Hi all,
I was playing around with some USB gadgets that I'm working on today when my
host exploded with this BUG:
[ 863.013018] usb 1-4: PocketPC PDA converter now attached to ttyUSB0
[ 872.706790] drivers/usb/serial/ipaq.c: ipaq_open - failed doing control urb,
error -32
[ 875.115297]
Hi all,
Over the past few years, handhelds.org has been maintaining a small gadget
inside of its own tree called g_char. g_char was spawned in the days
before g_serial, as a response to the new USB gadget API's replacement of
the old way of doing things (usb_char talking to gadget controller
Here are a few comments, mixed in with your code.
Thanks!
#define DBUFMAX 65536
This is pretty big for a kernel buffer. You ought to be able to
use something smaller.
I agree. I dropped it to 8k, which is a nicer size -- It gives me about
seven YMODEM-1k packets.
It's not clear that these
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Pekka Sarnila wrote:
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| Joshua Wise wrote:
|
|
| Windows feeds us what looks like eight axes: X, Y, Z, Rx, Ry, Rz,
| rglSlider[0], and rglSlider[1]. We map those all right onto X-Plane
| axes. In terms of buttons, windows feeds us four possible POV
, not
limit to 256bytes) when we detect that we're talking to Linux As Bootloader.
thanks
joshua
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Care to make up a patch?
Ah, -ENOPATCH. If I get a chance later tonight I'll do it.
jw
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an official DID in their VID range, but
until then, our VID will be 0x (experimental).
joshua
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, capitals. It must be important; I'll get right on it.
/joshua
Didn't like my answer? Ask a better question next time.
http://www.catb.org/~esr/faqs/smart-questions.html
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Joshua Wise | www.joshuawise.com
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., All Rights Reserved
Oh? News for you. Anything you send by email? Anyone's gonna copy it.
/joshua
(Don't like my response? Send a better question next time, namely, not one
flaming me.)
--- Joshua Wise [EMAIL PROTECTED] wrote:
PS: Please don't top-post. It makes it really difficult
of the archive for usblcd returned nothing, but there were
some hits on linux-usb-devel.
Ah, research in advance is greatly appreciated. :) No trouble at all.
Thanks in advance
-Henry Culver
-Culver Consulting
[EMAIL PROTECTED]
/j
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(even with DMA!), at least on a PXA255.
Aiee, heh...
Anyway, handhelds.org CVS seems to work. Well, except for that, uh, issue
where, uh, OUT packets in bulk just stopped working. But I'll debug that
Soon. :)
- Dave
/joshua
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Quote
with
IPRness.
- Dave
/j
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about USB in it. :)
Anton
/j
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On Monday 20 October 2003 12:14 am, Joshua Wise wrote:
Anyway, handhelds.org CVS seems to work. Well, except for that, uh, issue
where, uh, OUT packets in bulk just stopped working. But I'll debug that
Soon. :)
Correction. They work every other
!
7udc: SETUP 80.06 v0100 i l0012
Enterring IN phase.
GChar_setup: 6
7udc: ep0 queue req c3ffe4e0, len 18 buf c3ed9980
7udc: ep0in 16 bytes 2 left c3ffe4e0
7udc: ep0start IN, 00/00
7udc: irq 00.01
7gchar: setup complete -- 0, 16/18
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(Others on list: Please ignore.)
On Friday 17 October 2003 10:59 am, you wrote:
Joshua Wise wrote:
(Pre-note: I cannot seem to send mail to David privately. If this message
gets through, please fix your mail server :)
Errm, what's the failure
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and the UDC hasn't gotten the full packet yet.)
However: I _have_ been getting half-packets (16 out of 18 bytes), so I will
have to look into that.
/j
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that fixed the prematureness. That's of course a bad hack,
which I would like to avoid. I'll try adding better support for SETUP packets
that come when we're not expecting them. However, now, for whatever reason,
I'm not seeing the set-config. Thoughts?
- Dave
/j
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Joshua Wise
it (or at least not
testing it on all possible hardware configurations, even the most obscure :P)
but I couldn't do it any better :P
- Dave
/j
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from
ttyUSB0
usbserial.c: return_serial
hub.c: USB new device connect on bus1/1/2, assigned device number 31
usb_control/bulk_msg: timeout
usb_control/bulk_msg: timeout
Y no mas (and no more) from the iPAQ.
/j
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Quote | lilo I
a few minutes now, but I don't think that's a
gadget issue. (probably me forgetting to disable some device before jumping
into the kernel.)
- Dave
/j
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notified.)
Thoughts?
/j
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to see get connect/disconnect indications.
Yeah, I hacked that in the hh.org tree to support multiple platforms. (ie
machine_is_)
- Dave
/j
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not the problem I'm seeing - the problem I'm seeing
is that even when the USB cable is manually disconnected and reconnected, my
gadget driver does STILL not detect that it's been connected. Again,
thoughts?
- Dave
/j
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~joshua
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big.
-- Al
Thanks,
~jwise
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compatibility also.
- Dave
~jwise
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++~jwise;
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... :(
We certainly should have a serial gadget.
In progress. Progress is in the handhelds.org CVS repository, as 'char.c'.
- Dave
~joshua
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to provide (basically, something that can be accessed like a serial port on
both sides.)
Thanks!
~joshua
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processor_id
c00c4dd4 cr_alignment
c00086cc do_initcalls
c00d6a34 num_physpages
... the rest is likely irrelevant. there is no backtrace - no frame pointer in
this kernel. code: e3a0220f e3c33b02 e5813004 e580c0dc (e5923040)
And then the old kernel panic: attempted to kill init.
HTH,
Joshua Wise
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after all that gadget debugging... user error. I copied and pasted the lubbock
block of #ifdefs from pxa2xx.h and failed to nuke the LED code. sigh. I can
be an idiot at times.
~joshua
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, is an incredibly stupid thing. Don't do
that.)
But this is getting a little offtopic. **shrugs and begins poking kernel 2.6
with sharp objects**
greg k-h
~joshua
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camera? What does it behave as in Windows? (Have you tested it in Windows?)
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machine overnight.
`joshua
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adequate protection to prevent something
from crashing the system like that...
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Hi all,
I'm not certain if this is the right place to report this, but I am developing
a USB client driver for the iPAQ's opensource bootldr using the ipaq.c host
driver, and have found that if the device is removed while an URB is being
sent, the
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It's not very useful unless you include ksymoops output... can
you get that, and resend along with kernel information (like the
version etc). It'd also be good to have objdump -dr output
for the relevant module, to help track down the problem.
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Hi,
I am writing the USB client code for the handhelds.org iPAQ opensource
bootloader. I have been having problems with getting more than one byte per
packet to the device.
This messages appear in dmesg when the problem happens:
usb-uhci.c:
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*baff!!* Just sent this to myself, not checking the To: field. Good job me. :)
Anyway, here's another little piece:
What does this mean? I am unfamiliar with UHCI internals. Sometimes it's
also status 2.
Er, status 2 only occurs when the
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IOC is Interrupt On Complete. That means something completed.
Ok, but why would the ERROR bit be set? (Is there some way to get it to be
more specific?) I find it interesting that it's completing... On the iPAQ
side, it can only seem to echo the
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