From 1750983d3f053316c735d602c7f9a1b56dc4462b Mon Sep 17 00:00:00 2001
From: Alex Blasche <alexander.blasche@qt.io>
Date: Wed, 7 Dec 2016 08:58:09 +0100
Subject: [PATCH] Restrict the BTLE examples to Low Energy use cases
This change vastely descreases the search time. There is no need to
perform a traditional SDP scan too.
Change-Id: I63d7e16dca77fb1b1db42bb330f91e917a9dd054
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
---
examples/bluetooth/heartlistener/heartrate.cpp | 3 ++-
examples/bluetooth/lowenergyscanner/device.cpp | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/examples/bluetooth/heartlistener/heartrate.cpp b/examples/bluetooth/heartlistener/heartrate.cpp
index 7077bf1c..c206b69e 100644
--- a/examples/bluetooth/heartlistener/heartrate.cpp
+++ b/examples/bluetooth/heartlistener/heartrate.cpp
@@ -50,6 +50,7 @@ HeartRate::HeartRate():
{
//! [devicediscovery-1]
m_deviceDiscoveryAgent = new QBluetoothDeviceDiscoveryAgent(this);
+ m_deviceDiscoveryAgent->setLowEnergyDiscoveryTimeout(5000);
connect(m_deviceDiscoveryAgent, SIGNAL(deviceDiscovered(const QBluetoothDeviceInfo&)),
this, SLOT(addDevice(const QBluetoothDeviceInfo&)));
@@ -73,7 +74,7 @@ void HeartRate::deviceSearch()
qDeleteAll(m_devices);
m_devices.clear();
//! [devicediscovery-2]
- m_deviceDiscoveryAgent->start();
+ m_deviceDiscoveryAgent->start(QBluetoothDeviceDiscoveryAgent::LowEnergyMethod);
//! [devicediscovery-2]
setMessage("Scanning for devices...");
}
diff --git a/examples/bluetooth/lowenergyscanner/device.cpp b/examples/bluetooth/lowenergyscanner/device.cpp
index 5ef2cf76..28a051f5 100644
--- a/examples/bluetooth/lowenergyscanner/device.cpp
+++ b/examples/bluetooth/lowenergyscanner/device.cpp
@@ -54,6 +54,7 @@ Device::Device():
{
//! [les-devicediscovery-1]
discoveryAgent = new QBluetoothDeviceDiscoveryAgent();
+ discoveryAgent->setLowEnergyDiscoveryTimeout(5000);
connect(discoveryAgent, SIGNAL(deviceDiscovered(const QBluetoothDeviceInfo&)),
this, SLOT(addDevice(const QBluetoothDeviceInfo&)));
connect(discoveryAgent, SIGNAL(error(QBluetoothDeviceDiscoveryAgent::Error)),
@@ -84,7 +85,7 @@ void Device::startDeviceDiscovery()
setUpdate("Scanning for devices ...");
//! [les-devicediscovery-2]
- discoveryAgent->start();
+ discoveryAgent->start(QBluetoothDeviceDiscoveryAgent::LowEnergyMethod);
//! [les-devicediscovery-2]
if (discoveryAgent->isActive()) {
--
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