Re: [Playerstage-users] new v4l patch and other goodies

[Brad K. <bkr...@et...>]

Hey Paul,

I'll take a look at adding this patch to the Player 2.0 driver in the 
next week or so.

Best regards,

Brad

Paul Osmialowski wrote:

> Hi there!
>
> I have submitted new v4lcapture.c patch (id=1338823, together with Ben 
> Groholsky's munmap patch which disappeared at some time).
> The problem was with USB camera "ID 0553:0002 STMicroelectronics 
> Imaging Division (VLSI Vision) CPiA WebCam". Player was exiting on 
> VIDIOCGFBUF ioctl error. Fortunately, this error does not have much 
> impact on whole player process stability, so it can be safely ignored. 
> Finally, this webcam works fine for me. Sample configuration file:
> driver
> (
>     name "camerav4l"
>     provides ["camera:0"]
>     port "/dev/video0"
>     source 0
>     mode "RGB24"
>     size [176 144]
> )
>
> Current player tarball with my patches is available here: 
> http://king.net.pl/playercontrib/my_patches/player-1.6.5-patched-20051026.tar.bz2 
>
> I have also provided my own gentoo ebuilds there: 
> http://king.net.pl/playercontrib/my_patches/psg-portage-20051026.tar.gz
> they're based on those I have found on this forum recently. My changes 
> are:
> - gazebo-0.5.2 with lib3ds dependency
> - player-1.6.5 with my patches and more dependencies and USE flags
> - opencv-cvs with python dependency
>
> Last new thing I have published is power monitor for pioneer (and any 
> other devices that uses batteries). When power is too low it runs 
> shell command (by default halts computer). It's called lowpower:
> http://king.net.pl/playercontrib/lowpower
> It runs in infinite loop. When connection with player server is down, 
> it constantly tries to reconnect after few seconds.
> On our P2DX we're starting it in /etc/rc.d/rc.local three seconds 
> after player is started:
>
> echo ":time"
> ntpdate ntp.task.gda.pl
> echo ":player"
> /root/bin/player.sh &
> sleep 3
> echo ":lowpower"
> /root/bin/lowpower 127.0.0.1 6665 0 10.9 "date >>/root/powerdown.log; 
> shutdown -h now" &
> echo ":FINISH:"
> sleep 7
>
> [root@crusoe ~]# cat /root/bin/player.sh
> #!/bin/sh
> while test 0 = 0
> do
>     echo "Starting player"
>     cd /root
>     /usr/local/bin/player pioneer.cfg
> done
>
> Cheers,
> Paul
>
>
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