keyboard.h

来自「参照MINIX3写的操作系统 用GCC+NASM+BOCHS开发」· C头文件 代码 · 共 335 行

PUBLIC void KeyboardHandle();
PUBLIC void InitKeyboard();
PUBLIC void ReadScanCode(TTY *pTTY);
PUBLIC t_8  GetByteFromScanCode();
PUBLIC void InProcess(TTY *pTTY,t_32 Key);
PRIVATE void	SetLeds();
PRIVATE void	KbWait();
PRIVATE void	KbAck();
PRIVATE void  PutKey(TTY* pTTY, t_32 Key);
PRIVATE void SetCursor(unsigned int Position);
PRIVATE void SetVideoStartAddr(t_32 addr);
PRIVATE void SelectConsole(int nr_Console);
PUBLIC void ScrollScreen(CONSOLE *pConsole,int Direction);
PUBLIC void OutChar(CONSOLE *pConsole,char ch);
PUBLIC void InitScreen(TTY *pTTY);
PRIVATE void InitTTY(TTY *pTTY);
PUBLIC t_bool IsCurrentConsole(CONSOLE *pConsole);
PRIVATE void TTYRead(TTY *pTTY);
PRIVATE void TTYWrite(TTY *pTTY);
PUBLIC void sysTTYWrite(TTY *pTTY,char *buf,int len);
PUBLIC int sysWrite(char *buf,int len,int console);
PUBLIC char sysGetChar();
PUBLIC void initTTY();
PUBLIC void keyboardHandler(int Irq);

/*********************************************************************/
extern void waitEvent(int event);//keyboard
extern void wakeUpEvent(int event);//keyboard
extern void  LockIrq();//string
extern void  UnLock();//string
extern void OutByte(t_port Port,t_8 Value);//string

/*********************************************************************/

#define KB_IN_BYTES 16

#define NR_SCAN_CODES 0x80
#define MAP_COULMN 3

#define FLAG_BREAK 0x80         /* Break Code			*/
#define FLAG_EXT	0x0100		/* Normal function keys		*///非打印字符标志
#define FLAG_SHIFT_L	0x0200		/* Shift key			*/
#define FLAG_SHIFT_R	0x0400		/* Shift key			*/
#define FLAG_CTRL_L	0x0800		/* Control key			*/
#define FLAG_CTRL_R	0x1000		/* Control key			*/
#define FLAG_ALT_L	0x2000		/* Alternate key		*/
#define FLAG_ALT_R	0x4000		/* Alternate key		*/
#define FLAG_PAD	0x8000		/* keys in num pad		*/

#define MASK_RAW	0x01FF		/* raw key value = code passed to tty & MASK_RAW the value can be found either in the keymap column 0 or in the list belo*/
#define ESC		(0x01 + FLAG_EXT)	/* Esc		*/
#define TAB		(0x02 + FLAG_EXT)	/* Tab		*/
#define ENTER		(0x03 + FLAG_EXT)	/* Enter	*/
#define BACKSPACE	(0x04 + FLAG_EXT)	/* BackSpace	*/

#define GUI_L		(0x05 + FLAG_EXT)	/* L GUI	*/
#define GUI_R		(0x06 + FLAG_EXT)	/* R GUI	*/
#define APPS		(0x07 + FLAG_EXT)	/* APPS	*/

/* Shift, Ctrl, Alt */
#define SHIFT_L		(0x08 + FLAG_EXT)	/* L Shift	*/
#define SHIFT_R		(0x09 + FLAG_EXT)	/* R Shift	*/
#define CTRL_L		(0x0A + FLAG_EXT)	/* L Ctrl	*/
#define CTRL_R		(0x0B + FLAG_EXT)	/* R Ctrl	*/
#define ALT_L		(0x0C + FLAG_EXT)	/* L Alt	*/
#define ALT_R		(0x0D + FLAG_EXT)	/* R Alt	*/

/* Lock keys */
#define CAPS_LOCK	(0x0E + FLAG_EXT)	/* Caps Lock	*/
#define	NUM_LOCK	(0x0F + FLAG_EXT)	/* Number Lock	*/
#define SCROLL_LOCK	(0x10 + FLAG_EXT)	/* Scroll Lock	*/

/* Function keys */
#define F1		(0x11 + FLAG_EXT)	/* F1		*/
#define F2		(0x12 + FLAG_EXT)	/* F2		*/
#define F3		(0x13 + FLAG_EXT)	/* F3		*/
#define F4		(0x14 + FLAG_EXT)	/* F4		*/
#define F5		(0x15 + FLAG_EXT)	/* F5		*/
#define F6		(0x16 + FLAG_EXT)	/* F6		*/
#define F7		(0x17 + FLAG_EXT)	/* F7		*/
#define F8		(0x18 + FLAG_EXT)	/* F8		*/
#define F9		(0x19 + FLAG_EXT)	/* F9		*/
#define F10		(0x1A + FLAG_EXT)	/* F10		*/
#define F11		(0x1B + FLAG_EXT)	/* F11		*/
#define F12		(0x1C + FLAG_EXT)	/* F12		*/

