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58 lines
1.8 KiB
58 lines
1.8 KiB
// #include "Arduino.h"
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// class Ultrasonic
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// {
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// public:
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// Ultrasonic(int pin);
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// void DistanceMeasure(void);
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// double microsecondsToCentimeters(void);
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// double microsecondsToInches(void);
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// private:
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// int this_pin;//pin number of Arduino that is connected with SIG pin of Ultrasonic Ranger.
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// long duration;// the Pulse time received;
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// };
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// Ultrasonic::Ultrasonic(int pin)
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// {
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// this_pin = pin;
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// }
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// /*Begin the detection and get the pulse back signal*/
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// void Ultrasonic::DistanceMeasure(void)
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// {
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// pinMode(this_pin, OUTPUT);
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// digitalWrite(this_pin, LOW);
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// delayMicroseconds(2);
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// digitalWrite(this_pin, HIGH);
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// delayMicroseconds(5);
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// digitalWrite(this_pin,LOW);
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// pinMode(this_pin,INPUT);
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// duration = pulseIn(this_pin,HIGH);
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// }
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// /*The measured distance from the range 0 to 400 Centimeters*/
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// double Ultrasonic::microsecondsToCentimeters(void)
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// {
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// return duration/29.0/2.0;
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// }
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// /*The measured distance from the range 0 to 157 Inches*/
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// double Ultrasonic::microsecondsToInches(void)
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// {
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// return duration/74.0/2.0;
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// }
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// Ultrasonic ultrasonic(2);
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// void setup()
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// {
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// Serial.begin(9600);
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// }
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// void loop()
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// {
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// double RangeInInches;
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// double RangeInCentimeters;
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// ultrasonic.DistanceMeasure();// get the current signal time;
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// RangeInInches = ultrasonic.microsecondsToInches();//convert the time to inches;
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// RangeInCentimeters = ultrasonic.microsecondsToCentimeters();//convert the time to centimeters
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// Serial.println("The distance to obstacles in front is: ");
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// Serial.print(RangeInInches);//0~157 inches
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// Serial.println(" inch");
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// Serial.print(RangeInCentimeters);//0~400cm
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// Serial.println(" cm");
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// delay(1000);
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// }
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