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master
forksand-xd87
future
future_unformatted
python_tests
qmk_clang_format
fix/oled_timeout
docs/rgb_matrix_startup
fix/print_buffer_overflow
planck_thk
vuepress
clueboard_2x1800_2019
future_ppdis_none
tweak_clang_format
enforce-clang-format
clang-format
arm-dac-work
titmlb
planck-ez-a5-high
planck_ez_wdg
planck_ez_with_5372
arm_rgb
rgb7seg
peasy
clueboard_66hs_arm
hf/docs_typo
clockworkpi
embedded
i18n
subatomic
unorthodox
touchpad
qwiic_joystiic
automate_kc_prefix
qwiic_hud
matrix_update
peb
clueboard_66hs
pragma_once
olkb-defaults
edez2
muon_light
qwiic_hub
muon_light_dc
keymap_folders
planck_light_rev2
internal/led_qa
l100
docsify_setup
fywut
keycode_versioning
readme-update
clueboard_hotswap
handwire
twi2c
arm_audio_fixes
xmega_support
audio_out
gb_port
clueboard_1
info_json_populate
pjrc_hid
subvendor_ids
stm32l476
ps2avrgb
travis_phases
dz_support
make_autocomplete
hid_api
clueboard_arm
sid
keyboards_json
keyboard_identifiers
pp_definitions
teensy_lc_synth
eeprom_update
process_keycode_update
b6_b7_audio
example_keyboards
preonic-1.0
planck-4.0
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LUFA-111009
LUFA-130901
LUFA-130901-BETA
LUFA-140302
LUFA-140928
LUFA-151115
LUFA-170418
breakpoint_2019_08_30
ergodox_ez-161205
gh60-0.1
planck-4.1
planck-4.2
planck-5.0
planck-6.0
planck-6.1
planck-light-1.0
preonic-2.0
v4.0
${ noResults }
fauxpark
72f382fc02
|
5 years ago | |
|---|---|---|
| .. | ||
| featherble | Remove unused _BOOTLOADER defines | 5 years ago |
| keymaps | Remove/migrate action_get_macro()s from default keymaps (#5625) | 6 years ago |
| promicro | Remove unused _BOOTLOADER defines | 5 years ago |
| TWIlib.c | Add support for Meira | 7 years ago |
| TWIlib.h | Add support for Meira | 7 years ago |
| config.h | Remove CUSTOM_MATRIX option from diode direction (#5090) | 6 years ago |
| issi.c | Add support for Meira | 7 years ago |
| issi.h | Add support for Meira | 7 years ago |
| lighting.c | Update Meira for revision 1.1 to enable backlighting by default (#2468) | 7 years ago |
| lighting.h | Add support for Meira | 7 years ago |
| matrix.c | Replace DEBOUNCING_DELAY (deprecated) with DEBOUNCE (#5997) | 6 years ago |
| meira.c | Remove empty action_function() | 6 years ago |
| meira.h | Meira updates for bluetooth and audio (#2731) | 7 years ago |
| readme.md | Modified URLs to point to new locations | 6 years ago |
| rules.mk | Remove unused _BOOTLOADER defines | 5 years ago |
readme.md
Meira
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.