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#include "deviceregistry.h"
#include <QDebug>
#include <QMetaObject>
#include <QLoggingCategory>
#include "flipperzero/helper/deviceinfohelper.h"
#include "flipperzero/flipperzero.h"
#include "flipperzero/devicestate.h"
#include "usbdevice.h"
#define FLIPPER_ZERO_VID 0x0483
#define FLIPPER_ZERO_PID_VCP 0x5740
#define FLIPPER_ZERO_PID_DFU 0xdf11
Q_LOGGING_CATEGORY(LOG_DEVREG, "REG");
using namespace Flipper;
DeviceRegistry::DeviceRegistry(QObject *parent):
QObject(parent),
m_detector(new USBDeviceDetector(this)),
m_error(BackendError::UnknownError),
m_isQueryInProgress(false)
{
connect(m_detector, &USBDeviceDetector::devicePluggedIn, this, &DeviceRegistry::insertDevice);
connect(m_detector, &USBDeviceDetector::deviceUnplugged, this, &DeviceRegistry::removeDevice);
m_detector->setWantedDevices({
USBDeviceInfo(FLIPPER_ZERO_VID, FLIPPER_ZERO_PID_DFU),
USBDeviceInfo(FLIPPER_ZERO_VID, FLIPPER_ZERO_PID_VCP)
.withManufacturer("Flipper Devices Inc.")
.withProductDescription("Flipper Control Virtual ComPort")
});
}
void DeviceRegistry::setBackendLogLevel(int logLevel)
{
m_detector->setLogLevel(logLevel);
}
FlipperZero *DeviceRegistry::currentDevice() const
{
return m_devices.isEmpty() ? nullptr : m_devices.first();
}
int DeviceRegistry::deviceCount() const
{
return m_devices.size();
}
BackendError::ErrorType DeviceRegistry::error() const
{
return m_error;
}
void DeviceRegistry::clearError()
{
setError(BackendError::UnknownError);
}
bool DeviceRegistry::isQueryInProgress() const
{
return m_isQueryInProgress;
}
void DeviceRegistry::insertDevice(const USBDeviceInfo &info)
{
if(!info.isComplete()) {
qCDebug(LOG_DEVREG).noquote().nospace()
<< "Incomplete device info: VID_0x" << QString::number(info.vendorID(), 16) << ":PID_0x"
<< QString::number(info.productID(), 16);
setError(BackendError::InvalidDevice);
} else if(info.vendorID() != FLIPPER_ZERO_VID) {
qCDebug(LOG_DEVREG) << "Unexpected device VID and PID";
setError(BackendError::InvalidDevice);
} else {
setQueryInProgress(true);
qCDebug(LOG_DEVREG).noquote().nospace()
<< "Detected new device: VID_0x" << QString::number(info.vendorID(), 16) << ":PID_0x" << QString::number(info.productID(), 16);
auto *fetcher = Zero::AbstractDeviceInfoHelper::create(info, this);
connect(fetcher, &Zero::AbstractDeviceInfoHelper::finished, this, &DeviceRegistry::processDevice);
connect(fetcher, &Zero::AbstractDeviceInfoHelper::finished, fetcher, &QObject::deleteLater);
}
}
void DeviceRegistry::removeDevice(const USBDeviceInfo &info)
{
const auto it = std::find_if(m_devices.begin(), m_devices.end(), [&](Flipper::FlipperZero *dev) {
const auto &deviceInfo = dev->deviceState()->deviceInfo().usbInfo;
return deviceInfo.backendData() == info.backendData();
});
if(it != m_devices.end()) {
const auto idx = std::distance(m_devices.begin(), it);
auto *device = m_devices.at(idx);
if(!device->deviceState()->isPersistent()) {
qCDebug(LOG_DEVREG).noquote().nospace()
<< "Device disconnected: VID_0x" << QString::number(info.vendorID(), 16) << ":PID_0x" << QString::number(info.productID(), 16);
m_devices.takeAt(idx)->deleteLater();
emit deviceCountChanged();
emit currentDeviceChanged();
} else {
qCDebug(LOG_DEVREG).noquote().nospace()
<< "Device went offline: VID_0x" << QString::number(info.vendorID(), 16) << ":PID_0x" << QString::number(info.productID(), 16);
device->deviceState()->setOnline(false);
}
}
}
void DeviceRegistry::removeOfflineDevices()
{
auto it = std::remove_if(m_devices.begin(), m_devices.end(), [](Flipper::FlipperZero *arg) {
return !arg->deviceState()->isOnline();
});
for(const auto end = m_devices.end(); it != end; ++it) {
qCDebug(LOG_DEVREG).noquote() << "Removed offline device:" << (*it)->deviceState()->name();
m_devices.erase(it);
emit deviceCountChanged();
(*it)->deleteLater();
}
}
void DeviceRegistry::processDevice()
{
setQueryInProgress(false);
auto *fetcher = qobject_cast<Zero::AbstractDeviceInfoHelper*>(sender());
const auto &info = fetcher->result();
if(fetcher->isError()) {
qCDebug(LOG_DEVREG).noquote() << "Device initialization failed:" << fetcher->errorString();
setError(fetcher->error());
return;
}
const auto it = std::find_if(m_devices.begin(), m_devices.end(), [&info](Flipper::FlipperZero *arg) {
return info.name == arg->deviceState()->name();
});
if(it != m_devices.end()) {
// Preserving the old instance
qCDebug(LOG_DEVREG) << "Device went back online";
(*it)->deviceState()->setDeviceInfo(info);
} else {
qCDebug(LOG_DEVREG) << "Registering the device";
auto *device = new FlipperZero(info, this);
m_devices.append(device);
emit deviceCountChanged();
if(m_devices.size() == 1) {
emit currentDeviceChanged();
}
}
}
void DeviceRegistry::setError(BackendError::ErrorType newError)
{
if(m_error == newError) {
return;
}
m_error = newError;
emit errorOccured();
}
void DeviceRegistry::setQueryInProgress(bool set)
{
if(m_isQueryInProgress == set) {
return;
}
m_isQueryInProgress = set;
emit isQueryInProgressChanged();
}
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