Question

请教：linux下Qt读取串口的问题

Answer 1

de=C/C++][/void Download::readMyCom()
{
qWarning("read!");
qDebug() << "read: "<< myCom->bytesAvailable()<<"bytes";
QByteArray temp = myCom->readAll();
ui->textBrowser->insertPlainText(temp);

QFile file("write2fileName");
//如果打开失败则给出提示并退出函数
if(!file.open(QFile::Append | QIODevice::Text)){
qWarning("fail to open the file!");

return;
}
QDataStream out(&file);