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STM32MP157F-DK2 使用体验
This is designed for STM32MP157F-DK2
It costs me almost two years.
FPS
(while true; do export fps=`cat /sys/kernel/debug/dri/0/state | grep fps -m1 | grep -o '[0-9]\+'`; echo display ${fps}fps; sleep 4; done) &- 1
curl
curl http://121.5.149.236/snow.mpg --verbose --output snow.mpg- 1
gstreamer
Internet file
Run After Exit SSH
nohup gst-launch-1.0 playbin uri=http://XX.157.101.63/watch.mp4 &- 1
local file
gst-launch-1.0 playbin uri=file:///home/root/watch.mp4 /* Display in framebuffer (usually a TFT LCD)*/ gst-launch-1.0 filesrc location=/home/root/littleVGL/maria.mpg ! decodebin ! videoconvert ! fbdevsink device=/dev/fb0 #test gst-launch-1.0 -v videotestsrc ! video/x-raw,format=YUY2 ! videoconvert ! autovideosink #playbin or filesrc >> pipe gst-launch-1.0 playbin uri=file:///home/root/Video/sight.mp4 ! decodebin ! videoconvert ! autovideosink gst-launch-1.0 filesrc location=/home/root/Video/sight.mp4 ! decodebin ! videoconvert ! videoscale ! video/x-raw,width=320,height=240,framerate=30/1 ! autovideosink #play online video gst-launch-1.0 uridecodebin uri=http://XX.157.101.63/Watch.mp4 ! videoscale ! video/x-raw,width=800,height=480 ! autovideosink- 1
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ffmpeg
display video information
ffmpeg -i Video/Watch.mp4 w.mpeg ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 9.3.0 (GCC) configuration: --disable-stripping --enable-pic --enable-shared --enable-pthreads --cross-prefix=arm-ostl-linux-gnueabi- --ld=u=neon-vfpv4 -mfloat-abi=hard -mcpu=cortex-a7 --sysroot=/recipe-sysroot' --cc='arm-ostl-linux-gnueabi-gcc -mthumb -mfpu=neon-vfpsroot=/recipe-sysroot' --cxx='arm-ostl-linux-gnueabi-g++ -mthumb -mfpu=neon-vfpv4 -mfloat-abi=hard -mcpu=cortex-a7 --sysroot=/reux --enable-cross-compile --extra-cflags=' -O2 -pipe -g -feliminate-unused-debug-types -fmacro-prefix-map==/usr/src/debug/ffmpegebug/ffmpeg/4.2.2-r0 -fdebug-prefix-map=/recipe-sysroot= -fdebug-prefix-map=/recipe-sysroot-native= -mthumb -mfpu=neon-vfpv4 -mf/recipe-sysroot' --extra-ldflags='-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed' --sysroot=/recipe-sysroot --libdir=/usr/lib --shpeg --disable-mipsdsp --disable-mipsdspr2 --cpu=cortex-a7 --pkg-config=pkg-config --disable-static --enable-alsa --enable-avcodeenable-avformat --enable-avresample --enable-bzlib --disable-libfdk-aac --enable-gpl --disable-libgsm --disable-indev=jack --disibmfx --disable-libmp3lame --disable-openssl --enable-postproc --disable-sdl2 --disable-libspeex --enable-swresample --enable-sw --disable-vdpau --disable-libvpx --enable-libx264 --disable-libx265 --enable-libxcb --enable-outdev=xv --enable-zlib libavutil 56. 31.100 / 56. 31.100 libavcodec 58. 54.100 / 58. 54.100 libavformat 58. 29.100 / 58. 29.100 libavdevice 58. 8.100 / 58. 8.100 libavfilter 7. 57.100 / 7. 57.100 libavresample 4. 0. 0 / 4. 0. 0 libswscale 5. 5.100 / 5. 5.100 libswresample 3. 5.100 / 3. 5.100 libpostproc 55. 5.100 / 55. 5.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Video/Watch.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf58.29.100 Duration: 00:03:02.37, start: 0.000000, bitrate: 714 kb/s Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 800x480 [SAR 16:15 DAR 16:9], 578 kb/s, 29.97 fps, 29.97 Metadata: handler_name : ISO Media file produced by Google Inc. Created on: 01/03/2019. Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default) Metadata: handler_name : ISO Media file produced by Google Inc. Created on: 01/03/2019. Stream mapping: Stream #0:0 -> #0:0 (h264 (native) -> mpeg1video (native)) Stream #0:1 -> #0:1 (aac (native) -> mp2 (native)) Press [q] to stop, [?] for help [mpeg @ 0x60a10] VBV buffer size not set, using default size of 230KB If you want the mpeg file to be compliant to some specification Like DVD, VCD or others, make sure you set the correct buffer size Output #0, mpeg, to 'w.mpeg': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf58.29.100 Stream #0:0(und): Video: mpeg1video, yuv420p, 800x480 [SAR 16:15 DAR 16:9], q=2-31, 200 kb/s, 29.97 fps, 90k tbn, 29.97 tbc Metadata: handler_name : ISO Media file produced by Google Inc. Created on: 01/03/2019. encoder : Lavc58.54.100 mpeg1video Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 Stream #0:1(eng): Audio: mp2, 44100 Hz, stereo, s16, 384 kb/s (default) Metadata: handler_name : ISO Media file produced by Google Inc. Created on: 01/03/2019. encoder : Lavc58.54.100 mp2 frame= 5465 fps= 29 q=31.0 Lsize= 19288kB time=00:03:02.37 bitrate= 866.4kbits/s speed=0.972x video:10562kB audio:8549kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.924291%- 1
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Useful Command
ffmpeg -i norway.mp4 -s 800*480 output.mp4 -q:v 1 /* A different encode for Video contrast to H.264 */ ffmpeg -i radio.mp4 maria.mpeg #LOW Quality but the file is small ffmpeg -i in.mp4 -vcodec libx264 -preset veryslow -threads 2 -s 800*480 -acodec copy out.mp4 #High Quality but the file is large ffmpeg -i now.mp4 -preset ultrafast -s 800*480 Apple.mp4 #crop w:h:x:y ffmpeg -i input.mp4 -vf crop=400:400:10:10 output.mp4 -y- 1
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information
gst-discoverer-1.0 sight.mp4 Analyzing file:///home/root/Video/sight.mp4 Done discovering file:///home/root/Video/sight.mp4 Topology: container: Quicktime audio: MPEG-4 AAC video: H.264 (High Profile) Properties: Duration: 0:00:09.267000000 Seekable: yes Live: no Tags: audio codec: MPEG-4 AAC audio maximum bitrate: 69000 bitrate: 55392 encoder: Lavf58.29.100 container format: ISO MP4/M4A video codec: H.264 / AVC- 1
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gst-inspect-1.0
gst-inspect-1.0 fbdevsink Factory Details: Rank none (0) Long-name fbdev video sink Klass Sink/Video Description Linux framebuffer videosink Author Sean D'Epagnier- 1
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display the fps of mi-pi
cat /sys/kernel/debug/dri/0/state | grep fps -m1- 1
iw
#scan SSID iw dev wlan0 scan | grep SSID #link status iw dev wlan0 link #list dev performance iw dev list #connect SSID without password iw dev wlan0 connect mteaching #connect SSID with password iw dev wlan0 connect mteaching keys d:0:12345678- 1
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connect to wireless network
ifconfig wlan0 up sleep 5 wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf iw dev wlan0 link udhcpc -i wlan0 ping www.baidu.com -c 4 ntpdate ntp1.aliyun.com- 1
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initial wireless network
wpa_passphrase mteaching 12345678 >> /etc/wpa_supplicant.conf- 1
#No Password wpa_passphrase longsys >> /etc/wpa_supplicant.conf- 1
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wpa_supplicant.conf
