Difference between revisions of "Working with raw image data"
From ElphelWiki
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(→Previewing) |
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'''cat /dev/image_raw2 > /tmp/test.raw'''</font> | '''cat /dev/image_raw2 > /tmp/test.raw'''</font> | ||
− | == | + | ==Displaying== |
Revision as of 11:53, 12 January 2018
Downloading
- Available options (channels can be 0..3):
# set receiving buffer size in 4kB pages (thus 4096 equals to 16MB) echo {size} > /sys/devices/soc0/elphel393-mem\@0/buffer_pages_raw_chn2 # start from the N-th frame position in buffer. Currently, 0 or 1 echo 1 > /sys/devices/soc0/elphel393-videomem\@0/video_frame_number # initiate transfer, wait for X-th frame (X - absolute frame number), 0 = no waiting echo X > /sys/devices/soc0/elphel393-videomem\@0/membridge_start2 # copy to file cat /dev/image_raw2 > /tmp/test.raw # see in hex hexdump /tmp/test.raw # copy to PC scp /tmp/test.raw user@address:/path/
- Minimal:
echo 4096 > /sys/devices/soc0/elphel393-mem\@0/buffer_pages_raw_chn2 echo 0 > /sys/devices/soc0/elphel393-videomem\@0/membridge_start2 cat /dev/image_raw2 > /tmp/test.raw