diff --git a/cores/arduino/Tone.cpp b/cores/arduino/Tone.cpp index 37b6b0b0d..010a0c497 100644 --- a/cores/arduino/Tone.cpp +++ b/cores/arduino/Tone.cpp @@ -169,7 +169,10 @@ void noTone (uint8_t outputPin) */ if(firstTimeRunning) { + NVIC_DisableIRQ(TONE_TC_IRQn); resetTC(TONE_TC); + NVIC_EnableIRQ(TONE_TC_IRQn); + digitalWrite(outputPin, LOW); toneIsActive = false; }