root@stm32mp1:~# cat /etc/wpa_supplicant.conf ctrl_interface=/var/run/wpa_supplicant ctrl_interface_group=0 update_config=1 network={ key_mgmt=NONE }- 1
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script
download
echo "- - - - Viedo Download - - - -" items=( "arduino.mp4" "done.mp4" "ferrari.mp4" "mac.mp4" "mpu.mp4" "norway.mp4" "sight.mp4" "signal.mp4" "travel.mp4" "watch.mp4" ) for item in ${items[*]} do wget "http://82.157.101.63/${item}" echo "[done]" done- 1
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without certificate
wget https://www.apple.com.cn/105/media/cn/iphone-12/2020/7f5b7de7-9f8c-41eb-bf3b-f294773108e6/anim/hero-purple/large_2x.mp4 --no-check-certificate- 1
play
ehco "- - - Video Player by GStreamer - - -" for item in `ls *.mp4` do echo "Now Play Video -->[${item}]" gst-launch-1.0 playbin uri=file:///home/root/Video/${item} echo -e "- - - End - - -\r\n" done- 1
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scp
transfer file between hosts
scp output.mpeg root@192.168.137.10:/home/root/Video- 1
pscp
#'r' means directory supported, pscp is provided by SSH pscp -r D:\Web\monkey root@120.26.185.144:/var/www/html- 1
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weston
version V1.2.0
#start systemctl start weston #stop systemctl stop weston- 1
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version 3.0.0
systemctl start weston@root.service systemctl stop weston@root.service- 1
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Some Linux Cmd
fbtft
fb-test
fb-test -r sleep 1 fb-test -g sleep 1 fb-test -b sleep 1 fb-test -w- 1
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monitor
cpu temperature
root@stm32mp1:/sys/devices/virtual/thermal/thermal_zone0# cat temp 62866- 1
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package
process
apt-get install nano apt-get install redis apt-get install nginx apt-get install mosquitto mosquitto-clients- 1
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hardware supported by python
apt-get install python3-pip apt-get install libgpiod-python apt-get install python3-smbus apt-get install python3-spidev- 1
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software supported by python
apt-get install python3-dbus apt-get install python3-sqlite3 apt-get install python3-gi- 1
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install package with pip
pip3 install paho-mqtt -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com pip3 install requests -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com pip3 install --user meson export PATH=/home/pi/.local/bin:$PATH alias python="python3" sudo mv /usr/bin/python3 python- 1
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update dtb
make dtbs scp arch/arm/boot/dts/stm32mp157c-dk2.dtb root@192.168.7.1:/boot- 1
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apt
search
apt-cache searsh redis- 1
update
install
apt-get install ntpdate- 1
synchronization
ntpdate ntp1.aliyun.com- 1
add timezone
apt-cache search zone- 1
install timezone
apt-get install tzdata-asia- 1
set timezone
timedatectl set-timezone 'Asia/Shanghai'- 1
Glib
install
sudo apt-get install libglib2.0-dev reference url: https://www.cnblogs.com/alexyuyu/articles/2555216.html https://blog.csdn.net/andylauren/category_6219334.html- 1
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C Build
pkg-config --cflags --libs glib-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -lglib-2.0- 1
