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Mv series camera appnotes 4 rpi (view source)
Revision as of 16:09, 14 April 2023
, 16:09, 14 April 2023→Configure parameters using v4l2-ctl
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======horizontal and <small>vertical</small> flip======
−*horizontal flip
−<code>v4l2-ctl --set-ctrl horizontal_flip=1</code>
−*<small>vertical flip</small>
−<code>v4l2-ctl --set-ctrl <small>vertical_flip</small>=1</code>
For example：
−
+<code>v4l2-ctl --set-selection=target=crop,top=32,left=64,width=2592,height=1944</code>+The maximum frame rate will be adjusted automatically after setting ROI.+
<code>v4l2-ctl -L</code>
<code>v4l2-ctl -L</code>
−<code><small>User Controls</small></code>
+<code>User Controls</code>
−<code><small> horizontal_flip 0x00980914 (bool) : default=0 value=0</small></code>
+<code> trigger_mode 0x00981901 (int) : min=0 max=2 step=1 default=0 value=0 flags=volatile, execute-on-write</code>
−<code><small> vertical_flip 0x00980915 (bool) : default=0 value=0</small></code>
+<code> trigger_src 0x00981902 (int) : min=0 max=1 step=1 default=1 value=1 flags=volatile, execute-on-write</code>
−<code><small> trigger_mode 0x00981901 (int) : min=0 max=2 step=1 default=0 value=0 flags=volatile</small></code>
+<code> soft_trgone 0x00981903 (button) : flags=write-only, execute-on-write</code>
−<code><small> trigger_src 0x00981902 (int) : min=0 max=1 step=1 default=1 value=1 flags=volatile</small></code>
+<code> frame_rate 0x00981904 (int) : min=1 max=60 step=1 default=30 value=30 flags=volatile, execute-on-write</code>
−<code><small> soft_trgone 0x00981903 (button) : flags=write-only, execute-on-write</small></code>
+<code> roi_x 0x00981905 (int) : min=0 max=1376 step=8 default=0 value=0</code>
−<code><small> frame_rate 0x00981904 (int) : min=0 max=22 step=1 default=22 value=22 flags=volatile</small></code>
+<code> roi_y 0x00981906 (int) : min=0 max=1024 step=4 default=0 value=0</code>
Parameters can be set and get using the following methods.
Parameters can be set and get using the following methods.
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Each of them is described below:
Each of them is described below:
−======Trigger Mode======
======Trigger Mode======
<code>v4l2-ctl --set-ctrl <small>trigger_mode=[0-2]</small></code>
<code>v4l2-ctl --set-ctrl <small>trigger_mode=[0-2]</small></code>
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====== Set ROI ======
====== Set ROI ======
−* MV-MIPI-IMX178M
+*method 1，use selection
+<code>v4l2-ctl --set-selection=target=crop,top=0,left=0,width=$WIDTH,height=$HEIGHT</code>
−The maximum frame rate will be adjusted automatically after setting ROI.
−* MV-MIPI-SC130M
+*method 2，use user definedroi_x，roi_y and <code>--set-fmt-video</code>
−<code>v4l2-ctl --set-selection=target=crop,top=32,left=64,width=640,height=640</code>
+<code>v4l2-ctl --set-ctrl roi_x=0</code>
−<code>v4l2-ctl --set-ctrl roi_y=0</code>
+<code>v4l2-ctl --set-fmt-video=width=$WIDTH,height=$HEIGHT</code>
==== Video Streaming mode ====
==== Video Streaming mode ====
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=== Document History ===
=== Document History ===
+
+* 2023-04-14
+
+With the new version of the driver, the flip operation has been removed, and a new ROI configuration method has been added.
* 2023-03-29
* 2023-03-29