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-rw-r--r--cores/arduino/Tone.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/cores/arduino/Tone.cpp b/cores/arduino/Tone.cpp
index 7216219..1bfb3e3 100644
--- a/cores/arduino/Tone.cpp
+++ b/cores/arduino/Tone.cpp
@@ -209,7 +209,7 @@ static int8_t toneBegin(uint8_t _pin)
#if defined(WGM42)
bitWrite(TCCR4B, WGM42, 1);
#elif defined(CS43)
- #warning this may not be correct
+ // TODO this may not be correct
// atmega32u4
bitWrite(TCCR4B, CS43, 1);
#endif
@@ -485,6 +485,7 @@ void noTone(uint8_t _pin)
if (tone_pins[i] == _pin) {
_timer = pgm_read_byte(tone_pin_to_timer_PGM + i);
tone_pins[i] = 255;
+ break;
}
}