feat: 全量同步 254 个常用的 Arduino 扩展库文件

arduino-libs/arduino-cli/libraries/Ultrasonic/src/Ultrasonic.cpp

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+/*
+ * Ultrasonic.cpp
+ *
+ * Library for Ultrasonic Ranging Module in a minimalist way
+ *
+ * created 3 Apr 2014
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 23 Jan 2017
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 04 Mar 2017
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 15 May 2017
+ * by Eliot Lim    (github: @eliotlim)
+ * modified 10 Jun 2018
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 14 Jun 2018
+ * by Otacilio Maia (github: @OtacilioN | linkedIn: in/otacilio)
+ *
+ * Released into the MIT License.
+ */
+
+#if ARDUINO >= 100
+  #include <Arduino.h>
+#else
+  #include <WProgram.h>
+#endif
+
+#include "Ultrasonic.h"
+
+Ultrasonic::Ultrasonic(uint8_t trigPin, uint8_t echoPin, unsigned long timeOut) {
+  trig = trigPin;
+  echo = echoPin;
+  threePins = trig == echo ? true : false;
+  pinMode(trig, OUTPUT);
+  pinMode(echo, INPUT);
+  timeout = timeOut;
+}
+
+unsigned int Ultrasonic::timing() {
+  if (threePins)
+    pinMode(trig, OUTPUT);
+
+  digitalWrite(trig, LOW);
+  delayMicroseconds(2);
+  digitalWrite(trig, HIGH);
+  delayMicroseconds(10);
+  digitalWrite(trig, LOW);
+
+  if (threePins)
+    pinMode(trig, INPUT);
+  
+  previousMicros = micros();
+  while(!digitalRead(echo) && (micros() - previousMicros) <= timeout); // wait for the echo pin HIGH or timeout
+  previousMicros = micros();
+  while(digitalRead(echo)  && (micros() - previousMicros) <= timeout); // wait for the echo pin LOW or timeout
+
+  return micros() - previousMicros; // duration
+}
+
+/*
+ * If the unit of measure is not passed as a parameter,
+ * sby default, it will return the distance in centimeters.
+ * To change the default, replace CM by INC.
+ */
+unsigned int Ultrasonic::read(uint8_t und) {
+  return timing() / und / 2;  //distance by divisor
+}
+
+/*
+ * This method is too verbal, so, it's deprecated.
+ * Use read() instead.
+ */
+unsigned int Ultrasonic::distanceRead(uint8_t und) {
+  return read(und);
+}

arduino-libs/arduino-cli/libraries/Ultrasonic/src/Ultrasonic.h

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+/*
+ * Ultrasonic.h
+ *
+ * Library for Ultrasonic Ranging Module in a minimalist way
+ *
+ * created 3 Apr 2014
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 23 Jan 2017
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 04 Mar 2017
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ * modified 15 May 2017
+ * by Eliot Lim    (github: @eliotlim)
+ * modified 10 Jun 2018
+ * by Erick Simões (github: @ErickSimoes | twitter: @AloErickSimoes)
+ *
+ * Released into the MIT License.
+ */
+
+#ifndef Ultrasonic_h
+#define Ultrasonic_h
+
+/*
+ * Values of divisors
+ */
+#define CM 28
+#define INC 71
+
+class Ultrasonic {
+  public:
+    Ultrasonic(uint8_t sigPin) : Ultrasonic(sigPin, sigPin) {};
+    Ultrasonic(uint8_t trigPin, uint8_t echoPin, unsigned long timeOut = 20000UL);
+    unsigned int read(uint8_t und = CM);
+    unsigned int distanceRead(uint8_t und = CM) __attribute__ ((deprecated ("This method is deprecated, use read() instead.")));
+    void setTimeout(unsigned long timeOut) {timeout = timeOut;}
+
+  private:
+    uint8_t trig;
+    uint8_t echo;
+    boolean threePins = false;
+    unsigned long previousMicros;
+    unsigned long timeout;
+    unsigned int timing();
+};
+
+#endif // Ultrasonic_h