12864液晶显示器(ST7920)显示程序(并口)

1、12864液晶显示器（ST7920）显示程序（并口）附字模软件 作者：纪小年16七月2009时间： 下午10:25 and have 10条评论前两天写了一个ST7920控制12864显示的串口程序，今天瞎逛的时候发现了这个超强悍的并口程序，转载一下。来源：CnChina做了比较详细的注释，看不懂的可以问我。下面的图片中12864所显示的logo就是我用这个程序得到的附程序:/*Copyright 2007All rights reserved.文件名：.c模块名称：st7920并行方式驱动12864液晶驱动功能概要：st7920显示驱动取代版本：0.0.1修改人：pulan完成日期：2007

2、.07.08升级说明：createCPU: stc89c58 主频：11.0592M液晶型号：128*64生产厂家：驱动芯片：st7920*/#i nclude#defi ne uint un sig ned int#defi ne uchar un sig ned char0x800x880x80/1000 0000/1000 1000/1000 0000/定义传送指令代码为0/定义传送数据代码为1#defi ne x1 0x80#defi ne x2 0x88#defi ne y 0x80#defi ne comm 0#defi ne dat 1sbit RS = P2A0;sbit RW

3、 = P2A1； sbit E =卩2八3;sbit PSB= P2A4; sbit RST= P2A2; sbit busy=P0A7;H=读操作;L=写操作;/使能端H=并口 ； L=串口 ；/复位信号低电平有效 /LCD忙信号void wr_lcd (uchar dat_comm,uchar conten t);void chk_busy (void);void delay (uint us);uchar code tab1="本系列中文模块内""任意位置反白显示""置二级字库，可在""使用更方便更灵活"uc

4、har code tab31="金鹏科技有限公司""Golde n Palm TECH"uchar code tab32=/*- 调入了一幅图像： 梁 画图HOCO12832.bmp -*/*- 宽度 x 高度=128x32 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1E,0x00,0x00,0x00,0x00,0x00,0x07,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00

5、,0x7F,0x80,0x00,0x00,0x00,0x00,0x18,0x0C,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x01,0xFF,0x80,0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x13,0x10,0x03 ,0xFE,0x00,0x03,0xFF,0xC0,0x00,0x00,0x00,0x00,0x58,0x00,0x00,0x00,0x3F,0x30,0x1F ,0xFF,0xC0,0x03,0xFF,0xE0,0x00,0x00,0x00,0x00,0x8C,0x03,0xF0,0x00,0x7F,0x

6、E0,0x7C ,0x01,0xE0,0x03,0xFF,0xF0,0x00,0x00,0x00,0x01,0x36,0x06,0xC0,0x00,0x5F,0xC0,0xFF ,0xFC,0x60,0x01,0xFF,0xF0,0x00,0x00,0x00,0x02,0x1B,0x0F,0x80,0x00,0xFF,0x01,0xFE,0x0F,0x30,0x00,0xEF,0xF0,0x00,0x00,0x00,0x02,0x6D,0x9F,0x00,0x00,0x3E,0x03,0xFF,0xF1,0x90,0x00,0xFF,0xF8,0x00,0x00,0x00,0x04,0x36,

7、0xFE,0x00,0x01,0xFF,0x07,0xFF ,0xFC,0x90,0x00,0xEF,0xFF,0xFF,0x80,0x00,0x04,0xDB,0x7E,0x00,0x03,0xFF,0x87,0xFF ,0xFC,0xD0,0x00,0x0F,0xFF,0xFF,0xC0,0x00,0x04,0x6D,0xFC,0x00,0x07,0xFF,0x8F,0xFF,0xFE,0x50,0x00,0x0F,0xFF,0xFF,0xE0,0x00,0x04,0x36,0xFC,0x10,0x07,0xFF,0x8F,0xFF,0xFE,0x90,0x00,0x0F,0xFF,0xF

