#include<reg51.h>
#include<stdio.h>
#include<absacc.h>
#define uchar unsigned char
#define uint  unsigned int
sbit  COL_RCK=P1^0;
sbit  COL_DS=P1^1;
sbit  COL_SCK=P1^2;
sbit  ROW_RCK=P1^7;
sbit  ROW_DS=P1^6;
sbit  ROW_SCK=P1^5;
uchar number[56];
//從機的波特率設置為4800bit/s,并將串行口設為允許接房事,收,SM2設為1
void init_scon()
{
 TMOD=0x20;
 TH1=0xf3;
 TL1=0xf3;
 SCON=0xf0;
 PCON=0x80;
 TR1=1;
}
//從機串行接收
uchar receive()
{
 uchar temp;
 while(RI==0);
 RI=0;
 temp=SBUF;
   return temp;
}
//從機串行發送
void send(uchar x)
{
 SBUF=x;
 while(TI==0);
 TI=0;
} 
void delay()
{
 uint i,j;
 for(i=0;i<10;i++)
  for(j=0;j<15;j++);
} 
void col_send_data(uchar *p)
{
 uint i;
 uchar temp;
 temp=*p;
 COL_SCK=0;
 for(i=0;i<8;i++)
 {
  if(temp&0x80)
     COL_DS=1;
  else
     COL_DS=0;
  COL_RCK=0;
  COL_RCK=1;
  temp=temp<<1;
 }
 COL_SCK=1;
} 
void row_send_data(uchar value)
{
 uint i;
 ROW_SCK=0;
 for(i=0;i<8;i++)
 {
  if(value&0x80)
     ROW_DS=1;
  else
     ROW_DS=0;
  ROW_RCK=0;
  ROW_RCK=1;
  value=value<<1;
 }
 ROW_SCK=1;
} 
int main(void)
{
 
 uchar receive_adr;//從機從主機接收的地址
 uchar receive_data; //從機從主機接收的數據
 uchar *p1,*p2;
 uint i,j,k;
 uchar local_adr;//從機本地地址
 uchar temp;
 init_scon();
 local_adr=0x01; //設問從機的本地地址為0X01
 i=0;
 while(i<56)	   //不停的接收,直到接收到正確的地址
 {
  if(RB8)		//如果SM2=1,且接收到的第9位RB8=1,產生中斷請求,將接收到的8位數據送SBUF,
  {							 //如果RB8為0,則RI不置1,不接收主機發來的數據
    receive_adr=SBUF;
	RI=0;
  }
  if(receive_adr==local_adr)
  {					   //如果從主機接收到的地址和從機的地址相同
   SM2=0;				//則SM2=0,不論RB8是0還是1,都將接收從主機發來的數據
   send(local_adr);
   for(i=0;i<56;i++)		 //將接收到的數據存儲在反沖區數組DATA1中
   {
    receive_data=receive();
    number[i]=receive_data;
   }
  }
 }
 SM2=1;
 while(1)
 {
  p1=number;
  for(i=0;i<48;i++)
  {
   for(j=0;j<30;j++)
   {
    p2=p1;
	temp=0xfe;
	for(k=0;k<8;k++)
	{
	 
	 col_send_data(p2);
     delay();
	 row_send_data(temp);
     p2++;
	 temp=temp<<1|0x01;
	}
   }
  p1++;
  }
 }
}