12864.c

来自「在Keil uVision3环境下开发的」· C语言 代码 · 共 552 行 · 第 1/2 页

C
552 行
字号
12
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/*软件延时 Delay()*/
void Delay(unsigned int count)
{
	unsigned char i;
	while(--count != 0)
	{
		for(i = 0; i < 125; i++); // ";" 表示空语句,CPU空转。
	} // i 从0加到125，在12M晶体下CPU大概耗时1毫秒
}

/*LCM12864测忙函数 LCM12864_TestBusy()*/
void LCM12864_TestBusy(void)
{
	LCM12864_RW = 1;
	LCM12864_RS = 0;
	LCM12864_E = 0;
	LCM12864_E = 1;
	while(LCM12864_DB7_DB0 & LCM12864_STATUS_BUSY);
}

/*写指令到LCM12864 LCM12864_WriteCMD()*/
void LCM12864_WriteCMD(unsigned char LCM12864_command)
{ //LCM12864_command 欲写入指令
	LCM12864_TestBusy();
	LCM12864_RW = 0; LCM12864_RS = 0;
	LCM12864_DB7_DB0 = LCM12864_command;
	LCM12864_E = 0;
	LCM12864_E = 1;
	LCM12864_TestBusy();
}

/*写数据到LCM12864 LCM12864_WriteData()*/
void LCM12864_WriteData(unsigned char LCM12864_data)
{ //LCM12864_command 欲写入数据
	LCM12864_RW = 0; LCM12864_RS = 1;
	LCM12864_DB7_DB0 = LCM12864_data;
	LCM12864_E = 0;
	LCM12864_E = 1;
	LCM12864_TestBusy(); //读LCM忙
}

/*向LCM12864填充数据 LCM12864_Fill_Screen()*/
void LCM12864_Fill_Screen( unsigned char t, //设置涮屏速度（为1不涮屏,默认为60）
unsigned char LCM12864_FillData)//欲写入的数据
{ 
	unsigned char x,y;
	LCM12864_CS1 = 0;LCM12864_CS2 = 0; // 选中左半屏及右半屏
	LCM12864_WriteCMD(LCM12864_START_ROW+0); // 设置显示起始行为0
	for(x=0;x<8;x++)
	{
		Delay(t); // 涮屏速度延时
		LCM12864_WriteCMD(LCM12864_PAGE_START_ADDR+x); // 设置页地址
		// // 设置列地址
		for(y=0;y<64;y++)
		{
			LCM12864_WriteCMD(LCM12864_COL_START_ADDR+y); 
			LCM12864_WriteData(LCM12864_FillData);
		}
	}
	LCM12864_CS1 = 1; // 不选中右半屏
	LCM12864_CS2 = 1; // 不选中右半屏
}

/*LCM12864清屏 LCM12864_Clear_Screen()*/
void LCM12864_Clear_Screen(void)
{
	LCM12864_Fill_Screen(60,0x00); //写入0到每个显示区
}

/*显示128*64图片 LCM12864_Disp_Bitmap_12864()*/
void LCM12864_Disp_Bitmap_12864( unsigned char t, //设置涮屏速度（为1不涮屏,默认为60）
unsigned char code *bitmap_12864)//128*64点阵图像所在数组表
{ 
	unsigned char j,k;
	for(k=0;k<8;k++)
	{ //设置8页的显示
		Delay(t);
		LCM12864_CS1 = 0;LCM12864_CS2 = 1; //半屏选中
		LCM12864_WriteCMD(LCM12864_PAGE_START_ADDR+k); //选中页
		//选中列
		for(j=0;j<64;j++)
		{
		LCM12864_WriteCMD(LCM12864_COL_START_ADDR+j);
		LCM12864_WriteData(bitmap_12864[k*128+j]); //开始写入数据
		}
		LCM12864_CS1 = 1;LCM12864_CS2 = 0;
		LCM12864_WriteCMD(LCM12864_PAGE_START_ADDR+k);
		for(j=64;j<128;j++)
		{
		LCM12864_WriteCMD(LCM12864_COL_START_ADDR+j-64);
		LCM12864_WriteData(bitmap_12864[k*128+j]);
		}
	}
}

/*在LCM12864的指定点显示16*16点阵汉字 LCM12864_Disp_Chinese_16_16()*/
void LCM12864_Disp_Char_x_16( 
unsigned char t, //设置书写速度（为1直接显示，默认为12）
unsigned char b, //输入8：8*16字符，16：16*16字符
unsigned char LCM12864_page, //LCM12864的页地址（0~7）
unsigned char LCM12864_col, //LCM12864的列地址（0~128）注意：右半屏起始是64
unsigned char  *Char_x_16) //16*16点阵汉字字模（纵向取模，字节倒序）	
{
	unsigned char j=0,i=0;
	if(LCM12864_col < 64 )
	{
		LCM12864_CS1 = 0; LCM12864_CS2 = 1; //判断屏幕使能
	}
	else
	{
		LCM12864_CS1 = 1; LCM12864_CS2 = 0;
		LCM12864_col = LCM12864_col - 64;
	}
	for(j=0;j<2;j++)
	{
		LCM12864_WriteCMD(LCM12864_PAGE_START_ADDR+LCM12864_page+j);
		for(i=0;i<b;i++)
		{
			LCM12864_WriteCMD(LCM12864_COL_START_ADDR+LCM12864_col+i);
			LCM12864_WriteData(Char_x_16[b*j+i]);
			Delay(t);
		}
	}
}

