You can get device drivers already written that allow you to directly=20 access whatever port you want. UserPort comes to mind. Kerry John Ferrell wrote: > Comments embedded. This is one of those times where revealing my=20 > ignorance leads to enlightenment. > > > On 2/24/2012 8:55 AM, Bob Ammerman wrote: > =20 >>> A windows DLL file allows access to a higher security level in the >>> system than programmers are currently accustomed to. >>> =20 >> This is not a true statement. DLL's operate under the security context o= f >> the calling application and have no special privileges. >> =20 > Thank you, I am close to checking this out. I will prepare to be=20 > disappointed, I want direct hardware access > > > > =20 >> If I ever get around to actually doing the DLL route, a Driver would >> seem to be the next step. Not likely by me, too many unknowns. All you >> have to do to get a DLL loaded is to ask nice. >> Drivers are another beast. They are difficult to write but do have the >> ability to do many things that a standared App/DLL cannot do. >> =20 > Ouch! I hope I am up to the task... > > > =20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .