Driver V4.0
Jean-Michel Merliot
jm.merliot@wanadoo.fr
Fri, 12 Nov 1999 20:38:40 +0100 (CET)
On 12-Nov-99 Peter Pregler wrote:
>
> On 12-Nov-99 Jean-Michel Merliot wrote:
>> Hi,
>>
>> I tried the driver v4.0.
>>
>> I just added the stuff to make it on my SPM system.
>>
>> Compiles nicely, installs nicely, but I got an I/O error when I
>> try to open
>> /dev/video with the built-in gqcam ;-(.
>>
>> In fact, the same problem than Bas has.
>
> Please have a look /proc/cpia/cam0 and mail us the content. IIRC it is
> populated right after the first open. Also any kernel-syslog messages are
> a must for any help. One thing, did you use the ./loadpp script to load
> the modules of kernel-patch? If not (i.e. you do insmod by hand), keep in
> mind that you have to load cpia.o _and_ cpia_pp.o (and in that order).
>
I loaded them by hand, cpia then cpia_pp
read-only
-----------------------
CPIA Version: 1.2 (1.0)
CPIA PnP-ID: 0553:0001:0100
VP-Version: 0.0 0000
system_state: 0x2
grab_state: 0x0
stream_state: 0x0
fatal_error: 0x20
cmd_error: 0x60
debug_flags: 0x0
vp_status: 0x10
error_code: 0x62
video_size: CIF
sub_sample: 422
yuv_order: YUYV
roi: (0, 0) to (352, 288)
actual_fps: 0
read-write
-----------------------
colour_params: 50 50 50
exposure: 0x2 0x2 0x1 0x1 0x0 0x0 0xb9 0x0 0xdc 0xd6 0xd6 0xe6
color_balance: 0x2 0x20 0x6 0x5c
sensor_fps: 15.0
apcor: 0x1c 0x1a 0x2d 0x2a
flicker_control: 0x0 0x0 0x0
vl_offset: 0x18 0x1c 0x1e 0x1e
stream_start_line: 240
compression_mode: none
compression_target: quality 7 10
yuv_threshold: 15 15
compression_params: 0x3 0xb 0x1 0x3 0x2 0x5 0x3 0x2
ecp_timing: normal
>> Driver v3.1 worked well afer reading the mailing list and
>> remembering my PC was dual CPU ;-).
>>
>> If any test needed, I can help...
>
> That is nice to hear. It means that the basic v4l with the read-mehtod
> seems to work with SMP. BUT :) take care with any v4l-application that does
> use the mmap to get the data from the driver. It will definitly kill your
> machine right now. I will try to fix mmap-stuff over the weekend, i.e.
> consider mmap as broken for now.
>
> -Peter
>
>
> -------------------------------
> Email: Peter.Pregler@risc.uni-linz.ac.at
> WWW: http://www.risc.uni-linz.ac.at/people/ppregler
E-Mail: Jean-Michel Merliot <jm.merliot@wanadoo.fr>
Linux and Blue Oyster Cult Fan
Deadly Opponent To microsoft
Misconception Of Computing Art...
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