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by jhfelectric
Mon May 09, 2016 10:31 am
Forum: General discussion
Topic: PCB Standoff
Replies: 7
Views: 3154

PCB Standoff

Hello, I have been searching all around the web for standoffs or pillars compatible with the (not) mounting holes of the raspberry pi board. The hole diameter being 2.9 mm, a 3 mm standoff will not fit, and smaller diameters seem to be not available. To avoid misunderstanding with the wording, I am ...
by jhfelectric
Fri Oct 25, 2013 5:47 am
Forum: Camera board
Topic: Video4Linux2 driver ready!
Replies: 164
Views: 91453

Re: Video4Linux2 driver ready!

That's strange. The first two lines don't matter. Please run 'sudo rpi-update' in the first place, then run the driver on one terminal with the same command line as before plus the -v 8 and -f options, and run the application on another terminal. Then switch back to the first terminal once you get ...
by jhfelectric
Fri Oct 25, 2013 12:08 am
Forum: Camera board
Topic: Video4Linux2 driver ready!
Replies: 164
Views: 91453

Re: Video4Linux2 driver ready!

I don't see any problems. This is the output: [email protected] ~ $ sudo uv4l --driver raspicam --auto-video_nr --width 800 --height 600 --encoding jpeg --quality 100 --nopreview --sched-rr --exposure verylong --output-buffers 0 <notice> [core] Trying driver 'raspicam' <notice> [driver] Raspicam Video...
by jhfelectric
Thu Oct 24, 2013 7:20 am
Forum: Camera board
Topic: Video4Linux2 driver ready!
Replies: 164
Views: 91453

Re: Video4Linux2 driver ready!

Hi RpiName, SystemError: Cannot open '/dev/video0' : 4, Interrupted system call How can I reproduce the problem exactly? Please give more details. Thx for your quick reply. I have updated the driver following your instructions here : http://www.linux-projects.org/modules/sections/index.php?op=viewa...
by jhfelectric
Thu Oct 24, 2013 2:58 am
Forum: Camera board
Topic: Video4Linux2 driver ready!
Replies: 164
Views: 91453

Re: Video4Linux2 driver ready!

Hi RpiName,
I have just upgraded to v 1.8, but it was all working correctly and now I get

Code: Select all

SystemError: Cannot open '/dev/video0' : 4, Interrupted system call
Any clues ?
Thx for your help
by jhfelectric
Mon Sep 30, 2013 5:40 am
Forum: Camera board
Topic: Video4Linux2 driver ready!
Replies: 164
Views: 91453

Re: Video4Linux2 driver ready!

Hi RpiName, Thx a lot for your hard work on the raspicam driver. For me it works ! About low exposure or black image, I have noticed that the pi cam needed at least 10 seconds to 'warm up' (?). I have created a simple program to test this: imgs = [] for i in range(1,10): imgs.append(cam.get_image())...

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