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请教一个D 12 USB芯片的问题
我按照周立功的固件做了一个USB设备
但是,上位机用bus hound测试的时候,BULK in和interrupt in端点都没有相应,bus hound显示端点直接重启了,单片机里抓到了两个控制端点的中断,哪位大侠指点一下 IN pid有没有发出来? 下面是in操作的时候BUS hound的记录。 Device Phase Data Description Cmd.Phase.Ofs(rep) ------ ----- -------------------------------------------------- ---------------- ------------------ 23.2 DO 31 32 33 34 35 36 37 38 39 123456789 1.1.0 23.2 URB 48 00 ,09 00, 00 00 00 00 00 6a fd 81 20 00 00 00 BULK/INT XFER 1.2.0 Length,function, a4 99 ad 82 02 00 00 00 09 00 00 00 00 00 00 00 1.2.16 58 41 f1 81 00 00 00 00 ff ff ff ff 0d f0 ad de 1.2.32 00 00 00 00 03 00 00 00 00 00 00 00 00 00 00 00 1.2.48 00 00 00 00 00 00 00 00 1.2.64 23.2 URB 48 00 09 00 00 00 01 c0 00 6a fd 81 20 00 00 00 BULK/INT XFER 2.1.0 84 99 ad 82 03 00 00 00 00 00 00 00 00 00 00 00 2.1.16 50 32 9d 81 00 00 00 00 ff ff ff ff 0d f0 ad de 2.1.32 00 00 00 00 03 00 00 00 88 87 2f 81 a0 a5 2f 81 2.1.48 00 00 00 00 00 00 00 00 2.1.64 23.2 URB 18 00 02 00 00 00 00 00 00 6a fd 81 00 00 00 00 ABORT PIPE 3.1.0 84 99 ad 82 00 00 00 00 3.1.16 23.2 RSET 4.1.0 23.2 URB 18 00 1e 00 00 00 00 00 00 6a fd 81 10 00 00 00 RESET PIPE 4.2.0 84 99 ad 82 00 00 00 00 4.2.16 |
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沙发#
发布于:2008-02-27 13:15
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