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Delay the response handling in BLE with ~60 ms

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Hopefully this avoids error 133 seen in #159. At least that's what
https://android.jlelse.eu/lessons-for-first-time-android-bluetooth-le-developers-i-learned-the-hard-way-fee07646624
suggests.
This commit is contained in:
Erik Johansson
2018-07-05 00:03:49 +02:00
parent baa29e7b86
commit ccbd62fdeb
1 changed files with 18 additions and 14 deletions
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32
android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
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@@ -684,24 +684,32 @@ public abstract class BluetoothCommunication {
setBtMachineState(BT_MACHINE_STATE.BT_INIT_STATE);
}
private void postDelayedHandleRequests() {
// Wait a short while before starting the next operation as suggested
// on the android.jlelse.eu link above.
handler.postDelayed(new Runnable() {
@Override
public void run() {
synchronized (lock) {
openRequest = false;
handleRequests();
}
}
}, 60);
}
@Override
public void onDescriptorWrite(BluetoothGatt gatt,
BluetoothGattDescriptor descriptor,
int status) {
synchronized (lock) {
openRequest = false;
handleRequests();
}
postDelayedHandleRequests();
}
@Override
public void onCharacteristicWrite(BluetoothGatt gatt,
BluetoothGattCharacteristic characteristic,
int status) {
synchronized (lock) {
openRequest = false;
handleRequests();
}
postDelayedHandleRequests();
}
@Override
@@ -713,8 +721,7 @@ public abstract class BluetoothCommunication {
synchronized (lock) {
onBluetoothDataRead(gatt, characteristic, status);
openRequest = false;
handleRequests();
postDelayedHandleRequests();
}
}
@@ -736,10 +743,7 @@ public abstract class BluetoothCommunication {
Timber.d("onDescriptorRead %s (status=%d): %s",
descriptor.getUuid(), status, byteInHex(descriptor.getValue()));
synchronized (lock) {
openRequest = false;
handleRequests();
}
postDelayedHandleRequests();
}
}
}