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| 1. Edit /boot/config.txt (sudo permission required).
| | Please refer to [[X1300 Software]] |
| : sudo nano /boot/config.txt
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| :Add the following content:
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| : dtoverlay=tc358743
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| | |
| :If your modules [[C790]] support audio, add the following content to enable audio support. If you use [[C779]], please ignore this step
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| : dtoverlay=tc358743-audio
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| | |
| : Then reboot the raspberry Pi.
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| | |
| 2. Execute the following command to find the '''media node''' corresponding to the CSI as '''media0''', under the '''rp1-cfe (platform: 1f00128000.csi)''' field:
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| : v4l2-ctl --list-devices
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| <syntaxhighlight lang="python" line highlight="24,33">
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| blikvm@blikvm:~ $ v4l2-ctl --list-devices
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| pispbe (platform:1000880000.pisp_be):
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| /dev/video20
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| /dev/video21
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| /dev/video22
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| /dev/video23
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| /dev/video24
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| /dev/video25
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| /dev/video26
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| /dev/video27
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| /dev/video28
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| /dev/video29
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| /dev/video30
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| /dev/video31
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| /dev/video32
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| /dev/video33
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| /dev/video34
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| /dev/video35
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| /dev/video36
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| /dev/video37
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| /dev/media1
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| /dev/media2
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| rp1-cfe (platform:1f00128000.csi):
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| /dev/video0
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| /dev/video1
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| /dev/video2
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| /dev/video3
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| /dev/video4
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| /dev/video5
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| /dev/video6
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| /dev/video7
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| /dev/media0
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| | |
| rpivid (platform:rpivid):
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| /dev/video19
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| /dev/media3
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| </syntaxhighlight>
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| '''PS''': Please remember '''the media number''' in line 33. The following commands must use the same media number.
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| | |
| 3. Locate the node corresponding to tc358743 as v4l-subdev2, and the pad0 of rp1-cfe-csi2_ch0 as video0:
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| | |
| Note: The '''/dev/media0''' here comes from the media number obtained in the previous step.
| |
| <syntaxhighlight lang="python" line highlight="63-65,85-87">
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| blikvm@blikvm:~ $ media-ctl -d /dev/media0 -p
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| Media controller API version 6.1.63
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| | |
| Media device information
| |
| ------------------------
| |
| driver rp1-cfe
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| model rp1-cfe
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| serial
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| bus info platform:1f00128000.csi
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| hw revision 0x114666
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| driver version 6.1.63
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| | |
| Device topology
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| - entity 1: csi2 (8 pads, 8 links)
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| type V4L2 subdev subtype Unknown flags 0
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| device node name /dev/v4l-subdev0
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| pad0: Sink
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| [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range]
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| <- "tc358743 4-000f":0 [ENABLED,IMMUTABLE]
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| pad1: Sink
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| [fmt:unknown/8192x1 field:none]
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| pad2: Sink
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| [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range]
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| pad3: Sink
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| [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range]
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| pad4: Source
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| [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range]
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| -> "rp1-cfe-csi2_ch0":0 []
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| -> "pisp-fe":0 []
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| pad5: Source
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| [fmt:unknown/8192x1 field:none]
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| -> "rp1-cfe-embedded":0 []
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| pad6: Source
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| [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range]
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| -> "rp1-cfe-csi2_ch2":0 []
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| -> "pisp-fe":0 []
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| pad7: Source
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| [fmt:SRGGB10_1X10/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range]
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| -> "rp1-cfe-csi2_ch3":0 []
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| -> "pisp-fe":0 []
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| - entity 10: pisp-fe (5 pads, 7 links)
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| type V4L2 subdev subtype Unknown flags 0
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| device node name /dev/v4l-subdev1
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| pad0: Sink
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| [fmt:SRGGB16_1X16/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range]
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| <- "csi2":4 []
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| <- "csi2":6 []
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| <- "csi2":7 []
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| pad1: Sink
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| [fmt:FIXED/8192x1 field:none]
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| <- "rp1-cfe-fe_config":0 []
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| pad2: Source
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| [fmt:SRGGB16_1X16/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range]
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| -> "rp1-cfe-fe_image0":0 []
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| pad3: Source
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| [fmt:SRGGB16_1X16/640x480 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range]
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| -> "rp1-cfe-fe_image1":0 []
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| pad4: Source
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| [fmt:FIXED/8192x1 field:none]
