It compiled just fine and ran just fine claiming to have both read and written to a parallel port. I've tried using inpout23 along with some prewritten test program. Working off VC++ 2008, running Windows 7 圆4 with a Core i7 860. Is there any quick and easy way of doing this? Some sample code would be greatly appreciated.Īlso, how many of these USB to parallel ports can I interface with my computer? Am i limited to 3 due to some sort of legacy addressing or can i have as many as my USB and CPU are able to support? One reference even says that it is not possible to interface with a USB to parallel port from a C++ program without some sort of software changes.Īll i want to do is to is be able to read or write 8 bits to the parallel port through a USB to parallel port device on a modern computer running a modern windows OS (with ports being dedicated to reading or writing only). I've done a little research but the information is a bit patchy when it comes to programming to one of these USB to parallel port devices (most of the information is dated and assumes that you have a parallel port built right into the motherboard, something my brand new computer doesn't have). I have a USB to parallel port device that i want to interface with through c++ on a modern windows OS (xp and newer).
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