sending data over serial port

[vidisha]

hi....i want to send data over serial port to microcontroller....below is my code and im getting errors...so plz can anyone help
void MainWindow::on_btStatus_released() {
if ( m_serialPort->isOpen()) {
AddStatus("Comport open. ");
} else {
AddStatus("Comport not open. ");
}
QStringList text = "a";
m_serialPort->write(text.toStdString().c_str());

}

Errors:

1. error: C2440: 'initializing' : cannot convert from 'const char [2]' to 'QStringList'
   Constructor for class 'QStringList' is declared 'explicit'
2. error: C2039: 'toStdString' : is not a member of 'QStringList'
   3)error: C2228: left of '.c_str' must have class/struct/union

[jsulm]

@vidisha

1. QStringList is a list of strings not a string. You should do QString text = ...
2. When you fixed 1 then 2 will work

[SGaist]

Hi,

Error 1: you are trying to assign a string in a QStringList, did you want QString ?
Error 2: Like written QStringList doesn't have such a method but QString does.
Error 3: Comes from error 2, you are trying to call a function over a result you don't have.

Note that QSerialPort::write has an overload that takes a QByteArray so it's useless to do all these conversions

QByteArray data("a");
m_serialPort->write(data);

[vidisha]

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