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QMK Breaking Change - 2020 Feb 29 Changelog

Four times a year QMK runs a process for merging Breaking Changes. A Breaking Change is any change which modifies how QMK behaves in a way that is incompatible or potentially dangerous. We limit these changes to 4 times per year so that users can have confidence that updating their QMK tree will not break their keymaps.

Update ChibiOS/ChibiOS-Contrib/uGFX submodules

General Notes
- A make git-submodule may be required after pulling the latest QMK firmware code to update affected submodules to the upgraded revisions
- Enabling link-time-optimization (LINK_TIME_OPTIMIZATION_ENABLE = yes) should work on a lot more boards
Upgrade to ChibiOS ver19.1.3
- This will allow QMK to update to upstream ChibiOS a lot easier -- the old version was ~2 years out of date. Automated update scripts have been made available to simplify future upgrades.
- Includes improved MCU support and bugfixes
- ChibiOS revision is now included in Command output
- Timers should now be more accurate
Upgrade to newer ChibiOS-Contrib
- Also includes improved MCU support and bugfixes
- ChibiOS-Contrib revision is now included in Command output
Upgrade to newer uGFX
- Required in order to support updated ChibiOS

Fix ChibiOS timer overflow for 16-bit SysTick devices

On 16-bit SysTick devices, the timer subsystem in QMK was incorrectly dealing with overflow.
- When running at a 100000 SysTick frequency (possible on 16-bit devices, but uncommon), this overflow would occur after 0.65 seconds.
Timers are now correctly handling this overflow case and timing should now be correct on ChibiOS/ARM.

Update LUFA submodule

Updates the LUFA submodule to include updates from upstream (abcminiuser/lufa)
Includes some cleanup for QMK DFU generation

Encoder flip

Flips the encoder direction so that clockwise == true is for actually turning the knob clockwise
Adds ENCODER_DIRECTION_FLIP define, so that reversing the expected dirction is simple for users.
Cleans up documentation page for encoders

Adding support for `BACKLIGHT_ON_STATE` for hardware PWM backlight

Previously, the define only affected software PWM, and hardware PWM always assumed an N-channel MOSFET.
The hardware PWM backlight setup has been updated to respect this option.
The default "on" state has been changed to 1 - this impacts all keyboards using software PWM backlight that do not define it explicitly. If your keyboard's backlight is acting strange, it may have a P-channel MOSFET, and will need to have #define BACKLIGHT_ON_STATE 0 added to the keyboard-level config.h. Please see the PR for more detailed information.

Migrating `ACTION_LAYER_TAP_KEY()` entries in `fn_actions` to `LT()` keycodes

fn_actions is deprecated, and its functionality has been superseded by direct keycodes and process_record_user()
The end result of removing this obsolete feature should result in a decent reduction in firmware size and code complexity
All keymaps affected are recommended to switch away from fn_actions in favour of the custom keycode and macro features

Moving backlight keycode handling to `process_keycode/`

This refactors the backlight keycode logic to be clearer and more modular.
All backlight-related keycodes are now actioned in a single file.
The ACTION_BACKLIGHT_* macros have also been deleted. If you are still using these in a fn_actions[] block, please switch to using the backlight keycodes or functions directly.

Refactor Planck keymaps to use Layout Macros

Refactor Planck keymaps to use layout macros instead of raw matrix assignments
Makes keymaps revision-agnostic
Should reduce noise and errors in Travis CI logs

GON NerD codebase refactor

Splits the codebase for GON NerD 60 and NerdD TKL PCBs into two separate directories.
If your keymap is for a NerD 60 PCB, your make command is now make gon/nerd60:<keymap>.
If your keymap is for a NerD TKL PCB, your make command is now make gon/nerdtkl:<keymap>.

4.1 KiB Raw Blame History