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https://github.com/DragonOS-Community/DragonOS.git
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219 lines
4.9 KiB
C
219 lines
4.9 KiB
C
#pragma once
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#include "../../common/glib.h"
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// 定义键盘循环队列缓冲区大小为100bytes
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#define keyboard_buffer_size 100
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/**
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* @brief 键盘循环队列缓冲区结构体
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*
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*/
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struct keyboard_input_buffer
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{
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unsigned char *ptr_head;
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unsigned char *ptr_tail;
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int count;
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unsigned char buffer[keyboard_buffer_size];
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};
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#define PORT_KEYBOARD_DATA 0x60
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#define PORT_KEYBOARD_STATUS 0x64
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#define PORT_KEYBOARD_CONTROL 0x64
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#define KEYBOARD_COMMAND_WRITE 0x60 // 向键盘发送配置命令
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#define KEYBOARD_COMMAND_READ 0x20 // 读取键盘的配置值
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#define KEYBOARD_PARAM_INIT 0x47 // 初始化键盘控制器的配置值
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// ========= 检测键盘输入/输出缓冲区是否已满
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#define KEYBOARD_FLAG_OUTBUF_FULL 0x01 // 键盘的输出缓冲区已满标志位
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#define KEYBOARD_FLAG_INBUF_FULL 0x02 // 键盘的输入缓冲区已满标志位
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// 等待向键盘控制器写入信息完成
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#define wait_keyboard_write() while (io_in8(PORT_KEYBOARD_STATUS) & KEYBOARD_FLAG_INBUF_FULL)
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// 等待从键盘控制器读取信息完成
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#define wait_keyboard_read() while (io_in8(PORT_KEYBOARD_STATUS) & KEYBOARD_FLAG_OUTBUF_FULL)
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// 128个按键, 每个按键包含普通按键和shift+普通按键两种状态
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#define NUM_SCAN_CODES 0x80
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#define MAP_COLS 2
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#define PAUSE_BREAK 1
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#define PRINT_SCREEN 2
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#define OTHER_KEY 4 // 除了上面两个按键以外的功能按键（不包括下面的第三类按键）
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#define FLAG_BREAK 0X80
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// 键盘扫描码有三种：
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// 0xE1开头的PauseBreak键
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// 0xE0开头的功能键
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// 1byte的普通按键
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// pause break键的扫描码，没错，它就是这么长
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unsigned char pause_break_scan_code[] = {0xe1, 0x1d, 0x45, 0xe1, 0x9d, 0xc5};
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// 第一套键盘扫描码 及其对应的字符
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uint keycode_map_normal[NUM_SCAN_CODES*MAP_COLS] =
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{
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/*scan-code unShift Shift */
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/*--------------------------------------------------------------*/
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/*0x00*/ 0, 0,
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/*0x01*/ 0, 0, //ESC
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/*0x02*/ '1', '!',
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/*0x03*/ '2', '@',
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/*0x04*/ '3', '#',
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/*0x05*/ '4', '$',
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/*0x06*/ '5', '%',
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/*0x07*/ '6', '^',
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/*0x08*/ '7', '&',
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/*0x09*/ '8', '*',
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/*0x0a*/ '9', '(',
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/*0x0b*/ '0', ')',
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/*0x0c*/ '-', '_',
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/*0x0d*/ '=', '+',
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/*0x0e*/ 0, 0, //BACKSPACE
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/*0x0f*/ 0, 0, //TAB
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/*0x10*/ 'q', 'Q',
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/*0x11*/ 'w', 'W',
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/*0x12*/ 'e', 'E',
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/*0x13*/ 'r', 'R',
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/*0x14*/ 't', 'T',
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/*0x15*/ 'y', 'Y',
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/*0x16*/ 'u', 'U',
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/*0x17*/ 'i', 'I',
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/*0x18*/ 'o', 'O',
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/*0x19*/ 'p', 'P',
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/*0x1a*/ '[', '{',
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/*0x1b*/ ']', '}',
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/*0x1c*/ 0, 0, //ENTER
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/*0x1d*/ 0x1d, 0x1d, //CTRL Left
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/*0x1e*/ 'a', 'A',
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/*0x1f*/ 's', 'S',
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/*0x20*/ 'd', 'D',
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/*0x21*/ 'f', 'F',
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/*0x22*/ 'g', 'G',
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/*0x23*/ 'h', 'H',
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/*0x24*/ 'j', 'J',
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/*0x25*/ 'k', 'K',
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/*0x26*/ 'l', 'L',
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/*0x27*/ ';', ':',
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/*0x28*/ '\'', '"',
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/*0x29*/ '`', '~',
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/*0x2a*/ 0x2a, 0x2a, //SHIFT Left
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/*0x2b*/ '\\', '|',
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/*0x2c*/ 'z', 'Z',
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/*0x2d*/ 'x', 'X',
