initialize.c

电源采样控制

/******************************************

*******************************************/
#include "at89x52.h"
#include "type.h"
#include "intrins.h"
#include "tlc2543.h"

//process.c
extern bit bdata sac; extern bit bdata bij; extern bit bdata sdc; extern bit bdata jdc;
extern bit bdata jac; extern bit bdata down; extern bit bdata up; extern bit bdata fpow;
extern bit bdata pow; extern bit bdata s220; extern bit bdata j40a; extern bit bdata vcr;
extern bit bdata zt;  extern bit bdata dvd;  extern bit bdata on;
extern unsigned char j_573,av_573,g_573;
//port.c
extern void WriteBuff(float integer,unsigned char base,unsigned char dec);
extern void  DisplayDrv(unsigned index,unsigned num);
extern void ShowOff(unsigned char index,unsigned char num);
/******************************
       系统初始化
*******************************/
void c51_initialize()
{
 unsigned char temp;
 P1=0xff; //双向口
 P3=0xff; //双向口
 BAOJ=0;
 {
  sac=0;
  bij=0;
  sdc=0;
  jdc=0;
  jac=0;
  down=0;
  up=0;
  fpow=0;
  pow=0;
  s220=0;
  j40a=0;
  vcr=0;
  zt=0;
  dvd=0;
 }
 j_573=0x00; 
 g_573=0x00;
 //电源控制初始化
 P0=j_573;
 P2_1=1;
 P2_1=0;
 //音视频、VGA控制初始化
 P0=av_573^0x18;
 av_573=0x18;
 P2_2=1;
 P2_2=0;
 //电开门初始化
 P0=g_573;
 P2_3=1;
 P2_3=0;
 //显示初始化
 for(temp=1;temp<=4;temp++)
 {
   ShowOff(temp,3);
 }
 ShowOff(5,4);
}

/************************************
          定时器0初始化
************************************/

void timer0_initialize()
    {
     TMOD=0X21;
     TL0=0x0;
     TH0=0x0;
     TR0=0;
     ET0=1;

    }