Installing TinyPilot on alternate OSes or hardware

[danmed]

I believe the Micro USB port on the Odroid C2 is OTG... so do you think it would work?

[mtlynch]

It's possible. I don't have one on hand to check, but I'd welcome reports from anyone who does.

Summary

The big blocker is support for the usb-gadget-hid in the kernel, which Raspberry Pi OS has natively, but it's hard to enable on other boards.

Board	OS	Status
Raspberry Pi 4B	Ubuntu 20.04 LTS 32-bit	Works with the standard installer
LibreComputer Tritium H5	Armbian_21.02.1_Tritium-h5_buster_current_5.10.12	TinyPilot on LibreComputer Tritium
up squared	Ubuntu 18.04	confirmed working, required manual work to adapt the install script for Ubuntu
ODroid C1+/C2/C4	ubuntu-18.04.3-3.16-minimal-odroid	Probably won't work because the latest official ODroid builds are on v3.16 of the Linux Filesystem, and TinyPilot depends on configfs-usb-gadget-hid, which was added in 3.19.
ODroid C1+/C2/C4	ubuntu-20.04-3.16-minimal-odroid	Same as above.
ODroid C1+/C2/C4	DietPi 6.31.2	Still on the 3.16.85 kernel, so similar reason to above.
ODroid C1+/C2/C4	Armbian_20.05.2_Odroidc2_buster_current_5.6.15	This seems close to working, but it fails to create the /dev/hidg0 file
ODroid C2	ArchLinuxARM	This article claims to demonstrate it, but I tried those exact steps, and it failed. It's worth noting that they used a different kernel version than currently ships with ArchLinuxARM.
Banana Pi M2+	2020-04-23-raspbian-stretch-bpi-m2p-sd-emmc	Uses Python 3.5, but TinyPilot requires 3.7+. I even tried recompiling 3.7 from source, but it fails on python3 -m venv venv

[danmed]

It's possible. I don't have one on hand to check, but I'd welcome reports from anyone who does.

I had a good go at it today.. Got debian stretch on an sd card and all updated. I had to make a couple of changes to the quick_install script.. Mainly either side of the ansible install.. Something like +u and -U above and below so that it would install..

But after that, it failed while building wheels.. something like "bdist wheel" as an invalid command...

I;ve not got it powered up at the moment so can't get exact errors.

[mtlynch]

The bdist_wheel is an innocuous error as far as I can tell. It's a bug in Ansible's pip installation, but it seems to continue the install using another method. If it failed, there should be an error further down in the Ansible log.

[danmed]

The bdist_wheel is an innocuous error as far as I can tell. It's a bug in Ansible's pip installation, but it seems to continue the install using another method. If it failed, there should be an error further down in the Ansible log.

Ah, then maybe i shouldn't of quit the install :) I'll try it again tomorrow and get back to you.. hopefully i've ordered the correct hdmi to usb adapter..

https://www.amazon.co.uk/gp/product/B08C7B4DKM/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

I got this one because the one linked from your blog had a months wait time!

[mtlynch]

That's a slightly different one, but all these products are just different packaging on top of the same MacroSilicon MS2109 chip, so it should work exactly the same.

[danmed]

That's a slightly different one, but all these products are just different packaging on top of the same MacroSilicon MS2109 chip, so it should work exactly the same.

So i went back to a fresh debian install and ran through it again..

