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James Young 1646c0f26c
2021 May 29 Breaking Changes Update (#13034)
2 years ago
..
featherble Audio system overhaul (#11820) 3 years ago
keymaps Audio system overhaul (#11820) 3 years ago
promicro Add a <FEATURE>_SUPPORTED flag (#9058) 3 years ago
TWIlib.c Normalise include statements in keyboard code (#11185) 3 years ago
TWIlib.h Fix TWIlib compilation on avr-gcc 10 (#9273) 3 years ago
config.h Remove `DESCRIPTION`, K-M (#11619) 3 years ago
info.json Add missing info.json files for keyboards (#12239) 3 years ago
issi.c Add support for Meira 6 years ago
issi.h Add support for Meira 6 years ago
lighting.c Normalise include statements in keyboard code (#11185) 3 years ago
lighting.h Add support for Meira 6 years ago
matrix.c Remove legacy print backward compatiblitly (#11805) 3 years ago
meira.c Remove empty action_function() 5 years ago
meira.h 2021 May 29 Breaking Changes Update (#13034) 2 years ago
readme.md Modified URLs to point to new locations 5 years ago
rules.mk Remove FAUXCLICKY feature (deprecated) (#11829) 3 years ago

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.