From ebd7a528ac737eeb2dc736c073ce834e9b7fa556 Mon Sep 17 00:00:00 2001
From: Ben Hencke <brainstar@gmail.com>
Date: Sat, 15 Feb 2020 06:43:46 -0800
Subject: [PATCH] add a yield here for esp32 to avoid a busy loop

if data isn't available yet, but is expected, yielding here is nicer
than burning the cpu in a loop, just like in esp8266 case.
---
 src/WebSockets.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/WebSockets.cpp b/src/WebSockets.cpp
index a3ada67..21d3ef8 100644
--- a/src/WebSockets.cpp
+++ b/src/WebSockets.cpp
@@ -625,6 +625,9 @@ bool WebSockets::readCb(WSclient_t * client, uint8_t * out, size_t n, WSreadWait
         if(!client->tcp->available()) {
 #if(WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP8266)
             delay(0);
+#endif
+#if(WEBSOCKETS_NETWORK_TYPE == NETWORK_ESP32)
+            yield();
 #endif
             continue;
         }