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/*0x2e*/ 'c', 'C',
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/*0x2f*/ 'v', 'V',
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/*0x30*/ 'b', 'B',
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/*0x31*/ 'n', 'N',
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/*0x32*/ 'm', 'M',
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/*0x33*/ ',', '<',
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/*0x34*/ '.', '>',
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/*0x35*/ '/', '?',
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/*0x36*/ 0x36, 0x36, //SHIFT Right
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/*0x37*/ '*', '*',
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/*0x38*/ 0x38, 0x38, //ALT Left
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/*0x39*/ ' ', ' ',
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/*0x3a*/ 0, 0, //CAPS LOCK
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/*0x3b*/ 0, 0, //F1
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/*0x3c*/ 0, 0, //F2
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/*0x3d*/ 0, 0, //F3
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/*0x3e*/ 0, 0, //F4
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/*0x3f*/ 0, 0, //F5
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/*0x40*/ 0, 0, //F6
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/*0x41*/ 0, 0, //F7
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/*0x42*/ 0, 0, //F8
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/*0x43*/ 0, 0, //F9
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/*0x44*/ 0, 0, //F10
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/*0x45*/ 0, 0, //NUM LOCK
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/*0x46*/ 0, 0, //SCROLL LOCK
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/*0x47*/ '7', 0, /*PAD HONE*/
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/*0x48*/ '8', 0, /*PAD UP*/
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/*0x49*/ '9', 0, /*PAD PAGEUP*/
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/*0x4a*/ '-', 0, /*PAD MINUS*/
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/*0x4b*/ '4', 0, /*PAD LEFT*/
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/*0x4c*/ '5', 0, /*PAD MID*/
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/*0x4d*/ '6', 0, /*PAD RIGHT*/
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/*0x4e*/ '+', 0, /*PAD PLUS*/
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/*0x4f*/ '1', 0, /*PAD END*/
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/*0x50*/ '2', 0, /*PAD DOWN*/
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/*0x51*/ '3', 0, /*PAD PAGEDOWN*/
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/*0x52*/ '0', 0, /*PAD INS*/
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/*0x53*/ '.', 0, /*PAD DOT*/
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/*0x54*/ 0, 0,
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/*0x55*/ 0, 0,
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/*0x56*/ 0, 0,
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/*0x57*/ 0, 0, //F11
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/*0x58*/ 0, 0, //F12
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/*0x59*/ 0, 0,
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/*0x5a*/ 0, 0,
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/*0x5b*/ 0, 0,
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/*0x5c*/ 0, 0,
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/*0x5d*/ 0, 0,
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/*0x5e*/ 0, 0,
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/*0x5f*/ 0, 0,
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/*0x60*/ 0, 0,
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/*0x61*/ 0, 0,
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/*0x62*/ 0, 0,
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/*0x63*/ 0, 0,
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/*0x64*/ 0, 0,
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/*0x65*/ 0, 0,
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/*0x66*/ 0, 0,
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/*0x67*/ 0, 0,
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/*0x68*/ 0, 0,
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/*0x69*/ 0, 0,
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/*0x6a*/ 0, 0,
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/*0x6b*/ 0, 0,
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/*0x6c*/ 0, 0,
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/*0x6d*/ 0, 0,
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/*0x6e*/ 0, 0,
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/*0x6f*/ 0, 0,
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/*0x70*/ 0, 0,
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/*0x71*/ 0, 0,
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/*0x72*/ 0, 0,
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/*0x73*/ 0, 0,
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/*0x74*/ 0, 0,
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/*0x75*/ 0, 0,
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/*0x76*/ 0, 0,
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/*0x77*/ 0, 0,
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/*0x78*/ 0, 0,
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/*0x79*/ 0, 0,
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/*0x7a*/ 0, 0,
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/*0x7b*/ 0, 0,
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/*0x7c*/ 0, 0,
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/*0x7d*/ 0, 0,
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/*0x7e*/ 0, 0,
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/*0x7f*/ 0, 0,
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};
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/**
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* @brief 初始化键盘驱动程序的函数
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*
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*/
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void keyboard_init();
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/**
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* @brief 键盘驱动卸载函数
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*
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*/
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void keyboard_exit();
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/**
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* @brief 解析键盘扫描码
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*
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*/
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void keyboard_analyze_keycode();
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/**
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* @brief 从缓冲队列中获取键盘扫描码
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* @return 键盘扫描码
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* 若缓冲队列为空则返回-1
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*/
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int keyboard_get_scancode(); |