lcd1602.c

来自「DS1302的1602时钟电路设计LED数码管时钟电路采用24h计时方式」· C语言 代码 · 共 110 行

//#include<reg51.h>
sbit rs=P0^5;
sbit rw=P0^6;
sbit E=P0^7;

//...延时函数
void Delay(unsigned int a)
{
 for(a=a*100;a>0;a--);
 }
///////////////////

// ..........................以下为液晶模块在程序

//////////////
void WriteC(unsigned c)
{rw=0;
 rs=0;
 E=1;
 P2=c;
 Delay(1);  //0.1ms
 E=0;
// rw=1;
}

//////////////

void WriteD(unsigned char d)
{rw=0;
 rs=1;
 E=1;
 P2=d;
 Delay(1);  //0.1ms
 E=0;
 //rw=1;
}

//////////////

void InitLCD(void)   //初始化液晶
{ WriteC(0x38);
  WriteC(0x0c);
 }

/////////////////

//...

void GB(void)
{ WriteC(0x0e); 
  //WriteC(0x10);//
  //WriteC(0x14);//
  
  //WriteC(0x0e);//
  WriteC(0x06);//
 }

void ClearLCD(void)
{ WriteC(0x01);
  WriteC(0x02);
}

////////////////////

void Display_string(char *p)
{  while(*p)
      { WriteD(*p);
          p++;
       }
}

/////////////////
/*
void GotoXY(unsigned char x, unsigned char y)
{
	if(y==0)
		LCD_Write(LCD_COMMAND,0x80|x);
	if(y==1)
		LCD_Write(LCD_COMMAND,0x80|(x-0x40));
}*/
void Print(unsigned char *str)
{
	while(*str!='\0')
	{
		WriteD(*str);
		str++;
	}
 
}


void Gotoxy(unsigned x,unsigned y)
{    if(x==1)WriteC(128+y);
     else WriteC(192+y);
}
/////////////////////// 

// .................以上为液晶模块在程序

/*void main()
{  
    InitLCD();
    //ClearLCD();
    Display_string("Hi!Time is:00s");
    Gotoxy(2,1);
    Display_string("High is:000cm");
	//while(1);
   }*/