From 9856f0cc2892ad66ae3017a1473c3eb447f3b05a Mon Sep 17 00:00:00 2001
From: jgdent <62173640+jgdent@users.noreply.github.com>
Date: Wed, 30 Sep 2020 13:52:22 +0200
Subject: [PATCH] Update RMTLoopback.ino (#3823)

BUGFIX: avoids assertion in xEventGroupWaitBits()
(/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/freertos/event_groups.c:350 (xEventGroupWaitBits)- assert failed!)
---
 libraries/ESP32/examples/RMT/RMTLoopback/RMTLoopback.ino | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/ESP32/examples/RMT/RMTLoopback/RMTLoopback.ino b/libraries/ESP32/examples/RMT/RMTLoopback/RMTLoopback.ino
index 54f2d2c9..248aad3f 100644
--- a/libraries/ESP32/examples/RMT/RMTLoopback/RMTLoopback.ino
+++ b/libraries/ESP32/examples/RMT/RMTLoopback/RMTLoopback.ino
@@ -16,6 +16,7 @@ static EventGroupHandle_t events;
 void setup() 
 {
     Serial.begin(115200);
+    events = xEventGroupCreate();
     
     if ((rmt_send = rmtInit(18, true, RMT_MEM_64)) == NULL)
     {