ps2kb.h

可以加载到嵌入式系统终端的键盘驱动程序

#define PS2KB_PORT_D 0x24e
#define PS2KB_PORT_S PS2KB_PORT_D + 1

#define WAKEFLG 1
#define PCKBFLG 2
#define RELEFLG 8
#define CLRELEFLG 0xf7
#define KYATFLG 0x10


#define SCRLFLG	0x1
#define NUMLFLG	0x2
#define CAPSFLG	0x4
#define STSCRLF	0x1
#define CLSCRLF	0xFE
#define STNUMLF	0x2
#define CLNUMLF	0xFD
#define STCAPSF	0x4
#define CLCAPSF	0xFB

#define INSERT  0x52

#define STLSHFF 1       //_KB_FLAG
#define CLLSHFF 0xfe
#define STRSHFF 2	//_KB_FLAG
#define CLRSHFF 0xfd
#define STLCTRLF 4	//_KB_FLAG
#define CLLCTRLF 0xFB  
#define STRCTRLF 8	//_KB_FLAG
#define CLRCTRLF 0xF7
#define STLALTF	 0x10	//_KB_FLAG
#define CLLALTF	 0xEF

//---------------E0, E1 标志-----------------------

#define STE0FLG 0x40	// _KB_FLAG
#define CLE0FLG	0xBF    // 
#define STE1FLG	0x80	// _KB_FLAG
#define CLE1FLG	0x7F

#define PAUSKEY	0x77
#define SFPADET	0xAD00
#define PADSTAR	0x6100
#define CTRLESC	0x4

#define PDENTER	0x1C
#define ALTP	0x38
#define ALTR	0xB8

#define STCTRLF	STLCTRLF
#define CLCTRLF	CLLCTRLF

#define CTRLP	0x1D
#define CTRLR	0x9D
#define LSHIFTP	0x2A
#define LSHIFTR	0xAA
#define RSHIFTP	0x36
#define RSHIFTR	0xB6
#define CAPSLKP 0x3A
#define CAPSLKR 0xBA
#define SCRLCKP	0x46
#define SCRLCKR	0xC6
#define NUMLCKP	0x45
#define NUMLCKR	0xC5

typedef struct {
	INT16U buff[16];
	INT8U  len;
	INT16U *WriteP;
	INT16U *ReadP;
} KBBUF;

void interrupt int16(INT16U bp, INT16U di, INT16U si, INT16U ds, INT16U es, INT16U dx, 
		     INT16U cx, INT16U bx, INT16U ax, INT16U ip, INT16U	cs, INT16U psw);
			
int InitPs2Kb(void);
void interrupt Ps2KbInt(void);
INT8U attoxt(INT8U);
void pc101kb(INT8U);
void savekeyv(INT8U , INT8U);
void savekeyval(INT16U kv, KBBUF *kb);
void lightled(INT8U);
INT16U Readkbbuf(INT8U *err, KBBUF *kb);
void ps2sndcmd(INT16U port, INT8U v);
INT8U ps2get(INT16U port, INT32U timeo);
int sendcmd(INT8U cmd);
INT8 recvdata(char *err);
INT8U readclkdat(void);