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Date: Sun, 23 Jun 2013 14:51:00 +0200
From: Hans Petter Selasky <hps@bitfrost.no>
Organization: Bitfrost A/S
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To: Ian FREISLICH <ianf@clue.co.za>
Subject: Re: usb ACM device doesn't work
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On 06/23/13 10:33, Ian FREISLICH wrote:
>   status 0xea1a1 <OPEN|STARTED|CONTROL_XFR|CONTROL_HDR|BDMA_ENABLE|BDMA_SETUP|CURR_DMA_SET|CAN_CANCEL_IMMED|DOING_CALLBACK|0>
> 10:29:19.904434 usbus0.2 SUBM-BULK-EP=00000002,SPD=FULL,NFR=1,SLEN=4,IVAL=0
>   frame[0] WRITE 1 bytes
>   0000  6F -- -- -- -- -- -- --  -- -- -- -- -- -- -- --  |o               |
>   flags 0x9 <FORCE_SHORT_XFER|PIPE_BOF|0>
>   status 0x4a023 <OPEN|TRANSFERRING|STARTED|BDMA_ENABLE|BDMA_SETUP|CAN_CANCEL_IMMED|0>

If you don't get a DONE-BULK-EP=00000002, then the device does not 
receive the data. It is blocking the write. Did you set the correct baud 
rate?

Also, what does usbconfig -d X.Y dump_device_desc dump_curr_config_desc 
say ?

--HPS