// WebBrick Javascript API version 1.0
// Amnon Silverstein, Feb 2001
/// Setup variables
// PUT YOUR URL HERE
var WebBrickURL="http://" + myip + ":7070/";
var Attempts = 20; // Number of attempts to reach the WebBrick server
var TryFor_msec = 500; // msec per wait for reply
/// Global variables
var DataImage = new Image();
var Timeout=0;
var Sensor=0;
Queue_Tasks=new Array();
Queue_Active=0;
AlphaCodes="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
///////////////////////////////////
///// WebBrick Helper Functions
///// You probably want to keep these.
function GetNumber(){
return ((DataImage.width-1)+(DataImage.height-1)*256*256);
}
function TryReading(OnReading,OnFailure){
Timeout++;
if (Timeout>Attempts){
Timeout=0;
eval(OnFailure);
ClearQueue(); // Cleans out the queue until the problem can be solved
}
else if (DataImage.complete){
Reading=GetNumber();
Timeout=0;
eval(OnReading);
Queue(); // Runs the next task in the queue
}
else window.setTimeout("TryReading("+Freeze(OnReading)+","+Freeze(OnFailure)+")",TryFor_msec);
}
function AlertFailure(){
// This code runs when the reading fails, by default
// You can increase the number of connect attempts if you like.
}
function Freeze(task){
// Inverse of Eval
// eval(Freeze(foo)) => foo
// Converts a task into a string that can later be evaled
// replace every " with \"
// replace every \ with \\
quote = '"';
slash = '\\';
i=0;
while (i