i had to change a small part of the script :

set +u
. venv/bin/activate
set -u

And this is how it finished :

running install
running build
running build_py
creating build
creating build/lib.linux-aarch64-3.5
creating build/lib.linux-aarch64-3.5/cffi
copying cffi/setuptools_ext.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/vengine_cpy.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/verifier.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/error.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/pkgconfig.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/commontypes.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/cffi_opcode.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/vengine_gen.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/backend_ctypes.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/recompiler.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/__init__.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/cparser.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/model.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/ffiplatform.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/api.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/lock.py -> build/lib.linux-aarch64-3.5/cffi
copying cffi/_cffi_include.h -> build/lib.linux-aarch64-3.5/cffi
copying cffi/parse_c_type.h -> build/lib.linux-aarch64-3.5/cffi
copying cffi/_embedding.h -> build/lib.linux-aarch64-3.5/cffi
copying cffi/_cffi_errors.h -> build/lib.linux-aarch64-3.5/cffi
running build_ext
building '_cffi_backend' extension
creating build/temp.linux-aarch64-3.5
creating build/temp.linux-aarch64-3.5/c
aarch64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-R9trRz/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/ffi -I/usr/include/libffi -I/tmp/tmp.3CkJZ2vPVE/venv/include -I/usr/include/python3.5m -c c/_cffi_backend.c -o build/temp.linux-aarch64-3.5/c/_cffi_backend.o
unable to execute 'aarch64-linux-gnu-gcc': No such file or directory
error: command 'aarch64-linux-gnu-gcc' failed with exit status 1

----------------------------------------
Command "/tmp/tmp.3CkJZ2vPVE/venv/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-3dg9wxx1/cffi/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-piwkymyq-record/install-record.txt --single-version-externally-managed --compile --install-headers /tmp/tmp.3CkJZ2vPVE/venv/include/site/python3.5/cffi" failed with error code 1 in /tmp/pip-build-3dg9wxx1/cffi/

[mtlynch]

Oh, I forgot that ODroid is 64-bit. I haven't tested with aarch64 yet.

@KuroSaru got TinyPilot working on an aarch64 beta of Raspberry Pi OS. They had to manually run sudo apt-get install libffi-dev but that doesn't look like it's your issue.

Would you be able to link to a gist of your full log? I can't tell from the snippet where the failure happened in the process.

[danmed]

Oh, I forgot that ODroid is 64-bit. I haven't tested with aarch64 yet.

@KuroSaru got TinyPilot working on an aarch64 beta of Raspberry Pi OS. They had to manually run sudo apt-get install libffi-dev but that doesn't look like it's your issue.

Would you be able to link to a gist of your full log? I can't tell from the snippet where the failure happened in the process.

I would, but i seem to of corrupted the SD card again.. The power supply i'm using is a bit loose and it seems to have moved and shafted it.. if i get it going again i'll let you know... I may just buy a pi4 though to be honest.

[danmed]

OK, so it's back up.. Here's the gist :

https://gist.github.com/danmed/aeef59f4485c8c6c06a5d67e1ecf9817

[mtlynch]

Thanks! It looks like it's failing while trying to install ansible. I just merged in #88 to let Ansible build with wheel like it's trying to do. It installs fine either way on Raspberry Pi OS 32-bit, but it might make a difference on aarch64.

Can you try running the quick install command again now that I've updated it?

curl -sSL https://raw.githubusercontent.com/tiny-pilot/tinypilot/master/quick-install | bash -

[danmed]

I've just done

sudo apt-get install python3-dev

And it seems to be potentially working.. bear with me.

Edit : I'm still using the old quick_install that i modifed...

Edit again: I think the only error i got is

TASK [mtlynch.tinypilot : enable dwc2 driver in boot config]     ***************************************************************************************************************************************************
fatal: [localhost]: FAILED! => {"changed": false, "msg": "Destination /boot/config.txt does not exist !", "rc": 257}

hitting the IP i get an nginx welcome page though..

[mtlynch]

It looks like you're still pulling the old Ansible role. Can you give the new script a try?

curl -sSL https://raw.githubusercontent.com/mtlynch/tinypilot/install-wheel/quick-install | bash -

It's idempotent, so running it multiple times should be fine.

[danmed]

https://raw.githubusercontent.com/mtlynch/tinypilot/install-wheel/quick-install

Giving it a go now.. added my changes in so it runs for me.