/* Control Pad */
#define PRINTSCREEN	(0x1D + FLAG_EXT)	/* Print Screen	*/
#define PAUSEBREAK	(0x1E + FLAG_EXT)	/* Pause/Break	*/
#define INSERT		(0x1F + FLAG_EXT)	/* Insert	*/
#define DELETE		(0x20 + FLAG_EXT)	/* Delete	*/
#define HOME		(0x21 + FLAG_EXT)	/* Home		*/
#define END		(0x22 + FLAG_EXT)	/* End		*/
#define PAGEUP		(0x23 + FLAG_EXT)	/* Page Up	*/
#define PAGEDOWN	(0x24 + FLAG_EXT)	/* Page Down	*/
#define UP		(0x25 + FLAG_EXT)	/* Up		*/
#define DOWN		(0x26 + FLAG_EXT)	/* Down		*/
#define LEFT		(0x27 + FLAG_EXT)	/* Left		*/
#define RIGHT		(0x28 + FLAG_EXT)	/* Right	*/

/* ACPI keys */
#define POWER		(0x29 + FLAG_EXT)	/* Power	*/
//#define SLEEP		(0x2A + FLAG_EXT)	/* Sleep	*/
#define WAKE		(0x2B + FLAG_EXT)	/* Wake Up	*/

/* Num Pad */
#define PAD_SLASH	(0x2C + FLAG_EXT)	/* /		*/
#define PAD_STAR	(0x2D + FLAG_EXT)	/* *		*/
#define PAD_MINUS	(0x2E + FLAG_EXT)	/* -		*/
#define PAD_PLUS	(0x2F + FLAG_EXT)	/* +		*/
#define PAD_ENTER	(0x30 + FLAG_EXT)	/* Enter	*/
#define PAD_DOT		(0x31 + FLAG_EXT)	/* .		*/
#define PAD_0		(0x32 + FLAG_EXT)	/* 0		*/
#define PAD_1		(0x33 + FLAG_EXT)	/* 1		*/
#define PAD_2		(0x34 + FLAG_EXT)	/* 2		*/
#define PAD_3		(0x35 + FLAG_EXT)	/* 3		*/
#define PAD_4		(0x36 + FLAG_EXT)	/* 4		*/
#define PAD_5		(0x37 + FLAG_EXT)	/* 5		*/
#define PAD_6		(0x38 + FLAG_EXT)	/* 6		*/
#define PAD_7		(0x39 + FLAG_EXT)	/* 7		*/
#define PAD_8		(0x3A + FLAG_EXT)	/* 8		*/
#define PAD_9		(0x3B + FLAG_EXT)	/* 9		*/
#define PAD_UP		PAD_8			/* Up		*/
#define PAD_DOWN	PAD_2			/* Down		*/
#define PAD_LEFT	PAD_4			/* Left		*/
#define PAD_RIGHT	PAD_6			/* Right	*/
#define PAD_HOME	PAD_7			/* Home		*/
#define PAD_END		PAD_1			/* End		*/
#define PAD_PAGEUP	PAD_9			/* Page Up	*/
#define PAD_PAGEDOWN	PAD_3			/* Page Down	*/
#define PAD_INS		PAD_0			/* Ins		*/
#define PAD_MID		PAD_5			/* Middle key	*/
#define PAD_DEL		PAD_DOT			/* Del		*/

#define	KB_DATA		0x60	
#define	KB_CMD		0x64	
#define	LED_CODE	0xED
#define	KB_ACK		0xFA

//控制台
#define V_MEM_BASE 0xB8000

#define DEFAULT_CHAR_COLOR	0x07
#define V_MEM_SIZE 0x8000
#define CRTC_ADDR_REG 0x3d4
#define CRTC_DATA_REG 0x3d5
#define START_ADDR_H 0xc
#define START_ADDR_L 0xd
#define START_CURSOR_H 0xe
#define START_CURSOR_L 0xf

