用1602显示的频率计在protues上就是不出现在啊，谁帮我看看

[复制链接]

1543|0

手机看帖

扫描二维码
随时随地手机跟帖

电梯直达

楼主

chenjiawei7| 实习生

楼主 | 2012-5-11 10:38 | 只看该作者回帖奖励

|倒序浏览 |阅读模式

频率计, PROTUES, unsigned, dc, TI

#include <reg52.h>
unsigned char dispbuf[8];
unsigned char temp[8];
unsigned char T0count;
unsigned char timecount;
sbit EN=P2^0;
sbit RS=P2^1;
sbit RW=P2^2;
bit flag;
unsigned long x;
unsigned int num;
unsigned char i;
void delay1ms(unsigned int ms)//延时1毫秒（不够精确的）
{

unsigned int i,j;

for(i=0;i<ms;i++)

for(j=0;j<100;j++);
}
void write_command(unsigned char command)//写指令//
{
delay1ms(1);

RS=0;

RW=0;

EN=0;

P0=command;
delay1ms(1);

EN=1;
delay1ms(1);

EN=0;
}
void write_data(unsigned char date)//写数据//
{
delay1ms(1);;

RS=1;

RW=0;

EN=0;
P0=date;
delay1ms(1);
   EN=1;
   delay1ms(1);
   EN=0;
}

void init()
{

EN=0;

write_command(0x38);

write_command(0x0c);

write_command(0x06);

write_command(0x01);

}
void main(void)
{

  TMOD=0x15;
  TH0=0;
  TL0=0;
  TH1=(65536-5000)/256;
  TL1=(65536-5000)%256;
  ET0=1;
  ET1=1;
  EA=1;
  init();
  write_command(0x80+0x04);
  TR1=1;
  TR0=1;
  while(1)
{
   if(flag==1)
   {
      flag=0;
      x=T0count*65536+TH0*256+TL0;

for(i=0;i<8;i++)
         {
         temp[i]=0;
         }
      i=0;
      while(x/10)
         {
         temp[i]=x%10;
         x=x/10;
         i++;
         };
      temp[i]=x;
      for(i=0;i<8;i++)
         {
         dispbuf[i]=temp[i];
         }
      timecount=0;
      T0count=0;
      TH0=0;
      TL0=0;
      TR0=1;
   }
}
}
void t0(void) interrupt 1 using 0
{
  T0count++;
}
void t1(void) interrupt 3 using 0
{
  TH1=(65536-5000)/256;
  TL1=(65536-5000)%256;
  timecount++;
  if(timecount==200)
{
   TR0=0;
   timecount=0;
   flag=1;

}

for(num=7;num<=0;num--)

{

write_data(dispbuf[num]);

delay1ms(1);

}
}

使用特权

评论回复赏

用1602显示的频率计在protues上就是不出现在啊，谁帮我看看

相关下载

相关帖子