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102 lines
3.8 KiB
Markdown
102 lines
3.8 KiB
Markdown
---
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title: WMR Lighthouse (No SteamVR)
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weight: 9000
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---
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# WMR Lighthouse (No SteamVR)
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This describes a WMR Lighthouse setup using the `steamvr_lh` driver.
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It's different from [WMR Lighthouse](/docs/steamvr/wmr-lighthouse/)
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This doesn't use steamvr to re-map the head from some lighthouse tracking device.
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Instead it does this natively in monado, so SteamVR is only necessary for the proprietary `steamvr_lh` driver.
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For now this is a hacky approach requiring a Monado fork, as Monado's builders don't support the functionality yet:
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* https://gitlab.freedesktop.org/monado/monado/-/issues/459
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* https://gitlab.freedesktop.org/monado/monado/-/issues/288
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This is made for WMR based headsets and has been tested with a Reverb G2 & Vive1 (Vive1 used only for it's 2 watchman dongles needed for the lighthouse controllers).
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You can easily adapt this for other headsets in a hacky way, until these issues are closed.
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Tested working on Arch Linux with NVIDIA RTX 2060S.
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## Setup:
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Setup your lighthouse system on SteamVR Windows. The Linux SteamVR version does not work well. On windows: Update everything, pair everything & setup your room boundaries.
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Linux Setup:
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* install Steam
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* Download SteamVR on Steam (try non beta version first)
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* Configurations from Windows copied over
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### How To Copy Your Windows Steam Configurations To Linux
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* mount your windows drive (e.g. at `/mnt`)
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* `cp -r "/mnt/Program Files (x86)/Steam/config" ~/.steam/steam/`
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### Linux Only Setup
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It may be possible to use SteamVR on Linux to setup your room boundaries, pair and update everything. This is untested, but try at least.
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You may need playspace moving via Wlx to fine tune the floor if you don't have a Windows install.
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## Build
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### Manually
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Use this fork of Monado
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`git clone https://gitlab.freedesktop.org/Zuzka/monado`
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(if it's too old for you, try to merge upstream into it and fix it)
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Ensure you have all required dependencies installed beforehand (Envision or Monado docs might help)
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* `cmake -G Ninja -B build -DCMAKE_INSTALL_PREFIX=/usr -DXRT_BUILD_DRIVER_SURVIVE=0 -DXRT_BUILD_DRIVER_VIVE=0 -DXRT_BUILD_DRIVER_STEAMVR_LIGHTHOUSE=1`
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* `sudo ninja -C build install`
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Set following environment variable in your e.g. bash_profile:
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`export LH_DEVICE_SERIAL="{YourSerial}"`
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Replace `{YourSerial}` with [your actual serial](#how-to-find-your-serial)
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### Envision
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In Envision, set Profile as such:
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XR Service Repo:
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```
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https://gitlab.freedesktop.org/Zuzka/monado.git
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```
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XR Service CMake Flags:
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```
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XRT_BUILD_DRIVER_SURVIVE=0
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XRT_BUILD_DRIVER_VIVE=0
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XRT_BUILD_DRIVER_STEAMVR_LIGHTHOUSE=1
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```
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Environment Variables:
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```
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LH_DEVICE_SERIAL="{YourSerial}"
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```
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Replace `{YourSerial}` with [your actual serial](#how-to-find-your-serial)
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Perform a Clean Build after changing the CMake flags!
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## How To Find Your Serial
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You can find out the actual tracking device serial by:
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1. At monado startup look if you see anything starting with `LHR-` e.g. `LHR-FC2E9BC3`. Try a bunch to find the tracker attached to your headset.
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2. running this command and trying a bunch: `ls ~/.steam/steam/config/lighthouse/ | tr '[:lower:]' '[:upper:]'`
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3. Running `motoc show` in a terminal
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## Notes
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* Turn on all your trackers & controllers and ensure the light is green, before starting monado.
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* If you decide to use another lighthouse tracker mount, you'd need to figure the new tracker offset math in the Monado source code.
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* If you use a Vive 1 as controller connection dongles *only connect power and USB*.
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* Fork works fine without a Vive 1 for dongles, usb dongles work aswell.
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## Useful Resources:
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* https://monado.freedesktop.org/getting-started.html#installation-from-source
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* https://monado.freedesktop.org/valve-index-setup.html
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* check the commits on the fork for more info https://gitlab.freedesktop.org/Zuzka/monado
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* vive tracker 3.0 3d printable mount
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* model: https://www.printables.com/model/107654-hp-reverb-g2-vive-tracker-mount
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