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Daniel Burkholder af5f59636e Keyboard: Dactyl - Only initialize relevant variables (#3771) 
This small change prevents an unused variable from being initialized, throwing a warning during compilation, thus ending fatally.

[07:47:10] [Daniels-MacBook-Pro-3] [dburkhol] [ /Users/dburkhol/git/qmk_firmware ] [develop ]
: make handwired/dactyl:default
QMK Firmware 0.6.97
Making handwired/dactyl with keymap default

avr-gcc (GCC) 7.3.0
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Size before:
   text    data     bss     dec     hex filename
      0   19972       0   19972    4e04 .build/handwired_dactyl_default.hex

Compiling: keyboards/handwired/dactyl/twimaster.c                                                   [OK]
Compiling: keyboards/handwired/dactyl/matrix.c                                                     keyboards/handwired/dactyl/matrix.c:52:22: error: 'expander_col_pins' defined but not used [-Werror=unused-const-variable=]
 static const uint8_t expander_col_pins[MATRIX_COLS] = MATRIX_EXPANDER_COL_PINS;
                      ^~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
 [ERRORS]
 |
 |
 |
make[1]: *** [.build/obj_handwired_dactyl_default/matrix.o] Error 1
make: *** [handwired/dactyl:default] Error 1
Make finished with errors
 		2018-08-28 17:06:51 -07:00
..
keymaps Handwired/Dactyl refactor and Configurator support (#3222) 2018-06-22 17:24:52 -07:00
config.h
…
dactyl.c
…
dactyl.h Handwired/Dactyl refactor and Configurator support (#3222) 2018-06-22 17:24:52 -07:00
i2cmaster.h
…
info.json Handwired/Dactyl refactor and Configurator support (#3222) 2018-06-22 17:24:52 -07:00
matrix.c Keyboard: Dactyl - Only initialize relevant variables (#3771) 2018-08-28 17:06:51 -07:00
readme.md
…
rules.mk
…
twimaster.c
…

readme.md

Dactyl

See https://github.com/adereth/dactyl-keyboard

The Dactyl 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 handwired/dactyl:<keymapname>, for example make handwired/dactyl:default

  • This will result in a hex file called handwired_dactyl_<keymapname>.hex, e.g. handwired_dactyl_default.hex

  • Start the teensy loader.

  • Load the .hex file into it.

  • Put the Teensy in firmware-loading mode:

    • If your current layout has a RESET key, press it.
    • If you lack a RESET key, press the reset button on the Teensy board itself.

  • Click the button in the Teensy app to download the firmware.

To flash with ´teensy-loader-cli´:

  • Build the firmware as above

  • Run <path/to/>teensy_loader_cli -mmcu=atmega32u4 -w handwired_dactyl_<keymapname>.hex

  • If you like, you can do both at once: make handwired/dactyl:<keymapname>:teensy

  • Put the Teensy in firmware-loading mode:

    • If your current layout has a RESET key, press it.
    • If you lack a RESET key, press the reset button on the Teensy board itself.