From 52f83512d1ea8e43d7590f7e761302db13932a76 Mon Sep 17 00:00:00 2001 From: Konstantin Aladyshev Date: Mon, 28 Jun 2021 16:42:14 +0300 Subject: Add lesson 20 --- .../UefiLessonsPkg/InteractiveApp/InteractiveApp.c | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Lesson_20/UefiLessonsPkg/InteractiveApp/InteractiveApp.c (limited to 'Lesson_20/UefiLessonsPkg/InteractiveApp/InteractiveApp.c') diff --git a/Lesson_20/UefiLessonsPkg/InteractiveApp/InteractiveApp.c b/Lesson_20/UefiLessonsPkg/InteractiveApp/InteractiveApp.c new file mode 100644 index 0000000..59c89a9 --- /dev/null +++ b/Lesson_20/UefiLessonsPkg/InteractiveApp/InteractiveApp.c @@ -0,0 +1,34 @@ +#include +#include + +EFI_STATUS +EFIAPI +UefiMain ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + UINTN Index; + EFI_INPUT_KEY Key; + + Print(L"Try to guess the secret symbol!\n"); + Print(L"To quit press 'q'\n"); + + while(TRUE) { + gBS->WaitForEvent(1, &(gST->ConIn->WaitForKey), &Index); + gST->ConIn->ReadKeyStroke(gST->ConIn, &Key); + Print(L"ScanCode = %04x, UnicodeChar = %04x (%c)\n", Key.ScanCode, Key.UnicodeChar, Key.UnicodeChar); + + if (Key.UnicodeChar == 'k') { + Print(L"Correct!\n"); + break; + } else if (Key.UnicodeChar == 'q') { + Print(L"Bye!\n"); + break; + } else { + Print(L"Wrong!\n"); + } + } + gST->ConIn->Reset(gST->ConIn, FALSE); + return EFI_SUCCESS; +} -- cgit v1.2.3-18-g5258