1602制作计算器 - - Powered by Discuz!

标题: 1602制作计算器 [打印本页]

作者: 清醒梦 时间: 2017-10-31 14:07
标题: 1602制作计算器
有谁可以帮忙看下程序吗？就是程序无法做运算？
#include<reg52.h>
#include<stdio.h>
#define uint unsigned int
#define uchar unsigned char
sbit lcdrs=P2^6;
sbit lcdrw=P2^5;
sbit lcden=P2^7;
void delay(uint z)
{
   uint x,y;
   for(x=z;x>0;x--)
      for(y=110;y>0;y--);
}
void write_com(uchar com)
{
lcdrs=0;
lcden=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_data(uchar date)
{
lcdrs=1;
lcden=0;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void init()
{
lcden=0;
lcdrw=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x30);
write_com(0x80);
}
void write_char(uchar x,uchar y,uchar dat)
{
  if(y==0)
  {
write_com(0x80+x);
  }
  else
  {
write_com(0xc0+x);
  }
  write_data( dat);
}
void write_string(uchar x,uchar y,uchar *s)
{
if(y==0)
  {
write_com(0x80+x);
  }
  else
  {
write_com(0xc0+x);
  }
  while(*s)
  {
write_data(*s);
s++;
  }
}
uchar keyscan()
{
  unsigned char cord_h,cord_l;
  P1=0x0f;
  cord_h=P1&0x0f;
if(cord_h!=0x0f)
{
   delay(50);
   if((P1&0x0f)!=0x0f)
   {
      cord_h=P1&0x0f;
   P1=cord_h|0xf0;
   cord_l=P1&0xf0;
   while((P1&0xf0)!=0xf0);
   return(cord_h+cord_l);
   }
}
return(0xff);
}
unsigned char keypro()
{
switch(keyscan())
{
      case 0x77:return '+';break;
      case 0x7b:return '-';break;
case 0x7d:return 'x';break;
case 0x7e:return '/';break;
case 0xbb:return '3';break;
case 0xbd:return '6';break;
case 0xbe:return '9';break;
case 0xb7:return '=';break;
      case 0xdb:return '2';break;
      case 0xdd:return '5';break;
case 0xde:return '8';break;
      case 0xd7:return '0';break;
case 0xeb:return '1';break;
case 0xed:return '4';break;
case 0xee:return '7';break;
case 0xe7:return '.';break;
default:return 0xff;break;
}
}
  void main()
{
unsigned char i,num,sign;
unsigned char temp[16];
bit firstflag;
float a=0,b=0;
unsigned char s;
init();
delay(10);
write_com(0x01);
while(1)
{
   num=keypro();
   if(num!=0xff)
   {
      if(i==0)
write_com(0x01);
if(('+'==num)||(i==16)||('-'==num)||('*'==num)||('='==num)||('/'==num))
{
i=0;
if(firstflag==0)
   {
   sscanf(temp,"%f",&a);
   firstflag=1;
   }
   else
   sscanf(temp,"%f",&b);
for(s=0;s<16;s++)
temp[s]=0;
write_char(0,1,num);
if(num!='=')
{
write_char(0,0,num);
sign=num;
}
   else
   {
      firstflag=0;
   switch(sign)
   {
   case '+':a=a+b;break;
   case '-':a=a-b;break;
   case '*':a=a*b;break;
   case '/':a=a/b;break;
   default:break;
   }
sprintf(temp,"%f",a);
write_string(1,1,temp);
sign=0;a=b=0;
for(s=0;s<16;s++)
temp[s]=0;
   }
}
else if(i<16)
{
   if((0==i)&&(temp[0]=0))
   {
      if(num=='0')
{
   write_com(0x01);
}
else
{
   temp[0]=num;
   i++;
   write_char(0,0,num);
}
   }
   else
   {
      temp[i]=num;
write_char(i,0,num);
i++;
   }
}
   }
}

