74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
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#include "hidreader.h"
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#include <QDebug>
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HIDReader::HIDReader(QObject *parent)
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: QThread(parent), quit(false), device(nullptr) {
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}
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HIDReader::~HIDReader() {
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stopReading();
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wait();
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if (device) {
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hid_close(device);
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}
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hid_exit();
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}
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void HIDReader::startReading() {
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QMutexLocker locker(&mutex);
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if (!isRunning()) {
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start();
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} else {
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condition.wakeOne();
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}
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}
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void HIDReader::stopReading() {
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QMutexLocker locker(&mutex);
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quit = true;
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condition.wakeOne();
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}
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void HIDReader::run() {
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qDebug() << "Initializing HID...";
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if (hid_init() != 0) {
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qWarning() << "Failed to initialize HID library";
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return;
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}
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qDebug() << "Opening HID device...";
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device = hid_open(0x046a, 0x00cb, nullptr);
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if (!device) {
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qWarning() << "Unable to open device";
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return;
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}
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qDebug() << "HID device opened successfully";
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while (!quit) {
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unsigned char buf[256];
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qDebug() << "Reading from HID device...";
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int res = hid_read(device, buf, sizeof(buf));
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if (res > 0) {
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qDebug() << "Data read from HID device:" << QByteArray(reinterpret_cast<char*>(buf), res).toHex();
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QByteArray data(reinterpret_cast<char*>(buf), res);
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emit dataRead(data);
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} else if (res < 0) {
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const wchar_t* error = hid_error(device);
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if (error) {
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qWarning() << "Error reading from HID device:" << QString::fromWCharArray(error);
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} else {
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qWarning() << "Unknown error reading from HID device";
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}
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break;
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} else {
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qDebug() << "No data read from HID device";
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}
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}
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qDebug() << "Closing HID device...";
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hid_close(device);
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device = nullptr;
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qDebug() << "HID device closed";
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}
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