Base Image

[Howie9600]

Hello. I have been having real problems with making all of this work.

Can anyone who has made it work help with a rough guide.

What base image did you use? What hardware?

I am having real trouble getting everything to work. Can anyone help at all?

[svpcom]

I use NanoPI NEO2 with Armbian stretch, h264 encoding camera and rtl8812 wifi
See installation instructions in the WIKI and px4-devguide

[Howie9600]

i ordered two yesterday and they literally arrived 10 mins ago.

thank you i will try it all again now.

[Howie9600]

i have followed all the instructions and i am getting the current error. Any help would be great

root@nanopineocore2:/# systemctl status wifibroadcast@gs

• [email protected] - WFB profile gs
  Loaded: loaded (/lib/systemd/system/[email protected]; disabled; vendor preset: enabled)
  Active: active (running) since Wed 2019-06-12 14:33:40 UTC; 11ms ago
  Main PID: 3115 (python)
  Tasks: 1 (limit: 4915)
  CGroup: /system.slice/system-wifibroadcast.slice/[email protected]
  `-3115 /usr/bin/python -m telemetry.server gs wlx24050ff7306a

Jun 12 14:33:40 nanopineocore2 systemd[1]: Started WFB profile gs.
root@nanopineocore2:/# systemctl status wifibroadcast@gs

• [email protected] - WFB profile gs
  Loaded: loaded (/lib/systemd/system/[email protected]; disabled; vendor preset: enabled)
  Active: activating (auto-restart) (Result: exit-code) since Wed 2019-06-12 14:33:40 UTC; 37ms ago
  Process: 3115 ExecStart=/usr/bin/python -m telemetry.server gs ${WFB_NICS} (code=exited, status=1/FAILURE)
  Main PID: 3115 (code=exited, status=1/FAILURE)

[svpcom]

journalctl -xu wifibroadcast@gs

[Howie9600]

thank you so much. i got to see the error and now it is working. How did you get the rpi camera to send data through the link? is it ok if i post a basic step by step guide? well its what i did so it may help

[svpcom]

Systemd service file for raspbian

fpv-camera.service:

[Unit]
Description=FPV camera
After=network-online.target

[Service]
ExecStart=/bin/sh -c "raspivid --nopreview --awb auto -ih -t 0 -w 1920 -h 1080 -fps 30 -b 4000000 -g 30 -pf high -o - | gst-launch-1.0 fdsrc ! h264parse !  rtph264pay !  udpsink host=YOUR_WFB_IP_ADDRESS port=YOUR_WFB_PORT"
Type=simple
Restart=always
RestartSec=1s
TimeoutStopSec=10s

[Install]
WantedBy=multi-user.target

[svpcom]

Step-by-step guide will be ok - I'll add it to the wiki

[Howie9600]

i will write it an send it to you.

I had it working and rebooted and am now getting

ImportError: cannot import name IPRoute

i have pyroute2 installed but it still gives this error

[svpcom]

try to install pyroute2-python2 (or something like this).

[svpcom]

python2 -m pydoc pyroute2

[Howie9600]

so i have fixed that error and both tx and rx are running. I try to test and get this error

telemetry.config_parser.ConfigError: 'ascii' codec can't decode byte 0xe2 in position 76: ordinal not in range(128)

is it something i have done wrong?

[svpcom]

Remove non-ascii symbols from config file (for example unicode dash and quotes). Test it with iconv -f ascii -t utf8 /etc/wifibroadcast.cfg

[Howie9600]

it is only while running the wfb_cli test. the code doesnt have the issue normally

[Howie9600]

ok. so that fixed the issue but i am seeing link lost on all three connections. i cant ping 10.5.0.2 or 10.5.0.1.

for the test to work is there anything i am missing? both scripts are stable and the cards have been configure to right channel and power

[svpcom]

Check frequency channel. Try to switch from 5.8 to 2.4 GHz. Upload your config files and logs (from journalctl)

[jeng37]

I use this to build my own. https://github.com/armbian/build/blob/c7a9f59293b29020a0e9ed81ef9c28b230015ac0/README.md Vasily Evseenko <[email protected]> schrieb am Mi., 26. Juni 2019, 12:25:

…

I use https://dl.armbian.com/nanopineo2/Debian_stretch_next.7z but with custom kernel from FriendlyArm: http://wiki.friendlyarm.com/wiki/index.php/Building_U-boot_and_Linux_for_H5/H3/H2%2B Patched drivers for 8812au is here: https://github.com/svpcom/rtl8812au — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#39>, or mute the thread <https://github.com/notifications/unsubscribe-auth/ADCDDP6CQJYJW547DEFVMOLP4M7ZLANCNFSM4HXINW7A> .

[Howie9600]

I have both pi's (all versions) and nanopineocore2

[Tyrrx]

@svpcom
Could you post how to symlink your Kernel and modules binaries and how to rebuild the initramfs, step by step?
I tried it but I dont know where I failed.

[svpcom]

How to install kernel and modules:

cd / && tar xzvf /tmp/linux.tgz
cd /boot
ln -s Image-svpcom Image
ln -s dtb-svpcom dtb
update-initramfs -c -k 4.14.111

[Tyrrx]

@svpcom
Thank you very much.
Do I need to copy /linux/lib/modules to /lib/modules too?

[svpcom]

cd / && tar xzvf /tmp/linux.tgz will extract modules to /lib/modules automatically

[Tyrrx]

@svpcom
I did ln -sf ..... becuase these symlinks already exist.
At the moment the neo2 doesn't boot and the green led flashes twice each secound. red one is off.
Is there something I need to do before I update the initramfs like deleteing the old one or something like that? Or does "update-initramfs -c -k 4.14.111" automaticly overwrites the old one?

[svpcom]

It should overwrite. You need to connect USB-UART to NEO2 serial console to debug

[Tyrrx]

@svpcom
Inside /boot/ there are two old files:
System.map-4.19.59-sunxi64 and config-4.19.59-sunxi64 but not for the new kernel.
Could that be the problem and where do I get them?

[svpcom]

You need to mount boot partition into /boot (it depends on image, some images have separate boot partition and other single partition for boot and root)

[Tyrrx]

@svpcom
I am using the armbian Image.

[svpcom]

What is on serial console during boot?

[Tyrrx]

@svpcom
I dont have a Uart Adapter right now but I will tell you as soon as possible.

[Tyrrx]

@svpcom
I finally soldered a serial connector. This is the result i got:
https://pastebin.com/Vc1s8wuJ

[svpcom]

Loading Environment from EXT4... ** File not found /boot/boot.env **

it seems that your u-boot environment in /boot directory is corrupted