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[导读]// HS12864-15B程序 图形显示和汉字显示// st7920控制器#include #include #include #define lcd_bus P0 // 数据总线 sbit rs =P2^4; // 数据&指令选择,H:写数据,L:写指令 sbit rw =P2^3; // 读&写选择,H:re

// HS12864-15B程序 图形显示和汉字显示

// st7920控制器

#include
#include
#include
#define lcd_bus P0 // 数据总线
sbit rs =P2^4; // 数据&指令选择,H:写数据,L:写指令
sbit rw =P2^3; // 读&写选择,H:read,L:write
sbit e =P2^2; // 读写使能
sbit psb=P2^1; // psb=H,并口模式, psb=L,串口模式
sbit rst=P2^5; // LCD复位,低有效
sbit bf =P0^7; // 忙闲状态标志位,H:内部正执行操作,L:空闲
sbit run=P1^4; // 运行标志
void delayus(unsigned char us); // us延时子程序
void delayms(unsigned int ms); // ms延时子程序
void init_lcd(void); // LCD初始化
void chk_busy(void); // 检测LCD忙闲
void wr_data(unsigned char dat); // 写数据到LCD
void wr_comm(unsigned char comm); // 写命令到LCD
void wr_str(unsigned char *s); // 向LCD写字符串,长度64字符之内(32个汉字)
void hz_disp(void); // 写汉字
void img_disp(unsigned char code *img); // 显示图片128*64
void img_disp2(unsigned char code *img); // 显示图片64*64 左半屏
void img_disp3(unsigned char code *img); // 显示图片64*64 右半屏
void clrgdram(void); // 清除整个GDRAM空间
void lcdfill(unsigned char disdata); // 整屏全亮或显示竖条
void Disp_H_Line(void); // 显示横条
void frame(void); // 显示边框
unsigned char code tab[ ]={
/*-- 调入了一幅图像:联通图标 4567.bmp --*/
/*-- 宽度x高度=128x64 --*/
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};
unsigned char code tab2[ ]={
/*-- 调入了一幅图像:移动图标 123456.bmp --*/
/*-- 宽度x高度=128x64 --*/
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0X1F,0XFE,0X00,0X7F,0XE0,0X0F,0XFF,0XFC,0X00,0X00,0XFF,0XF0,0X00,0X00,0X7F,0XFC,
0X1F,0XFF,0X00,0X1F,0XF8,0X03,0XFF,0XF0,0X00,0X03,0XFF,0X80,0X00,0X03,0XFF,0XF8,
0X0F,0XFF,0XC0,0X03,0XFF,0X00,0X3F,0X00,0X00,0X1F,0XFE,0X00,0X00,0X0F,0XFF,0XF8,
0X0F,0XFF,0XF0,0X00,0XFF,0XC0,0X00,0X00,0X00,0X7F,0XF0,0X00,0X00,0X3F,0XFF,0XF0,
0X07,0XFF,0XFE,0X00,0X1F,0XF8,0X00,0X00,0X01,0XFF,0XC0,0X00,0X01,0XFF,0XFF,0XE0,
0X03,0XFF,0XFF,0X80,0X07,0XFE,0X00,0X00,0X0F,0XFF,0X00,0X00,0X07,0XFF,0XFF,0XC0,
0X01,0XFF,0XFF,0XF0,0X00,0XFF,0XC0,0X00,0X7F,0XF8,0X00,0X00,0X1F,0XFF,0XFF,0X80,
0X00,0XFF,0XFF,0XFC,0X00,0X3F,0XFC,0X03,0XFF,0XE0,0X00,0X00,0XFF,0XFF,0XFF,0X00,
0X00,0X7F,0XFF,0XFF,0X80,0X07,0XFF,0XFF,0XFF,0X80,0X00,0X03,0XFF,0XFF,0XFE,0X00,
0X00,0X3F,0XFF,0XFF,0XE0,0X01,0XFF,0XFF,0XFC,0X00,0X00,0X1F,0XFF,0XFF,0XFC,0X00,
