feat: 全量同步 254 个常用的 Arduino 扩展库文件
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arduino-libs/arduino-cli/libraries/NewTone/src/NewTone.cpp
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20
arduino-libs/arduino-cli/libraries/NewTone/src/NewTone.cpp
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#include "NewTone.h"
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void NewTone(int tonePin, int frequency, int duration)
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{
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float period = 1000000.0 /frequency;
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float pulse = period / 2.0;
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for (int i=1; i<=((duration * 1000.0)/period);i=i+1)
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{
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pinMode(tonePin, OUTPUT);
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digitalWrite(tonePin,HIGH);
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delayMicroseconds(pulse);
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pinMode(tonePin, OUTPUT);
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digitalWrite(tonePin,LOW);
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delayMicroseconds(pulse);
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}
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}
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void NewNoTone(uint8_t tonePin)
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{
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digitalWrite(tonePin,LOW);
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}
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