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example 'meshtastic': faster BLE discovery; add TODO

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This commit is contained in:
pls.153 2024-02-18 22:29:27 +01:00
parent 740fbb285e
commit 52ad54dfca
4 changed files with 11 additions and 10 deletions
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8
examples/meshtastic/cpp/ble.cpp
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@ -10,7 +10,7 @@
BLE::BLE(const QBluetoothUuid& uuid) : mainServiceUuid(uuid) {
discoveryAgent = new QBluetoothDeviceDiscoveryAgent();
discoveryAgent->setLowEnergyDiscoveryTimeout(5000);
discoveryAgent->setLowEnergyDiscoveryTimeout(1000); // assumes 'ScanSettings.SCAN_MODE_LOW_LATENCY', see '../hacks/'
connect(discoveryAgent, &QBluetoothDeviceDiscoveryAgent::deviceDiscovered,
this, &BLE::addDevice);
@ -46,11 +46,13 @@ void BLE::deviceScanFinished() {
}
if (devices.isEmpty()) {
qDebug() << "no BLE devices found";
discoveryAgent->setLowEnergyDiscoveryTimeout(3000);
QTimer::singleShot(0, this, &BLE::startDeviceDiscovery);
} else {
qDebug() << "device scan done";
discoveryAgent->setLowEnergyDiscoveryTimeout(1000); // reset to default
QTimer::singleShot(0, this, &BLE::scanServices);
}
QTimer::singleShot(0, this, &BLE::scanServices);
}
void BLE::scanServices() {