SH T11-Flash Logger

by Keunyoung Oh

This Flash code makes to a HTTP GET/POST request to a Perl script that reads a mySQL database. It connects a SHT11 temperature and humidity sensor to a mySQL database and to a Flash-based visualization of the resulting data.

Down load fla file(Flash 8)

//perl-flash logger 

//by Kay oh  2005 fall

serverPath = "http://itp.nyu.edu/~[yourID]/cgi-bin";

genVarObj = new LoadVars();

serverScript = serverPath+"/flash_perl1.pl";

genVarObj.load(serverScript);

this.createEmptyMovieClip("line_mc", 1000);

line_mc.lineStyle(5, 0xFF00FF, 100); 

var tempvar = 0;

var id = setInterval(refreshContents, 500);

var myHumid; 

genVarObj.onLoad = function() {

		currentTime = localFormatDateTime(); // Get current time

		textContents.text = "Last Checked: " + currentTime + "\n"; //<--show time

		tempTxt.text = myHumid/10; //<-- show the humidity

		mynewname = "myHumid";  //<-- passed by perl

		myHumid = genVarObj[mynewname];

		_root.test._alpha = 100 - myHumid/7;

		_root.line_mc.moveTo(-5*tempvar, 400);

		_root.line_mc.lineTo(-5*tempvar, 800-myHumid); 

		_root.line_mc._x +=5;

		tempvar++;
}



function refreshContents()
{ 
  genVarObj.load(serverScript);

  _root.genvar.text = genVarObj;


}



// Returns current time in MM/DD/YYYY HH:MM:SS
function localFormatDateTime()
{ // Create general date var for showing current time
  var myDate = new Date();

  // Put current date in MM/DD/YYYY format
  localDate = (myDate.getMonth() + 1) + "/" + myDate.getDate() + "/" + myDate.getFullYear();

  // Get the hours and format
  localHours = myDate.getHours();
  if (length(localHours)<2)
  { localHours = "0"+localHours;
  }

  // Get the minutes and format
  localMins = myDate.getMinutes();
  if (length(localMins)<2)
  { localMins = "0"+localMins;
  }

  // Get the seconds and format
  localSecs = myDate.getSeconds();
  if (length(localSecs)<2)
  { localSecs = "0"+localSecs;
  }

  // Remove date obj we just created to free up memory
  delete myDate;

  // Return the formatted datetime
  return(localDate + " " + localHours + ":" + localMins + ":" + localSecs);
}