Changes, bugfixes and updgrades. Library is ready to work with arduino-esp32 v1.0.1.

1 files changed, 10 insertions, 5 deletions

diff --git a/examples/BLE_notify/BLE_notify.ino b/examples/BLE_notify/BLE_notify.ino
index 5e915be..42b9e72 100644
--- a/examples/BLE_notify/BLE_notify.ino
+++ b/examples/BLE_notify/BLE_notify.ino
@@ -2,6 +2,7 @@
     Video: https://www.youtube.com/watch?v=oCMOYS71NIU
     Based on Neil Kolban example for IDF: https://github.com/nkolban/esp32-snippets/blob/master/cpp_utils/tests/BLE%20Tests/SampleNotify.cpp
     Ported to Arduino ESP32 by Evandro Copercini
+    updated by chegewara
 
    Create a BLE server that, once we receive a connection, will send periodic notifications.
    The service advertises itself as: 4fafc201-1fb5-459e-8fcc-c5c9c331914b
@@ -27,7 +28,7 @@ BLEServer* pServer = NULL;
 BLECharacteristic* pCharacteristic = NULL;
 bool deviceConnected = false;
 bool oldDeviceConnected = false;
-uint8_t value = 0;
+uint32_t value = 0;
 
 // See the following for generating UUIDs:
 // https://www.uuidgenerator.net/
@@ -52,7 +53,7 @@ void setup() {
   Serial.begin(115200);
 
   // Create the BLE Device
-  BLEDevice::init("MyESP32");
+  BLEDevice::init("ESP32");
 
   // Create the BLE Server
   pServer = BLEDevice::createServer();
@@ -78,17 +79,21 @@ void setup() {
   pService->start();
 
   // Start advertising
-  pServer->getAdvertising()->start();
+  BLEAdvertising *pAdvertising = BLEDevice::getAdvertising();
+  pAdvertising->addServiceUUID(SERVICE_UUID);
+  pAdvertising->setScanResponse(false);
+  pAdvertising->setMinPreferred(0x0);  // set value to 0x00 to not advertise this parameter
+  BLEDevice::startAdvertising();
   Serial.println("Waiting a client connection to notify...");
 }
 
 void loop() {
     // notify changed value
     if (deviceConnected) {
-        pCharacteristic->setValue(&value, 1);
+        pCharacteristic->setValue((uint8_t*)&value, 4);
         pCharacteristic->notify();
         value++;
-        delay(10); // bluetooth stack will go into congestion, if too many packets are sent
+        delay(3); // bluetooth stack will go into congestion, if too many packets are sent, in 6 hours test i was able to go as low as 3ms
     }
     // disconnecting
     if (!deviceConnected && oldDeviceConnected) {