[Qt-interest] serial communication
Yuvraj
yuvraj.ragupathi at indieontech.com
Tue Mar 30 10:43:59 CEST 2010
Denis Akhmetzyanov wrote:
> Hi,
> I suggest you to try
> QextSerialPort http://code.google.com/p/qextserialport/ instead of the
> native calls. It is a convenient class implements QIODevice and
> supports signal/slot technology and asynchronous calls.
>
>
> 2010/3/30 Yuvraj <yuvraj.ragupathi at indieontech.com
> <mailto:yuvraj.ragupathi at indieontech.com>>
>
> Hi ,
>
> Here i am opening the serial communication device file and writing
> some data, in other hand i am not getting the data due to enter
> key( "/r/n")
>
> my code is
>
> file_descriptor = open("/dev/ttyS0",O_RDWR);
> if(file_descriptor > 0)
> {
> timer = new QTimer;
> timer1 =new QTimer;
>
> QObject::connect(timer,SIGNAL(timeout()),this,SLOT(browser_append()));
>
> QObject::connect(timer1,SIGNAL(timeout()),this,SLOT(on_send_clicked()));
> timer->start(1);
> timer1->start(10);
> }
> else
> {
> QMessageBox::information(0,"","Connection failed");
> }
>
>
> void window::on_send_clicked()
> {
> int file_id;
> char send_data[150]= "Hi Hello\r\n";
> if(file_descriptor > 0)
> {
> file_id= write(file_descriptor,send_data,15);
> ui->send_text->clear();
> ui->send_text->setFocus();
> if(file_id > 0)
> {
> qDebug()<<"Data successfully written \n";
> }
>
>
> }
>
> }
>
> any ideas?
>
> Thanks
>
> Yuvaraj R
>
>
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>
There itself i am facing same issue (key enter )
Thanks
Yuvaraj
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