2864液晶屏与单片机连接图.docx

1、2864液晶屏与单片机连接图Protel 制图Protues原理图程序部分：#include#define uchar unsigned char#define uint unsigned int/sbit databus=P1;#define databus P1/sbit Reset = P30; /复位sbit rs = P37; /指令数据选择sbit e = P35; /指令数据控制sbit cs1 = P33; /左屏幕选择，低电平有效sbit cs2 = P34; /右屏幕选择sbit wr = P36; /读写控制/sbit busy = P17; /忙标志void SendC

2、ommand(uchar command); /写指令void WriteData(uchar dat);/写数据void LcdDelay(uint time); /延时void SetOnOff(uchar onoff);/开关显示void ClearScreen(uchar screen); /清屏void SetLine(uchar line); /置页地址void SetColum(uchar colum);/置列地址void SetStartLine(uchar startline);/置显示起始行void SelectScreen(uchar screen);/选择屏幕void

3、Show1616(uchar lin,uchar colum,uchar *address);/显示一个汉字void InitLcd(); /初始化void ResetLcd(); /复位void Show_english(uchar lin,uchar colum,uchar *address);const uchar code hzk = /*- 文字: I -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,/*

4、- 文字: -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*- 文字: c -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,/*- 文字: a -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x00,0x00

5、,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,/*- 文字: n -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,/*- 文字: -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0

6、x00,0x00,0x00,0x00,/*- 文字: m -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,/*- 文字: a -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,/*- 文字: k -*/*- 宋体12; 此字体下对应的点阵

7、为：宽x高=8x16 -*/0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,/*- 文字: e -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,/*- 文字: -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0

8、0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*- 文字: i -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,/*- 文字: t -*/*- 宋体12; 此字体下对应的点阵为：宽x高=8x16 -*/0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,/*- 文字:

9、！ -*/*- 宋体12; 此字体下对应的点阵为：宽x高=16x16 -*/0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x5F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*- 文字: 我 -*/*- 楷体12; 此字体下对应的点阵为：宽x高=16x16 -*/0x00,0x00,0x80,0x90,0xF0,0x48,0x40,0x7F,0xC0,0x20,0x24,0

10、xA8,0x00,0x00,0x00,0x00,0x08,0x08,0x04,0x14,0x3F,0x02,0x09,0x08,0x05,0x06,0x09,0x10,0x20,0x78,0x00,0x00,/*- 文字: 的 -*/*- 楷体12; 此字体下对应的点阵为：宽x高=16x16 -*/0x00,0xC0,0x60,0x50,0x2C,0xE0,0x80,0x40,0xA0,0x38,0x26,0x10,0xF0,0x00,0x00,0x00,0x00,0x07,0x19,0x09,0x08,0x1F,0x00,0x00,0x00,0x03,0x10,0x20,0x1F,0x00,

11、0x00,0x00,/*- 文字: 未 -*/*- 楷体12; 此字体下对应的点阵为：宽x高=16x16 -*/0x00,0x00,0x80,0x80,0x90,0x90,0xFF,0xC8,0x48,0x48,0x40,0x40,0x00,0x00,0x00,0x00,0x10,0x10,0x08,0x04,0x02,0x01,0x7F,0x00,0x01,0x02,0x04,0x08,0x18,0x10,0x10,0x00,/*- 文字: 来 -*/*- 楷体12; 此字体下对应的点阵为：宽x高=16x16 -*/0x00,0x80,0x80,0xA8,0xC8,0x88,0xFF,0x8

12、4,0x64,0x54,0x40,0x40,0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x08,0x04,0x02,0x7F,0x01,0x02,0x04,0x0C,0x08,0x08,0x08,0x08,0x00,/*- 文字: 不 -*/*- 楷体12; 此字体下对应的点阵为：宽x高=16x16 -*/0x00,0x00,0x08,0x08,0x08,0x88,0x48,0xE4,0x14,0x8C,0x84,0x04,0x04,0x04,0x00,0x00,0x00,0x04,0x04,0x02,0x01,0x00,0x00,0x3F,0x00,0x00,0x

13、00,0x01,0x03,0x06,0x00,0x00,/*- 文字: 是 -*/*- 楷体12; 此字体下对应的点阵为：宽x高=16x16 -*/0x00,0x00,0x80,0x80,0x82,0x9E,0xAA,0xAA,0xA1,0x5D,0x43,0x40,0x00,0x00,0x00,0x00,0x20,0x20,0x10,0x08,0x06,0x04,0x08,0x1F,0x12,0x22,0x22,0x20,0x20,0x20,0x20,0x00,/*- 文字: 梦 -*/*- 楷体12; 此字体下对应的点阵为：宽x高=16x16 -*/0x00,0x90,0x50,0x30,

