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diff --git a/docs/getting_started_introduction.md b/docs/getting_started_introduction.md new file mode 100644 index 000000000..3e9a8eb0b --- /dev/null +++ b/docs/getting_started_introduction.md @@ -0,0 +1,47 @@ +# Introduction + +This page attempts to explain the basic information you need to know to work with the QMK project. It assumes that you are familiar with navigating a Unix shell, but does not assume you are familiar with C or with compiling using make. + +## Basic QMK structure + +QMK is a fork of [Jun Wako](https://github.com/tmk)'s [tmk_keyboard](https://github.com/tmk/tmk_keyboard) project. The original TMK code, with modifications, can be found in the `tmk` folder. The QMK additions to the project may be found in the `quantum` folder. Keyboard projects may be found in the `handwired` and `keyboard` folders. + +### Keyboard project structure + +Within the folder `keyboards` and its subfolder `handwired` is a directory for each keyboard project, for example `qmk_firmware/keyboards/clueboard`. Within it you'll find the following structure: + +* `keymaps/`: Different keymaps that can be built +* `rules.mk`: The file that sets the default "make" options. Do not edit this file directly, instead use a keymap specific `Makefile` +* `config.h`: The file that sets the default compile time options. Do not edit this file directly, instead use a keymap specific `config.h`. + +### Keymap structure + +In every keymap folder, the following files may be found. Only `keymap.c` is required, and if the rest of the files are not found the default options will be chosen. + +* `config.h`: the options to configure your keymap +* `keymap.c`: all of your keymap code, required +* `rules.mk`: the features of QMK that are enabled +* `readme.md`: a description of your keymap, how others might use it, and explanations of features. Please upload images to a service like imgur. + +# The `config.h` file + +There are 2 `config.h` locations: + +* keyboard (`/keyboards/<keyboard>/config.h`) +* keymap (`/keyboards/<keyboard>/keymaps/<keymap>/config.h`) + +If the keymap `config.h` exists, that file is included by the build system and the keyboard `config.h` is not included. If you wish to override settings in your keymap's `config.h` you will need to include some glue code: + +``` +#ifndef CONFIG_USER_H +#define CONFIG_USER_H + +#include "../../config.h" +``` + +If you want to override a setting from the parent `config.h` file, you need to `#undef` and then `#define` the setting again, like this: + +```c +#undef MY_SETTING +#define MY_SETTING 4 +``` |