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timestamp
millisecond
#include#include int main() { struct timeval start, end; gettimeofday( &start, NULL ); sleep(3); gettimeofday( &end, NULL ); int timeInterval = 1000000 * ( end.tv_sec - start.tv_sec ) + end.tv_usec - start.tv_usec; printf("time: %d us\n", timeInterval); return 0; } - 1
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compression and decompression
#compression zip: zip -q -r GDBus-master.zip GDBus-master tar: tar -cvf file.tar file tar.gz tar -czf file.tar.gz file #decompression *.zip unzip master.zip *.tar tar -xvf file.tar *.tar.gz tar -xzvf file.tar.gz *.tar.bz2 tar xjvf file.tar.bz2 *.tar.Z tar -xZvf file.tar.Z *rar unrar e file.rar- 1
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Shell
echo "We used the Linux shell script mainly for the installation." if [ $EUID != 0 ];then echo "You aren't the root." fi array=(ABCDEF) echo $array echo ${#array[@]} array=(A B C D E F) echo $array echo ${#array[@]} for i in ${array[*]} do echo $i done i=0 sum=0 while(( $i != 10 )) do # let "i++" i=`expr $i + 1` echo $i done i=0 sum=0 while [[ $i != 10 ]] do #let "i++" i=`expr $i + 1` echo $i done echo ******************************- 1
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modetest
root@stm32mp1:~# modetest -M stm Encoders: id crtc type possible crtcs possible clones 34 40 DSI 0x00000001 0x00000002 Connectors: id encoder status name size (mm) modes encoders 35 34 connected DSI-1 52x86 2 34 modes: index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot) #0 480x800 50.00 480 578 610 708 800 815 825 839 29700 flags: nhsync, nvsync; type: preferred, driver #1 480x800 60.00 480 550 582 654 800 815 825 841 33000 flags: nhsync, nvsync; type: driver props: 1 EDID: flags: immutable blob blobs: value: 2 DPMS: flags: enum enums: On=0 Standby=1 Suspend=2 Off=3 value: 0 5 link-status: flags: enum enums: Good=0 Bad=1 value: 0 6 non-desktop: flags: immutable range values: 0 1 value: 0 4 TILE: flags: immutable blob blobs: value: 20 CRTC_ID: flags: object value: 40 CRTCs: id fb pos size 40 0 (0,0) (480x800) #0 480x800 50.00 480 578 610 708 800 815 825 839 29700 flags: nhsync, nvsync; type: preferred, driver props: 22 ACTIVE: flags: range values: 0 1 value: 1 23 MODE_ID: flags: blob blobs: value: 04740000e00142026202c40200002003 2f03390347030000320000000a000000 48000000343830783830300000000000 00000000000000000000000000000000 00000000 19 OUT_FENCE_PTR: flags: range values: 0 18446744073709551615 value: 0 24 VRR_ENABLED: flags: range values: 0 1 value: 0 31 BACKGROUND_COLOR: flags: range values: 0 18446744073709551615 value: 18446462598732840960 28 GAMMA_LUT: flags: blob blobs: value: 29 GAMMA_LUT_SIZE: flags: immutable range values: 0 4294967295 value: 256 Planes: id crtc fb CRTC x,y x,y gamma size possible crtcs 36 0 0 0,0 0,0 0 0x00000001 formats: AR24 XR24 RG24 RG16 AR15 XR15 AR12 XR12 C8 props: 8 type: flags: immutable enum enums: Overlay=0 Primary=1 Cursor=2 value: 1 17 FB_ID: flags: object value: 0 18 IN_FENCE_FD: flags: signed range values: -1 2147483647 value: -1 20 CRTC_ID: flags: object value: 0 13 CRTC_X: flags: signed range values: -2147483648 2147483647 value: 0 14 CRTC_Y: flags: signed range values: -2147483648 2147483647 value: 0 15 CRTC_W: flags: range values: 0 2147483647 value: 480 16 CRTC_H: flags: range values: 0 2147483647 value: 800 9 SRC_X: flags: range values: 0 4294967295 value: 0 10 SRC_Y: flags: range