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/** @file
Simple Text Input protocol from the UEFI 2.0 specification.
Abstraction of a very simple input device like a keyboard or serial
terminal.
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __SIMPLE_TEXT_IN_PROTOCOL_H__
#define __SIMPLE_TEXT_IN_PROTOCOL_H__
FILE_LICENCE ( BSD2_PATENT );
#define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
{ \
0x387477c1, 0x69c7, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
}
typedef struct _EFI_SIMPLE_TEXT_INPUT_PROTOCOL EFI_SIMPLE_TEXT_INPUT_PROTOCOL;
///
/// Protocol GUID name defined in EFI1.1.
///
#define SIMPLE_INPUT_PROTOCOL EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID
///
/// Protocol name in EFI1.1 for backward-compatible.
///
typedef struct _EFI_SIMPLE_TEXT_INPUT_PROTOCOL SIMPLE_INPUT_INTERFACE;
///
/// The keystroke information for the key that was pressed.
///
typedef struct {
UINT16 ScanCode;
CHAR16 UnicodeChar;
} EFI_INPUT_KEY;
//
// Required unicode control chars
//
#define CHAR_BACKSPACE 0x0008
#define CHAR_TAB 0x0009
#define CHAR_LINEFEED 0x000A
#define CHAR_CARRIAGE_RETURN 0x000D
//
// EFI Scan codes
//
#define SCAN_NULL 0x0000
#define SCAN_UP 0x0001
#define SCAN_DOWN 0x0002
#define SCAN_RIGHT 0x0003
#define SCAN_LEFT 0x0004
#define SCAN_HOME 0x0005
#define SCAN_END 0x0006
#define SCAN_INSERT 0x0007
#define SCAN_DELETE 0x0008
#define SCAN_PAGE_UP 0x0009
#define SCAN_PAGE_DOWN 0x000A
#define SCAN_F1 0x000B
#define SCAN_F2 0x000C
#define SCAN_F3 0x000D
#define SCAN_F4 0x000E
#define SCAN_F5 0x000F
#define SCAN_F6 0x0010
#define SCAN_F7 0x0011
#define SCAN_F8 0x0012
#define SCAN_F9 0x0013
#define SCAN_F10 0x0014
#define SCAN_ESC 0x0017
/**
Reset the input device and optionally run diagnostics
@param This Protocol instance pointer.
@param ExtendedVerification Driver may perform diagnostics on reset.
@retval EFI_SUCCESS The device was reset.
@retval EFI_DEVICE_ERROR The device is not functioning properly and could not be reset.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_INPUT_RESET)(
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
);
/**
Reads the next keystroke from the input device. The WaitForKey Event can
be used to test for existence of a keystroke via WaitForEvent () call.
@param This Protocol instance pointer.
@param Key A pointer to a buffer that is filled in with the keystroke
information for the key that was pressed.
@retval EFI_SUCCESS The keystroke information was returned.
@retval EFI_NOT_READY There was no keystroke data available.
@retval EFI_DEVICE_ERROR The keystroke information was not returned due to
hardware errors.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_INPUT_READ_KEY)(
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
OUT EFI_INPUT_KEY *Key
);
///
/// The EFI_SIMPLE_TEXT_INPUT_PROTOCOL is used on the ConsoleIn device.
/// It is the minimum required protocol for ConsoleIn.
///
struct _EFI_SIMPLE_TEXT_INPUT_PROTOCOL {
EFI_INPUT_RESET Reset;
EFI_INPUT_READ_KEY ReadKeyStroke;
///
/// Event to use with WaitForEvent() to wait for a key to be available
///
EFI_EVENT WaitForKey;
};
extern EFI_GUID gEfiSimpleTextInProtocolGuid;
#endif
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