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Diffstat (limited to 'docs/hardware_keyboard_guidelines.md')
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diff --git a/docs/hardware_keyboard_guidelines.md b/docs/hardware_keyboard_guidelines.md index 7630b44e0c..17be7ee6aa 100644 --- a/docs/hardware_keyboard_guidelines.md +++ b/docs/hardware_keyboard_guidelines.md @@ -144,10 +144,38 @@ The `rules.mk` file can also be placed in a sub-folder, and its reading order is * `keyboards/top_folder/sub_1/sub_2/sub_3/sub_4/rules.mk` * `keyboards/top_folder/keymaps/a_keymap/rules.mk` * `users/a_user_folder/rules.mk` + * `keyboards/top_folder/sub_1/sub_2/sub_3/sub_4/post_rules.mk` + * `keyboards/top_folder/sub_1/sub_2/sub_3/post_rules.mk` + * `keyboards/top_folder/sub_1/sub_2/post_rules.mk` + * `keyboards/top_folder/sub_1/post_rules.mk` +* `keyboards/top_folder/post_rules.mk` * `common_features.mk` Many of the settings written in the `rules.mk` file are interpreted by `common_features.mk`, which sets the necessary source files and compiler options. +The `post_rules.mk` file can interpret `features` of a keyboard-level before `common_features.mk`. For example, when your designed keyboard has the option to implement backlighting or underglow using rgblight.c, writing the following in the `post_rules.mk` makes it easier for the user to configure the `rules.mk`. + +* `keyboards/top_folder/keymaps/a_keymap/rules.mk` + ```makefile + # Please set the following according to the selection of the hardware implementation option. + RGBLED_OPTION_TYPE = backlight ## none, backlight or underglow + ``` +* `keyboards/top_folder/post_rules.mk` + ```makefile + ifeq ($(filter $(strip $(RGBLED_OPTION_TYPE))x, nonex backlightx underglowx x),) + $(error unknown RGBLED_OPTION_TYPE value "$(RGBLED_OPTION_TYPE)") + endif + + ifeq ($(strip $(RGBLED_OPTION_TYPE)),backlight) + RGBLIGHT_ENABLE = yes + OPT_DEFS += -DRGBLED_NUM=30 + endif + ifeq ($(strip $(RGBLED_OPTION_TYPE)),underglow) + RGBLIGHT_ENABLE = yes + OPT_DEFS += -DRGBLED_NUM=6 + endif + ``` + ?> See `build_keyboard.mk` and `common_features.mk` for more details. ### `<keyboard_name.c>` |