8、F,0xE0,0x00,0x04,0x1B,0xF8,0x10,0x07,0xFF,0xCF,0xFF,0xFE,0x80,0x00,0x0F,0xFF,0xFF,0xF0,0x00,0x04,0x0F,0xF8,0x10,0x07,0xFF,0xFF,0xFF,0xFA,0x00,0x00,0x07,0xFF,0xFF,0xF0,0x00,0x04,0x07,0xF0,0x10,0x07,0xFF,0xFF,0xFF,0xFA,0x00,0x00,0xFF,0xFF,0xFF,0xF8,0x00,0x02,0x03,0xF0,0x20,0x07,0xFF,0xFF,0xFF,0xBA,0x0

9、0,0x00,0xFD,0xFF,0xFF,0xFC,0x00,0x02,0x03,0xF0,0x20,0x03,0xFF,0xFF,0xDF,0xB8,0x00,0x00,0xC1,0xC0,0x3F,0xFC,0x00,0x01,0x01,0xE0,0x40,0x00,0xFF,0xFF,0xDF,0xB0,0x00,0x00,0x81,0xC0,0x3F,0xCE,0x00,0x00,0x81,0xE0,0x80,0x00,0x7F,0xFF,0xDF,0xA0,0x00,0x00,0x81,0x80,0x1D,0xCF,0x00,0x00,0x41,0xE1,0x00,0x00,0x3

10、F,0xFF,0x9B ,0x00,0x00,0x01,0x83,0x80,0x1F,0xC7,0x80,0x00,0x21,0xE2,0x00,0x00,0x1F,0xFD,0xB6,0x00,0x00,0x01,0xC3,0x00,0x0E,0xE6,0x80,0x00,0x19,0xEC,0x00,0x00,0x07,0xFE,0x20,0x00,0x00,0x00,0xC3,0x00,0x07,0x67,0x40,0x00,0x07,0xF0,0x00,0x00,0x03,0x3E,0x00,0x00,0x00,0x00,0x02,0x00,0x03,0xE7,0xA0,0x00,0x

11、00,0x00,0x00,0x00,0x02,0x8E,0x00,0x00,0x00,0x00,0x06,0x00,0x03,0x83,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x03,0x00,0x00,0x00,0x00,0x06,0x00,0x07,0x03,0x00,0x77,0x46,0x74,0x24,0x80,0x06,0x04,0x00,0x00,0x00,0x00,0x1C,0x00,0x06,0x00,0x00,0x55,0x45,0x54,0x57,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x00,0x

12、0E,0x00,0x00,0x45,0x45,0x74,0x57,0x80,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x00,0x00,0x55,0x45,0x44,0x74,0x80,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x00,0x00,0x77,0x76,0x47,0x54,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x

13、00；uchar code tab5=/*-调入了一幅图像：梁画图COCK.bmp -*/*- 宽度 x 高度=128x64 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0

14、0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x80,0x00,0x0F,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x43,0x01,0x80,0x00,0x7F,0xF

15、F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x19,0xFF,0x07,0x00,0x07,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x3F,0xFC,0x1E,0x00,0x1F,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xBF,0xFF,0xFC,0x00,0x7F,0xFC,0x00,0x7F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xF

16、0,0x00,0xFF,0xC0,0x00,0x0F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xE0,0x03,0xFF,0xFF,0xFC,0x01,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xDF,0xFF,0xC0,0x07,0xFF,0xFF,0xFF,0x80,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,0x00,0x0F,0xFF,0xFF,0xFF,0xE0,0x38,0x00,0x00,0x00,0x00,0x00,0x0

17、0,0x07,0xFF,0xF8,0x00,0x 1F ,0xFF,0xF0,0x03,0xF8,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xE0,0x00,0x3F,0xFF,0xFF,0xC0,0x7C,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x7F,0xF0,0x00,0x3F,0xFF,0xFF,0xF8,0x1E,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xF8,0x00,0x7F,0xFF,0xFF,0xFE,0x0F,0x08,0x00,0

18、x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFC,0x00,0xFF,0xFF,0xFF,0xFF,0x87,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFE,0x00,0xFF,0xFF,0xFF,0xFF,0x83,0x88,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFE,0x01,0xFF,0xFF,0xFF,0xFF,0xC3,0x88,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFE,0x01,0xFF,0xFF,0xFF,0

