text2.c

cf初始化程序（包括串口初始化和端口初始化）

#include<c8051f340.h>
char code tab[]={0xFC,0x60,0xDA,0xF2,0x66,0xB6,0xBE,0xE0,0xFE,0xF6};
void portInitiate(void)
{
  XBR0=0X01;      //输入输出端口功能选择寄存器
  XBR1=0X70;
  XBR2=0X00;
  P0SKIP=0X33;   //
  P1SKIP=0Xce;
  EMI0CF=0x04;
  EMI0TC=0X6D;
  SCON0=0XC0;
  P0MDOUT=0X13;   //输出方式寄存器
  P1MDOUT=0X8E;
}


/*void debug164(void)
{
	unsigned int i;


	while(1)
	{

		P0=0xff;		
		P1=0xff;
		P2=0xff;		
		P3=0xff;	
		P4=0xff;

		//SBUF0=0xff;
		//for(i=0;i<200;i++)
		{	
		}
		//SBUF0=0xff;
		//for(i=0;i<200;i++)
		{	
		}


		P0=0x00;		
		P1=0x00;
		P2=0x00;		
		P3=0x00;	
		P4=0x00;
		//SBUF0=0x00;
		//for(i=0;i<200;i++)
		{	
		}
		//SBUF0=0x00;
		//for(i=0;i<200;i++)
		{	
		}
	}
}*/
	
void main(void)
{
  //flashInitiate();
  unsigned char i;
  portInitiate();

  //debug164();

  //uchar code std[4]={0x01,0x02,0x03,0x04};
  while(1)
  { 
	//delay(5);
    P4=0X00;
	P3=0X00;
	P2=0X00;
	P1=0X00;
	P0=0X00;
	//delay(5);
	TI0=0;
	SBUF0=0x60;
	for(i=0;i<100;i++);
	if(TI0==1)
	{
	  TI0=0;
	}
  }
}