From 34559fdee3a174a6a4c2c1469efe9802cf6e803c Mon Sep 17 00:00:00 2001
From: jgromes <jgromes@users.noreply.github.com>
Date: Wed, 1 Apr 2020 14:02:25 +0200
Subject: [PATCH] [SSTV] Added missing calls to yield

---
 src/protocols/SSTV/SSTV.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/protocols/SSTV/SSTV.cpp b/src/protocols/SSTV/SSTV.cpp
index dfbeea30..c3843ad8 100644
--- a/src/protocols/SSTV/SSTV.cpp
+++ b/src/protocols/SSTV/SSTV.cpp
@@ -262,5 +262,7 @@ uint16_t SSTVClient::getPictureHeight() {
 void SSTVClient::tone(float freq, uint32_t len) {
   uint32_t start = micros();
   _phy->transmitDirect(_base + (freq / _phy->getFreqStep()));
-  while(micros() - start < len);
+  while(micros() - start < len) {
+    yield();
+  }
 }