/*用一个一维数组time[]来存储时间,时间格式00:00:00*/
/*void disbuftime(void)
{
    time[7]=second%10;
	time[6]=second/10;
	time[5]=10;
	time[4]=minute%10;
	time[3]=minute/10;
	time[2]=10;
	time[1]=hour%10;
	time[0]=hour/10;
}*/

/*写时间*/
/*void distime(unsigned char timecode) 
{
    unsigned char j=0,i=0;
	LCM12864_CS1 = 0; LCM12864_CS2 = 1; //左屏
	disbuftime();
    for(j=6;j<8;j++)//页
    {
      LCM12864_WriteCMD(LCM12864_PAGE_START_ADDR+j);
	  for(i=0;i<8;i++)
	  {   
	     LCM12864_WriteCMD(LCM12864_COL_START_ADDR+i);
         LCM12864_WriteData(timecode[time[i]][16]);
	  }
    }
} */ 

/*LCM12864初始化 LCM12864_Init()*/
void LCM12864_Init(void)
{
	LCM12864_RESET = 0; //复位
	Delay(300);
	LCM12864_RESET = 1;
	Delay(300);
	LCM12864_Clear_Screen(); //清除屏幕
	LCM12864_CS1 = 0; LCM12864_CS2 = 0; //选中双屏
	LCM12864_WriteCMD(LCM12864_DISP_OFF); //关显示
	LCM12864_WriteCMD(LCM12864_PAGE_START_ADDR+0); //第0页位置
	LCM12864_WriteCMD(LCM12864_START_ROW+0); //第0行
	LCM12864_WriteCMD(LCM12864_COL_START_ADDR+0); //第0列
	LCM12864_WriteCMD(LCM12864_DISP_ON); //开显示
/*	TMOD = 0x01;		// 定时器0,, 16位定时方式
	TH0=(65536-50000)/256;
    TL0=(65536-50000)%256;
	hour=00;
	minute=00;
	second=00;
    EA=1;
    ET0=1;
    TR0=1;	*/
}
/* 以上是 LCM12864液晶模块驱动程序*/

/*LCM12864液晶模块驱动演示 main()*/
void main (void)
{
	unsigned char /*lx = 32,*/i;
	LCM12864_Init(); // LCM12864初始化
	while(1)
	{

		LCM12864_Disp_Bitmap_12864(60,tuxin); //显示图像
		Delay(3000); //延时3秒
		LCM12864_Clear_Screen(); //清除屏幕
		LCM12864_Disp_Char_x_16(12,16,0,5,chuang); 
		Delay(500);
		LCM12864_Disp_Char_x_16(12,16,0,25,xin); 
		Delay(500);
		LCM12864_Disp_Char_x_16(12,16,0,45,shi); 
		Delay(500);
		LCM12864_Disp_Char_x_16(12,16,0,65,ya); 
		Delay(500);
		LCM12864_Disp_Char_x_16(12,16,0,85,si); 
		Delay(500);
	    for(i=0;i<3;i++)
		{ //显示字符串“Dy1286
			LCM12864_Disp_Char_x_16(1,16,2,32+16*i,nAsciiDot+32*i); //显示"12864",从第二行32列开始
		//	Delay(1000);
        }
		for(i=0;i<15;i++)
		{
		    LCM12864_Disp_Char_x_16(12,8,4,8*i,Tel+16*i);
			Delay(100);
		}
       // LCM12864_Disp_Char_x_8(6,0,timecode[time[i]][16]);
		//Delay(1000);
    }
}
/*定时器中断0的方式1来处理时钟显示*/
/*void timer0() interrupt 1
{
  TH0=(65536-50000)/256;
  TL0=(65536-50000)%256;
  count++;
  if(count==18)//每进入一次为1秒
  {
    count=0;
	second++;
	if(second==60)
	{
	  second=0;
	  minute++;
	  if(minute==60)
	  {
	    minute=0;
		hour++;
		if(hour==24)
		{
		  hour=0;
        }
	  }
	}
  }
} */
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12864.c - 源码说明

本页面展示了「在Keil uVision3环境下开发的」中的 12864.c 源码文件，采用 C语言 编程语言编写，共 552 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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