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https://github.com/acidanthera/OpenCorePkg.git
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57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/** @file
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Test keyboard input through standard protocol.
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Copyright (c) 2020, vit9696. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Uefi.h>
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#include <Library/UefiLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiApplicationEntryPoint.h>
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EFI_STATUS
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EFIAPI
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UefiMain (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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UINTN EventIndex;
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EFI_INPUT_KEY Key;
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STATIC CHAR16 Output[] = L"Received symbol: \r\n";
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do {
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//
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// Read a key
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//
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gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &EventIndex);
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ZeroMem (&Key, sizeof (Key));
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Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
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if (EFI_ERROR (Status)) {
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if (Status == EFI_NOT_READY) {
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continue;
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}
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break;
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}
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Output[ARRAY_SIZE (Output) - 4] = Key.UnicodeChar;
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gST->ConOut->OutputString (gST->ConOut, Output);
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DEBUG ((DEBUG_INFO, "KKT: Received %X %X\n", Key.ScanCode, Key.UnicodeChar));
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} while (TRUE);
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return EFI_SUCCESS;
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}
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