[danmed]

So, it was all going great.. no bdist errors.. then this happened :

https://gist.github.com/mtlynch/4e58cb6a4b5826f75b07b2b04ef12745

im still just getting an nginx welcome page.

I've noticed there's no /opt/tinypilot folder.. which tinypilot.conf seems to be pointing to..

Just a ustreamer folder.

[maintainer edit: moved long output to separate gist]

[mtlynch]

Hmm, I'm not sure what's going on there, but I notice that's Python3.5 whereas I've done all my testing on Python 3.7.3 (which is what ships with RasPi OS).

[sujaybane]

Hi,

I am trying to build a tiny pilot on iMX8M Mini. referring to the git repository of the tiny pilot and google it out but failed to get appropriate link regarding for same. can anyone help me in this case?
what changes should have to do from the given GitHub repository to build or from where I can try this to build it for iMX8M Mini?

I have Linux 5.10.52 LTS build on IMX. also i have build the tiny pilot on my native Ubuntu Lenovo machine which have Ubuntu 20.4 build. by following this link https://github.com/tiny-pilot/tinypilot/blob/master/quick-install able to build for native machine. now tiny-pilot window open it on my web-browser.

want same kind of behaviour For IMX Board and looking into it. if have any information to do share with me.

Thanks.

[spitfire]

I'm trying to get it on Orange Pi One running Armbian 22.05, so far I had to switch to no-pkg-resources branch, install rust-all (#1031). Right now I'm stuck at #1034

[drizzle1]

Hi,

Thanks for sharing this project, great work!!

I installed tinypilot on an Odroid C4. (I had to comment out the 64-bit version of Raspberry Pi OS check in quick-install).

Running Armbian 22.05.3 with Linux 5.10.133. Keyboard, mouse, and video (HDMI dongle) are working fine... untill... after a reboot of the TARGET machine i get this error below. Video will keep working, though, only mouse and keyboard won't. Only a reboot of the odroid HOST with tinypilot will then solve it. Restarting the systemd service doesn't ever solve anything.

Any advice on this?

● tinypilot.service - TinyPilot - RPi-based virtual KVM
Loaded: loaded (/lib/systemd/system/tinypilot.service; enabled; vendor preset: enabled)
Active: active (running) since Fri 2022-07-29 01:12:50 CEST; 5min ago
Main PID: 3830 (python)
Tasks: 1 (limit: 3445)
Memory: 26.3M
CPU: 4.160s
CGroup: /system.slice/tinypilot.service
└─3830 /opt/tinypilot/venv/bin/python app/main.py

Jul 29 01:16:16 odroidc4 python[3933]: Process ProcessWithResult-84:
Jul 29 01:16:16 odroidc4 python[3933]: Traceback (most recent call last):
Jul 29 01:16:16 odroidc4 python[3933]: File "/usr/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
Jul 29 01:16:16 odroidc4 python[3933]: self.run()
Jul 29 01:16:16 odroidc4 python[3933]: File "/opt/tinypilot/app/hid/write.py", line 45, in run
Jul 29 01:16:16 odroidc4 python[3933]: result.return_value = self._target(*self._args, **self._kwargs)
Jul 29 01:16:16 odroidc4 python[3933]: File "/opt/tinypilot/app/hid/write.py", line 65, in _write_to_hid_interface_immediately
Jul 29 01:16:16 odroidc4 python[3933]: hid_handle.write(bytearray(buffer))
Jul 29 01:16:16 odroidc4 python[3933]: BrokenPipeError: [Errno 108] Cannot send after transport endpoint shutdown
Jul 29 01:16:16 odroidc4 python[3830]: 2022-07-29 01:16:16.287 socket_api ERROR [SENSITIVE] Failed to forward mouse event: Failed to write to HID interface: /dev/hidg1. Is USB cable connected? [/SENSITIVE]

odroid@odroidc4:~$ ls /dev/hidg*
/dev/hidg0 /dev/hidg1

[WarheadsSE]

👋 @drizzle1 Hey there.

