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usb programming?

hi:
 i want access to usb from delphi,i want use it for dc motor controller .
any one can help me, please write a sample program an introduce usefull  topic.
befor it, i use rs232 for controll but now i want to controll a dc motor via USB.
sincerely
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robert_marquardt

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hmm... some of the other experts should start learning about USB programming huh robert? that way you won't be the only one getting all the points? ;)
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robert_marquardt

DragonSlayer, do you fear that i overtake you in the Top 10? ;-)

Seriously, USB is a rather small field of knowledge. At least on application level.
The HID subclass of USB is completely explored by my HID component, so there is not much room for another expert.
The rest of USB has almost no API at all. It is mainly done through CreateFile, ReadFile, WriteFile and DeviceIoControl.
USB driver development is only possible with MS VC++ so no Delphi experts in that area.
since when am I in the top10? i still have a long long way to go, my friend :)
Oops, i have the top 15 list configured to show "this year". There you are on 7 and i am on 8.
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