values: 0 4294967295 value: 0 11 SRC_W: flags: range values: 0 4294967295 value: 31457280 12 SRC_H: flags: range values: 0 4294967295 value: 52428800 30 IN_FORMATS: flags: immutable blob blobs: value: 01000000000000000900000018000000 01000000400000004152323458523234 52473234524731364152313558523135 41523132585231324338202000000000 ff010000000000000000000000000000 0000000000000000 in_formats blob decoded: AR24: LINEAR XR24: LINEAR RG24: LINEAR RG16: LINEAR AR15: LINEAR XR15: LINEAR AR12: LINEAR XR12: LINEAR C8 : LINEAR 38 alpha: flags: range values: 0 65535 value: 65535 39 zpos: flags: immutable range values: 0 0 value: 0 41 0 0 0,0 0,0 0 0x00000001 formats: AR24 RG24 RG16 AR15 AR12 C8 props: 8 type: flags: immutable enum enums: Overlay=0 Primary=1 Cursor=2 value: 0 17 FB_ID: flags: object value: 0 18 IN_FENCE_FD: flags: signed range values: -1 2147483647 value: -1 20 CRTC_ID: flags: object value: 0 13 CRTC_X: flags: signed range values: -2147483648 2147483647 value: 0 14 CRTC_Y: flags: signed range values: -2147483648 2147483647 value: 0 15 CRTC_W: flags: range values: 0 2147483647 value: 0 16 CRTC_H: flags: range values: 0 2147483647 value: 0 9 SRC_X: flags: range values: 0 4294967295 value: 0 10 SRC_Y: flags: range values: 0 4294967295 value: 0 11 SRC_W: flags: range values: 0 4294967295 value: 0 12 SRC_H: flags: range values: 0 4294967295 value: 0 30 IN_FORMATS: flags: immutable blob blobs: value: 01000000000000000600000018000000 01000000300000004152323452473234 52473136415231354152313243382020 3f000000000000000000000000000000 0000000000000000 in_formats blob decoded: AR24: LINEAR RG24: LINEAR RG16: LINEAR AR15: LINEAR AR12: LINEAR C8 : LINEAR 43 alpha: flags: range values: 0 65535 value: 65535 44 zpos: flags: immutable range values: 1 1 value: 1- 1
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make some test
#RGB Display root@stm32mp1:~#modetest -s 35@40:480x800@RG24 -M stm setting mode 480x800-50.00Hz@RG24 on connectors 35, crtc 40- 1
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find
#Find files in current directory by name. find . | grep weston.ini #Find special text in the files. find main.c | xargs grep -rin sync- 1
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hexdump
hexdump -C main -s 5672 -n 16- 1
convert
convert m.png -resize 64x gnu.png convert ios.jpg -resize x480 1.jpg convert 1.jpg -crop 480x800+0+28 iOS.jpg identify iOS.jpg- 1
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Thread
show thread(s) in process
ps
ps -T -p PID- 1
top
top -H -p PID- 1
kill a process
ps afx | grep ...- 1
Blue Z Stack
hcitool
Query Information
hcitool leinfo B8:8A:5E:78:7E:1E Requesting information ... Handle: 64 (0x0040) LMP Version: 4.2 (0x8) LMP Subversion: 0x321 Manufacturer: Texas Instruments Inc. (13) Features: 0x19 0x00 0x00 0x00 0x00 0x00 0x00 0x00- 1
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dump
#btmon may be more helpful btmon hcidump --raw -i hci0 -t -X- 1
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How to save logs and open with wireShark
Open the file directly.
whitelist
The relationship between Character ID and Blue Z
In Arduino Code
#define SERVICE_UUID "4FAFC201-1FB5-459E-8FCC-C5C9C331914B" #define CHARACTERISTIC_UUID "BEB5483E-36E1-4688-B7F5-EA07361B26A8"- 1
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In Blue Z
