mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-09 19:36:47 +00:00
221 lines
5.1 KiB
C
221 lines
5.1 KiB
C
#pragma once
|
||
|
||
#include "../../common/glib.h"
|
||
|
||
#define PS2_KEYBOARD_INTR_VECTOR 0x21 // 键盘的中断向量号
|
||
|
||
// 定义键盘循环队列缓冲区大小为100bytes
|
||
#define ps2_keyboard_buffer_size 100
|
||
|
||
/**
|
||
* @brief 键盘循环队列缓冲区结构体
|
||
*
|
||
*/
|
||
struct ps2_keyboard_input_buffer
|
||
{
|
||
unsigned char *ptr_head;
|
||
unsigned char *ptr_tail;
|
||
int count;
|
||
unsigned char buffer[ps2_keyboard_buffer_size];
|
||
};
|
||
|
||
#define PORT_PS2_KEYBOARD_DATA 0x60
|
||
#define PORT_PS2_KEYBOARD_STATUS 0x64
|
||
#define PORT_PS2_KEYBOARD_CONTROL 0x64
|
||
|
||
#define PS2_KEYBOARD_COMMAND_WRITE 0x60 // 向键盘发送配置命令
|
||
#define PS2_KEYBOARD_COMMAND_READ 0x20 // 读取键盘的配置值
|
||
#define PS2_KEYBOARD_PARAM_INIT 0x47 // 初始化键盘控制器的配置值
|
||
|
||
// ========= 检测键盘控制器输入/输出缓冲区是否已满
|
||
#define PS2_KEYBOARD_FLAG_OUTBUF_FULL 0x01 // 键盘的输出缓冲区已满标志位
|
||
#define PS2_KEYBOARD_FLAG_INBUF_FULL 0x02 // 键盘的输入缓冲区已满标志位
|
||
|
||
// 等待向键盘控制器写入信息完成
|
||
#define wait_ps2_keyboard_write() while (io_in8(PORT_PS2_KEYBOARD_STATUS) & PS2_KEYBOARD_FLAG_INBUF_FULL)
|
||
// 等待从键盘控制器读取信息完成
|
||
#define wait_ps2_keyboard_read() while (io_in8(PORT_PS2_KEYBOARD_STATUS) & PS2_KEYBOARD_FLAG_OUTBUF_FULL)
|
||
|
||
// 128个按键, 每个按键包含普通按键和shift+普通按键两种状态
|
||
#define NUM_SCAN_CODES 0x80
|
||
#define MAP_COLS 2
|
||
|
||
#define PAUSE_BREAK 1
|
||
#define PRINT_SCREEN 2
|
||
#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）
|
||
#define FLAG_BREAK 0X80
|
||
|
||
// 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
|
||
uint 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 初始化键盘驱动程序的函数
|
||
*
|
||
*/
|
||
void ps2_keyboard_init();
|
||
|
||
/**
|
||
* @brief 键盘驱动卸载函数
|
||
*
|
||
*/
|
||
void ps2_keyboard_exit();
|
||
|
||
/**
|
||
* @brief 解析键盘扫描码
|
||
*
|
||
*/
|
||
void ps2_keyboard_analyze_keycode();
|
||
|
||
/**
|
||
* @brief 从缓冲队列中获取键盘扫描码
|
||
* @return 键盘扫描码
|
||
* 若缓冲队列为空则返回-1
|
||
*/
|
||
int ps2_keyboard_get_scancode(); |