hhkb: Add build options

[max/tmk_keyboard.git] / doc / keymap.md

diff --git a/doc/keymap.md b/doc/keymap.md
index 3d78fc9c9c2d8255b436ff49339ddeb89d83cbc3..d4a129b208150062ff8a7bf7705396ce1d1f32a5 100644 (file)
--- a/doc/keymap.md
+++ b/doc/keymap.md
@@ -198,7 +198,7 @@ There are 8 modifiers which has discrimination between left and right.
  See keycode table in [`doc/keycode.txt`](./keycode.txt) for description of keycodes.
 
  In regard to implementation side most of keycodes are identical with [HID usage][HID_usage](pdf) sent to host for real and some virtual keycodes are defined to support special actions.
-[HID_usage]: http://www.usb.org/developers/devclass_docs/Hut1_11.pdf
+[HID_usage]: http://www.usb.org/developers/hidpage/Hut1_12v2.pdf
 
 
 
@@ -444,6 +444,10 @@ Step through backlight levels.
 
     ACTION_BACKLIGHT_STEP()
 
+Turn a specific backlight level on or off.
+
+    ACTION_BACKLIGHT_LEVEL(1)
+
 #### 2.5.2 Turn on / off backlight
 Turn the backlight on and off without changing level.
 
@@ -493,6 +497,13 @@ Number of taps can be configured with `TAPPING_TOGGLE` in `config.h`, `5` by def
 
 
 
+### 3.5 Momentary switching with Modifiers
+This registers modifier key(s) simultaneously with layer switching.
+
+    ACTION_LAYER_MODS(2, MOD_LSFT | MOD_LALT)
+
+
+
 ## 4. Tapping
 Tapping is to press and release a key quickly. Tapping speed is determined with setting of `TAPPING_TERM`, which can be defined in `config.h`, 200ms by default.