dcb.fNull = 0;
dcb.fRtsControl = 1;
dcb.fAbortOnError = 0;
dcb.fDummy2 = 0;
dcb.wReserved = 0;
dcb.XonLim = 0;
dcb.XoffLim = 0;
dcb.ByteSize = 8;
dcb.Parity = 0;
dcb.StopBits = 0;
dcb.XonChar = 0;
dcb.XoffChar = 0;
dcb.ErrorChar = 0;
dcb.EofChar = 0;
dcb.EvtChar = 0;
dcb.wReserved1 = 0;
CommTimeOuts.ReadIntervalTimeout= 10;
CommTimeOuts.ReadTotalTimeoutMultiplier = 1;
// �������� ���� ���� � ����� ������ ������� ��� ���������� ������
// ���� �� �������� 110 ���
CommTimeOuts.ReadTotalTimeoutConstant = 100;
// ������������ � ������ ������ ��� ����� �������� �������
CommTimeOuts.WriteTotalTimeoutMultiplier = 0;
CommTimeOuts.WriteTotalTimeoutConstant = 0;
SetCommTimeouts(Port, &CommTimeOuts);
PurgeComm(Port, PURGE_RXCLEAR);
PurgeComm(Port, PURGE_TXCLEAR);
SetCommState(Port,&dcb);
DWORD dwHasRead;
char pValue[255];
QString str;
QString suff;
suff = this->suffix;
stopped = false;
while (! stopped)
{
ReadFile(Port, pValue, 255, &dwHasRead, NULL);
if (dwHasRead > 0)
{
str.append(QString::toLocal8Bit(pValue, dwHasRead));
//str.append(QString::number(dwHasRead));
//barcode.changeBarcode(str);
/*QByteArray hex1;
hex1 = QByteArray(pValue, dwHasRead);*/
QString barcode;
int end_index;
end_index = str.indexOf(suff); //� ����� ������
while (end_index >= 0)
{
barcode = str.left(end_index);
barcode = barcode.remove(QChar('F'), Qt::CaseSensitive);
emit appProduct(barcode);
//MessageBoxA(NULL, barcode.toAscii().data(), "", MB_OK);
str.remove(0, end_index + suff.length());
end_index = str.indexOf(suff); //� ����� ������
}
}
}
CloseHandle(Port);
}
void ReadPortThread::stop()
{
stopped = true;
}