t_32 KeyMap[NR_SCAN_CODES *  MAP_COULMN] = {
/* scan-code			!Shift		Shift		E0 XX		*/
/* ==================================================================== */
/* 0x00 - none		*/	0,		0,		0,
/* 0x01 - ESC		*/	ESC,		ESC,		0,
/* 0x02 - '1'		*/	'1',		'!',		0,
/* 0x03 - '2'		*/	'2',		'@',		0,
/* 0x04 - '3'		*/	'3',		'#',		0,
/* 0x05 - '4'		*/	'4',		'$',		0,
/* 0x06 - '5'		*/	'5',		'%',		0,
/* 0x07 - '6'		*/	'6',		'^',		0,
/* 0x08 - '7'		*/	'7',		'&',		0,
/* 0x09 - '8'		*/	'8',		'*',		0,
/* 0x0A - '9'		*/	'9',		'(',		0,
/* 0x0B - '0'		*/	'0',		')',		0,
/* 0x0C - '-'		*/	'-',		'_',		0,
/* 0x0D - '='		*/	'=',		'+',		0,
/* 0x0E - BS		*/	BACKSPACE,	BACKSPACE,	0,
/* 0x0F - TAB		*/	TAB,		TAB,		0,
/* 0x10 - 'q'		*/	'q',		'Q',		0,
/* 0x11 - 'w'		*/	'w',		'W',		0,
/* 0x12 - 'e'		*/	'e',		'E',		0,
/* 0x13 - 'r'		*/	'r',		'R',		0,
/* 0x14 - 't'		*/	't',		'T',		0,
/* 0x15 - 'y'		*/	'y',		'Y',		0,
/* 0x16 - 'u'		*/	'u',		'U',		0,
/* 0x17 - 'i'		*/	'i',		'I',		0,
/* 0x18 - 'o'		*/	'o',		'O',		0,
/* 0x19 - 'p'		*/	'p',		'P',		0,
/* 0x1A - '['		*/	'[',		'{',		0,
/* 0x1B - ']'		*/	']',		'}',		0,
/* 0x1C - CR/LF		*/	ENTER,		ENTER,		PAD_ENTER,
/* 0x1D - l. Ctrl	*/	CTRL_L,		CTRL_L,		CTRL_R,
/* 0x1E - 'a'		*/	'a',		'A',		0,
/* 0x1F - 's'		*/	's',		'S',		0,
/* 0x20 - 'd'		*/	'd',		'D',		0,
/* 0x21 - 'f'		*/	'f',		'F',		0,
/* 0x22 - 'g'		*/	'g',		'G',		0,
/* 0x23 - 'h'		*/	'h',		'H',		0,
/* 0x24 - 'j'		*/	'j',		'J',		0,
/* 0x25 - 'k'		*/	'k',		'K',		0,
/* 0x26 - 'l'		*/	'l',		'L',		0,
/* 0x27 - ';'		*/	';',		':',		0,
/* 0x28 - '\''		*/	'\'',		'"',		0,
/* 0x29 - '`'		*/	'`',		'~',		0,
/* 0x2A - l. SHIFT	*/	SHIFT_L,	SHIFT_L,	0,
/* 0x2B - '\'		*/	'\\',		'|',		0,
/* 0x2C - 'z'		*/	'z',		'Z',		0,
/* 0x2D - 'x'		*/	'x',		'X',		0,
/* 0x2E - 'c'		*/	'c',		'C',		0,
/* 0x2F - 'v'		*/	'v',		'V',		0,
/* 0x30 - 'b'		*/	'b',		'B',		0,
/* 0x31 - 'n'		*/	'n',		'N',		0,
/* 0x32 - 'm'		*/	'm',		'M',		0,
/* 0x33 - ','		*/	',',		'<',		0,
/* 0x34 - '.'		*/	'.',		'>',		0,
/* 0x35 - '/'		*/	'/',		'?',		PAD_SLASH,
/* 0x36 - r. SHIFT	*/	SHIFT_R,	SHIFT_R,	0,
/* 0x37 - '*'		*/	'*',		'*',    	0,
/* 0x38 - ALT		*/	ALT_L,		ALT_L,  	ALT_R,
/* 0x39 - ' '		*/	' ',		' ',		0,
/* 0x3A - CapsLock	*/	CAPS_LOCK,	CAPS_LOCK,	0,
/* 0x3B - F1		*/	F1,		F1,		        0,
/* 0x3C - F2		*/	F2,		F2,				0,
/* 0x3D - F3		*/	F3,		F3,				0,
/* 0x3E - F4		*/	F4,		F4,				0,
/* 0x3F - F5		*/	F5,		F5,				0,
/* 0x40 - F6		*/	F6,		F6,				0,
/* 0x41 - F7		*/	F7,		F7,				0,
/* 0x42 - F8		*/	F8,		F8,				0,
/* 0x43 - F9		*/	F9,		F9,				0,
/* 0x44 - F10		*/	F10,		F10,		0,
/* 0x45 - NumLock	*/	NUM_LOCK,	NUM_LOCK,	0,