14、0xFE,0x28,0x48,0x28,0x18,0xFF,0x14,0x24,0x24,0x40,0x40,0x00,0x00,0x00,0x40,0x48,0x44,0x26,0x2B,0x12,0x0A,0x06,0x00,0x00,0x00,0x00,0x00,0x00,/*- 文字: ！ -*/*- 楷体12; 此字体下对应的点阵为：宽x高=16x16 -*/0x00,0x00,0x00,0xFC,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x19,0x19,0x00,0x00

15、,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,;void main() uchar i,line,colum/*,j */; uchar *address ; InitLcd(); while(1)/*显示第一行*/*下面这段程序用来卷页*/* line=0; for(j=0;j4;j+) ClearScreen(2);/清屏 line=line+1; colum=0; address=hzk; SetOnOff(1); for(i=0;i14;i+) if(i=8) if(i13) SelectScreen(1); Show_english(li

16、ne,colum,address); address+=16; colum+=8; else Show1616(line,colum,address); address+=32; colum+=16; for(i = 0;i 50;i +) /延时 LcdDelay(3000); */ line=1; /开始从第2页（第9行）开始显示， colum=0; /开始从第一列开始显示 address=hzk;/给地址指针赋初值 SetOnOff(1);/显示开，注意：如果这里设置显示关，显示会出现错误 for(i=0;i14;i+)/设置要显示的字符个数 if(i8) /i=8) /当i8时（当然最

17、多只能是16）在右屏显示 if(i13) /本程序第一行前13个字符为英文字符，最后一个字符为中文字符，英文字符和中文字符必须分开显示 SelectScreen(1); Show_english(line,colum,address); address+=16; colum+=8; else /显示中文字符“！” Show1616(line,colum,address);/显示一个汉字 address+=32; /每个汉字要用32个16进制表示 colum+=16; /每个汉字占16列 /*显示第二行*/ /*显示原理与第一行完全相同，这里不再赘述了*/ line=4; colum=1; Se

18、tOnOff(1); for(i=0;i8;i+) if(i4) SelectScreen(0); Show1616(line,colum,address); address+=32; colum+=16; else SelectScreen(1); Show1616(line,colum,address); address+=32; colum+=16; SetOnOff(1); for(i = 0;i 63) colum=0; /*延时函数*/void LcdDelay(uint time) while(time-);/*写指令*/void SendCommand(uchar comman

19、d) e=1; wr=0; rs=0; databus=command; e=0;/*写数据*/void WriteData(uchar dat) e=1; wr=0; rs=1; databus=dat; e=0;/*显示开/关*/void SetOnOff(uchar onoff) if(onoff=1) SendCommand(0x3f); else SendCommand(0x3e); /*选择页*/void SetLine(uchar line) /12864总共有8页（07），每页有8行 line=line&0x07; /只取后三位xxxx x111 ，这3个是要改变位置的数据 l

20、ine=line|0xb8; /页设置的固定格式 SendCommand(line);/*选择列*/void SetColum(uchar colum) /12864每半屏有64列（063），分为左右2屏 colum=colum&0x3f; /xx11 1111,这个是要改变Y位置的数据 colum=colum|0x40; /固定格式 SendCommand(colum);/*选择起始行*/void SetStartLine(uchar startline) startline=startline&0x3f;/xx11 1111,这个是要改变x位置的数据 startline=startline

21、|0xc0;/11xxxxxx，是起始行设置的固定指令 SendCommand(startline);/*选择左右屏0：左屏，1：右屏，2：全屏*/void SelectScreen(uchar screen) switch(screen) case 0: cs1=0; LcdDelay(2); cs2=1; LcdDelay(2); break; case 1: cs1=1; LcdDelay(2); cs2=0; LcdDelay(2); break; case 2: cs1=0; LcdDelay(2); cs2=0; LcdDelay(2); break; /*显示一个汉字*/void

22、 Show1616(uchar lin,uchar colum,uchar *address) uchar i; SetLine(lin); SetColum(colum); for(i=0;i16;i+) WriteData(*address); address+; SetLine(lin+1); SetColum(colum); for(i=0;i16;i+) WriteData(*address); address+; /*显示一个英文字符*/void Show_english(uchar lin,uchar colum,uchar *address) uchar i; SetLine(

23、lin); SetColum(colum); for(i=0;i8;i+) WriteData(*address); address+; SetLine(lin+1); SetColum(colum); for(i=0;i8;i+) WriteData(*address); address+; /*清屏*/ void ClearScreen(uchar screen) uchar i,j; SelectScreen(screen); for(i=0;i8;i+) SetLine(i); SetColum(0); for(j=0;j64;j+) WriteData(0); /*12864初始化*/void InitLcd()/ ResetLcd(); SetOnOff(0);/显示关 ClearScreen(2);/清屏 SetLine(0);/页设置 SetColum(0);/列设置 SetStartLine(0);/设置起始页 SetOnOff(1);/显示开仿真实图：