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標(biāo)題: 使LCD顯示時(shí)鐘，但是就出來這個(gè)圖像，程序也不知道錯(cuò)在哪，求大神解決 [打印本頁]

作者: 丁宇12138 時(shí)間: 2017-10-25 11:21
標(biāo)題: 使LCD顯示時(shí)鐘，但是就出來這個(gè)圖像，程序也不知道錯(cuò)在哪，求大神解決
#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define out P3

sbit RS=P2^0;
sbit RW=P2^1;
sbit E=P2^2;
uchar date[]=" H.I.T.CHINA  ",
   time[]=" TIME  23:59:55 ";
uchar int_time,second,minute,hour;
uchar second=55,minute=59,hour=23;

void lcd_initial(void);
void check_busy(void);
void write_command(uchar com);
void write_data(uchar dat);
void write_sfm(uchar,uchar);
void delay(uint);
void clock_init(void);
void clock_write(uint,uint,uint);

void delay(uint j)
{
  uchar i=250;
  for(;j>0;j--)
  {
while(--i);
i=249;
while(--i);
i=250;
  }
}

void check_busy(void)
{
  uchar dt;
  do
  {
dt=0xff;
E=0;
RS=0;
RW=1;
E=1;
dt=out;
  }
  while(dt&0x80);
  E=0;
}

void write_command(uchar com)
{
  check_busy();
  E=0;
  RS=0;
  RW=0;
  out=com;
  E=1;
  _nop_();
  E=0;
  delay(1);
}

void write_data(uchar dat)
{
  check_busy();
  E=0;
  RS=1;
  RW=0;
  out=dat;
  E=1;
  _nop_();
  E=0;
  delay(1);
}

void lcd_initial(void)
{
  write_command(0x38);
  write_command(0x0c);
  write_command(0x06);
  write_command(0x01);
  delay(1);
}

void write_sfm(uchar ad,uchar s)
{
  write_command(ad);
  write_data (s);
  delay(100);
  write_command(++ad);
  write_data(s/10);
  delay(100);
}

void clock_init()
{
  uchar i,j;
  write_command(0x80);
  for(i=0;i<16;i++)
  {
write_data(date[i]);
  }
  write_command(0x80+0x40);
  for(j=0;j<16;j++)
  {
write_data(time[j]);
  }
}

void clock_write(uint s,uint m,uint h)
{
  write_sfm(0xc7,h);
  write_sfm(0xca,m);
  write_sfm(0xcd,s);
}

void T0_interserve(void) interrupt 1  using 1
{
  int_time++;
  if(int_time==20)
  {
int_time=0;
second++;
  }
  if(second==60)
  {
second=0;
minute++;
  }
  if(minute==60)
  {
minute=0;
hour++;
  }
  if(hour==24)
  {
hour=0;
  }
  TH0=(65536-46083)/256;
  TL0=(65536-46083)%256;
}

void main()
{
  lcd_initial();
  clock_init();
  TMOD=0x01;
  EA=1;
  ET0=1;
  TH0=(65536-46483)/256;
  TL0=(65536-46483)/256;
  TR0=1;
  int_time=0;
  second=55;
  minute=59;
  hour=23;
  while(1)
  {
clock_write(second,minute,hour);
  }
}

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作者: 吳宇 時(shí)間: 2017-10-25 13:54
多看看別人的程序。

作者: sldx 時(shí)間: 2017-10-26 00:20
你告訴我有啥錯(cuò)？

作者: cjjcjj1 時(shí)間: 2017-10-26 05:43
提示: 作者被禁止或刪除內(nèi)容自動(dòng)屏蔽

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