/* 0x46 - ScrLock	*/	SCROLL_LOCK,	SCROLL_LOCK,	0,
/* 0x47 - Home		*/	PAD_HOME,	'7',		HOME,
/* 0x48 - CurUp		*/	PAD_UP,		'8',		UP,
/* 0x49 - PgUp		*/	PAD_PAGEUP,	'9',		PAGEUP,
/* 0x4A - '-'		*/	PAD_MINUS,	'-',		0,
/* 0x4B - Left		*/	PAD_LEFT,	'4',		LEFT,
/* 0x4C - MID		*/	PAD_MID,	'5',		0,
/* 0x4D - Right		*/	PAD_RIGHT,	'6',		RIGHT,
/* 0x4E - '+'		*/	PAD_PLUS,	'+',		0,
/* 0x4F - End		*/	PAD_END,	'1',		END,
/* 0x50 - Down		*/	PAD_DOWN,	'2',		DOWN,
/* 0x51 - PgDown	*/	PAD_PAGEDOWN,	'3',		PAGEDOWN,
/* 0x52 - Insert	*/	PAD_INS,	'0',		INSERT,
/* 0x53 - Delete	*/	PAD_DOT,	'.',		DELETE,
/* 0x54 - Enter		*/	0,		0,		0,
/* 0x55 - ???		*/	0,		0,		0,
/* 0x56 - ???		*/	0,		0,		0,
/* 0x57 - F11		*/	F11,		F11,		0,	
/* 0x58 - F12		*/	F12,		F12,		0,	
/* 0x59 - ???		*/	0,		0,		0,	
/* 0x5A - ???		*/	0,		0,		0,	
/* 0x5B - ???		*/	0,		0,		GUI_L,	
/* 0x5C - ???		*/	0,		0,		GUI_R,	
/* 0x5D - ???		*/	0,		0,		APPS,	
/* 0x5E - ???		*/	0,		0,		0,	
/* 0x5F - ???		*/	0,		0,		0,	
/* 0x60 - ???		*/	0,		0,		0,
/* 0x61 - ???		*/	0,		0,		0,	
/* 0x62 - ???		*/	0,		0,		0,	
/* 0x63 - ???		*/	0,		0,		0,	
/* 0x64 - ???		*/	0,		0,		0,	
/* 0x65 - ???		*/	0,		0,		0,	
/* 0x66 - ???		*/	0,		0,		0,	
/* 0x67 - ???		*/	0,		0,		0,	
/* 0x68 - ???		*/	0,		0,		0,	
/* 0x69 - ???		*/	0,		0,		0,	
/* 0x6A - ???		*/	0,		0,		0,	
/* 0x6B - ???		*/	0,		0,		0,	
/* 0x6C - ???		*/	0,		0,		0,	
/* 0x6D - ???		*/	0,		0,		0,	
/* 0x6E - ???		*/	0,		0,		0,	
/* 0x6F - ???		*/	0,		0,		0,	
/* 0x70 - ???		*/	0,		0,		0,	
/* 0x71 - ???		*/	0,		0,		0,	
/* 0x72 - ???		*/	0,		0,		0,	
/* 0x73 - ???		*/	0,		0,		0,	
/* 0x74 - ???		*/	0,		0,		0,	
/* 0x75 - ???		*/	0,		0,		0,	
/* 0x76 - ???		*/	0,		0,		0,	
/* 0x77 - ???		*/	0,		0,		0,	
/* 0x78 - ???		*/	0,		0,		0,	
/* 0x78 - ???		*/	0,		0,		0,	
/* 0x7A - ???		*/	0,		0,		0,	
/* 0x7B - ???		*/	0,		0,		0,	
/* 0x7C - ???		*/	0,		0,		0,	
/* 0x7D - ???		*/	0,		0,		0,	
/* 0x7E - ???		*/	0,		0,		0,	
/* 0x7F - ???		*/	0,		0,		0
};
//循环缓冲区结构
/******************************/
typedef struct s_kb{
	char *Head;
	char *Tail;
	int  Count;
	char Buffer[16];
}CYCLE_BUFFER;

int CurrentConsole;
PUBLIC CONSOLE  ConsoleTable[NR_CONSOLES];
PUBLIC TTY TTYTable[NR_CONSOLES];
PRIVATE CYCLE_BUFFER ScanCodeBuffer;
PRIVATE t_bool CodeWithE0=FALSE;

PRIVATE int caps_lock;
PRIVATE int num_lock;
PRIVATE int scroll_lock;

//相应键被按下标志
/**********************************************/
PRIVATE t_bool LeftShift;
PRIVATE t_bool RightShift;
PRIVATE t_bool LeftAlt;
PRIVATE t_bool RightAlt;
PRIVATE t_bool LeftCtrl;
PRIVATE t_bool RightCtrl;
PRIVATE int    Column=0;