From e815be36e76fd55a9e6cd18c6bdcbda3b63408b0 Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Thu, 2 Jul 2020 15:55:04 +0200
Subject: [PATCH] CordioHCILoop: properly terminate bleLoop thread

Fixes https://github.com/arduino-libraries/ArduinoBLE/issues/65
---
 src/utility/HCICordioTransport.cpp | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/utility/HCICordioTransport.cpp b/src/utility/HCICordioTransport.cpp
index 1de5b4ce..15f0e128 100644
--- a/src/utility/HCICordioTransport.cpp
+++ b/src/utility/HCICordioTransport.cpp
@@ -162,7 +162,7 @@ static void bleLoop()
 }
 
 static rtos::EventFlags bleEventFlags; 
-static rtos::Thread bleLoopThread;
+static rtos::Thread* bleLoopThread = NULL;
 
 
 HCICordioTransportClass::HCICordioTransportClass() :
@@ -186,7 +186,10 @@ int HCICordioTransportClass::begin()
   CordioHCIHook::getDriver().initialize();
   CordioHCIHook::getDriver().start_reset_sequence();
 
-  bleLoopThread.start(bleLoop);
+  if (bleLoopThread == NULL) {
+    bleLoopThread = new rtos::Thread();
+    bleLoopThread->start(bleLoop);
+  }
 
   CordioHCIHook::setDataReceivedHandler(HCICordioTransportClass::onDataReceived);
 
@@ -197,7 +200,11 @@ int HCICordioTransportClass::begin()
 
 void HCICordioTransportClass::end()
 {
-  bleLoopThread.terminate();
+  if (bleLoopThread != NULL) {
+    bleLoopThread->terminate();
+    delete bleLoopThread;
+    bleLoopThread = NULL;
+  }
 
   CordioHCIHook::getDriver().terminate();