mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-08 18:26:48 +00:00
74bde36e01
* 更改编译器的Include路径，使得include时不需要加`<libc/src/include/>`前缀 * 修改include路径 Co-authored-by: longjin <longjin@RinGoTek.cn>
533 lines
11 KiB
C
533 lines
11 KiB
C
#include "keyboard.h"
|
||
#include <unistd.h>
|
||
|
||
// 功能键标志变量
|
||
static bool shift_l = 0, shift_r = 0, ctrl_l = 0, ctrl_r = 0, alt_l = 0, alt_r = 0;
|
||
static bool gui_l = 0, gui_r = 0, apps = 0, insert = 0, home = 0, pgup = 0, del = 0, end = 0, pgdn = 0, arrow_u = 0, arrow_l = 0, arrow_d = 0, arrow_r = 0;
|
||
static bool kp_forward_slash = 0, kp_en = 0;
|
||
|
||
// 键盘扫描码有三种：
|
||
// 0xE1开头的PauseBreak键
|
||
// 0xE0开头的功能键
|
||
// 1byte的普通按键
|
||
|
||
// pause break键的扫描码，没错，它就是这么长
|
||
unsigned char pause_break_scan_code[] = {0xe1, 0x1d, 0x45, 0xe1, 0x9d, 0xc5};
|
||
|
||
// 第一套键盘扫描码 及其对应的字符
|
||
uint32_t keycode_map_normal[NUM_SCAN_CODES * MAP_COLS] =
|
||
{
|
||
/*scan-code unShift Shift */
|
||
/*--------------------------------------------------------------*/
|
||
/*0x00*/ 0,
|
||
0,
|
||
/*0x01*/ 0,
|
||
0, // ESC
|
||
/*0x02*/ '1',
|
||
'!',
|
||
/*0x03*/ '2',
|
||
'@',
|
||
/*0x04*/ '3',
|
||
'#',
|
||
/*0x05*/ '4',
|
||
'$',
|
||
/*0x06*/ '5',
|
||
'%',
|
||
/*0x07*/ '6',
|
||
'^',
|
||
/*0x08*/ '7',
|
||
'&',
|
||
/*0x09*/ '8',
|
||
'*',
|
||
/*0x0a*/ '9',
|
||
'(',
|
||
/*0x0b*/ '0',
|
||
')',
|
||
/*0x0c*/ '-',
|
||
'_',
|
||
/*0x0d*/ '=',
|
||
'+',
|
||
/*0x0e*/ '\b',
|
||
'\b', // BACKSPACE
|
||
/*0x0f*/ '\t',
|
||
'\t', // TAB
|
||
|
||
/*0x10*/ 'q',
|
||
'Q',
|
||
/*0x11*/ 'w',
|
||
'W',
|
||
/*0x12*/ 'e',
|
||
'E',
|
||
/*0x13*/ 'r',
|
||
'R',
|
||
/*0x14*/ 't',
|
||
'T',
|
||
/*0x15*/ 'y',
|
||
'Y',
|
||
/*0x16*/ 'u',
|
||
'U',
|
||
/*0x17*/ 'i',
|
||
'I',
|
||
/*0x18*/ 'o',
|
||
'O',
|
||
/*0x19*/ 'p',
|
||
'P',
|
||
/*0x1a*/ '[',
|
||
'{',
|
||
/*0x1b*/ ']',
|
||
'}',
|
||
/*0x1c*/ '\n',
|
||
'\n', // ENTER
|
||
/*0x1d*/ 0x1d,
|
||
0x1d, // CTRL Left
|
||
/*0x1e*/ 'a',
|
||
'A',
|
||
/*0x1f*/ 's',
|
||
'S',
|
||
|
||
/*0x20*/ 'd',
|
||
'D',
|
||
/*0x21*/ 'f',
|
||
'F',
|
||
/*0x22*/ 'g',
|
||
'G',
|
||
/*0x23*/ 'h',
|
||
'H',
|
||
/*0x24*/ 'j',
|
||
'J',
|
||
/*0x25*/ 'k',
|
||
'K',
|
||
/*0x26*/ 'l',
|
||
'L',
|
||
/*0x27*/ ';',
|
||
':',
|
||
/*0x28*/ '\'',
|
||
'"',
|
||
/*0x29*/ '`',
|
||
'~',
|
||
/*0x2a*/ 0x2a,
|
||
0x2a, // SHIFT Left
|
||
/*0x2b*/ '\\',
|
||
'|',
|
||
/*0x2c*/ 'z',
|
||
'Z',
|
||
/*0x2d*/ 'x',
|
||
'X',
|
||
/*0x2e*/ 'c',
|
||
'C',
|
||
/*0x2f*/ 'v',
|
||
'V',
|
||
|
||
/*0x30*/ 'b',
|
||
'B',
|
||
/*0x31*/ 'n',
|
||
'N',
|
||
/*0x32*/ 'm',
|
||
'M',
|
||
/*0x33*/ ',',
|
||
'<',
|
||
/*0x34*/ '.',
|
||
'>',
|
||
/*0x35*/ '/',
|
||
'?',
|
||
/*0x36*/ 0x36,
|
||
0x36, // SHIFT Right
|
||
/*0x37*/ '*',
|
||
'*',
|
||
/*0x38*/ 0x38,
|
||
0x38, // ALT Left
|
||
/*0x39*/ ' ',
|
||
' ',
|
||
/*0x3a*/ 0,
|
||
0, // CAPS LOCK
|
||
/*0x3b*/ 0,
|
||
0, // F1
|
||
/*0x3c*/ 0,
|
||
0, // F2
|
||
/*0x3d*/ 0,
|
||
0, // F3
|
||
/*0x3e*/ 0,
|
||
0, // F4
|
||
/*0x3f*/ 0,
|
||
0, // F5
|
||
|
||
/*0x40*/ 0,
|
||
0, // F6
|
||
/*0x41*/ 0,
|
||
0, // F7
|
||
/*0x42*/ 0,
|
||
0, // F8
|
||
/*0x43*/ 0,
|
||
0, // F9
|
||
/*0x44*/ 0,
|
||
0, // F10
|
||
