Support for pi-mcu setup with KIAUH installed Klipper? #231

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2022-08-18T02:51:13+02:00

bjarchi commented

2022-08-18 02:51:13 +02:00

(Migrated from github.com)

Somewhat -- KIAUH installs klipper as a systemd service, but the klipper docs for installing the rpi-mcu virtual linux MCU have it started as an init.d service and also note that the rpi-mcu process must be started before the klipper service. Given this, it seems it would make sense to have the rpi-mcu process also started as a systemd unit. One possible way to accomplish this would be to have KIAUH have an helper to install the rpi-mcu process, bypassing the klipper doc install process.

Describe the solution you'd like

Have KIAUH handle the klipper rpi-mcu install process, substituting a systemd unit for the klipper-bundled init.d script.
Alternatively (possibly better?) I may be able to write a systemd unit option and contribute it directly to klipper. This still might benefit from some support for installation in KIAUH.

Describe alternatives you've considered

Install init.d starter for rpi-mcu process; figure out how init.d / systemd startup sequencing works
Write and test systemd unit for rpi-mcu process starting & submit it as a PR to Klipper, along with relevant documentation changes to call it out as an option.

Additional information

No response

### Is your feature request related to a problem? Please describe Somewhat -- KIAUH installs klipper as a systemd service, but the klipper docs for installing the rpi-mcu virtual linux MCU have it started as an init.d service and also note that the rpi-mcu process must be started before the klipper service. Given this, it seems it would make sense to have the rpi-mcu process also started as a systemd unit. One possible way to accomplish this would be to have KIAUH have an helper to install the rpi-mcu process, bypassing the klipper doc install process. ### Describe the solution you'd like 1. Have KIAUH handle the klipper rpi-mcu install process, substituting a systemd unit for the klipper-bundled init.d script. 2. Alternatively (possibly better?) I may be able to write a systemd unit option and contribute it directly to klipper. This still might benefit from some support for installation in KIAUH. ### Describe alternatives you've considered 1. Install init.d starter for rpi-mcu process; figure out how init.d / systemd startup sequencing works 2. Write and test systemd unit for rpi-mcu process starting & submit it as a PR to Klipper, along with relevant documentation changes to call it out as an option. ### Additional information _No response_

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Reference: h3n3/kiauh#231