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Hello, I'm a french student and I begin my first steps with the EZ USB kit. First, I would like that two endpoints communicate together, for exemple : endpoint 4 OUT and endpoint 7 IN. Could you send me a program which realize this function. Thanks. Anthony. PS: in the tutorial, a program only allows the communication between the endpoint 2 OUT and the endpoint 2 IN.
To the best of my knowledge, you can not talk between two USB slaves. The '51 based EZ-USB is a slave only. Erik
"you can not talk between two USB slaves" Correct - USB is not peer-to-peer; it is stricly master-slave. That's why you can't just connect 2 PCs with a USB crossover cable - you need a special link cable that includes the necessary "bridge" electronics. Note that this is a forum for discussing Keil tools - not USB http://www.keil.com/forum/ For questions about USB, try the developer's forum at http://www.usb.org. And don't forget http://www.keil.com/usb/ Also try http://www.lvr.com/usb.htm
To the best of my knowledge, you can not talk between two USB slaves. The '51 based EZ-USB is a slave only. Correct but this was not the question. He is asking how to comunicate from an out endpoint to an in endpoint not how to connect two usbports. Thomas