c89c55.h

在89C55CPU下开发的语音芯片驱动程序

/*--------------------------------------------------------------------------

--------------------------------------------------------------------------*/

#ifndef _C89c55_H_
#define _C89c55_H_


typedef struct	// general structure of 8 bit register allowing bit access 
	{
	unsigned char bit0 : 1;
	unsigned char bit1 : 1;
	unsigned char bit2 : 1;
	unsigned char bit3 : 1;
	unsigned char bit4 : 1;
 	unsigned char bit5 : 1;
	unsigned char bit6 : 1;
	unsigned char bit7 : 1;
	} Register;    

#define uchar	unsigned char
#define uint	unsigned int

//16c554 寄存器宏定义
#define RTR_16c554 0x0000
#define IER_16c554 0x0001
#define FCR_16c554 0x0002
#define LCR_16c554 0x0003
#define MCR_16c554 0x0004
#define LSR_16c554 0x0005
#define LSB_16c554 0x0000
#define MSB_16c554 0x0001

//8255 寄存器宏定义
#define portC_8255 0x0002
#define control_8255 0x0003

// Common Misc. Defines...
#ifndef TRUE
  #define TRUE 0x01
#endif 
#ifndef FALSE
  #define FALSE 0x00
#endif 
#ifndef ON
  #define ON 0x01
#endif 
#ifndef OFF
  #define OFF 0x00
#endif 
#ifndef NULL
  #define NULL 0x00
#endif 



/* ------------------------------ */
/* Standard 8051 MCU Registers    */
/* ------------------------------ */
/*  BYTE Register  */
sfr P0   = 0x80;
sfr P1   = 0x90;
sfr P2   = 0xA0;
sfr P3   = 0xB0;
sfr PSW  = 0xD0;
sfr ACC  = 0xE0;
sfr B    = 0xF0;
sfr SP   = 0x81;
sfr DPL  = 0x82;
sfr DPH  = 0x83;
sfr PCON = 0x87;
sfr TCON = 0x88;
sfr TMOD = 0x89;
sfr TL0  = 0x8A;
sfr TL1  = 0x8B;
sfr TH0  = 0x8C;
sfr TH1  = 0x8D;
sfr IE   = 0xA8;
sfr IP   = 0xB8;
sfr SCON = 0x98;
sfr SBUF = 0x99;


/*  BIT Register  */
/*  PSW   */
sbit CY   = 0xD7;
sbit AC   = 0xD6;
sbit F0   = 0xD5;
sbit RS1  = 0xD4;
sbit RS0  = 0xD3;
sbit OV   = 0xD2;
sbit P    = 0xD0;

/*  TCON  */
sbit TF1  = 0x8F;
sbit TR1  = 0x8E;
sbit TF0  = 0x8D;
sbit TR0  = 0x8C;
sbit IE1  = 0x8B;
sbit IT1  = 0x8A;
sbit IE0  = 0x89;
sbit IT0  = 0x88;

/*  IE   */
sbit EA   = 0xAF;
sbit ES   = 0xAC;
sbit ET1  = 0xAB;
sbit EX1  = 0xAA;
sbit ET0  = 0xA9;
sbit EX0  = 0xA8;

/*  IP   */ 
sbit PS   = 0xBC;
sbit PT1  = 0xBB;
sbit PX1  = 0xBA;
sbit PT0  = 0xB9;
sbit PX0  = 0xB8;

/*  P1   */
sbit P1_0 = 0x90;
sbit P1_1 = 0x91;
sbit P1_2 = 0x92;
sbit P1_3 = 0x93;
sbit P1_4 = 0x94;
sbit P1_5 = 0x95;
sbit P1_6 = 0x96;
sbit P1_7 = 0x97;

/*  P2   */
sbit P2_0 = P2^0;
sbit P2_1 = P2^1;
sbit P2_2 = P2^2;
sbit P2_3 = P2^3;
sbit P2_4 = P2^4;
sbit P2_5 = P2^5;
sbit P2_6 = P2^6;
sbit P2_7 = P2^7;

/*  P3  */
sbit RD   = 0xB7;
sbit WR   = 0xB6;
sbit T1   = 0xB5;
sbit T0   = 0xB4;
sbit INT1 = 0xB3;
sbit INT0 = 0xB2;
sbit TXD  = 0xB1;
sbit RXD  = 0xB0;

/*  SCON  */
sbit SM0  = 0x9F;
sbit SM1  = 0x9E;
sbit SM2  = 0x9D;
sbit REN  = 0x9C;
sbit TB8  = 0x9B;
sbit RB8  = 0x9A;
sbit TI   = 0x99;
sbit RI   = 0x98;

/* -----------------------------------
Interrupt Vectors:
Interrupt Address = (Number * 8) + 3
------------------------------------ */ 
#define RESET_VECTOR_ADDR		0		// Reset Address = 0
#define IE0_VECTOR			0     	// 0x03 External Interrupt 0
#define IEO_VECTOR_ADDR             0x03
#define TF0_VECTOR			1		//0x0B Timer 0
#define TF0_VECTOR_ADDR			0x0B
#define IE1_VECTOR			2		//0x13 External Interrupt 1
#define IE1_VECTOR_ADDR			0x13
#define TF1_VECTOR			3		//0x1B Timer 1
#define TF1_VECTOR_ADDR			0x1B
#define SIO_VECTOR			4		//0x23 Serial Port 0
#define SIO_VECTOR_ADDR			0x23
/* ---------------------------------- */


#endif