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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 }
Seebs
7fbe6c3594
With these changes, the ergodox ez goes from 315 scans per second when no keys are pressed (~3.17ms/scan) to 447 (~2.24ms/scan). The changes to the pin read are just condensing the logic, and replacing a lot of conditional operations with a single bitwise inversion. The change to row scanning is more significant, and merits explanation. In general, you can only scan one row of a keyboard at a time, because if you scan two rows, you no longer know which row is pulling a given column down. But in the Ergodox design, this isn't the case; the left hand is controlled by an I2C-based GPIO expander, and the columns and rows are *completely separate* electrically from the columns and rows on the right-hand side. So simply reading rows in parallel offers two significant improvements. One is that we no longer need the 30us delay after each right-hand row, because we're spending more than 30us communicating with the left hand over i2c. Another is that we're no longer wastefully sending i2c messages to the left hand to unselect rows when no rows had actually been selected in the first place. These delays were, between them, coming out to nearly 30% of the time spent in each scan. Signed-off-by: seebs <seebs@seebs.net> |
7 years ago | |
|---|---|---|
| .. | ||
| keymaps | Update to drashna keymaps (#4) | 7 years ago |
| util | Creates a layouts/ folder for keymaps shared between keyboards (#1609) | 7 years ago |
| 190hotfix.sh | Creates a layouts/ folder for keymaps shared between keyboards (#1609) | 7 years ago |
| config.h | improve ergodox ez performance | 7 years ago |
| ergodox_ez.c | fix typo | 7 years ago |
| ergodox_ez.h | add initial support for left leds on an ergodox ez | 7 years ago |
| i2cmaster.h | Creates a layouts/ folder for keymaps shared between keyboards (#1609) | 7 years ago |
| matrix.c | improve ergodox ez performance | 7 years ago |
| readme.md | Allow multiple process_record() calls per scan | 7 years ago |
| rules.mk | document how to define LEFT_LEDS and how that hack is done | 7 years ago |
| twimaster.c | Creates a layouts/ folder for keymaps shared between keyboards (#1609) | 7 years ago |
readme.md
ErgoDox EZ
The Ez uses the Teensy Loader.
Linux users need to modify udev rules as described on the Teensy
Linux page. Some distributions provide a binary, maybe called
teensy-loader-cli.
To flash the firmware:
-
Build the firmware with
make keymapname, for examplemake default -
This will result in a hex file called
ergodox_ez_keymapname.hex, e.g.ergodox_ez_default.hex -
Start the teensy loader.
-
Load the .hex file into it.
-
Press the Reset button by inserting a paperclip gently into the reset hole in the top right corder.
-
Click the button in the Teensy app to download the firmware.
To flash with ´teensy-loader-cli´:
-
Build the firmware with
make keymapname, for examplemake default -
Run ´<path/to/>teensy_loader_cli -mmcu=atmega32u4 -w ergodox_ez_.hex´
-
Press the Reset button by inserting a paperclip gently into the reset hole in the top right corder.
Settings
You may want to enable QMK_KEYS_PER_SCAN because the Ergodox has a relatively slow scan rate.