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diff --git a/FAQ-Keymap.md b/FAQ-Keymap.md index 0f0e646c44..135c86710c 100644 --- a/FAQ-Keymap.md +++ b/FAQ-Keymap.md @@ -60,4 +60,25 @@ On **Xorg** you can use `compose` key, instead. - http://en.wikipedia.org/wiki/Compose_key And see this for **Unicode** input. -- http://en.wikipedia.org/wiki/Unicode_input
\ No newline at end of file +- http://en.wikipedia.org/wiki/Unicode_input + + +### Apple keyboard Fn +Not supported. + +Apple keyboard sends keycod for Fn unlike most of other keyboards. +I think you can send Apple Fn key using Appleventer Page 0xff00 and usage 0x0003. You have to change HID Report Descriptor, of course. + +https://opensource.apple.com/source/IOHIDFamily/IOHIDFamily-606.1.7/IOHIDFamily/AppleHIDUsageTables.h + + +## Mac OSX suppors key? +You can know which keycodes are supported in OSX from this source code. + +`usb_2_adb_keymap` array maps Keyboard/Keypad Page usages to ADB scancodes(OSX internal keycodes). + +https://opensource.apple.com/source/IOHIDFamily/IOHIDFamily-606.1.7/IOHIDFamily/Cosmo_USB2ADB.c + +And `IOHIDConsumer::dispatchConsumerEvent` handles Consumer page usages. + +https://opensource.apple.com/source/IOHIDFamily/IOHIDFamily-606.1.7/IOHIDFamily/IOHIDConsumer.cpp
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