}

作者: 莫先生 时间: 2017-11-1 09:32
好厉害

作者: Lb12138 时间: 2017-11-1 10:32
厉害了

作者: blue2008czm 时间: 2017-11-1 10:48
厉害了

作者: blue2008czm 时间: 2017-11-1 10:49
厉害啊，学习

作者: weiwei850113 时间: 2017-11-2 21:04
运行不起来么

作者: zhu814046410 时间: 2017-11-3 16:02
#include <reg51.h>
sbit K1=P2^0;
sbit K2=P2^1;
sbit K3=P2^2;
sbit K4=P2^3;
sbit K5=P2^4;
sbit K6=P2^5;
sbit K7=P2^6;
sbit K8=P2^7;
sbit K9=P1^5;
sbit K10=P1^6;
sbit bell=P1^7;
sbit RS = P1^0;
sbit RW = P1^1;
sbit E  = P1^2;
void init();
void wcom(unsigned char i);
void wdata(unsigned char i);
void ifnotbusy(void);
unsigned char code music_H[]={0xfc,0xfc,0xfd,0xfd,0xfd,0xfd,0xfe,0xfe, 0xfa,0xfb,0xfb,0xfb,0xfa, 0xf9,0xfa,0xfb, 0xfb,0xfa,0xfb,0xfb,0xfa,0xf9,0xf9,0xfa,0xf9,0xfb,0xfa,0xfa,0xf9,0xf9,0xfb,0xf9,0xf9,0xfb,0xf9, 0xf9,0xf9,0xfa, 0xf9,0xf9,0xfa, 0xfb,0xfb,0xfb,0xfb,0xfb,0xf9,0xfa};
   unsigned char code music_L[]={0x8f,0xef,0x45,0x6c,0xb4,0xf4,0x2e,0x3d, 0x8c,0x68,0xe9,0x68,0xbc, 0xe1,0x8c,0x68, 0x68,0x8c,0x68,0x68,0x8c,0xe1,0x21,0x8c,0xe1,0x68,0xd8,0x8c,0x21,0xe1,0x68,0x21,0xe1,0x68,0x21, 0x21,0x21,0x8c, 0x21,0x21,0x8c, 0xe9,0xe9,0xe9,0xe9,0x68,0x21,0x8c};
   unsigned char code Time[]={500,500,500,500,500,500,500,500,500,500,500,500,500,250,250,500,500,800,500,500,500,500,250,250,500,500,800,500,500,1000,500,500,1000,500,500,500,500,500,500,500,500,500,500,500,500,500};
   int i;
   void fy();
   void delay( int k);
main()
{
TMOD=0x01; //选择方式1
TH0=music_H[i]; // 高八位
TL0=music_L[i]; //低八位
//TR0=1; //启动计时
   while(1){
   if(K1==0)
   {delay(10);
      if(K1==0)
   {
      i=0;
      fy();
   init();
   wcom(0x80);
   wdata(0x31);

   }
}

   if(K2==0)
   {delay(10);
      if(K2==0)
   {
      i=1;
   fy();
   init();
   wcom(0x80);
   wdata(0x32);

   }
   }
   if(K3==0)
   {delay(10);
      if(K3==0)
   {
      i=2;
   fy();
   init();
   wcom(0x80);
   wdata(0x33);
   }
   }
   if(K4==0)
   {delay(10);
      if(K4==0)
   {       i=3;
   fy();
   init();
   wcom(0x80);
   wdata(0x34);
   }
   }
   if(K5==0)
   {delay(10);

      if(K5==0)
   {       i=4;
   fy();
   init();
   wcom(0x80);
   wdata(0x35);
   }
   }
   if(K6==0)
   {delay(10);
      if(K6==0)
   {       i=5;
   fy();
   init();
        wcom(0x80);
   wdata(0x36);
   }
   }
         if(K7==0)
   {delay(10);
      if(K7==0)
   {          i=6;

   fy();
   init();
   wcom(0x80);
   wdata(0x37);
   }
   }
   if(K8==0)
   {delay(10);
      if(K8==0)
   {          i=7;

   fy();
   init();
   wcom(0x80);
   wdata(0x38);
   }
   }
   if(K9==0)
   {delay(10);
      if(K9==0)

   {    i=8;
   wcom(0x80);
   wdata('l');
   wcom(0x81);
   wdata('z');
   wcom(0x82);
   wdata('l');
   wcom(0x83);
   wdata('h');

   while(1)
   {
      fy();
   i++;
   if(i>=25)
   break;

   }
}

   }
      if(K10==0)
   {delay(10);
      if(K10==0)

   {    i=40;
   wcom(0x80);
   wdata('h');
   wcom(0x81);
   wdata('l');
   wcom(0x82);
   wdata('w');

   while(1)
   {
      fy();
   i++;
   if(i>=53)
   break;

   }
}

   }
   }
   }

  void fy()
  { int j=0;
TR0=1;
while(j<Time[i])    //Time[i]music_Time[i]
{ if(TF0==1)    //定时/计数器溢出标志位 TF0=1 表示溢出
   { TF0=0;
      TH0=music_H[i];
   TL0=music_L[i];
   bell=!bell;
   j++;
}
}
   TR0=0;
  }
  void delay(int k)
  {
int b,d;
   for (d=0;d<k;d++)
   {
for(b=0;b<250;b++);
  }
  }
  void init()
  {
wcom(0x01);
wcom(0x38);
wcom(0x06);
wcom(0x0c);

  }
  void ifnotbusy()
{ P0=0xff;
RS=0;
RW=1;
E=0;
E=1;
while(P0&0x80)
{
E=0;E=1;
}
}
void wcom(unsigned char j)
{ifnotbusy();
E=0;
RS=0;
RW=0;
P0=j;
E=1;
E=0;
}
void wdata(unsigned char j)
{ifnotbusy();
E=0;
RS=1;
RW=0;
P0=j;
E=1;
E=0;
}

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