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docs: rework device permission topic and add info about webcam permissions provided in #155

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Markus Küffner
2024-05-09 12:17:59 +02:00
parent 35660dfb71
commit d4a9edc31e
2 changed files with 10 additions and 10 deletions
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CHANGELOG.md
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@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
<!--
## [Unreleased]
### Added
* docs: note about video device permissions via #155 reported by @d-graz
### Fixed
### Changed
### Removed

19
README.md
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@@ -207,19 +207,18 @@ docker compose --profile <profile> up -d
```
## Advanced Topics
### Serial device permissions
It may be necessary to change the permissions of your printers serial device.
This is usually the case when you're on a non debian based distro which uses a different numerical groupid for the `dialout` group.
### Device permissions
Adjusting permissions for devices connected to your host may become necessary, especially if you're using a non-Debian-based distribution with varying numerical group IDs.
Serial devices passed into the klipper container should be assigned to groupid `20` for the permissions to work within it.
You can accomplish this by crafting a udev rule tailored to your specific device on your host system. Refer to your operating system's manual for instructions on configuring udev rules.
This may be done by creating a udev rule on your host machine for your specific device, read up on how to do this on your specific OS.
Usually you'll have to create a `*.rules` file in `/etc/udev/rules.d` and add a single line like this to it.
Be sure to use your devices specific `idVendor` and `idProduct`, which can be found via `lsusb`.
Typically, this involves creating a `*.rules` file within `/etc/udev/rules.d` and appending a single line to it.
Consult the table below for the appropriate rule corresponding to your device type. Ensure to include your device's specific `idVendor` and `idProduct`, which can be identified using the `lsusb` command.
```
ACTION=="add",SUBSYSTEM=="tty",ATTRS{idVendor}=="0000",ATTRS{idProduct}=="0000",GROUP="20"
```
| Device Type | Group Name | GID | Udev Rule |
|-------------|------------|------|------------------------------------------------------------------------------------------------------|
| Serial Port | `dialout` | `20` | `ACTION=="add",SUBSYSTEM=="tty",ATTRS{idVendor}=="0000",ATTRS{idProduct}=="0000",GROUP="20"` |
| Webcam | `video` | `44` | `ACTION=="add",SUBSYSTEM=="video4linux",ATTRS{idVendor}=="0000",ATTRS{idProduct}=="0000",GROUP="44"` |
### Input Shaper Calibration
Using input shaper requires an accelerometer.