From b666921e258838f8eb8dcd9038f6f4f7f4159453 Mon Sep 17 00:00:00 2001 From: Evan Travers Date: Sat, 14 Jul 2018 15:33:50 -0500 Subject: Reword the `config.h` section This section didn't include the possibility of a user `config.h`, and it wasn't clear exactly how the settings override works. --- docs/getting_started_introduction.md | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) (limited to 'docs') diff --git a/docs/getting_started_introduction.md b/docs/getting_started_introduction.md index cf80d40b5..504af7ba7 100644 --- a/docs/getting_started_introduction.md +++ b/docs/getting_started_introduction.md @@ -25,23 +25,34 @@ In every keymap folder, the following files may be found. Only `keymap.c` is req # The `config.h` File -There are 2 `config.h` locations: +There are 3 possible `config.h` locations: * keyboard (`/keyboards//config.h`) +* userspace (`/users//config.h`) * keymap (`/keyboards//keymaps//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: +The build system automatically picks up the config files in the above order. If you wish to override any setting set by a previous `config.h` you will need to first include some boilerplate code around the settings you wish to change. ``` #ifndef CONFIG_USER_H #define CONFIG_USER_H -#include "config_common.h" +// overrides go here! + +#endif ``` -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: +Then to override a setting from the previous `config.h` file you must `#undef` and then `#define` the setting again. + +The boilerplate code and setting look like this together: -```c +``` +#ifndef CONFIG_USER_H +#define CONFIG_USER_H + +// overrides go here! #undef MY_SETTING #define MY_SETTING 4 + +#endif ``` -- cgit v1.2.3-24-g4f1b