阅读:1174回复:2
为什么同样的驱动,枚举却不能正常的完成???
如下是正常的枚举打应出来的调试信息(在大开发板上)
Request: 80 06 01 00 0000 0040 Request: 00 05 00 01 0000 0000 Request: 80 06 01 00 0000 0012 Request: 80 06 02 00 0000 0009 Request: 80 06 03 00 0000 00ff Request: 80 06 03 03 0409 00ff Request: 80 06 02 00 0000 00ff Request: 80 06 03 00 0000 00ff Request: 80 06 03 02 0409 00ff Request: 80 06 03 00 0000 00ff Request: 80 06 03 02 0409 00ff Request: 80 06 01 00 0000 0012 Request: 80 06 02 00 0000 0009 Request: 80 06 02 00 0000 0020 Request: 80 06 03 00 0000 0002 Request: 80 06 03 00 0000 0004 Request: 80 06 03 03 0409 0002 Request: 80 06 03 03 0409 0026 Request: 00 09 00 01 0000 0000 Request: a1 fe 00 00 0000 0001 //////////////////////////////////// 而在小开发板上则不能完全的枚举 只打应如下信息: Request: 80 06 01 00 0000 0040 Request: 00 05 00 01 0000 0000 Request: 80 06 01 00 0000 0012 Request: 80 06 02 00 0000 0009 Request: 80 06 03 00 0000 00ff Request: 80 06 03 03 0409 00ff Request: 80 06 02 00 0000 00ff Request: 80 06 03 00 0000 00ff Request: 80 06 03 02 0409 00ff Request: 80 06 03 00 0000 00ff Request: 80 06 03 02 0409 00ff ////////////////////////////////////// 不知道为什么?同样的驱动,在不同板子上跑的结果却不同, 而且每次都是如此, |
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沙发#
发布于:2005-06-15 15:30
即使没有把握也可以随便说说,或许这能给我点启发
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板凳#
发布于:2005-06-21 13:39
你这什么上下文都没有,别人怎么回答你啊
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