Parallax Rangefinder output to Parallax 2x16 Serial LCD

Da Code:

My Code:

const int TxPin = 2;

const int pingPin = 7;

#include <SoftwareSerial.h>

SoftwareSerial mySerial = SoftwareSerial(255, TxPin);

void setup() {

  // initialize serial communication:

    

  pinMode(TxPin, OUTPUT);

  digitalWrite(TxPin, HIGH);

  

  mySerial.begin(9600);

  delay(100);

  mySerial.write(12);                 // Clear             

  mySerial.write(17);                 // Turn backlight on

  delay(5);                           // Required delay

  mySerial.print("ShawnRobot 1.0");  // First line

  mySerial.write(13);                 // Form feed

  delay(1000);

  mySerial.print("second line test");   // Second line

  mySerial.write(212);                // Quarter note

  mySerial.write(220);                // A tone

  delay(3000);                        // Wait 3 seconds

  mySerial.write(18);                 // Turn backlight off

  delay(100);

  mySerial.write(12);                 // Clear

}

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(5);

  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(pingPin, INPUT);

  duration = pulseIn(pingPin, HIGH);

  

  // convert the time into a distance

  inches = microsecondsToInches(duration);

  cm = microsecondsToCentimeters(duration);

  

  mySerial.write(12);                 // Clear

  mySerial.write(17);                // Turn backlight on

  mySerial.print(inches);

  mySerial.print("in ");

  mySerial.write(13);

  mySerial.print(cm);

  mySerial.print("cm ");

  mySerial.println();

  

  delay(500);

}

  

long microsecondsToInches(long microseconds)

{

  // According to Parallax's datasheet for the PING))), there are

  // 73.746 microseconds per inch (i.e. sound travels at 1130 feet per

  // second).  This gives the distance travelled by the ping, outbound

  // and return, so we divide by 2 to get the distance of the obstacle.

  // See: http://www.parallax.com/dl/docs/prod/acc/28015-PING-v1.3.pdf

  return microseconds / 74 / 2;

}

long microsecondsToCentimeters(long microseconds)

{

  // The speed of sound is 340 m/s or 29 microseconds per centimeter.

  // The ping travels out and back, so to find the distance of the

  // object we take half of the distance travelled.

  return microseconds / 29 / 2;

}