/*0x45*/ 0,
|
||
0, // NUM LOCK
|
||
/*0x46*/ 0,
|
||
0, // SCROLL LOCK
|
||
/*0x47*/ '7',
|
||
0, /*PAD HONE*/
|
||
/*0x48*/ '8',
|
||
0, /*PAD UP*/
|
||
/*0x49*/ '9',
|
||
0, /*PAD PAGEUP*/
|
||
/*0x4a*/ '-',
|
||
0, /*PAD MINUS*/
|
||
/*0x4b*/ '4',
|
||
0, /*PAD LEFT*/
|
||
/*0x4c*/ '5',
|
||
0, /*PAD MID*/
|
||
/*0x4d*/ '6',
|
||
0, /*PAD RIGHT*/
|
||
/*0x4e*/ '+',
|
||
0, /*PAD PLUS*/
|
||
/*0x4f*/ '1',
|
||
0, /*PAD END*/
|
||
|
||
/*0x50*/ '2',
|
||
0, /*PAD DOWN*/
|
||
/*0x51*/ '3',
|
||
0, /*PAD PAGEDOWN*/
|
||
/*0x52*/ '0',
|
||
0, /*PAD INS*/
|
||
/*0x53*/ '.',
|
||
0, /*PAD DOT*/
|
||
/*0x54*/ 0,
|
||
0,
|
||
/*0x55*/ 0,
|
||
0,
|
||
/*0x56*/ 0,
|
||
0,
|
||
/*0x57*/ 0,
|
||
0, // F11
|
||
/*0x58*/ 0,
|
||
0, // F12
|
||
/*0x59*/ 0,
|
||
0,
|
||
/*0x5a*/ 0,
|
||
0,
|
||
/*0x5b*/ 0,
|
||
0,
|
||
/*0x5c*/ 0,
|
||
0,
|
||
/*0x5d*/ 0,
|
||
0,
|
||
/*0x5e*/ 0,
|
||
0,
|
||
/*0x5f*/ 0,
|
||
0,
|
||
|
||
/*0x60*/ 0,
|
||
0,
|
||
/*0x61*/ 0,
|
||
0,
|
||
/*0x62*/ 0,
|
||
0,
|
||
/*0x63*/ 0,
|
||
0,
|
||
/*0x64*/ 0,
|
||
0,
|
||
/*0x65*/ 0,
|
||
0,
|
||
/*0x66*/ 0,
|
||
0,
|
||
/*0x67*/ 0,
|
||
0,
|
||
/*0x68*/ 0,
|
||
0,
|
||
/*0x69*/ 0,
|
||
0,
|
||
/*0x6a*/ 0,
|
||
0,
|
||
/*0x6b*/ 0,
|
||
0,
|
||
/*0x6c*/ 0,
|
||
0,
|
||
/*0x6d*/ 0,
|
||
0,
|
||
/*0x6e*/ 0,
|
||
0,
|
||
/*0x6f*/ 0,
|
||
0,
|
||
|
||
/*0x70*/ 0,
|
||
0,
|
||
/*0x71*/ 0,
|
||
0,
|
||
/*0x72*/ 0,
|
||
0,
|
||
/*0x73*/ 0,
|
||
0,
|
||
/*0x74*/ 0,
|
||
0,
|
||
/*0x75*/ 0,
|
||
0,
|
||
/*0x76*/ 0,
|
||
0,
|
||
/*0x77*/ 0,
|
||
0,
|
||
/*0x78*/ 0,
|
||
0,
|
||
/*0x79*/ 0,
|
||
0,
|
||
/*0x7a*/ 0,
|
||
0,
|
||
/*0x7b*/ 0,
|
||
0,
|
||
/*0x7c*/ 0,
|
||
0,
|
||
/*0x7d*/ 0,
|
||
0,
|
||
/*0x7e*/ 0,
|
||
0,
|
||
/*0x7f*/ 0,
|
||
0,
|
||
};
|
||
|
||
/**
|
||
* @brief 解析键盘扫描码
|
||
*
|
||
*/
|
||
int keyboard_analyze_keycode(int fd)
|
||
{
|
||
bool flag_make = false;
|
||
|
||
int c = keyboard_get_scancode(fd);
|
||
// 循环队列为空
|
||
if (c == -1)
|
||
return 0;
|
||
|
||
unsigned char scancode = (unsigned char)c;
|
||
|
||
int key = 0;
|
||
if (scancode == 0xE1) // Pause Break
|
||
{
|
||
key = PAUSE_BREAK;
|
||
// 清除缓冲区中剩下的扫描码
|
||
for (int i = 1; i < 6; ++i)
|
||
if (keyboard_get_scancode(fd) != pause_break_scan_code[i])
|
||
{
|
||
key = 0;
|
||
break;
|
||
}
|
||
}
|
||
else if (scancode == 0xE0) // 功能键, 有多个扫描码
|
||
{
|
||
// 获取下一个扫描码
|
||
scancode = keyboard_get_scancode(fd);
|
||
switch (scancode)
|
||
{
|
||
case 0x2a: // print screen 按键被按下
|
||
if (keyboard_get_scancode(fd) == 0xe0)
|
||
if (keyboard_get_scancode(fd) == 0x37)
|
||
{
|
||
key = PRINT_SCREEN;
|
||
flag_make = true;
|
||
}
|
||
break;
|
||
case 0xb7: // print screen 按键被松开
|
||
if (keyboard_get_scancode(fd) == 0xe0)
|
||
if (keyboard_get_scancode(fd) == 0xaa)
|
||
{
|
||
key = PRINT_SCREEN;
|
||
flag_make = false;
|
||
}
|
||
break;
|
||
case 0x1d: // 按下右边的ctrl
|
||
ctrl_r = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x9d: // 松开右边的ctrl
|
||
ctrl_r = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x38: // 按下右边的alt
|
||
alt_r = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xb8: // 松开右边的alt
|
||
alt_r = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x5b:
|
||
