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authorWilliam Chang <[email protected]>2019-11-20 22:17:07 -0800
committerWilliam Chang <[email protected]>2019-11-20 22:17:07 -0800
commite7f4d56592b3975c38af329e77b4efd9108495e8 (patch)
tree0a416bccbf70bfdbdb9ffcdb3bf136b47378c014 /docs/how_keyboards_work.md
parent71493b2f9bbd5f3d18373c518fa14ccafcbf48fc (diff)
parent8416a94ad27b3ff058576f09f35f0704a8b39ff3 (diff)
downloadqmk_firmware-e7f4d56592b3975c38af329e77b4efd9108495e8.tar.gz
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Merge remote-tracking branch 'upstream/master'
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@@ -33,7 +33,11 @@ The firmware does not send actual letters or characters, but only scancodes.
Thus, by modifying the firmware, you can only modify what scancode is sent over
USB for a given key.
-## 3. What the Operating System Does
+## 3. What the Event Input/Kernel Does
+
+The *scancode* is mapped to a *keycode* dependent on the keyboard [60-keyboard.hwdb at Master](https://github.com/systemd/systemd/blob/master/hwdb.d/60-keyboard.hwdb). Without this mapping, the operating system will not receive a valid keycode and will be unable to do anything useful with that key press.
+
+## 4. What the Operating System Does
Once the keycode reaches the operating system, a piece of software has to have
it match an actual character thanks to a keyboard layout. For example, if your