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Mv series camera appnotes 4 rpi (view source)
Revision as of 14:40, 2 November 2022
, 14:40, 2 November 2022→horizontal and vertical flip
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Take MV-MIPI-IMX178M, 3088*2064 as an example.+Take MV-MIPI-IMX178M, 3088*2064 as an example.+
−
===== Set ROI =====
===== Set ROI =====
−<code>v4l2-ctl --set-selection=target=crop,top=0,left=0,width=$WIDTH,height=$HEIGHT</code>
−<code>v4l2-ctl --set-selection=target=crop,top=0,left=0,width=3088,height=2064</code>
+===== Set Framerate =====
+<code>v4l2-ctl --set-ctrl frame_rate=$FPS</code>
===== Frame rate statistics =====
===== Frame rate statistics =====
In streaming mode, the following commands can be used for frame rate statistics.
In streaming mode, the following commands can be used for frame rate statistics.
−<code>v4l2-ctl --set-fmt-video=width=3088,height=2064,pixelformat=GREY --stream-mmap --stream-count=-1 --stream-to=/dev/null</code>
+<code>v4l2-ctl --set-fmt-video=width=$WIDTH,height=$HEIGHT,pixelformat=GREY --stream-mmap --stream-count=-1 --stream-to=/dev/null</code>
===== Save image to file =====
===== Save image to file =====
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==== Trigger mode ====
==== Trigger mode ====
−===== Set ROI =====
+===== Set ROI and Framerate =====
−<code>v4l2-ctl --set-selection=target=crop,top=0,left=0,width=$WIDTH,height=$HEIGHT</code>
−<code>v4l2-ctl --set-selection=target=crop,top=0,left=0,width=3088,height=2064</code>
+<code>v4l2-ctl --set-ctrl frame_rate=$FPS</code>
===== Software trigger mode =====
===== Software trigger mode =====