1 - Build the ECPDrvTest project.
2 - Then build the ECPDriver project.
3 - Now copy the 'ECPDriver.sys' file to the \ECPDrvTest\Release folder.
4 - Run ECPDrvTest.exe and test the driver.

For getting more examples of simple drivers, write the following address
in your explorer:

http://easycode.cat/English/Download/ECDrivers.zip