gui_l = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xdb:
|
||
gui_l = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x5c:
|
||
gui_r = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xdc:
|
||
gui_r = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x5d:
|
||
apps = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xdd:
|
||
apps = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x52:
|
||
insert = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xd2:
|
||
insert = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x47:
|
||
home = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xc7:
|
||
home = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x49:
|
||
pgup = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xc9:
|
||
pgup = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x53:
|
||
del = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xd3:
|
||
del = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x4f:
|
||
end = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xcf:
|
||
end = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x51:
|
||
pgdn = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xd1:
|
||
pgdn = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x48:
|
||
arrow_u = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xc8:
|
||
arrow_u = false;
|
||
key = OTHER_KEY;
|
||
return 0xc8;
|
||
break;
|
||
case 0x4b:
|
||
arrow_l = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xcb:
|
||
arrow_l = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x50:
|
||
arrow_d = true;
|
||
key = OTHER_KEY;
|
||
return 0x50;
|
||
break;
|
||
case 0xd0:
|
||
arrow_d = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x4d:
|
||
arrow_r = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xcd:
|
||
arrow_r = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
|
||
case 0x35: // 数字小键盘的 / 符号
|
||
kp_forward_slash = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0xb5:
|
||
kp_forward_slash = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x1c:
|
||
kp_en = true;
|
||
key = OTHER_KEY;
|
||
break;
|
||
case 0x9c:
|
||
kp_en = false;
|
||
key = OTHER_KEY;
|
||
break;
|
||
|
||
default:
|
||
key = OTHER_KEY;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (key == 0) // 属于第三类扫描码
|
||
{
|
||
// 判断按键是被按下还是抬起
|
||
flag_make = ((scancode & FLAG_BREAK) ? 0 : 1);
|
||
|
||
// 计算扫描码位于码表的第几行
|
||
uint32_t *key_row = &keycode_map_normal[(scancode & 0x7f) * MAP_COLS];
|
||
unsigned char col = 0;
|
||
// shift被按下
|
||
if (shift_l || shift_r)
|
||
col = 1;
|
||
key = key_row[col];
|
||
|
||
switch (scancode & 0x7f)
|
||
{
|
||
case 0x2a:
|
||
shift_l = flag_make;
|
||
key = 0;
|
||
break;
|
||
case 0x36:
|
||
shift_r = flag_make;
|
||
key = 0;
|
||
break;
|
||
case 0x1d:
|
||
ctrl_l = flag_make;
|
||
key = 0;
|
||
break;
|
||
case 0x38:
|
||
ctrl_r = flag_make;
|
||
key = 0;
|
||
break;
|
||
default:
|
||
if (!flag_make)
|
||
key = 0;
|
||
break;
|
||
}
|
||
if (key)
|
||
return key;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* @brief 从键盘设备文件中获取键盘扫描码
|
||
*
|
||
*/
|
||
int keyboard_get_scancode(int fd)
|
||
{
|
||
unsigned int ret = 0;
|
||
read(fd, &ret, 1);
|
||
return ret;
|
||
} |