mirrors/lqml
1
Fork 0
mirror of https://gitlab.com/eql/lqml.git synced 2025-12-10 04:20:17 -08:00
Code Issues Projects Releases Packages Wiki Activity

example 'cl-repl': simple edit mode for uLisp (Arduino) connected to USB

Browse source
This commit is contained in:
pls.153 2024-05-07 12:31:32 +02:00
parent 9aba49287c
commit ff27767747
10 changed files with 186 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

82
examples/cl-repl/cpp/usb/usb.cpp Normal file
View file

@ -0,0 +1,82 @@
#include "usb.h"
#include <QSerialPortInfo>
#include <QTimer>
#include <QtDebug>
USB::USB() {
connect(this, &QSerialPort::readyRead, this, &USB::read2);
connect(this, &QSerialPort::errorOccurred,
[](QSerialPort::SerialPortError error) {
if (error != QSerialPort::NoError) {
qDebug() << "USB error:" << error;
}
});
setBaudRate(Baud9600);
timer.setSingleShot(true);
connect(&timer, &QTimer::timeout, this, &USB::done);
}
bool USB::connect2() {
if (isOpen()) {
setReady(portName());
qDebug() << "USB already open:" << portName();
return true;
}
const auto infos = QSerialPortInfo::availablePorts();
const QStringList supported = { "Arduino" }; // set here micro controller name
for (auto info : infos) {
QString name(info.manufacturer() + " | " + info.description());
QString port(info.portName());
if (port.startsWith("tty") &&
(port.contains("ACM", Qt::CaseInsensitive) || // Linux
port.contains("USB", Qt::CaseInsensitive))) { // macOS
for (auto s : supported) {
if (name.contains(s, Qt::CaseInsensitive)) {
setPortName(info.portName());
qDebug() << "USB:" << port
<< "VID" << info.vendorIdentifier()
<< "PID" << info.productIdentifier()
<< "name" << name;
goto done;
}
}
}
}
done:
if (!open(QIODevice::ReadWrite)) {
qDebug() << "USB: unable to open port" << portName();
return false;
} else {
ready = true;
setReady(portName());
qDebug() << "USB open";
}
return true;
}
void USB::disconnect() {
close();
qDebug() << "USB closed";
}
void USB::write2(const QByteArray& data) {
if (ready) {
write(data);
} else {
qDebug() << "USB not ready: write()";
}
}
void USB::read2() {
packets << readAll();
timer.start(250); // assume receiving done after pause
}
void USB::done() {
Q_EMIT receivingDone(packets.join());
packets.clear();
}