correct version of BLE libraries

last working version of this library with the ESP32 env revision pointed in the wiki

lib/ESP32_BLE_Arduino/examples/BLE_uart/BLE_uart.ino

@@ -24,10 +24,8 @@
 #include <BLEUtils.h>
 #include <BLE2902.h>
 
-BLEServer *pServer = NULL;
-BLECharacteristic * pTxCharacteristic;
+BLECharacteristic *pCharacteristic;
 bool deviceConnected = false;
-bool oldDeviceConnected = false;
 uint8_t txValue = 0;
 
 // See the following for generating UUIDs:
@@ -72,26 +70,26 @@ void setup() {
   BLEDevice::init("UART Service");
 
   // Create the BLE Server
-  pServer = BLEDevice::createServer();
+  BLEServer *pServer = BLEDevice::createServer();
   pServer->setCallbacks(new MyServerCallbacks());
 
   // Create the BLE Service
   BLEService *pService = pServer->createService(SERVICE_UUID);
 
   // Create a BLE Characteristic
-  pTxCharacteristic = pService->createCharacteristic(
-										CHARACTERISTIC_UUID_TX,
-										BLECharacteristic::PROPERTY_NOTIFY
-									);
+  pCharacteristic = pService->createCharacteristic(
+                      CHARACTERISTIC_UUID_TX,
+                      BLECharacteristic::PROPERTY_NOTIFY
+                    );
                       
-  pTxCharacteristic->addDescriptor(new BLE2902());
+  pCharacteristic->addDescriptor(new BLE2902());
 
-  BLECharacteristic * pRxCharacteristic = pService->createCharacteristic(
-											 CHARACTERISTIC_UUID_RX,
-											BLECharacteristic::PROPERTY_WRITE
-										);
+  BLECharacteristic *pCharacteristic = pService->createCharacteristic(
+                                         CHARACTERISTIC_UUID_RX,
+                                         BLECharacteristic::PROPERTY_WRITE
+                                       );
 
-  pRxCharacteristic->setCallbacks(new MyCallbacks());
+  pCharacteristic->setCallbacks(new MyCallbacks());
 
   // Start the service
   pService->start();
@@ -103,23 +101,11 @@ void setup() {
 
 void loop() {
 
-    if (deviceConnected) {
-        pTxCharacteristic->setValue(&txValue, 1);
-        pTxCharacteristic->notify();
-        txValue++;
-		delay(10); // bluetooth stack will go into congestion, if too many packets are sent
-	}
-
-    // disconnecting
-    if (!deviceConnected && oldDeviceConnected) {
-        delay(500); // give the bluetooth stack the chance to get things ready
-        pServer->startAdvertising(); // restart advertising
-        Serial.println("start advertising");
-        oldDeviceConnected = deviceConnected;
-    }
-    // connecting
-    if (deviceConnected && !oldDeviceConnected) {
-		// do stuff here on connecting
-        oldDeviceConnected = deviceConnected;
-    }
+  if (deviceConnected) {
+    Serial.printf("*** Sent Value: %d ***\n", txValue);
+    pCharacteristic->setValue(&txValue, 1);
+    pCharacteristic->notify();
+    txValue++;
+  }
+  delay(1000);
 }