Base on what you're describing, the message seems to indicate a fault with the OTG HID device within the kernel of the ODROID.

There's a few things that can be happening "in the depths" of that device emulation to result in the above, but I want to point out that you are on kernel 5.10.z as well, which may have some ... let's say hiccups in the OTG. I would start with attempting to update the kernel.

[drizzle1]

Updating to kernel 5.17 seems to have solved it. Thanks!

[yaniv15]

Updating to kernel 5.17 seems to have solved it. Thanks!
Can you please help me installing TinyPilot on odroid-C4? I have the same configuration as yours, but the simple installation setup is failing.

[vorbster]

I spent a couple of days trying to make it work on Jetson Nano dev board. In short: I got everything working except for the keyboard/mouse.

Long story:

1. Python3.7 is required. Install python3.7, python3.7-dev and python3.7-venv. When you're ready to launch quickinstall replace link /usr/bin/python3 with /usr/bin/python3.7 (originally it's python3.6). Additionally ansible playbooks will require apt module, that's why go to /usr/lib/python3/dist-packages and create following symlinks:

apt_inst.cpython-37m-aarch64-linux-gnu.so -> apt_inst.cpython-36m-aarch64-linux-gnu.so
apt_pkg.cpython-37m-aarch64-linux-gnu.so -> apt_pkg.cpython-36m-aarch64-linux-gnu.so

Now run the installation, it should be successful.

2. If you have a second camera device - reconfigure ustreamer to use it and restart the service. In my case my HDMI Video Capture device was /dev/video1. Edit /lib/systemd/system/ustreamer.service and add following line after "--persistent ":
   --device /dev/video1 \

3. At this point web service should work and video to the console running. Keyboard and mouse don't work (micro-USB -> USB-A, also USB-A to USB-A cables). What I tried:

4. Disable NVidia's l4t otg services (nv-l4t-usb-device-mode.service and nv-l4t-usb-device-mode-runtime.service). We don't want competitors.

5. Service usb-gadget.service from worked, created /dev/hidg0 and /dev/hidg1 but nothing was working: "Failed to write to HID interface: /dev/hidg0. Is USB cable connected?"

6. Tried scripts someone used for TX2 (https://forums.developer.nvidia.com/t/micro-b-usb-port-as-a-keyboard-hid-gadget/196807/10) - same issue.

7. Decided to recompile the kernel and rebuild the image. Enabled HID gadget related options/modules - same result. Devices exist but nothing goes through.

On some forums prople say Jetson Nano devkit doesn't support device mode, on others - it does, I don't know what's true, I'm not strong in hardware designs. Weird thing is that I see the device files, I see UDC under /sys, everything should theoretically work but it doesn't. Would be glad if anyone could throw ideas at me because I'm out at this point.

[dsx724]

If you guys need to enable OTG on Le Potato, see https://hub.libre.computer/t/how-to-enter-device-mode-for-usb-otg-on-usb-type-a-port-on-aml-s905x-cc-le-potato/682

OTG should work on all of our boards. If you have trouble getting it to work, posting there and someone will handle it.

[yaniv15]

I tried to install tinypilot on odroid-c4 running armbian 22.05.3 and kernel 5.17, Initially I got an error while trying to install using simple setup
command:
curl
--silent
--show-error
https://raw.githubusercontent.com/tiny-pilot/tinypilot/master/get-tinypilot.sh |
bash - &&
sudo reboot

error:

• grep -q '^Model *: Raspberry Pi 3' /proc/cpuinfo
  ++ lsb_release --release --short
• (( n/a < 11 ))
  ./install: line 51: n: unbound variable

I updated the ./install script present in https://gk.tinypilotkvm.com/community/download/latest
then I ran ./install
everything worked but got a fatal error at 1 ansible task
TASK [ansible-role-ustreamer : add archive apt repository key] **********************************************************************
fatal: [localhost]: FAILED! => {"changed": false, "msg": "Failed to download key at https://ftp-master.debian.org/keys/archive-key-n/a.asc: HTTP Error 404: Not Found"}

looks like the url https://ftp-master.debian.org/keys/archive-key-n/a.asc is dead, any fix for this?