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| -> "rp1-cfe-fe_stats":0 []
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| - entity 16: tc358743 4-000f (1 pad, 1 link)
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| type V4L2 subdev subtype Unknown flags 0
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| device node name /dev/v4l-subdev2
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| pad0: Source
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| [fmt:RGB888_1X24/640x480 field:none colorspace:srgb]
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| [dv.caps:BT.656/1120 min:640x350@13000000 max:1920x1200@165000000 stds:CEA-861,DMT,CVT,GTF caps:progressive,reduced-blanking,custom]
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| [dv.detect:BT.656/1120 1920x1080p24 (2750x1125) stds: flags:]
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| [dv.current:BT.656/1120 640x480p59 (800x525) stds:CEA-861,DMT flags:has-cea861-vic]
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| -> "csi2":0 [ENABLED,IMMUTABLE]
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| - entity 18: rp1-cfe-csi2_ch0 (1 pad, 1 link)
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| type Node subtype V4L flags 0
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| device node name /dev/video0
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| pad0: Sink
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| <- "csi2":4 []
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| - entity 22: rp1-cfe-embedded (1 pad, 1 link)
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| type Node subtype V4L flags 0
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| device node name /dev/video1
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| pad0: Sink
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| <- "csi2":5 []
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| - entity 26: rp1-cfe-csi2_ch2 (1 pad, 1 link)
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| type Node subtype V4L flags 0
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| device node name /dev/video2
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| pad0: Sink
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| <- "csi2":6 []
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| - entity 30: rp1-cfe-csi2_ch3 (1 pad, 1 link)
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| type Node subtype V4L flags 0
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| device node name /dev/video3
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| pad0: Sink
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| <- "csi2":7 []
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| | |
| - entity 34: rp1-cfe-fe_image0 (1 pad, 1 link)
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| type Node subtype V4L flags 1
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| device node name /dev/video4
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| pad0: Sink
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| <- "pisp-fe":2 []
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| - entity 38: rp1-cfe-fe_image1 (1 pad, 1 link)
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| type Node subtype V4L flags 0
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| device node name /dev/video5
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| pad0: Sink
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| <- "pisp-fe":3 []
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| - entity 42: rp1-cfe-fe_stats (1 pad, 1 link)
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| type Node subtype V4L flags 0
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| device node name /dev/video6
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| pad0: Sink
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| <- "pisp-fe":4 []
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| | |
| - entity 46: rp1-cfe-fe_config (1 pad, 1 link)
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| type Node subtype V4L flags 0
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| device node name /dev/video7
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| pad0: Source
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| -> "pisp-fe":1 []
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| </syntaxhighlight>
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| | |
| 4. To query the current input source information, if the resolution displays as 0, it indicates that no input source signal has been detected. In this case, you should check the hardware connections and follow the steps mentioned above to troubleshoot.
| |
| : v4l2-ctl -d /dev/v4l-subdev2 --query-dv-timings
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| <syntaxhighlight lang="python" line highlight="2-3,8">
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| blikvm@blikvm:~ $ v4l2-ctl -d /dev/v4l-subdev2 --query-dv-timings
| |
| Active width: 1920
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| Active height: 1080
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| Total width: 2750
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| Total height: 1125
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| Frame format: progressive
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| Polarities: -vsync -hsync
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| Pixelclock: 74250000 Hz (24.00 frames per second)
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| Horizontal frontporch: 0
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| Horizontal sync: 830
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| Horizontal backporch: 0
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| Vertical frontporch: 0
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| Vertical sync: 45
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| Vertical backporch: 0
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| Standards:
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| Flags:
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| </syntaxhighlight>
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| 5. Confirm the current input source information.
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| v4l2-ctl -d /dev/v4l-subdev2 --set-dv-bt-timings query
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| [[File:X1300v1.0-setting5.png]]
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| 6. Initialize media0.
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| media-ctl -d /dev/media0 -r
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| Note: The '''/dev/media0''' here comes from the media number obtained in the '''step 2'''.
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| 7. Connect CSI2's pad4 to rp1-cfe-csi2_ch0's pad0.
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| <pre>media-ctl -d /dev/media0 -l ''\''csi2'\'':4 -> '\''rp1-cfe-csi2_ch0'\'':0 [1]'</pre>
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| 8. Configure the media node.
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| <pre>
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| media-ctl -d /dev/media0 -V ''\''csi2'\'':0 [fmt:RGB888_1X24/1920x1080 field:none colorspace:srgb]'
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| media-ctl -d /dev/media0 -V ''\''csi2'\'':4 [fmt:RGB888_1X24/1920x1080 field:none colorspace:srgb]'
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| </pre>
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| Note: The '''/dev/media0''' here comes from the media number obtained in the '''step 2'''.
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| 9. Set the output format.
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| v4l2-ctl -v width=1920,height=1080,pixelformat=RGB3
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| 10. Capture two frames for testing to verify if tc358743 is functioning properly. Other methods, such as using GStreamer, are not currently available.
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| v4l2-ctl --verbose -d /dev/video0 --set-fmt-video=width=1920,height=1080,pixelformat='RGB3' --stream-mmap=4 --stream-skip=3 --stream-count=2 --stream-to=hdmiin.yuv --stream-poll
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| 11. If you have installed a desktop version of Raspberry Pi, you can use ffplay to directly play YUV files.
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| ffplay -f rawvideo -video_size 1920x1080 -pixel_format bgr24 hdmiin.yuv
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| On a Windows computer, you can use software like 7yuv to view .yuv files. For the tutorial with an input format of 19201080, you should select BGR888 in the top right corner of 7yuv and set the resolution to 19201080 to view the two frames you just captured.
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