- NC393 development progress and the future plans
- Reaching 220 MB/s sustained write speed with SATA-2 controller
- A web interface for a simpler and more flexible Linux kernel dynamic debug controlling
- I will not have to learn SystemVerilog
- Tutorial 02: Eclipse-based FPGA development environment for Elphel cameras
Camogmgui - Graphical User Interface for the camogm video to HDD / CF recorder.
Elphel Development Diary
Tried logging in to sandboxcam1.elphel.com (root/pass) via ftp using filezilla and smartftp. No success, connection gets reset during login sequence (maybe some problem with passive mode) Finally worked using WinSCP (Protocol: SCP)
There seems to be some problem with PHP execution on this camera. Need to find out more about it.
Hurray - Restarting lighthttpd helped (cd to /etc/init.d and then ./lighttpd restart)
First test of camogm gui php script was successful. I was able to select codec and write destination. I got the camera to write a 21mb quicktime mov file. Stopping the record was a little difficult as the camera barely responded to requests anymore once the recording started. I was not able to open the written mov file in a player here though. I now that the record only stopped because there was no more free space available on the cameras internal memory which would also explain why the file was corrupted.
--OneArtPlease 14:57, 14 July 2008 (CDT)
Thanks Alexandre for the hint with the disk. There is a 40GB HDD connected to this cam which was not formated or mounted at first. After finding out how this had to be done I mounted it at /var/hdd/. I was finally able to write video files to this space that I could download and watch in quicktime player. lighthttp and httpd now seem very unstable and I need to restart them quite often. When restarting they output some debug info about problems.
Starting a camogm recording gave me these errors now:
Starting recording 1: state->cirbuf_rp=0x0 3: state->cirbuf_rp=0x0 4:lseek(state->fd_circ,CIRCLSEEK_READY,SEEK_END)=0 5: state->cirbuf_rp=0x0 Dropping attempt to start
Please elphel team: what does the above mean?
--OneArtPlease 06:06, 18 July 2008 (CDT)
It probably mean that the compressor was not started. How do you configure the camera before starting the camogm recording ? The best way would be : http://sandboxcam1.elphel.com/camera_demo.php
--Alexandre.Poltorak 01:13, 21 July 2008 (CDT)
Thanks, that was indeed the case. I thought it would be only normal that the compressor was "stopped" when not recording anything.
--OneArtPlease 05:30, 21 July 2008 (CDT)