wait for a packet before starting

src/devices/echelonconnectsport/echelonconnectsport.cpp

@@ -252,6 +252,7 @@ void echelonconnectsport::characteristicChanged(const QLowEnergyCharacteristic &
     qDebug() << " << " + newValue.toHex(' ');
 
     lastPacket = newValue;
+    emit packetReceived();
 
            // resistance value is in another frame
     if (newValue.length() == 5 && ((unsigned char)newValue.at(0)) == 0xf0 && ((unsigned char)newValue.at(1)) == 0xd2) {
@@ -377,25 +378,38 @@ double echelonconnectsport::GetDistanceFromPacket(const QByteArray &packet) {
     return data;
 }
 
+void echelonconnectsport::waitForAPacket() {
+    QEventLoop loop;
+    QTimer timeout;
+    connect(this, &echelonconnectsport::packetReceived, &loop, &QEventLoop::quit);
+    timeout.singleShot(3000, &loop, SLOT(quit()));
+    loop.exec();
+}
+
 void echelonconnectsport::btinit() {
-    uint8_t initData1[] = {0xf0, 0xa1, 0x00, 0x91};
-    uint8_t initData2[] = {0xf0, 0xa3, 0x00, 0x93};
-    uint8_t initData3[] = {0xf0, 0xb0, 0x01, 0x01, 0xa2};
-    // uint8_t initData4[] = { 0xf0, 0x60, 0x00, 0x50 }; // get sleep command
+    waitForAPacket();
+    waitForAPacket();
 
-    // useless i guess
-    // writeCharacteristic(initData4, sizeof(initData4), "get sleep", false, true);
+    uint8_t initData1[] = {0xf0, 0xa4, 0x00, 0x94};
+    uint8_t initData2[] = {0xf0, 0xe0, 0x1b, 0xb5, 0x81, 0x08, 0x33, 0x5c};
+    uint8_t initData3[] = {0xf0, 0xa1, 0x00, 0x91};
+    uint8_t initData4[] = {0xf0, 0xa3, 0x00, 0x93};
+    uint8_t initData5[] = {0xf0, 0xb0, 0x01, 0x01, 0xa2};
+    uint8_t initData6[] = {0xf0, 0xa5, 0x00, 0x95};
+    uint8_t initData7[] = {0xf0, 0x71, 0x03, 0x00, 0x00, 0xff, 0x63};
 
-    // in the snoof log it repeats this frame 4 times, i will have to analyze the response to understand if 4 times are
-    // enough
-    writeCharacteristic(initData1, sizeof(initData1), QStringLiteral("init"), false, true);
-    writeCharacteristic(initData1, sizeof(initData1), QStringLiteral("init"), false, true);
-    writeCharacteristic(initData1, sizeof(initData1), QStringLiteral("init"), false, true);
-    writeCharacteristic(initData1, sizeof(initData1), QStringLiteral("init"), false, true);
-
-    writeCharacteristic(initData2, sizeof(initData2), QStringLiteral("init"), false, true);
+    writeCharacteristic(initData1, sizeof(initData1), QStringLiteral("init"), false, false);
+    writeCharacteristic(initData2, sizeof(initData2), QStringLiteral("init"), false, false);
     writeCharacteristic(initData1, sizeof(initData1), QStringLiteral("init"), false, true);
     writeCharacteristic(initData3, sizeof(initData3), QStringLiteral("init"), false, true);
+    writeCharacteristic(initData3, sizeof(initData3), QStringLiteral("init"), false, true);
+    writeCharacteristic(initData3, sizeof(initData3), QStringLiteral("init"), false, true);
+    writeCharacteristic(initData3, sizeof(initData3), QStringLiteral("init"), false, true);
+    writeCharacteristic(initData4, sizeof(initData4), QStringLiteral("init"), false, true);
+    writeCharacteristic(initData5, sizeof(initData5), QStringLiteral("init"), false, true);
+    waitForAPacket();
+    writeCharacteristic(initData6, sizeof(initData6), QStringLiteral("init"), false, true);
+    writeCharacteristic(initData7, sizeof(initData7), QStringLiteral("init"), false, true);
 
     initDone = true;
 

src/devices/echelonconnectsport/echelonconnectsport.h

@@ -80,6 +80,8 @@ class echelonconnectsport : public bike {
     bool noWriteResistance = false;
     bool noHeartService = false;
 
+    void waitForAPacket();
+
 #ifdef Q_OS_IOS
     lockscreen *h = 0;
     lockscreen* iOS_echelonConnectSport = nullptr;
@@ -87,6 +89,7 @@ class echelonconnectsport : public bike {
 
   Q_SIGNALS:
     void disconnected();
+    void packetReceived();
 
   public slots:
     void deviceDiscovered(const QBluetoothDeviceInfo &device);