From 81a90d19f493234f2c94b47dccc4e524439c0030 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Tue, 9 Sep 2025 15:04:39 +0700
Subject: [PATCH] Fix hang in noTone()

---
 cores/arduino/Tone.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cores/arduino/Tone.cpp b/cores/arduino/Tone.cpp
index 3b30cf4e2..b47a1a278 100644
--- a/cores/arduino/Tone.cpp
+++ b/cores/arduino/Tone.cpp
@@ -195,7 +195,10 @@ void noTone (uint32_t outputPin)
    */
   if(firstTimeRunning)
   {
+    NVIC_DisableIRQ(TONE_TC_IRQn);
     resetTC(TONE_TC);
+    NVIC_EnableIRQ(TONE_TC_IRQn);
+
     digitalWrite(outputPin, LOW);
     toneIsActive = false;
   }