2017-04-05 01:30:13 +02:00
Understanding the essential changes made on the [tmk_keyboard firmware ](http://github.com/tmk/tmk_keyboard ) should help you understand the QMK Firmware.
| Firmware |TMK |QMK |
|------------------------------|-----------------------|-------------------------|
| Maintainer |hasu (@tmk) |Jack Humbert et al. |
| Build path customization | `TMK_DIR = ...` | `include .../Makefile` |
| `keymaps` array data | 3D array of `uint8_t` holding **keycode** | 3D array of `uint16_t` holding **keycode** |
2017-05-28 19:17:22 +02:00
| `fn_actions` array data | 1D array of `uint8_t` holding **action code** | 1D array of `uint16_t` holding **action code** |