19、xFF,0xE1,0x88,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFE,0x03,0xFF,0xFF,0xFF,0xFF,0xE1,0x88,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFE,0x03,0xFF,0xFF,0xFF,0xFF,0xF1,0x88,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFE,0x03,0xFF,0xFF,0xFF,0xFF,0xF3,0x08,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0

20、x07,0xFF,0xFF,0xFF,0xFF,0xF2,0x10,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0x8F,0xFF,0xFF,0xFF,0xFF,0xF0,0x20,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0

21、x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFF,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFF,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0xFF,0x7F,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xBF,0xFF,0x7F,0x20,0x00,0x00,0

22、x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xDF,0xFF,0x7E,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xDF,0xFF,0x3E,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xCF,0xFF,0x3C,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xCF,0xFE,0

23、x38,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0x8F,0xFE,0x38,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0x8F,0xFE,0x30,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x 1F ,0x7C,0x20,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF

24、,0xFF,0xFE,0x1E,0x78,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFE,0x1E,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xDA,0x3C,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xF2,0x30,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00

25、,0x00,0x00,0x01,0xFF,0xFF,0xF1,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x7F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x3F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x1F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00

26、,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x72,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x78,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x60,0x00,0x00

27、,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x03,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x40,0x04,0xD8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x0C

28、,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x40,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x48,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x41,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00

29、,0x00,0x0F,0xE2,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00

30、,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00；*函数名称：init_lcd*功能描述：初始化LCD*/void init_lcd (void) _RST = 1;PSB = 1;wr_lcd(comm,0x30);作_wr_lcd(comm,0x01);DDRAI的地址计数器为wr_lcd(comm,0x06);/0011 0000扩充功能设定8位数据基本指令操/0000 0001 "00H"/0000 0110清屏一一将DDRAM填满&q

31、uot;20H",并且设定进入点设定 指定在数据的读取与写入时,设定游标的移动方向游标或显示移位控制一一开显示，关游wr_lcd(comm,0x0c); /0000 1100标/*函数名称：chn_disp*功能描述：显示汉字或字符*/void chn _disp(uchar code *ch n)/i为横坐标,j为纵坐标/0011 0000扩充功能设定8位uchar i,j;wr_lcd(comm,0x30);/1000 0000 设定 DDRA地址数据基本指令操作wr_lcd(comm,0x80);0000000/写四行数据for(j=0;j<4;j+)for(i=0;i&

32、lt;16;i+)wr_lcd(dat,ch nj*16+i);/*函数名称：chn_disp1*功能描述：上半屏显示汉字或字符*/void chn _disp1(uchar code *ch n) _uchar i,j;wr_lcd(comm,0x30);数据基本指令操作wr_lcd(comm,0x80);地址0x80j=0;for(i=0;i<16;i+)wr_lcd(dat,ch nj*16+i);wr_lcd(comm,0x90);地址0x90j=1;for(i=0;i<16;i+)wr_lcd(dat,ch nj*16+i); _/0011 0000扩充功能设定8位/10

33、00 0000 设定第一行的 DDRAM/第一行/1001 0000 设定第二行的 DDRAM/第二行/*函数名称：img_disp*功能描述：显示图形*/void img_disp(uchar code *img) _uchar i,j;for(j=0;j<32;j+)for(i=0;i<8;i+)wr_lcd(comm,0x34);数据 扩充指令操作 绘图开wr_lcd(comm,y+j);定垂直(列)地址AC6 AC5AC0 wr_lcd(comm,x1+i);定水平(行)地址AC3AC2AC1AC0wr_lcd(comm,0x30);数据基本指令操作wr_lcd(dat,imgj*16+i*2); wr_lcd(dat,imgj*16+i*2+1);for(j=32;j<64;j+)/绘制上半屏/00110100扩充功能设定-8位1xxxxxxx设定绘图RAM-先设/10000xxx设定绘图RAM-再设/00110000扩充功能设定-8位/绘制下半屏for(i=0;i<8;i+)wr_lcd(comm,0x34);/00110100扩充功能设定-8位数据 扩充指令操作 绘图开wr_lcd(comm,y+j