reg52.h

MODBUS 通信源代码 MODBUS通訊協定原本是MODICON公司為自己所生產的PLC(可程式邏輯控制器)所開發的通訊協定

/* (c) Copyright KEIL ELEKTRONIK GmbH.  1990, All rights reserved. */
/* 8052 Processor Declarations */

/*  BYTE Registers  */
sfr P0    = 0x80;
sfr P1    = 0x90;
sfr P2    = 0xA0;
sfr P3    = 0xB0;
sfr P4    = 0xD8;
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;

/*  8052 Extensions  */
sfr T2CON = 0xC8;
sfr T2MOD = 0XC9;
sfr RCAP2L = 0xCA;
sfr RCAP2H = 0xCB;
sfr TL2   = 0xCC;
sfr TH2   = 0xCD;


/*  BIT Registers  */

/*  PSW  */
sbit CY    = 0xD7;
sbit AC    = 0xD6;
sbit F0    = 0xD5;
sbit RS1   = 0xD4;
sbit RS0   = 0xD3;
sbit OV    = 0xD2;
sbit P     = 0xD0;
/*  P0    */
sbit P0_0    = P0^0;
sbit P0_1    = P0^1;
sbit P0_2    = P0^2;
sbit P0_3    = P0^3;
sbit P0_4    = P0^4;
sbit P0_5    = P0^5;
sbit P0_6    = P0^6;
sbit P0_7    = P0^7;
/*    P1  */ 
sbit P1_1    = P1^1;
sbit P1_2    = P1^2;
/*          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 P3_0    = P3^0;
sbit P3_1    = P3^1;
sbit P3_2    = P3^2;
sbit P3_3    = P3^3;
sbit P3_4    = P3^4;
sbit P3_5    = P3^5;
sbit P3_6    = P3^6;
sbit P3_7    = P3^7;

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

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

/*  8052 Extensions  */
/*  IE  */
sbit ET2   = 0xAD;  //秨い耞

/*  IP  */
sbit PT2   = 0xBD;  //纔