[mtlynch]

The value is coming from here:

https://github.com/tiny-pilot/ansible-role-ustreamer/blob/a0671050ade596d508e2d1e77783eee8015be83c/tasks/install_janus.yml#L24

It looks like ansible_distribution_major_version is resolving to a strange value on your ODroid system. On Raspbian 11, it resolves to 11, so the URL ends up as: https://ftp-master.debian.org/keys/archive-key-11.asc, which is a live URL.

https://ftp-master.debian.org/keys/

[kociubin]

@mtlynch maybe you can point me in the right direction. I tried to install tiny-pilot on Libre Renegade running Armbian_22.11.1_Renegade_bullseye_current_5.15.80.img (64bit Architecture)

I got the otg gadget configured and worked through a lot of the issues as they came up.

But I'm stuck on the final step of the script installing the tinypilot_20230621120605_armhf.deb package. But no matter what I do it keeps complaining that it needs python3-pip:armhf which I can't seem to be able to install. Any ideas?

Here is the error:

TASK [ansible-role-tinypilot : install TinyPilot Debian package] *****************************************************************************************************************fatal: [localhost]: FAILED! => {"changed": false, "msg": "dpkg --force-confdef --force-confold -i /mnt/tinypilot-installer/tinypilot_20230621120605_armhf.deb failed", "stderr": "dpkg: dependency problems prevent configuration of tinypilot:armhf:\n tinypilot:armhf depends on python3-pip.\n\ndpkg: error processing package tinypilot:armhf (--install):\n dependency problems - leaving unconfigured\nErrors were encountered while processing:\n tinypilot:armhf\n", "stderr_lines": ["dpkg: dependency problems prevent configuration of tinypilot:armhf:", " tinypilot:armhf depends on python3-pip.",

[mtlynch]

@kociubin - TinyPilot requires 32-bit ARM, so it's currently not possible to install on 64-bit ARM systems, unfortunately.

[kociubin]

Thanks a lot for getting back to me. I had seen a few indications that people got it to work on 64bit so I thought it was worth a shot. Could I try compiling the package myself? Is that likely to work on 64-bit?

[mtlynch]

We always "officially" required 32-bit, but it used to work on 64-bit anyway. This changed in #1352 as we switched to precompiled binaries to improve performance and reduce microSD wear.

You should be able to revert back to the previous version by cloning the git repo and then doing

git checkout 1.8.3
./dev-scripts/install-from-source

The harder way is to use the current master branch and replace all the spots in the code that say armv7 and armhf with the 64-bit ARM equivalents, then run ./dev-scripts/install-from-source.

[kociubin]

I appreciate the hint.

I got it to work with Libre Renegade on Armbian_22.11.1_Renegade_bullseye_current_5.15.80.img. Everything seems to work fine.

Here are a few things I noticed.
-The USB OTG (A to A) cable must have the power (VCC) line cut otherwise hangs on boot and video doesn't work
-The USB OTG cable must be plugged into the lower USB port (next to the ethernet port)
-I had to checkout tag 1.8.3 and run script /dev-scripts/install-from-source
-dr_mode must be set to OTG (not Peripheral) in the device tree
-Armbian version needs to be bullseye (had lots of dependency issues with newer and older versions)
-Video device is different depending on the kernel. For 5.15.80 it's /dev/video4 (but could be video3 for newer kernels). This needs to be updated in ustreamer_video_path variable in /home/tinypilot/settings.yml

[mtlynch]

Glad to hear you got it working! And thanks for sharing the install steps.

[kociubin]

After testing the Libre Renegade board for a few days, I concluded that its USB gadget implementation is too unreliable for use in production. It works in many cases but with some servers, having the USB-OTG cable plugged in will interfere with boot or will break other functionality.

