1602.c

基于51单片机设计的用1602 显示数字钟 频率计 歌曲

	}
}
/*===========================时间设置=====================================*/
void time_set()
 { 
  unsigned char sj[7];    //存储时间设置信息
  unsigned char i=1,j=0,g=0,s=0,b=0,q=0;
  LCMInit();              //LCD清屏
  while(i<6)
  {
   DisplayListChar(0,0, zf[i] ); 
   DisplayOneChar (8,0,shuzi[g]);
   DisplayOneChar (7,0,shuzi[s]); 
   i++;
   DisplayListChar(0,1, zf[i]); 
   DisplayOneChar (8,1,shuzi[b]);
   DisplayOneChar (7,1,shuzi[q]);
   i++;
   Locatexy(8,0);
   while(1)
   { g=time_add(g);
      if(g==j)
	     break;
     DisplayOneChar (8,0,shuzi[g]);
	 j=g;
   } 
 
   Locatexy(7,0);
    j=0;
   while(1)
   { s=time_add(s);
     if(s==j)
	    break;
     DisplayOneChar (7,0,shuzi[s]);
	 j=s;
   } 
   //
   Locatexy(8,1);
    j=0;
   while(1)
   { b=time_add(b);
     if(b==j)
	    break;
     DisplayOneChar (8,1,shuzi[b]);
	 j=b;
   }
   //
   Locatexy(7,1);
    j=0;
   while(1)
   { q=time_add(q);
     if(q==j)
	    break;
     DisplayOneChar (7,1,shuzi[q]);
	  j=q;
   } 
   sj[i-2]=s*16+g;    //计算出BCD码
   sj[i-1]=q*16+b;    //计算出BCD码
   g=s=b=q=0;
  }
  DisplayListChar (0,0,"Finished!!!!!!");
  DisplayListChar (0,1,"Finished!!!!!!");
  j=5;
  while(j--)          // 显示完成设置
  {Delay400Ms();
  }
  initialize_DS1302(0,sj[1],sj[2],sj[3],sj[4],sj[6],sj[5]); //时间设置
 
}
//==========================================================
uchar time_add(uchar i)
{   uchar j=0;
   while(1)
    {j=kscan();        //一次按键2 减1  zwj
         if(j==3) 
          {if(i==0) 
		      {i=10;}
		      i--;
			  break;
		  }
     else if(j==2)      //一次按键3 加1   zwj
	      {if(i==9)
 		      i=0;
		      i++;
			  break;
		  }	
	 else if(j==5||j==6) break;
		  
    }
   return i;
}
/*===========================闹钟关闭====================================*/

void clock_close()
{	unsigned char j=5 ;
	LCMInit();//LCD清屏
	DisplayListChar(0,0,"clock_close"); 
	clock=0;
   while(j--)          // 显示完成设置
   {Delay400Ms();
   }
   
}
/*===========================闹钟设置====================================*/
 void clock_set()
 {
  unsigned char i=0,j=0,g=0,s=0,b=0,q=0,key=0;
  LCMInit();              //LCD清屏
  while(i<2)
  {
   DisplayListChar(0,0,"Hour--:"); 
   DisplayOneChar (9,0,shuzi[g]);
   DisplayOneChar (8,0,shuzi[s]); 
   i++;
   DisplayListChar(0,1,"Minite:"); 
   DisplayOneChar (9,1,shuzi[b]);
   DisplayOneChar (8,1,shuzi[q]);
   i++;
   Locatexy(9,0);
   while(1)
   { g=time_add(g);
      if(g==j)
	     break;
     DisplayOneChar (9,0,shuzi[g]);
	 j=g;
   } 
   //
   Locatexy(8,0);
    j=0;
   while(1)
   { s=time_add(s);
     if(s==j)
	    break;
     DisplayOneChar (8,0,shuzi[s]);
	 j=s;
   } 
   //
   Locatexy(9,1);
    j=0;
   while(1)
   { b=time_add(b);
     if(b==j)
	    break;
     DisplayOneChar (9,1,shuzi[b]);
	 j=b;
   }
   //
   Locatexy(8,1);
    j=0;
   while(1)
   { q=time_add(q);
     if(q==j)
	    break;
     DisplayOneChar (8,1,shuzi[q]);
	  j=q;
   } 
   clk[i-2]=s*16+g;    //计算出BCD码//////开始时已经定义
   clk[i-1]=q*16+b;    //计算出BCD码
   g=s=b=q=0;
  }
  DisplayListChar (0,0,"Finished!!!!!!");
  DisplayListChar (0,1,"Finished!!!!!!");
  clock=1;
  j=5;
  while(j--)          // 显示完成设置
  {Delay400Ms();
  }
 
