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Kernel+Userland: Implement support for PS2 scan code set 2

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This scan code set is more advanced than the basic scan code set 1, and
is required to be supported for some bare metal hardware that might not
properly enable the PS2 first port translation in the i8042 controller.

LibWeb can now also generate bindings for keyboard events like the Pause
key, as well as other function keys (such as Right Alt, etc).

The logic for handling scan code sets is implemented by the PS2 keyboard
driver and is abstracted from the main HID KeyboardDevice code which
only handles "standard" KeyEvent(s).
This commit is contained in:
Liav A 2023-12-30 06:19:04 +02:00 • committed by Andrew Kaster
parent cae184d7cf
commit c8f27d7cb8
12 changed files with 991 additions and 439 deletions
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7
Kernel/Devices/HID/ScanCodeEvent.h
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@ -7,13 +7,14 @@
#pragma once
#include <AK/Types.h>
#include <Kernel/Devices/HID/Definitions.h>
namespace Kernel {
struct ScanCodeEvent {
u32 scan_code_value { 0 };
bool pressed { false };
bool e0_prefix { false };
Array<u8, 8> scan_code_bytes;
ScanCodeSet sent_scan_code_set { ScanCodeSet::Set1 };
u8 bytes_count { 0 };
};
}