root@stm32mp1:~# hcitool lescan | grep mon 4C:75:25:BB:86:EA mongoose OS root@stm32mp1:~# bluetoothctl Agent registered [CHG] Controller 43:43:A1:12:1F:AC Pairable: yes [bluetooth]# connect 4C:75:25:BB:86:EA Attempting to connect to 4C:75:25:BB:86:EA [CHG] Device 4C:75:25:BB:86:EA Connected: yes [CHG] Device 4C:75:25:BB:86:EA Name: mongoose OS [CHG] Device 4C:75:25:BB:86:EA Alias: mongoose OS Connection successful [CHG] Device 4C:75:25:BB:86:EA UUIDs: 00001800-0000-1000-8000-00805f9b34fb [CHG] Device 4C:75:25:BB:86:EA UUIDs: 00001801-0000-1000-8000-00805f9b34fb [NEW] Primary Service (Handle 0x17c4) /org/bluez/hci0/dev_4C_75_25_BB_86_EA/service0001 00001801-0000-1000-8000-00805f9b34fb Generic Attribute Profile [NEW] Characteristic (Handle 0x179c) /org/bluez/hci0/dev_4C_75_25_BB_86_EA/service0001/char0002 00002a05-0000-1000-8000-00805f9b34fb Service Changed [NEW] Descriptor (Handle 0xb5ac) /org/bluez/hci0/dev_4C_75_25_BB_86_EA/service0001/char0002/desc0004 00002902-0000-1000-8000-00805f9b34fb Client Characteristic Configuration [NEW] Secondary Service (Handle 0x17c4) /org/bluez/hci0/dev_4C_75_25_BB_86_EA/service0028 /* service */ 4fafc201-1fb5-459e-8fcc-c5c9c331914b Vendor specific [NEW] Characteristic (Handle 0x179c) /org/bluez/hci0/dev_4C_75_25_BB_86_EA/service0028/char0029 CHARACTERISTIC_UUID /* characteristic */ beb5483e-36e1-4688-b7f5-ea07361b26a8 Vendor specific [NEW] Descriptor (Handle 0xc2dc) /org/bluez/hci0/dev_4C_75_25_BB_86_EA/service0028/char0029/desc002b 00002902-0000-1000-8000-00805f9b34fb Client Characteristic Configuration [CHG] Device 4C:75:25:BB:86:EA UUIDs: 00001800-0000-1000-8000-00805f9b34fb [CHG] Device 4C:75:25:BB:86:EA UUIDs: 00001801-0000-1000-8000-00805f9b34fb [CHG] Device 4C:75:25:BB:86:EA UUIDs: 4fafc201-1fb5-459e-8fcc-c5c9c331914b [CHG] Device 4C:75:25:BB:86:EA ServicesResolved: yes [mongoose OS]#- 1
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CAN Bus
Link layer
ip addr #what's dbitrate and fd? ip link set can0 type can bitrate 500000 ip link set can0 up type can bitrate 1000000 dbitrate 2000000 fd on ip -details link show can0 ip link set can0 up ip -details link show can0 ifconfig- 1
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DTS
SPI
&spi5 { cs-gpios = <&gpiof 6 0>; status = "okay"; spidev@0{ compatible = "spidev"; reg = <0>; spi-max-frequency = <100000000>; }; };- 1
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mcp2515
&spi5 { cs-gpios = <&gpiof 6 0>; status = "okay"; mcp2515@0{ compatible = "microchip,mcp2515"; reg = <0>; spi-max-frequency = <100000000>; }; };- 1
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PWM
/sys/class/pwm- 1
/*ACT*/ pwm1_pins_a: pwm1-0 { pins { pinmux = <STM32_PINMUX('E', 9, AF1)>, /* TIM1_CH1 */ <STM32_PINMUX('E', 11, AF1)>, /* TIM1_CH2 */ <STM32_PINMUX('E', 14, AF1)>; /* TIM1_CH4 */ bias-pull-down; drive-push-pull; slew-rate = <0>; }; }; /*NO ACT*/ pwm1_pins_a: pwm1-0 { pins { pinmux = <STM32_PINMUX('E', 9, AF1)>, /* TIM1_CH1 */ <STM32_PINMUX('D', 15, AF1)>, /* TIM1_CH4 */ bias-pull-down; drive-push-pull; slew-rate = <0>; }; };- 1
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Support for ST7701
panel_otm8009a: panel-otm8009a@0 { compatible = "techstar,ts8550b"; reg = <0>; reset-gpios = <&gpioe 4 GPIO_ACTIVE_LOW>; VCC-supply = <&v3v3>; IOVCC-supply = <&v3v3>; status = "okay"; port { panel_in: endpoint { remote-endpoint = <&dsi_out>; }; }; };- 1
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- 原文地址：https://blog.csdn.net/Cloud_1234_5678/article/details/126872278
