mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-24 16:27:42 +01:00
100 lines
2.0 KiB
C++
100 lines
2.0 KiB
C++
/*
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* BasicIO.cpp
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*
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* Created on: 28 Mar 2020
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*
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*/
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#include <stdio.h>
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#include "BasicIO.h"
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//#include "EfiExternals.h"
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extern "C" {
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#include "Library/UefiBootServicesTableLib.h"
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}
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//
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// Keyboard input
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//
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BOOLEAN ReadAllKeyStrokes(VOID)
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{
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BOOLEAN GotKeyStrokes;
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EFI_STATUS Status;
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EFI_INPUT_KEY key;
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GotKeyStrokes = FALSE;
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for (;;) {
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Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &key);
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if (Status == EFI_SUCCESS) {
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GotKeyStrokes = TRUE;
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continue;
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}
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break;
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}
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return GotKeyStrokes;
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}
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VOID PauseForKey(CONST CHAR16* msg)
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{
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UINTN index;
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if (msg) {
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printf("\n %ls", msg);
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}
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printf("\n* Hit any key to continue *");
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if (ReadAllKeyStrokes()) { // remove buffered key strokes
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gBS->Stall(5000000); // 5 seconds delay
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ReadAllKeyStrokes(); // empty the buffer again
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}
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gBS->WaitForEvent(1, &gST->ConIn->WaitForKey, &index);
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ReadAllKeyStrokes(); // empty the buffer to protect the menu
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printf("\n");
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}
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// Jief, TODO : not sure of the difference between this and PauseForKey. Looks like none. Can it be removed ?
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VOID
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WaitForKeyPress(
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CHAR16 *Message
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)
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{
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EFI_STATUS Status;
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UINTN index;
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EFI_INPUT_KEY key;
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printf("%ls", Message);
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do {
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Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &key);
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} while(Status == EFI_SUCCESS);
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gBS->WaitForEvent(1, &gST->ConIn->WaitForKey, &index);
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do {
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Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &key);
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} while(Status == EFI_SUCCESS);
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}
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//#if REFIT_DEBUG > 0
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//VOID DebugPause(VOID)
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//{
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// // show console and wait for key
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// SwitchToText(FALSE);
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// PauseForKey(L"");
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//
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// // reset error flag
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// haveError = FALSE;
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//}
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//#endif
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VOID EndlessIdleLoop(VOID)
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{
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UINTN index;
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for (;;) {
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ReadAllKeyStrokes();
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gBS->WaitForEvent(1, &gST->ConIn->WaitForKey, &index);
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}
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}
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