wr_flash.i

此源码为商用的电力抄表系统的从机端源程序。通过电力载波模块

#line 1 "wr_flash.c" /0





 
  
#line 1 "C:\KEIL\C51\INC\PHILIPS\REG922.H" /0







 
 
 
 
 
 
 sfr P0   = 0x80;
 sfr P1   = 0x90;
 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 IEN0 = 0xA8;
 sfr IP0  = 0xB8;
 sfr SCON = 0x98;
 sfr SBUF = 0x99;
 
 
 sfr AUXR1  = 0xA2;
 sfr SADDR  = 0xA9;
 sfr SADEN  = 0xB9;
 sfr BRGR0  = 0xBE;
 sfr BRGR1  = 0xBF;
 sfr BRGCON = 0xBD;
 sfr CMP1   = 0xAC;
 sfr CMP2   = 0xAD;
 sfr DIVM   = 0x95;
 sfr FMADRH = 0xE7;
 sfr FMADRL = 0xE6;
 sfr FMCON  = 0xE4;
 sfr FMDATA = 0xE5;
 sfr I2ADR  = 0xDB;
 sfr I2CON  = 0xD8;
 sfr I2DAT  = 0xDA;
 sfr I2SCLH = 0xDD;
 sfr I2SCLL = 0xDC;
 sfr I2STAT = 0xD9;
 sfr IP1    = 0xF8;
 sfr IP1H   = 0xF7;
 sfr KBCON  = 0x94;
 sfr KBMASK = 0x86;
 sfr KBPATN = 0x93;
 sfr P0M1   = 0x84;
 sfr P0M2   = 0x85;
 sfr P1M1   = 0x91;
 sfr P1M2   = 0x92;
 sfr P3M1   = 0xB1;
 sfr P3M2   = 0xB2;
 sfr PCONA  = 0xB5;
 sfr PT0AD  = 0xF6;
 sfr RSTSRC = 0xDF;
 sfr RTCCON = 0xD1;
 sfr RTCH   = 0xD2;
 sfr RTCL   = 0xD3;
 sfr SSTAT  = 0xBA;
 sfr TAMOD  = 0x8F;
 sfr TRIM   = 0x96;
 sfr WDCON  = 0xA7;
 sfr WDL    = 0xC1;
 sfr WFEED1 = 0xC2;
 sfr WFEED2 = 0xC3;
 sfr IP0H   = 0xB7;
 sfr IEN1   = 0xE8;
 
 
 
 sbit CY   = PSW^7;
 sbit AC   = PSW^6;
 sbit F0   = PSW^5;
 sbit RS1  = PSW^4;
 sbit RS0  = PSW^3;
 sbit OV   = PSW^2;
 sbit F1   = PSW^1;
 sbit P    = PSW^0;
 
 
 sbit TF1  = TCON^7;
 sbit TR1  = TCON^6;
 sbit TF0  = TCON^5;
 sbit TR0  = TCON^4;
 sbit IE1  = TCON^3;
 sbit IT1  = TCON^2;
 sbit IE0  = TCON^1;
 sbit IT0  = TCON^0;
 
 
 sbit EA   = IEN0^7;
 sbit EWDRT = IEN0^6;
 sbit EBO  = IEN0^5;
 sbit ES   = IEN0^4;  
 sbit ESR  = IEN0^4; 
 sbit ET1  = IEN0^3;
 sbit EX1  = IEN0^2;
 sbit ET0  = IEN0^1;
 sbit EX0  = IEN0^0;
 
 
 sbit EC   = IEN1^2;
 sbit EKBI = IEN1^1;
 sbit EI2C = IEN1^0;
 
 
 sbit PST  = IP0^6;
 sbit PC   = IP0^2;
 sbit PKBI = IP0^1;
 sbit Pi2c = IP0^0;
 
 
 sbit PWDRT = IP0^6;
 sbit PBO  = IP0^5;
 sbit PS   = IP0^4;  
 sbit PSR  = IP0^4;
 sbit PT1  = IP0^3;
 sbit PX1  = IP0^2;
 sbit PT0  = IP0^1;
 sbit PX0  = IP0^0;
 
 
 
 sbit SM0  = SCON^7;  
 sbit FE   = SCON^7;
 sbit SM1  = SCON^6;
 sbit SM2  = SCON^5;
 sbit REN  = SCON^4;
 sbit TB8  = SCON^3;
 sbit RB8  = SCON^2;
 sbit TI   = SCON^1;
 sbit RI   = SCON^0;
 
 
 sbit I2EN  = I2CON^6;
 sbit STA   = I2CON^5;
 sbit STO   = I2CON^4;
 sbit SI    = I2CON^3;
 sbit AA    = I2CON^2;
 sbit CRSEL = I2CON^0;
 
 
 sbit KB7 = P0^7;  
 sbit T1  = P0^7;
 sbit KB6 = P0^6;  
 
 sbit KB5 = P0^5;
 sbit KB4 = P0^4;
 sbit KB3 = P0^3;
 sbit KB2 = P0^2;
 sbit KB1 = P0^1;
 sbit KB0 = P0^0;  
 
 
 
 sbit RST     = P1^5;
 sbit INT1    = P1^4;
 sbit INT0    = P1^3;  
 sbit SDA     = P1^3;
 sbit T0      = P1^2;  
 sbit SCL     = P1^2;
 sbit RxD     = P1^1;
 sbit TxD     = P1^0;
 
 
 sbit XTAL1= P3^1;
 sbit XTAL2= P3^0;
 
 
 
#line 7 "wr_flash.c" /0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 







 
 
 void  FLASH_ReadNByte(unsigned int addr, unsigned char *dat_buf, unsigned char no)
 {  unsigned char code *readp;
 if(0==no) return;
 readp = addr;				 
 for(; no>0; no--)
 {  *dat_buf = *readp;		 
 dat_buf++;			
 readp++;				 
 }  
 }
 
 
 





 









 







 
 bit  FLASH_WriteNByte(unsigned int addr, unsigned char  *dat_buf, unsigned char no)
 { 
 if(0==no) return(0);
 
 FMCON = 0x00;			 
 FMADRH = addr>>8;			 
 FMADRL = addr&0xFF;
 while(1)
 {  FMDATA = *dat_buf;		 
 dat_buf++;			 
 addr++;				
 no--;
 if(0==no) break;			 
 
 }
 FMCON = 0x68;			 
 if( (FMCON&0x0F)!=0x00 ) return(0);		
 else  return(1);
 }