From 98cdddfb16f915d82486b9820e167d2f312b1274 Mon Sep 17 00:00:00 2001
From: Akihiro Komori <akihiro.komori@gmail.com>
Date: Tue, 11 Dec 2018 15:00:25 +0900
Subject: [PATCH] add BLE2902

---
 src/Ble_esp32.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Ble_esp32.h b/src/Ble_esp32.h
index 9db221f..4da3490 100644
--- a/src/Ble_esp32.h
+++ b/src/Ble_esp32.h
@@ -202,6 +202,9 @@ bool BleMidiInterface::begin(const char* deviceName)
                                                      BLECharacteristic::PROPERTY_NOTIFY |
                                                      BLECharacteristic::PROPERTY_WRITE_NR
                                                      );
+    // Add CCCD 0x2902 to allow notify
+    _characteristic->addDescriptor(new BLE2902());
+
     _characteristic->setCallbacks(new MyCharacteristicCallbacks(this));
     // Start the service
     service->start();