I decided to return the Libre Renegade.

Instead, I'm currently running TinyPilot on Libre ALL-H3-CC H5. So far, I've not experienced any issues related to the OTG functionality.

[mtlynch]

Glad to hear the ALL-H3-CC H5 is working better. I'm actually surprised it works at all since it doesn't mention support for USB OTG at all in the device specs.

[kociubin]

Yep. OTG works fine on H5. They do reference it in the specs here: LINK. Look in section 5.3 USB-OTG.

[mtlynch]

Ah, gotcha. I was looking at the specs here: https://libre.computer/products/all-h3-cc/

[kociubin]

In case it helps someone, I'm attaching a patch that allows the current master to be built and installed on arm64. No guarantees that this will work on all platforms but may be a good starting point.

LINK_TO_PATCH

We always "officially" required 32-bit, but it used to work on 64-bit anyway. This changed in #1352 as we switched to precompiled binaries to improve performance and reduce microSD wear.

You should be able to revert back to the previous version by cloning the git repo and then doing

git checkout 1.8.3
./dev-scripts/install-from-source

The harder way is to use the current master branch and replace all the spots in the code that say armv7 and armhf with the 64-bit ARM equivalents, then run ./dev-scripts/install-from-source.

[mtlynch]

Thanks! That's helpful.

[AndrewBucklin]

Take a look at this new NanoPC-T6 board and let me know if it could be feasible hardware for this project.

Benefits:

• HDMI input is built-in; no separate external dongle necessary
• Includes dual Ethernet connections, which could be used for Ethernet pass-through (Network wall jack -> TinyPilot device -> Computer); this is useful in scenarios where you ship this device to a remote location and ask the user to connect it to their PC and the user only has a single network connection / network drop
• Plenty of processing power and RAM to support Cloudflare Tunnel, to enable remote connection to TinyPilot without having to open ports in the remote firewall; details here
• Can be ordered with a metal case, which streamlines deployment; Metal case has clear markings on each interface / port
• Support for large M.2 NVMe drives, which is useful for preloading with various operating system ISOs and other bootable hardware diagnostics tools
• Option for built-in Wi-Fi

Here are the full specs of the NanoPC-T6 board.

[mtlynch]

Looks like an interesting board!

Some of the challenges I see:

• Spec doesn't list support for USB OTG / device-mode USB, which TinyPilot needs to emulate USB devices.
  • It mentions that the USB port runs in device mode when configured for ADB, so maybe it's possible, but you'd probably have to tinker to get it working.
• Looks like the supported OSes are ARM64-based, so you'd have to apply a patch similar to @kociubin's to run TinyPilot's software, which is 32-bit ARM by default.
• HDMI in seems like it captures as a normal v4l2-compatible device, so that should be fine.

And to be clear, the only platform we officially support is Raspberry Pi 4B + 32-bit Raspberry Pi OS. We try to give advice for people experimenting with other boards as time allows, but it's not something we guarantee we'll have resources for.

[thecaptain0220]

I just picked up a ALL-H3-CC H5 and I am trying to get this installed. I am running into some issues though. I installed Armbian 23.5 Jammy XFCE. Initially i had a problem with the ramdisk running out of space for some reason during the install. I downloaded the get-tinypilot.sh script and increased the size and was able to move past that issue. Now im running into this.

TASK [ansible-role-ustreamer : add archive apt repository key] ***************** fatal: [localhost]: FAILED! => {"changed": false, "msg": "Failed to download key at https://ftp-master.debian.org/keys/archive-key-22.asc: HTTP Error 404: Not Found"}

Any ideas?

[mtlynch]

It's trying to install the Janus Debian package, but it's failing because it looks like Armbian's major distro version is 22, but TinyPilot is expecting a Debian version between 10 and 12.

You'd need to figure out a way to install the Janus WebRTC server on Armbian 23.5.

