From 2f0dac1bb7ffac74d56db184f4eaf2b3635d9031 Mon Sep 17 00:00:00 2001
From: jgromes <jan.gromes@gmail.com>
Date: Fri, 18 Nov 2022 18:05:42 +0100
Subject: [PATCH] [SSTV] Added support for interrupt-based timing (#596)

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

diff --git a/src/protocols/SSTV/SSTV.cpp b/src/protocols/SSTV/SSTV.cpp
index d8fda186..9b4bcf7f 100644
--- a/src/protocols/SSTV/SSTV.cpp
+++ b/src/protocols/SSTV/SSTV.cpp
@@ -301,9 +301,7 @@ void SSTVClient::tone(float freq, uint32_t len) {
   #else
   _phy->transmitDirect(_base + (freq / _phy->getFreqStep()));
   #endif
-  while(mod->micros() - start < len) {
-    mod->yield();
-  }
+  mod->waitForMicroseconds(start, len);
 }
 
 #endif