12864液晶显示器(ST7920)显示程序(并口)

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 2007

All 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：2007.07.08

升级说明：create

CPU: stc89c58 主频：11.0592M

液晶型号：128*64 生产厂家：驱动芯片：st7920

********************************************************************* *********/

#include

#define uint unsigned int

#define uchar unsigned char

#define x1 0x80 //1000 0000

#define x2 0x88 //1000 1000

#define y 0x80 //1000 0000

#define comm 0 //定义传送指令代码为0

#define dat 1 //定义传送数据代码为1

sbit RS = P2^0; //H=数据; L=指令;

sbit RW = P2^1; //H=读操作; L=写操作;

sbit E = P2^3; //使能端

sbit PSB= P2^4; //H=并口; L=串口;

sbit RST= P2^2; //复位信号低电平有效

sbit busy=P0^7; //LCD忙信号

void wr_lcd (uchar dat_comm,uchar content);

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"

};

uchar code tab31[]={

"金鹏科技有限公司"

"Golden Palm TECH"

};

uchar code tab32[]={

/*-- 调入了一幅图像：F:\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,

0x00,0x7F,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,0xE0,0x7C ,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,0xF8,0x00,0x00,0x00,0x04,0x36,0xFE,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,0xFF,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,0x00,

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,0x00,0x00,0x41,0xE1,0x00,0x00,0x3F,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,

0x00,0x02,0x00,0x03,0xE7,0xA0,0x00,0x00,0x00,0x00,0x00,0x02,0x8E,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,0x00,0x0E,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 ,0x00,0x00

};

uchar code tab5[]={