久久久久久久999_99精品久久精品一区二区爱城_成人欧美一区二区三区在线播放_国产精品日本一区二区不卡视频_国产午夜视频_欧美精品在线观看免费

標(biāo)題: 求大神幫我在這個(gè)代碼后面注釋，我是小白（傳送帶計(jì)數(shù)器設(shè)計(jì)） [打印本頁(yè)]

作者: 1124329894 時(shí)間: 2018-4-9 19:44
標(biāo)題: 求大神幫我在這個(gè)代碼后面注釋，我是小白（傳送帶計(jì)數(shù)器設(shè)計(jì)）
#include <reg51.h>
#include <intrins.h>
#define uchar  unsigned char
#define uint unsigned int
#define ulong unsigned long
//用液晶屏顯示參數(shù)
uchar code zifx0[]="0123456789abcdef";
uchar code zifu0[]="Now Number:0000";
uchar code zifu1[]="Set Number:0000";
sbit  RS=P3^1; //寫信號(hào)
sbit  RWW=P3^3; //讀信號(hào)
sbit  E=P3^4; //使能信號(hào)
#define e1 E=1
#define rd1  RWW=1
#define rs1  RS=1
#define e0 E=0
#define rd0  RWW=0
#define rs0  RS=0
#define PP P1
//延時(shí)函數(shù)ms
void _delay_ms(uint t)
{
uint i,j;
for(i=0;i<t;i++)
   for(j=0;j<120;j++);
}
//延時(shí)函數(shù)us
void _delay_us(uchar t)
{
while(t>0)t--;
}
//寫1602控制字
void  lcd1602_writecrtl(uchar  dat)
{
  rd0;//讀信號(hào)置0
  rs0;//寫信號(hào)置0
  _delay_us(5);
  PP=dat;
  e1;//使能信號(hào)置1
  _delay_us(5);
  e0;//使能信號(hào)置0
}
//寫1602數(shù)據(jù)
void  lcd1602_writenumber(uchar dat)
{
  rd0;//讀信號(hào)置0
  rs1;//寫信號(hào)置1
  _delay_us(5);
  PP=dat;
  e1;//使能信號(hào)置1
  _delay_us(5);
  e0;//使能信號(hào)置0
}
//1602初始化
void  lcd1602_init()
{
  lcd1602_writecrtl(0x38); //顯示模式
  lcd1602_writecrtl(0x06); //顯示光標(biāo)移動(dòng)位置
  lcd1602_writecrtl(0x0c); //顯示開(kāi)及光標(biāo)設(shè)置
  lcd1602_writecrtl(0x01); //顯示清屏
}
//顯示地址
void  lcd1602_adr(uchar dat)
{
  lcd1602_writecrtl(0x80 | dat);
}
//行顯示-
void LCD1602_string(uchar hang,uchar lie,uchar const *p)
{
uchar a;
if(hang == 1) a = 0x00;
if(hang == 2) a = 0x40;
a = a + lie - 1;
lcd1602_adr(a);
while(1)
{
if(*p == '\0') break;
lcd1602_writenumber(*p);
p++;
}
}

uint  keyn1=16;//按鍵值
uint  keyn=16;//緩沖
#define PK P2
//按鍵掃描
void key_z()
{

PK=0X0F;
if(!(PK==0X0F))
{
if(!(PK==0X0F))
{
keyn1=0;
keyn=0;
PK=0X0F;
if(PK==0X0E)    keyn1=0;
if(PK==0X0D)    keyn1=1;
if(PK==0X0B)    keyn1=2;
if(PK==0X07)    keyn1=3;
PK=0XF0;
if(PK==0XE0)    keyn=0+keyn1;
if(PK==0XD0)    keyn=4+keyn1;
if(PK==0XB0)    keyn=8+keyn1;
if(PK==0X70)    keyn=12+keyn1;
switch(keyn)
{
      case 0: keyn1=1; break;
      case 4: keyn1=2; break;
      case 8: keyn1=3; break;
      case 12:keyn1=10; break;
      case 1: keyn1=4; break;
      case 5: keyn1=5; break;
      case 9: keyn1=6; break;
      case 13:keyn1=11; break;
      case 2: keyn1=7; break;
      case 6: keyn1=8; break;
      case 10:keyn1=9;break;
   case 14:keyn1=12;break;
   case 3: keyn1=14;break;//*
      case 7: keyn1=0;break;
      case 11:keyn1=15;break;//#
      case 15:keyn1=13;break;
   }
}
  else keyn1=16;
  PK=0X0F;while((!(PK==0X0F)));
}

}//LED
sbit led1=P0^0;
sbit beer=P3^5;
sbit out=P3^6;
sbit k1=P3^7;
sbit P32=P3^2;
//變量
uint  now=0;
uint  set=10;
uint  bzbu=0;//設(shè)置
uint  bz=0;//模式
uint  qidong=0;//運(yùn)行
//顯示控制
void dis()
{
  //now
  lcd1602_adr(0x0B);
  lcd1602_writenumber(0x30+now%10000/1000);
  lcd1602_writenumber(0x30+now%1000/100);
  lcd1602_writenumber(0x30+now%100/10);
  lcd1602_writenumber(0x30+now%10);
  //set
  lcd1602_adr(0x4B);
  lcd1602_writenumber(0x30+set%10000/1000);
  lcd1602_writenumber(0x30+set%1000/100);
  lcd1602_writenumber(0x30+set%100/10);
  lcd1602_writenumber(0x30+set%10);
  if(bz==0)lcd1602_writenumber(' ');
  if(bz==1)lcd1602_writenumber('<');
//啟動(dòng)
  if(bz==0)
  {
if(k1==0){qidong=(qidong+1)%2;if(qidong==1){led1=0;;out=0;}else {led1=1;out=1;}while(k1==0);}
}
//啟動(dòng)
  if(qidong==1)
  {
if(now>=set){qidong=0;led1=1;out=1;beer=0;_delay_ms(500);  }
}
//啟動(dòng)
  if(qidong==0)
  {
beer=1;
}
}
//按鍵功能函數(shù)
void key()
{
  //掃描
  key_z();
  if(keyn1<16)
  {
if((keyn1<10)&&(bz==1))
{
   if(bzbu==0){set=keyn1;}
   if(bzbu==1){set=set*10+keyn1;}
   if(bzbu==2){set=set*10+keyn1;}
   if(bzbu==3){set=set*10+keyn1;}
   bzbu=(bzbu+1)%4;
}
if((keyn1==0x0a)&&(bz==0)){now=0;}//復(fù)位
if((keyn1==0x0b)&&(bz==1)){set=0;}//復(fù)位輸入
if((keyn1==0x0c)&&(qidong==0)){bz=1;}//設(shè)置
if(keyn1==0x0d){bz=0;}//退出
keyn1=16;
  }
}
//-----------------------
void main()
{
  _delay_us(10);
  _delay_ms(10);
  //中斷允許
  IT0=1;
  EX0=1;
  EA=1;
  //初始化
  lcd1602_init();
  LCD1602_string(1,1,zifu0);
  LCD1602_string(1,1,zifu0);
  LCD1602_string(2,1,zifu1);
  while(1)
  {
dis(); //顯示
key();
  }
}

//INT0中斷函數(shù)
void  EX_INT0() interrupt 0
{
if(qidong==1)
{
  _delay_ms(3);if(P32==0)now=now+1;
}
}

作者: 優(yōu)雅的刺猬 時(shí)間: 2018-5-24 22:30
這是個(gè)啥？？光看到顯示了

歡迎光臨 (http://www.zg4o1577.cn/bbs/)