From d88eee8fcf23e20ae76b3dd346b36af693849ccd Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Thu, 22 Nov 2018 19:30:14 +0100
Subject: o Working enabling of notifications.

---
 apps/ble-read-characteristic.cpp | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'apps/ble-read-characteristic.cpp')

diff --git a/apps/ble-read-characteristic.cpp b/apps/ble-read-characteristic.cpp
index 8a0a7b6..a11b0cf 100644
--- a/apps/ble-read-characteristic.cpp
+++ b/apps/ble-read-characteristic.cpp
@@ -1,5 +1,6 @@
 #include <stdexcept>
 #include <iostream>
+#include <thread>
 #include <vector>
 #include <boost/uuid/uuid_io.hpp>
 #include "ble/Bluetooth.h"
@@ -100,8 +101,18 @@ public:
             cout << "Got data, size=" << response.getSize() << endl;
         } else if (op_mode == op::NOTIFY) {
             auto cccd = characteristic.get()->getDescriptor(trygvis::bluetooth::uuids::CLIENT_CHARACTERISTIC_CONFIG);
-//            cccd->setValue(BluetoothGattDescriptor::ENABLE_NOTIFICATION_VALUE);
-            gatt->setCharacteristicNotification(cccd, true);
+
+            if (!cccd) {
+                cout << "The characteristic does not have a CCCD" << endl;
+            } else {
+                cerr << "Enabling notifications" << endl;
+                cccd->setValue(ByteBuffer::wrapInitialized(BluetoothGattDescriptor::ENABLE_NOTIFICATION_VALUE));
+                gatt->setCharacteristicNotification(cccd, true);
+                gatt->write(cccd);
+
+                cout << "sleeping" << endl;
+                std::this_thread::sleep_for(10s);
+            }
         } else {
             cout << "Unsupported op mode." << endl;
         }
-- 
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