#include <absacc.h>
#include <reg51.h>
sbit   WatchDog = P1^3;       //看門狗
unsigned char xdata sequ_code=0;
unsigned char xdata zone_count[5][60]; //5個(gè)路口，沒個(gè)路口60個(gè)備用變化，每個(gè)階段提供60秒的變化范圍
unsigned char xdata zone_step_time[5][60];//對應(yīng)的階段時(shí)間
unsigned char xdata zone_now_step_key[5][60];//對應(yīng)的階段歷時(shí)
unsigned char xdata zone_differ[5]={2,3,4,5,7};//5個(gè)路口的 相位差
unsigned char xdata zone_step_number[5][60];//變化時(shí)刻的階段號
unsigned int  xdata zone_number[5];     //路口編號
unsigned char xdata tran_inform_flag=0;

unsigned char  pq1,pq2,pq3;
unsigned int   pq0;

extern  unsigned char step_time;
extern  unsigned char now_step_key;
extern  unsigned char step_counter;              //階段號

extern unsigned int xdata data_address;
extern unsigned int xdata address;
extern unsigned int xdata tr_flagaddr;
sbit FarContrlLed=P1^1;

//發(fā)送：路口編號，階段時(shí)間，階段歷時(shí)，階段號
tran_split(unsigned int troadnumber,unsigned char tstep_time,unsigned char  tstep_now_key,unsigned char tstep_number) using 1

{
  unsigned char i;

  data_address=((XBYTE[0XA021]<<8)+XBYTE[0XA022]+1);        //首地址 偏移量
  address=data_address;                                 //首地址 偏移量
  data_address=data_address+12;                         //發(fā)送數(shù)據(jù)長度12字節(jié)
  if(data_address>0x7f0)data_address=data_address-0x7f0+0x80;
  while((XBYTE[0xa023]==0)&&(XBYTE[0xa024]==1)){};    //等待FGPA修改頭尾
  XBYTE[0xa023]=0x01;                              //CPU修改頭尾
  XBYTE[0xa024]=0X00;
  data_address=((XBYTE[0XA021]<<8)+XBYTE[0XA022]+1);
  address=data_address;
  data_address=data_address+12;            //應(yīng)答數(shù)據(jù)長度12字節(jié)
  if(data_address>0x7f0)data_address=data_address-0x7f0+0x80;
  data_address--;
  XBYTE[0XA021]=data_address>>8;          //
  XBYTE[0XA022]=data_address;
  XBYTE[0XA023]=0X00;                      //CPU修改頭尾結(jié)束
  XBYTE[0XA024]=0X00;
  for(i=0;i<6;i++){                        //判斷有無發(fā)送緩沖區(qū)
           tr_flagaddr=0XA030+5*i;
           if(XBYTE[tr_flagaddr]==0x87)break;
                      }
  if(i==6)return 1;                        //如果沒有，崩潰
  XBYTE[tr_flagaddr+1]=address>>8;        //發(fā)送數(shù)據(jù)的首地址
  XBYTE[tr_flagaddr+2]=address;
  XBYTE[tr_flagaddr+3]=data_address>>8;   //發(fā)送數(shù)據(jù)的尾地址
  XBYTE[tr_flagaddr+4]=data_address;

  address=address+0xa000;

  if(address>0xa7f0){
                     address=0xa080;
                     }
  XBYTE[address]=0x9F;                    //新增協(xié)議0X9F
  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=0xc5;                    //新增協(xié)議0XC5

  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=(troadnumber>>8);       //從機(jī)路口編號

  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=troadnumber;
  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=tstep_time;
  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=tstep_now_key;
  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=tstep_number;

  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=XBYTE[0XC008];           //發(fā)送月
  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=XBYTE[0XC007];           //日
//  SBUF=XBYTE[address];while(!TI);TI=0;      /////////////////////////////////////////
  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=XBYTE[0XC004];           //時(shí)
//  SBUF=XBYTE[address];while(!TI);TI=0;      /////////////////////////////////////////
  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=XBYTE[0XC002];           //分
//  SBUF=XBYTE[address];while(!TI);TI=0;      /////////////////////////////////////////
  address++;
  if(address>0xa7f0)address=0xa080;
  XBYTE[address]=XBYTE[0XC000];           //秒

  XBYTE[tr_flagaddr]=0x02;
  FarContrlLed= !FarContrlLed;
}



//本函數(shù)對狀態(tài)發(fā)生后的需要計(jì)時(shí)，與相位差比較的數(shù)據(jù)進(jìn)行初始化 只在關(guān)鍵點(diǎn)，階段更迭，綠時(shí)修改的情況下運(yùn)行
deal_zone()
{
  unsigned char xdata i;
//關(guān)鍵點(diǎn)到來時(shí)刻，每個(gè)從機(jī)路口相應(yīng)的標(biāo)志置為1，并保留相對應(yīng)的階段時(shí)間和階段數(shù)，階段號
  for(i=0;i<5;i++){
        zone_count[i][sequ_code]=1;                   //開始計(jì)數(shù)
        zone_step_time[i][sequ_code]=step_time;       //保留當(dāng)時(shí)的階段時(shí)間
        zone_now_step_key[i][sequ_code]=now_step_key; //保留當(dāng)前的階段歷時(shí)
        zone_step_number[i][sequ_code]=step_counter;                   //發(fā)生時(shí)刻的階段號

                   }

  sequ_code++;
  if(sequ_code>=60)sequ_code=0;
}
//在秒中斷中每秒執(zhí)行一次，沒秒對個(gè)從機(jī)的相位差與事件發(fā)生點(diǎn)的時(shí)間進(jìn)行比較
send_zone()
{
  unsigned char xdata i,j;
  unsigned char xdata t1,t2;
  EA=0;
  for(i=0;i<5;i++){
       WatchDog = !WatchDog ;
       for(j=0;j<60;j++){ //秒計(jì)數(shù)，使用的區(qū)域沒秒增一
          t1= zone_count[i][j];                        //讀取計(jì)數(shù)
          t2=zone_differ[i];                           //讀取相位差
          if(zone_count[i][j]!=0)zone_count[i][j]++;   //對于使用的計(jì)數(shù)器增1
          //if(zone_count[i][j]>=zone_differ[i]}{
          if(t1>t2){                                  //計(jì)數(shù)值超過相位差
                        tran_inform_flag=1;
                        zone_count[i][j]=0x00;
                        pq0=zone_number[i];           //從機(jī)路口編號
                        pq1=zone_step_time[i][j];     //區(qū)域控制的當(dāng)前階段時(shí)間：倒計(jì)時(shí)開始的時(shí)間
                        pq2=zone_now_step_key[i][j];  //在當(dāng)前階段中的歷時(shí)
                        pq3=zone_step_number[i][j];      //當(dāng)前階段號
                      //  if(pq0==0x0051){
                      //           tran_split(pq0,pq1,pq2,pq3);
                      //                  }

                        tran_split(pq0,pq1,pq2,pq3);
                        tran_split(pq0,pq1,pq2,pq3);
                        tran_split(pq0,pq1,pq2,pq3);

                                               }
                         }
                   }
   EA=1; 
   return 1;
}