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Date:      Tue, 15 Dec 2009 10:08:50 +0100
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        freebsd-usb@freebsd.org
Cc:        Daniel O'Connor <doconnor@gsoft.com.au>
Subject:   Re: Re-enumerating a device
Message-ID:  <200912151008.50942.hselasky@c2i.net>
In-Reply-To: <200912151647.53759.doconnor@gsoft.com.au>
References:  <200912151647.53759.doconnor@gsoft.com.au>

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On Tuesday 15 December 2009 07:17:46 Daniel O'Connor wrote:
> [ Please CC me as I'm not on list ]
>
> Hi,
> I have an M-Audio MobilePre, it's a USB audio module which works with
> snd_uadio, however to get it working I need to load the firwmare (via
> DFU).
>
> Unfortunately the only way I can get it to re-enumerate after sending
> the firmware is to unplug it enough to disconnect the data lines (but
> not power) and then reconnect.
>
> I have tried usbconfig reset, power_off/power_on, set_config and set_alt
> but to no avail..
>
> [inchoate 16:46] ~/projects/dfu-util-0.1.snap20090212 >dfu-util -D
> ~/ma004103.bin -t 256 dfu-util - (C) 2007-2008 by OpenMoko Inc.
> This program is Free Software and has ABSOLUTELY NO WARRANTY
>
> Opening USB Device 0x0000:0x0000...
> Claiming USB DFU Runtime Interface...
> Determining device status: state = dfuIDLE, status = 0
> WARNING: Runtime device already in DFU state ?!?
> Found Runtime: [0x0763:0x2804] devnum=0, cfg=0, intf=0, alt=0, name="RAM"
> Claiming USB DFU Interface...
> Setting Alternate Setting ...
> Determining device status: state = dfuIDLE, status = 0
> dfuIDLE, continuing
> Transfer Size = 0x0100
> bytes_per_hash=120
> Starting download: [##################################################]
> finished! state(7) = dfuMANIFEST, status(0) = No error condition is present
> state(2) = dfuIDLE, status(0) = No error condition is present
> Done!
>
> From dmesg..
> ugen0.2: <Unknown> at usbus0
> # Run dfu-util
> ugen0.2: <Unknown> at usbus0 (disconnected)
> # Cause re-enumeratae
> ugen0.2: <M Audio> at usbus0
> uaudio0: <MobilePre> on usbus0
> uaudio0: Play: 48000 Hz, 2 ch, 16-bit S-LE PCM format
> uaudio0: Record: 48000 Hz, 2 ch, 16-bit S-LE PCM format
> uaudio0: No midi sequencer
> pcm1: <USB audio> on uaudio0

Can you show dmesg, when you do:

usbconfig -u 0 -a 2 reset

--HPS




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