24 lines
481 B
C
24 lines
481 B
C
#ifndef _TONE_H_
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#define _TONE_H_
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#include "stdint.h"
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#define TONE_MIN_FREQUENCY_HZ 4
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#define TONE_MAX_FREQUENCY_HZ 40000
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/*
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* \brief
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* Start tone on specified pin with frequency in range
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* TONE_MIN_FREQUENCY_HZ...TONE_MAX_FREQUENCY_HZ.
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* If duration = 0, tone won't stop until noTone() has called
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*/
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void tone(uint8_t pin, unsigned int frequency, unsigned long duration = 0);
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/*
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* \brief
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* Stop tone on specified pin
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*/
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void noTone(uint8_t pin);
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#endif /* _TONE_H_ */
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