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#include "printerclient.h"
#include <exception>
#include <QDebug>
#include <QFile>
#include <QSerialPort>
#include <QSerialPortInfo>
QString getFirstTtyUSB()
{
auto ports = QSerialPortInfo::availablePorts();
std::remove_if(ports.begin(), ports.end(), [](const auto& port) {
return !port.portName().contains("ttyUSB");
});
return ports.isEmpty() ? "" : ports.first().portName();
}
PrinterClient::PrinterClient(QObject* parent)
: QObject{parent} // , m_serialPort{new QSerialPort{"/dev/ttyUSB0", this}}
, m_serialPort{new QSerialPort{getFirstTtyUSB(), this}}
{
if (!m_serialPort->setBaudRate(QSerialPort::Baud115200)) {
throw std::runtime_error(
"serial port: cannot set baud rate: " +
m_serialPort->errorString().toStdString());
return;
}
if (!m_serialPort->open(QFile::ReadWrite)) {
throw std::runtime_error(
"cannot open serial port: " +
m_serialPort->errorString().toStdString());
return;
}
qDebug() << "serial port baud rate:" << m_serialPort->baudRate();
qDebug() << "serial port data bits:" << m_serialPort->dataBits();
qDebug() << "serial port parity:" << m_serialPort->parity();
qDebug() << "serial port stop bits:" << m_serialPort->stopBits();
QObject::connect(m_serialPort, &QSerialPort::readyRead,
this, &PrinterClient::onReadyRead);
QObject::connect(m_serialPort, &QSerialPort::errorOccurred,
this, &PrinterClient::onErrorOccured);
// m_serialPort->write(QByteArray { "G91\n" });
// m_serialPort->flush();
// m_serialPort->write(QByteArray { "G1 Z10\n" });
// m_serialPort->flush();
sendCommand("G91");
// sendCommand("G1 Z10");
// sendCommand("G1 Z-10");
onErrorOccured(QSerialPort::SerialPortError::PermissionError);
}
void PrinterClient::sendCommand(const QString command)
{
const auto written = m_serialPort->write(command.toUtf8() + "\n");
qDebug() << QString("serialPort: send '%1': (written %2 bytes)")
.arg(command).arg(written);
m_serialPort->flush();
}
void PrinterClient::onReadyRead()
{
const auto data = m_serialPort->readAll();
qDebug() << "serialPort: " << data;
emit newData(data);
}
void PrinterClient::onErrorOccured(QSerialPort::SerialPortError error)
{
qWarning() << "serial port error:" << m_serialPort->errorString()
<< "-" << error;
}
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