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Description

Firmware for Anne Pro Keyboard written in Rust

494 Stars 25 Forks Apache License 2.0 392 Commits 27 Opened issues

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Firmware for Anne Pro Keyboard written in Rust

Travis Build Status

This is an alternative firmware for the Anne Pro Keyboard, with the goal of being more stable than the original firmware and adding extra features.

For the Anne Pro 2 (with USB-C connector), please follow and help with the OpenAnnePro project (including flashing, bootloader, and more in the future). The developers also hang out in the Anne Pro Dev discord.

Status

This project is still under heavy development and probably not quite ready yet to serve as your only keyboard.

Working today:

  • Basic keyboard functionality
  • Bluetooth (as a keyboard)
  • LED control (switching on/off, changing themes)
  • USB charging
  • Drop in replacement as a simple firmware update
  • Partial bluetooth communication with the Anne Pro App (tested with Anne Pro Mac App)

Not yet implemented:

  • USB hangs on connect/disconnect
  • USB sends keys concurrently with BT (to toggle USB, use the
    5
    key in BT layer)
  • Media controls / special keys
  • Uploading custom lighting settings
  • Uploading custom keymaps
  • Power Management
  • BT setup mode with LEDs etc.

Community

We hang out in the Anne Pro Dev discord. Please observe the Rust Code of Conduct within our community.

Flashing

You can find the latest build on the Releases page. Download

anne-key.dfu
. If LEDs aren't working with latest build, you can try build 209 , or the following procedure: reboot into DFU mode by holding down
Fn+Space+Esc
, then exit with
Esc
.

Then you can either follow the obins firmware update steps (click Update manual) or use

dfu-util
.

dfu-util

First you'll need to install dfu-util.

To flash your Anne Pro connect via USB, then hold down the Esc button, press the little reset switch on the back and finally release Esc.

Now your keyboard is in DfuSe mode. It should show up in dfu-util:

$ dfu-util -l
dfu-util 0.9

...

Found DFU: [0483:df11] ver=0200, devnum=23, cfg=1, intf=0, path="20-2", alt=2, name="@BluetoothFlash /0x1c000000/14256 a,192256 g", serial="057C37553731" Found DFU: [0483:df11] ver=0200, devnum=23, cfg=1, intf=0, path="20-2", alt=1, name="@Internal Flash /0x0c000000/64256 a,192256 g", serial="057C37553731" Found DFU: [0483:df11] ver=0200, devnum=23, cfg=1, intf=0, path="20-2", alt=0, name="@Internal Flash /0x08000000/64256 a,192256 g", serial="057C37553731"

Then you can flash your keyboard firmware:

$ dfu-util --alt 0 --intf 0 --download anne-key.dfu

...

file contains 1 DFU images parsing DFU image 1 image for alternate setting 0, (1 elements, total size = 5104) parsing element 1, address = 0x08004000, size = 5096 Download [=========================] 100% 5096 bytes Download done. done parsing DfuSe file

And that's it. Press the reset button again to exit the bootloader and return to normal keyboard mode and you're done!

If your keyboard is running our firmware, you can reboot to DFU mode by holding down

Fn+Space+Escape
.

If you want to return to the original firmware you can flash the original firmware with:

$ dfu-util --alt 0 --intf 0 --download "anne pro key 1.4.dfu"

Documentation & Hacking

You can find some documentation on hardware on GitBooks. Many fellow projects provide insights into the obins firmware and app protocol:

  1. Reverse-engineering
  2. hi-a's disassembly of the firmware and bootloader (repo)
  3. metr1xx's APK reverse engineering

  4. Alternate control apps

  5. Blucky87's Python CLI

  6. fcoury's Node.js library and electron app

  7. kprinssu's Windows app

  8. msvisser's Mac App

  9. Alternate firmware

  10. Msvisser's qmk port receives great approvals from users

  11. Older qmk ports: josecostamartins' and dwhinham's

To build your own firmware, you need the following components:

  • rustup: to make use of the
    rust-toolchain
    file
  • cargo-objcopy: you need to build it outside this directory
    cd ~ ; cargo install cargo-binutils

Then,

make dfu
in the top directory will build your
anne-key.dfu
.

To analyze the firmware's code size, you need cargo-bloat:

  • cargo install cargo-bloat
  • make bloat
  • make bloat BLOAT_ARGS="--crates" # passing arguments to cargo-bloat

Our CI requires consistent formatting, please use our pre-commit hook to make sure:

  • cp scripts/pre-commit .git/hooks/pre-commit

To fix formatting:

  • make fmt

Troubleshooting

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