22 lines
490 B
C++
22 lines
490 B
C++
#include "Tone32.h"
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void tone(uint8_t pin, unsigned int frequency, unsigned long duration, uint8_t channel)
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{
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if (ledcRead(channel)) {
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log_e("Tone channel %d is already in use", ledcRead(channel));
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return;
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}
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ledcAttachPin(pin, channel);
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ledcWriteTone(channel, frequency);
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if (duration) {
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delay(duration);
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noTone(pin, channel);
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}
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}
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void noTone(uint8_t pin, uint8_t channel)
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{
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ledcDetachPin(pin);
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ledcWrite(channel, 0);
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}
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