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<blockquote data-quote="and-81" data-source="post: 209465" data-attributes="member: 11844">ahh, ok.I had the same trouble you are having for a long time before I figured out what I was doing wrong...You can't access the device in Vista the same way you did in XP. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown&nbsp; &nbsp; :(" loading="lazy" data-shortname=":(" />If you get a USB sniffer program and watch how Vista Media Center does it you will find it using a lot of Device IO Control calls.You use createfile to access the usbcir driver, but you can't just read out the incoming IR RLC data.&nbsp; You now use DeviceIOControl calls to do that.Do you have any of the publicly available WinHEC documents Microsoft released?&nbsp; There is some good info in them.&nbsp; But use a USB sniffer to trace all the calls Vista Media Center makes.&nbsp; I made a lot of progress once I started doing that.<a href="http://www.microsoft.com/whdc/system/platform/mediacenter/default.mspx" target="_blank">http://www.microsoft.com/whdc/system/platform/mediacenter/default.mspx</a>I can give you a copy of the source code I've written, but it is Open Source and published under the terms of the GPL licence.&nbsp; Which means that if you use it you have to release the source code back to the public.I've got a problem at the moment though, my code doesn't work with Vista x64 properly yet.I've also got source code to interpret the RLC data.&nbsp; NEC is one of the protocols I support but is not 100% correct.What programming language are you writing your code in ?&nbsp; C++ I assume?Maybe we can both help the other?If you want to supply your source code to me I can try to fix it for you and send it back?&nbsp; That would get around the GPL license if that is a problem for you?Or I can send you my source code and you can give back any changes or improvements you make?If you want to negotiate an arrangement then contact me through the Private Message system on this forum and we can talk more there.Cheers,</blockquote>

[QUOTE="and-81, post: 209465, member: 11844"] ahh, ok. I had the same trouble you are having for a long time before I figured out what I was doing wrong... You can't access the device in Vista the same way you did in XP. :( If you get a USB sniffer program and watch how Vista Media Center does it you will find it using a lot of Device IO Control calls. You use createfile to access the usbcir driver, but you can't just read out the incoming IR RLC data. You now use DeviceIOControl calls to do that. Do you have any of the publicly available WinHEC documents Microsoft released? There is some good info in them. But use a USB sniffer to trace all the calls Vista Media Center makes. I made a lot of progress once I started doing that. [url]http://www.microsoft.com/whdc/system/platform/mediacenter/default.mspx[/url] I can give you a copy of the source code I've written, but it is Open Source and published under the terms of the GPL licence. Which means that if you use it you have to release the source code back to the public. I've got a problem at the moment though, my code doesn't work with Vista x64 properly yet. I've also got source code to interpret the RLC data. NEC is one of the protocols I support but is not 100% correct. What programming language are you writing your code in ? C++ I assume? Maybe we can both help the other? If you want to supply your source code to me I can try to fix it for you and send it back? That would get around the GPL license if that is a problem for you? Or I can send you my source code and you can give back any changes or improvements you make? If you want to negotiate an arrangement then contact me through the Private Message system on this forum and we can talk more there. Cheers, [/QUOTE]

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