long Ping::getDistance() {//inches
long time = getDuration();
if(units == INCHES) {
time = microsecondsToInches(time);
} else {
time = microsecondsToCentimeters(time);
}
return time;
}
void loop() {
// establish variables for duration of the ping,
// and the distance result in inches and centimeters:
long duration, inches, cm;
// The PING))) is triggered by a HIGH pulse of 2 or more microseconds.
// Give a short LOW pulse beforehand to ensure a clean HIGH pulse:
pinMode(pingPin, OUTPUT);
digitalWrite(pingPin, LOW);
delayMicroseconds(2);
digitalWrite(pingPin, HIGH);
delayMicroseconds(10);
digitalWrite(pingPin, LOW);
// The same pin is used to read the signal from the PING))): a HIGH
// pulse whose duration is the time (in microseconds) from the sending
// of the ping to the reception of its echo off of an object.
pinMode(inPin, INPUT);
duration = pulseIn(inPin, HIGH);
// convert the time into a distance
inches = microsecondsToInches(duration);
cm = microsecondsToCentimeters(duration);
Serial.println(cm, DEC);
if (cm < 3) {
// play the note corresponding to this sensor:
tone(8, notes[4], 30);
}
if ((cm >= 3) && (cm <= 9)) {
// play the note corresponding to this sensor:
tone(8, notes[0], 30);
}
if ((cm >= 10) && (cm <= 19)) {
// play the note corresponding to this sensor:
tone(8, notes[1], 30);
}
if ((cm >= 20) && (cm <= 29)) {
// play the note corresponding to this sensor:
tone(8, notes[2], 30);
}
if ((cm >= 30) && (cm <= 49)) {
// play the note corresponding to this sensor:
tone(8, notes[3], 30);
}
delay(100);
}
long Sonar::getInchesSampled(long samples) {
return microsecondsToInches(this->getRawSampled(samples));
}
long Sonar::getInches() {
return microsecondsToInches(this->getRaw());
}
