how to use IMX219 Camera

[serial115200 0]

HI guys

I'm now connecting the IMX219 camera to tinker board 2s board.

accounting to /boot/config.txt info, i modify the overlay line  to overlay=CSI0-IMX219， and try to do test。

#
# There are two display controller, VOPB and VOPL.
# The default state is VOPB connet to HDMI, VOPL to DP/mipi-dsi panel.
# If you want to change VOPB to DP, please modify the overlay as following:
#       overlay=DP_VOPB
# If you want to change VOPL to HDMI, please modify the overlay as following:
#       overlay=HDMI_VOPL
#
# There are two CSI interface for camera, CSI0 and CSI1. CSI1 can switch to DSI1 for connecting mipi-dsi panel.
# The default state is OV5647 connect CSI0, IMX219 connect CSI1.
# If you want to change OV5647 connect CSI1, please modify the overlay as following:
#       overlay=CSI1-OV5647
# If you want to change IMX219 connect CSI0, please modify the overlay as following:
#       overlay=CSI0-IMX219
# If you want to connect two mipi-dsi panel, you need switch CSI1 to DSI1, please modify the overlay as following:
#       overlay=panel-asus-DSI1-overlay
#

overlay=CSI0-IMX219

 

ffmpeg -f v4l2 -video_size 1280x720 -i /dev/video0 -frames 1 out.jpg

linaro@linaro-alip:~$ ls -sl /dev/video*
4 -rw-r--r--  1 root root      4 Feb 14  2019 /dev/video-dec0
4 -rw-r--r--  1 root root      4 Feb 14  2019 /dev/video-enc0
0 crw-rw----+ 1 root video 81, 0 Feb 14  2019 /dev/video0
0 crw-rw----+ 1 root video 81, 1 Feb 14  2019 /dev/video1
0 crw-rw----+ 1 root video 81, 2 Feb 14  2019 /dev/video2
0 crw-rw----+ 1 root video 81, 3 Feb 14  2019 /dev/video3
0 crw-rw----+ 1 root video 81, 4 Feb 14  2019 /dev/video4
linaro@linaro-alip:~$ 
linaro@linaro-alip:~$ ffmpeg -f v4l2 -video_size 1280x720 -i /dev/video0 -frames 1 out.jpg
librga:RGA_GET_VERSION:3.02,3.020000 
ctx=0x5584964c90,ctx->rgaFd=3 
Rga built version:7bf9abf 
ffmpeg version 4.1.6-1~deb10u1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --prefix=/usr --extra-version='1~deb10u1' --toolchain=hardened --libdir=/usr/lib/aarch64-linux-gnu --incdir=/usr/include/aarch64-linux-gnu --arch=arm64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --disable-libaom --disable-libmysofa --disable-libvidstab --enable-libdrm --enable-librga --enable-rkmpp --enable-version3 --disable-libopenh264 --disable-vaapi --disable-vdpau --disable-decoder=h264_v4l2m2m --disable-decoder=vp8_v4l2m2m --disable-decoder=mpeg2_v4l2m2m --disable-decoder=mpeg4_v4l2m2m --disable-muxer='ac3,eac3,mlp,truehd' --disable-encoder='ac3_fixed,ac3,mlp,spdif,truehd' --disable-demuxer='ac3,eac3,mlp,truehd,dts,dtshd' --disable-parser='aac,ac3,mlp' --disable-decoder='ac3,eac3,mlp,dolby_e' --enable-shared --disable-doc
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
[video4linux2,v4l2 @ 0x5584980e30] Not a video capture device.
/dev/video0: No such device

 

finally，i am in trouble,and need some help.

I appreciate your kind help in advance.

 

[caspar_sun 1]

u can try this command to find u cam is /dev/video* :

$ v4l2-ctl --list-devices