If you're tinkering with the install flow, your better bet is to clone a copy of the TinyPilot repo and then use `./dev-scripts/install-from-source to install with your modifications.

[kociubin]

Try Armbian_22.11.1. I was able to install TinyPilot on it using the patch I linked earlier.

[thecaptain0220]

Thanks for the responses. I found this guide and was able to get it installed. The issue im currently having is that I just get the nginx welcome page. Im guessing I have the incorrect nginx config, although im not sure why.

[dsx724]

Hi Guys! I'm the PM for Libre Computer and all of our boards should support USB device mode. If there's issue with enablement, please let me know. I can help you guys with knowledge of the software/hardware to address any issues you may run into.

[d0u9]

Hi All, hope my question finds the right place. @mtlynch pointed out that:

"The big blocker is support for the usb-gadget-hid in the kernel, which Raspberry Pi OS has natively, but it's hard to enable on other boards."

I want to know:

1. If there is a good way to assert if usb ports on my host support OTG;
2. Are all type-c ports OTG ready?

Thank you.

---

Background:

I want to turn one of my x86 based linux mini box into a KVM to monitor another linux server. Not sure if I can install TinyPilot on it.

[kociubin]

Your x86 mini box would need to have a USB chip that supports OTG functionality (one such chip is DWC3). Good luck finding one.

[1ccs-todd]

Success with Odroid-C2 !
https://forum.odroid.com/viewtopic.php?f=140&t=47881
especially 'NOTE2:'

[mtlynch]

Awesome, thanks for sharing! Quite a hard-fought victory.

[1ccs-todd]

Indeed. Tons of google searches and a few failed paths. I just never though it couldn't be accomplished and persevered.
All the info was out there, just needed to be combed through. The hidg0 device trick I just stumbled upon through testing kernels compiles.

[wsxws]

Banana Pi M2+ update
os Armbian_23.02.2_Bananapim2plus_bullseye_current_5.15.93.img.xz
to satisfy dependencies i did the following steps:

apt update && apt upgrade
apt install clang python3-dev python3-venv libzbar-dev libzbar0
git clone https://github.com/tiny-pilot/tinypilot.git
cd tinypilot
python3 -m venv venv && . venv/bin/activate && pip install --requirement requirements.txt
./get-tinypilot.sh
reboot

installtion runs through without error, banana is reachable by browser, but it says tinypilot is not running (service is active though)
so i did: /opt/tinypilot-privileged/collect-debug-logs
and got the following output: http://logs.tinypilotkvm.com/Pzr7WUym

any chance to fix these errors ?

[mtlynch]

Jan 20 12:42:58 bananapim2plus python[2724]:   File "/usr/lib/python3.9/shutil.py", line 264, in copyfile
Jan 20 12:42:58 bananapim2plus python[2724]:     with open(src, 'rb') as fsrc, open(dst, 'wb') as fdst:
Jan 20 12:42:58 bananapim2plus python[2724]: PermissionError: [Errno 13] Permission denied: '/home/tinypilot/.flask-secret-key'

It looks like permissions are not being set properly on either the /home/tinypilot directory or /home/tinypilot/.flask-secret-key.

The correct permissions for the home directory look like this:

drwxr-xr-x 3 tinypilot tinypilot 4096 Jan 19 15:09 /home/tinypilot

And the correct permissions for the secret key should look like this:

-rw------- 1 tinypilot tinypilot 32 May  3  2023 /home/tinypilot/.flask-secret-key

[wsxws]

thanks for your answer, but i simply made a mistake . (there has been a path /home/tinypilot owned by root before i startet the installation, that lead to the errors)
after doing above mentionened steps tinypilot is up and running and also capturing video.
the only point is that i cant get OTG to work so i cant controll keyboard/mouse
if someone is just interessted in watching it works.
i should have an Bamana Pi M3 somewhere in the basement, i guess im going to search that ;)

[mtlynch]

Glad to hear about the progress!