-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathmouse_example.c
More file actions
90 lines (84 loc) · 3.03 KB
/
mouse_example.c
File metadata and controls
90 lines (84 loc) · 3.03 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
/*
* Copyright (c) 2011, Intel Corporation
* Modified by :Puck Meerburg
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "efibind.h"
#include "efidef.h"
#include "efidevp.h"
#include "eficon.h"
#include "efiapi.h"
#include "efierr.h"
#include "efiprot.h"
#include "mouse.h"
static EFI_GUID SimplePointerProtocolGUID = EFI_SIMPLE_POINTER_PROTOCOL_GUID;
void printInt(SIMPLE_TEXT_OUTPUT_INTERFACE *conOut, int value) {
CHAR16 out[32];
CHAR16 *ptr = out;
if (value == 0) {
conOut->OutputString(conOut, L"0");
return;
}
ptr += 31;
*--ptr = 0;
int tmp = value;// >= 0 ? value : -value;
while (tmp) {
*--ptr = '0' + tmp % 10;
tmp /= 10;
}
if (value < 0) *--ptr = '-';
conOut->OutputString(conOut, ptr);
}
/**
* efi_main - The entry point for the EFI application
* @image: firmware-allocated handle that identifies the image
* @SystemTable: EFI system table
*/
EFI_STATUS
efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *systemTable)
{
EFI_BOOT_SERVICES *bs = systemTable->BootServices;
SIMPLE_TEXT_OUTPUT_INTERFACE *conOut = systemTable->ConOut;
EFI_SIMPLE_POINTER_PROTOCOL *protocol;
EFI_STATUS status = bs->LocateProtocol(&SimplePointerProtocolGUID, NULL, (void**)&protocol);
if (EFI_ERROR(status) || protocol == NULL) {
conOut->OutputString(conOut, L"Failed to init pointer!\r\n");
return status;
}
EFI_EVENT *mouseEvent = &protocol->WaitForInput;
UINTN indie;
while(bs->WaitForEvent(1, mouseEvent, &indie) == EFI_SUCCESS) {
EFI_SIMPLE_POINTER_STATE state;
protocol->GetState(protocol, &state);
conOut->OutputString(conOut, L"Current X: ");
printInt(conOut, state.RelativeMovementX);
conOut->OutputString(conOut, L", Current Y: ");
printInt(conOut, state.RelativeMovementY);
conOut->OutputString(conOut, L"\r\n");
}
return EFI_SUCCESS;
}