 }

////////////////////////////////时间显是示函数///////////////////////////////////////////////
void display( uchar sec,uchar min,uchar hrs,uchar date,uchar mon,uchar day,uchar yr)
{uchar G=0,S=0;      
 G=hrs%16;
 S=hrs/16;
 DisplayOneChar(7, 1, shuzi[G]);
 DisplayOneChar(6, 1, shuzi[S]);
 DisplayOneChar(8 , 1,  aa[0]  );    //显示":"
 G=min%16;  //BCD码数值转换
 S=min/16;  //BCD码数值转换
 DisplayOneChar(10, 1, shuzi[G]);
 DisplayOneChar(9 , 1, shuzi[S]);
 DisplayOneChar(11 , 1,  aa[0]  );    //显示":"
 G=sec%16;
 S=sec/16;
 DisplayOneChar(13, 1, shuzi[G]);
 DisplayOneChar(12, 1, shuzi[S]);
 G=yr%16;
 S=yr/16;
 DisplayOneChar(7, 0, shuzi[G]);
 DisplayOneChar(6, 0, shuzi[S]);
 DisplayOneChar(8, 0,  bb[0]  );     //显示":"
 G=mon%16;
 S=mon/16;
 DisplayOneChar(10, 0, shuzi[G]);
 DisplayOneChar(9 , 0, shuzi[S]);
 DisplayOneChar(11, 0,   bb[0]);    //显示":"
 G=date%16;
 S=date/16;
 DisplayOneChar(13, 0, shuzi[G]);
 DisplayOneChar(12, 0, shuzi[S]);
//星期
DisplayOneChar(15, 0, shuzi[day]); //显示星期
}

//写数据//////////////////////////////////////////////////////////////////////////////////
void WriteDataLCM(unsigned char WDLCM)//
{
ReadStatusLCM(); //检测忙
LCM_Data = WDLCM;
LCM_RS = 1;
LCM_RW = 0;
LCM_E = 0; //若晶振速度太高可以在这后加小的延时
LCM_E = 0; //延时
LCM_E = 1;
}

//写指令///////////////////////////////////////////////////////////////////////////////////
void WriteCommandLCM(unsigned char WCLCM,BuysC) //BuysC为0时忽略忙检测//
{
if (BuysC) ReadStatusLCM(); //根据需要检测忙
LCM_Data = WCLCM;
LCM_RS = 0;
LCM_RW = 0; 
LCM_E = 0;
LCM_E = 0;
LCM_E = 1; 
}

///////////////////////读数据//////////////////////////////////////////////////////////////
unsigned char ReadDataLCM(void)//
{
LCM_RS = 1; 
LCM_RW = 1;
LCM_E = 0;
LCM_E = 0;
LCM_E = 1;
return(LCM_Data);
}

////////////////////////读状态.////////////////////////////////////////////////////////////
unsigned char ReadStatusLCM(void)//
{
LCM_Data = 0xFF; 
LCM_RS = 0;
LCM_RW = 1;
LCM_E = 0;
LCM_E = 0;
LCM_E = 1;
while (LCM_Data & Busy); //检测忙信号
return(LCM_Data);
}

///////////////////////&&&LCM初始化&&&/////////////////////////////////////////////////////
void LCMInit(void) //
{
LCM_Data = 0;
WriteCommandLCM(0x38,0); //三次显示模式设置，不检测忙信号
Delay5Ms(); 
WriteCommandLCM(0x38,0);
Delay5Ms(); 
WriteCommandLCM(0x38,0);
Delay5Ms(); 

WriteCommandLCM(0x38,1); //显示模式设置,开始要求每次检测忙信号
WriteCommandLCM(0x08,1); //关闭显示
WriteCommandLCM(0x01,1); //显示清屏
WriteCommandLCM(0x06,1); // 显示光标移动设置
WriteCommandLCM(0x0e,1); // 显示开及光标设置
}
/////////////////////////确定光标位置//////////////////////////////////////////
void Locatexy(char x,char y)//
{ char temp;
  temp=x&0xf;
  y&=0x1;
  if(y)
    temp|=0x40;
  temp|=0x80;
  WriteCommandLCM(temp,0);
}
////////////////////////按指定位置显示一个字符//////////////////////////////////
void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData)//
{
Y &= 0x1;
X &= 0xF;              //X不能大于15，Y不能大于1
if (Y) X |= 0x40;      //显示第二行地址码+0x40;
X |= 0x80;             //算出指令码
WriteCommandLCM(X, 0); //不检测忙信号，发送地址码
WriteDataLCM(DData);
}

///////////////////////按指定位置显示一串字符////////////////////////////////////
void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData)//
{
unsigned char ListLength;

ListLength = 0;
Y &= 0x1;
X &= 0xF;                      //X不能大于15，Y不能大于1
while (DData[ListLength]>0x20) //若到达字串尾则退出
{
if (X <= 0xF)                  //X小于0xF
{
DisplayOneChar(X, Y, DData[ListLength]); //显示单个字符
ListLength++;
X++;
}
}
}

//////////////////////5ms延时////////////////////////////////////////////////////
void Delay5Ms(void)//
{
unsigned int TempCyc = 3552;
while(TempCyc--);
}

//////////////////////////400ms延时//////////////////////////////////////////////
void Delay400Ms(void)//
{
unsigned char TempCycA = 5;
unsigned int TempCycB;
while(TempCycA--)
{
TempCycB=5269;
while(TempCycB--);
};
}