at89s52.h

LCD7920汉字液晶操作程序

/*--------------------------------------------------------------------------
AT89S53.H

Header file for the Atmel AT89S53.
Copyright 1996-1997 Keil Elektronik GmbH and Keil Software, Inc.
All rights reserved.
--------------------------------------------------------------------------*/

/*H***************************************************************************
* NAME: AT89S52.h           
*----------------------------------------------------------------------------
* PURPOSE: inlcude file for KEIL
*****************************************************************************/



#define Sfr(x, y)	  	sfr x = y
#define Sfr16(x,y)	    sfr16 x = y

/*----------------------------------------*/
/* Include file for 8051 SFR Definitions  */
/*----------------------------------------*/

/*  BYTE Register  */
Sfr (P0 , 0x80);        

Sbit (P0_7 , 0x80, 7);
Sbit (P0_6 , 0x80, 6);
Sbit (P0_5 , 0x80, 5);
Sbit (P0_4 , 0x80, 4);
Sbit (P0_3 , 0x80, 3);
Sbit (P0_2 , 0x80, 2);
Sbit (P0_1 , 0x80, 1);
Sbit (P0_0 , 0x80, 0);

Sfr (P1 , 0x90);        

Sbit (P1_7 , 0x90, 7);
Sbit (P1_6 , 0x90, 6);
Sbit (P1_5 , 0x90, 5);
Sbit (P1_4 , 0x90, 4);
Sbit (P1_3 , 0x90, 3);
Sbit (P1_2 , 0x90, 2);
Sbit (P1_1 , 0x90, 1);
Sbit (P1_0 , 0x90, 0);



Sfr (P2 , 0xA0); 
Sbit (P2_7 , 0xA0, 7);
Sbit (P2_6 , 0xA0, 6);
Sbit (P2_5 , 0xA0, 5);
Sbit (P2_4 , 0xA0, 4);
Sbit (P2_3 , 0xA0, 3);
Sbit (P2_2 , 0xA0, 2);
Sbit (P2_1 , 0xA0, 1);
Sbit (P2_0 , 0xA0, 0);

       
Sfr (P3 , 0xB0);        

Sbit (P3_7 , 0xB0, 7);
Sbit (P3_6 , 0xB0, 6);
Sbit (P3_5 , 0xB0, 5);
Sbit (P3_4 , 0xB0, 4);
Sbit (P3_3 , 0xB0, 3);
Sbit (P3_2 , 0xB0, 2);
Sbit (P3_1 , 0xB0, 1);
Sbit (P3_0 , 0xB0, 0);

Sbit (RD , 0xB0, 7);
Sbit (WR , 0xB0, 6);
Sbit (T1 , 0xB0, 5);
Sbit (T0 , 0xB0, 4);
Sbit (INT1 , 0xB0, 3);
Sbit (INT0 , 0xB0, 2);
Sbit (TXD , 0xB0, 1);
Sbit (RXD , 0xB0, 0);

    
Sfr (PSW , 0xD0);       

Sbit (CY  , 0xD0  , 7);
Sbit (AC  , 0xD0  , 6);
Sbit (F0  , 0xD0  , 5);
Sbit (RS1 , 0xD0  , 4);
Sbit (RS0 , 0xD0  , 3);
Sbit (OV  , 0xD0  , 2);
Sbit (UD  , 0xD0  , 1);
Sbit (P   , 0xD0  , 0);

Sfr (ACC , 0xE0);       
Sfr (B , 0xF0); 
Sfr (SP , 0x81);        
Sfr (DP0L , 0x82);       
Sfr (DP0H , 0x83);       
Sfr (DP1L , 0x84);       
Sfr (DP1H , 0x85);       

Sfr (PCON , 0x87);      

/*------------------ TIMERS registers ---------------------*/
Sfr (TCON , 0x88);
Sbit (TF1 , 0x88, 7);
Sbit (TR1 , 0x88, 6);
Sbit (TF0 , 0x88, 5);
Sbit (TR0 , 0x88, 4);
Sbit (IE1 , 0x88, 3);
Sbit (IT1 , 0x88, 2);
Sbit (IE0 , 0x88, 1);
Sbit (IT0 , 0x88, 0);
        
Sfr (TMOD , 0x89);      

Sfr  (T2CON , 0xC8);
Sbit (TF2   , 0xC8, 7);
Sbit (EXF2  , 0xC8, 6);
Sbit (RCLK  , 0xC8, 5);
Sbit (TCLK  , 0xC8, 4);
Sbit (EXEN2 , 0xC8, 3);
Sbit (TR2   , 0xC8, 2);
Sbit (C_T2  , 0xC8, 1);
Sbit (CP_RL2, 0xC8, 0);
        
Sfr (T2MOD , 0xC9);     
Sfr (TL0 , 0x8A);       
Sfr (TL1 , 0x8B);       
Sfr (TL2 , 0xCC);       
Sfr (TH0 , 0x8C);       
Sfr (TH1 , 0x8D);       
Sfr (TH2 , 0xCD);       
Sfr (RCAP2L , 0xCA);    
Sfr (RCAP2H , 0xCB);    
Sfr (WDTRST , 0xA6);    


/*------------------- UART registers ------------------------*/
Sfr (SCON , 0x98);      
Sbit (SM0  , 0x98, 7);
Sbit (FE   , 0x98, 7);
Sbit (SM1  , 0x98, 6);
Sbit (SM2  , 0x98, 5);
Sbit (REN  , 0x98, 4);
Sbit (TB8  , 0x98, 3);
Sbit (RB8  , 0x98, 2);
Sbit (TI   , 0x98, 1);
Sbit (RI   , 0x98, 0);

Sfr (SBUF , 0x99);      


/*-------------------- IT registers -----------------------*/
Sfr (IE  , 0xA8);      
Sfr (IP  , 0xB8);      
Sfr (AUXR   , 0x8E);      
Sfr (AUXR1  , 0xA2);      



/*  IEN0  */
Sbit (EA   , 0xA8, 7);
Sbit (EC   , 0xA8, 6);
Sbit (ET2  , 0xA8, 5);
Sbit (ES   , 0xA8, 4);
Sbit (ET1  , 0xA8, 3);
Sbit (EX1  , 0xA8, 2);
Sbit (ET0  , 0xA8, 1);
Sbit (EX0  , 0xA8, 0);



/*-------------------- SPI ---------------------- -----------------*/
Sfr ( SPCR , 0xD5 );
Sfr ( SPSR , 0xAA );



/*------ E data --------------------------------------------------*/

Sfr ( WCON,  0x96 );