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keychron_qmk_firmware/keyboards/meira
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Drashna Jaelre b05c0e46c6 Adds a default value for IS_COMMAND for COMMAND feature (#4301) 
* Add default value for IS_COMMAND for COMMAND feature

* Cleanup and consistency

* Update Templates to reflect change

* Fix IS_COMMAND in template

* Fix IS_COMMAND define

* Use consistent IS_COMMAND block in templates

* Remove unnecessary `#undef IS_COMMAND` directives

* Fix compile issue on orthodox

* Reomve IS_COMMAND option for newer boards

* Remove all existing definitions of IS_COMMAND if they use default LSHIFT and RSHIFT setting

* Remove a couple of additional IS_COMMAND defines

* Remove remaining redundant IS_COMMAND definitions

* Remove #undef IS_COMMAND from orthodox:drashna and whitefox:konstantin

* Remove multiple empty lines in modified config.h files

* Update additional boards

* Reomve IS_COMMAND from newer boards

* Update Alice keyboard

* Remove IS_COMMAND from additional boards

Jan 24th edition
2019-01-26 15:49:45 -08:00
..
featherble Adds a default value for IS_COMMAND for COMMAND feature (#4301) 2019-01-26 15:49:45 -08:00
keymaps Remove empty fn_actions[] 2019-01-11 18:32:43 -08:00
promicro Adds a default value for IS_COMMAND for COMMAND feature (#4301) 2019-01-26 15:49:45 -08:00
config.h Remove all of the deprecated RGB defines 2018-10-22 14:55:57 -04:00
issi.c
issi.h
lighting.c Update Meira for revision 1.1 to enable backlighting by default (#2468) 2018-03-07 17:06:41 -05:00
lighting.h
matrix.c
meira.c Remove empty action_function() 2019-01-11 18:32:43 -08:00
meira.h Meira updates for bluetooth and audio (#2731) 2018-04-19 00:57:24 -04:00
readme.md Modified URLs to point to new locations 2019-01-13 09:11:18 -08:00
rules.mk Replace outdated RGB/Audio information 2018-10-22 14:55:05 -04:00
TWIlib.c
TWIlib.h

readme.md

Meira

Miera

A 4x12 ortholinear low-profile keyboard.

Keyboard Maintainer: Cole Markham
Hardware Supported: Meira/ProMicro, Meira/FeatherBLE
Hardware Availability: WoodKeys.click

Two controllers are support: the Pro Micro, and the Adafruit Feather BLE 32u4. Support for each is defined as a hardware revision subfolder in QMK. Main differences include processor frequencies and matrix pinouts.

Make example for this keyboard (after setting up your build environment):

make meira/promicro:default

or

make meira/featherble:default

See build environment setup then the make instructions for more information on generic QMK configuration and setup.

Both the Pro Micro and the Feather BLE use the Catalina bootloader, which is typically programmed using avrdude.

Matrix

In order to have enough pins for the matrix and other functions, a custom matrix is implemented using a demultiplexer to scan the columns. Since the demux is active low, the diodes must be oriented with the cathode connected to the demux pin. When looking at the bottom of the board with the controller at the top right, the cathode mark on the diode should be toward the left.

LED Controller

The in-switch LEDs are driven by an ISSI LED controller (IS31FL3731). The micro controller communicates with this chip using I2C. Individual LED control is possible, but currently only general backlighting support is implemented. This functionality is located in lighting.c, issi.c, and TWILib.c.