Robotics

This page will soon hold some of my robotics projects.

IR Decode
Below is code for an IR Decoder. More information will be added shortly.
// **************************************
// IR Decoder Program Using Javelin Stamp
// By:Jon Keinath
// www.jonkeinath.com
// jonkeinath@gmail.com
//
// Last Update: 6.20.2005
//***************************************

import stamp.core.*;
public class IRDecode
  {
  // ----------Class Variables----------
  private int start,p1,p2,p3,p4,p5,p6 = 0; //each pulse measurement
  private int value = 0;                   //returned value of button pushed
  private int pin;                         //pin that IR Receier is on
  // ----------Constructors----------
  public IRDecode(int inPin)
    {
    pin = inPin;
    }
  // ----------Methods------------
  public int getValue()
    {
    //If a start pulse is detected it then gathers the following key
    //code and returns it as a decimal number other wise it returns 0
    //(for a tighter loop p6 can be removed if you are not using any
    //"fancy" buttons on the remote.)
    value = 0;                           //make sure value is zero(0)
    start = CPU.pulseIn(6000,pin,false); //check for start pulse
    if (start > 250 && start < 400)      //if start pulse received
      {
      p1 = CPU.pulseIn(200,pin,false);
      p2 = CPU.pulseIn(200,pin,false);
      p3 = CPU.pulseIn(200,pin,false);
      p4 = CPU.pulseIn(200,pin,false);
      p5 = CPU.pulseIn(200,pin,false);
      p6 = CPU.pulseIn(200,pin,false);
      if (p1>100) value=value+1;
      if (p2>100) value=value+2;
      if (p3>100) value=value+4;
      if (p4>100) value=value+8;
      if (p5>100) value=value+16;
      if (p6>100) value=value+32;
      value++;
      }
    return value;
    }
  }