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Only allow a single BLE request at once #22

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Only allow a single BLE request at once #22

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6 changes: 3 additions & 3 deletions provisioning/src/main/java/com/espressif/provisioning/transport/BLETransport.java
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@ public class BLETransport implements Transport {
*/
public BLETransport(Context context) {
this.context = context;
this.transportToken = new Semaphore(1);
this.transportToken = new Semaphore(0);
this.dispatcherThreadPool = Executors.newSingleThreadExecutor();
}

Expand All @@ -85,8 +85,6 @@ public BLETransport(Context context) {
@Override
public void sendConfigData(String path, byte[] data, ResponseListener listener) {

currentResponseListener = listener;

if (uuidMap.containsKey(path)) {

BluetoothGattCharacteristic characteristic = service.getCharacteristic(UUID.fromString(uuidMap.get(path)));
Expand All @@ -98,11 +96,13 @@ public void sendConfigData(String path, byte[] data, ResponseListener listener)
if (characteristic != null) {
try {
this.transportToken.acquire();
currentResponseListener = listener;
characteristic.setValue(data);
bluetoothGatt.writeCharacteristic(characteristic);
} catch (Exception e) {
e.printStackTrace();
listener.onFailure(e);
currentResponseListener = null;
this.transportToken.release();
}
} else {
Expand Down