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Firmware for Sinara Fast-Servo based on Not-OS and Linien
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C 90.1%
Python 6.7%
Verilog 1.7%
Nix 1.5%
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linuswck 30579dfc60 gui: Do not use OpenGL for pyqtgraph 
- Fix Painter path exceeds +/-32767 pixels bug
- Plotting with OpenGL has worse performance
    - See pyqtgraph Issue #2227
2025-01-15 18:06:49 +08:00
fast-servo gui: Do not use OpenGL for pyqtgraph 2025-01-15 18:06:49 +08:00
not-os-patches Start linien-server as a service in boot stage 2025-01-14 17:14:42 +08:00
.gitignore add __pycache__ 2024-03-01 16:39:56 +08:00
flake.lock nixos 24.11 2024-12-17 16:41:29 +08:00
flake.nix gui: Do not use OpenGL for pyqtgraph 2025-01-15 18:06:49 +08:00
README.md Start linien-server as a service in boot stage 2025-01-14 17:14:42 +08:00

README.md

Firmware for the Sinara 8462 Fast-Servo

Building

Reproducible build with Nix

  1. Run nix build .#packages.armv7l-linux.fast-servo-sd-image to build the sd card image.
  2. Run nix develop to build a dev shell to access the GUI.

Flashing

  1. Plug in your SD card to your computer and run lsblk to locate SD card
  2. If there are any partitions on the SD card, run umount <mount point> all the related mount points.
  3. Run sudo dd if=<path to the SD Card Image> of=/dev/<SD Card Device Name in lsblk> bs=4M status=progress oflag=sync
  4. Eject the SD Card before removal

Usage

  1. Make sure the onboard DIP Switch is in the following condition.
    • EN: OFF
    • MODE: ON
  2. Install the SD Card, power up the board via the power jack or PoE and plug in the RJ45 Ethernet cable.
  3. Wait for all the front panel LEDs except the termination status LEDs to turn off. It can take a minutes or two for first boot. If it does not boot up, try to flash the SD Card again.
  4. By default, linien-server starts up automatically. In case linien-server crashes, it will restart itself. Logs are stored in /root/linien-server-log. Here are some commands to interact with the linien-server service once you ssh <fast servo ip address> -p 3030 into fast-servo.
Description Command
Start the linien-server service linien-server start
Stop the linien-server service linien-server stop
Check if the linien-server service is running linien-server status
Set the linien-server service to start at bootup linien-server enable
Set the linien-server service not to start at bootup linien-server disable
  1. In the dev shell, run linien to launch the GUI. Add new device. Username is root and it does not take any password to log in. You leave the password field with any text.
  2. Select the newly added device and click connect in the GUI to connect and start the GUI.