0X00,0X0F,0XFF,0XFF,0XFC,0X00,0X3F,0XFF,0XF0,0X00,0X00,0X7F,0XFF,0XFF,0XF8,0X00,
0X00,0X07,0XFF,0XFF,0XFF,0X00,0X0F,0XFF,0X80,0X00,0X03,0XFF,0XFF,0XFF,0XE0,0X00,
0X00,0X01,0XFF,0XFF,0XFF,0XC0,0X00,0X00,0X00,0X00,0X0F,0XFF,0XFF,0XFF,0XC0,0X00,
0X00,0X00,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X3F,0XFF,0XFF,0XFF,0X00,0X00,
0X00,0X00,0X3F,0XFF,0XFF,0XFE,0X00,0X00,0X00,0X01,0XFF,0XFF,0XFF,0XFC,0X00,0X00,
0X00,0X00,0X0F,0XFF,0XFF,0XFF,0XC0,0X00,0X00,0X07,0XFF,0XFF,0XFF,0XF0,0X00,0X00,
0X00,0X00,0X03,0XFF,0XFF,0XFF,0XF0,0X00,0X00,0X3F,0XFF,0XFF,0XFF,0XC0,0X00,0X00,
0X00,0X00,0X00,0X7F,0XFF,0XFF,0XFE,0X00,0X01,0XFF,0XFF,0XFF,0XFF,0X00,0X00,0X00,
0X00,0X00,0X00,0X1F,0XFF,0XFF,0XFF,0XF0,0X1F,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,
0X00,0X00,0X00,0X03,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XC0,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X3F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X03,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XE0,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X1F,0XFF,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X3F,0XFF,0XFF,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0XCF,0XE6,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
};
unsigned char code tab3[ ]={
/*-- 调入了一幅图像:移动图标 1234.bmp --*/
/*-- 宽度x高度=64x64 --*/
0X00,0X00,0X00,0X3F,0XFE,0X00,0X00,0X00,0X00,0X00,0X03,0XFF,0XFF,0XC0,0X00,0X00,
0X00,0X00,0X0F,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X7F,0XFF,0XFF,0XFE,0X00,0X00,
0X00,0X00,0XFF,0XFF,0XFF,0XFF,0X80,0X00,0X00,0X03,0XFF,0XFF,0XFF,0XFF,0XC0,0X00,
0X00,0X07,0XFF,0XF0,0X07,0XFF,0XF0,0X00,0X00,0X0F,0XFF,0XE0,0X01,0XFF,0XF8,0X00,
0X00,0X1F,0XFF,0X80,0X00,0XFF,0XFC,0X00,0X00,0X7F,0XFF,0X00,0X00,0X7F,0XFE,0X00,
0X00,0X7F,0XFE,0X00,0X00,0X1F,0XFF,0X00,0X00,0XFF,0XFC,0X00,0X78,0X0F,0XFF,0X80,
0X01,0XFF,0XF0,0X01,0XFE,0X07,0XFF,0XC0,0X03,0XFF,0XE0,0X03,0XFF,0X83,0XFF,0XC0,
0X03,0XFF,0XC0,0X0F,0XFF,0XC0,0XFF,0XE0,0X07,0XFF,0X80,0X1F,0XFF,0XE0,0X7F,0XF0,
0X0F,0XFF,0X00,0X3F,0X83,0XF0,0X3F,0XF0,0X0F,0XFC,0X00,0X7E,0X00,0XF8,0X1F,0XF8,
0X1F,0XF8,0X00,0XF8,0X00,0X7E,0X0F,0XF8,0X1F,0XF0,0X03,0XF0,0X00,0X1F,0X03,0XFC,
0X1F,0XE0,0X07,0XE0,0X00,0X0F,0X81,0XFC,0X3F,0XC0,0X0F,0XC0,0X1F,0X07,0XC0,0XFC,
0X3F,0X00,0X1F,0X80,0X3F,0XC3,0XF0,0X7E,0X3F,0X00,0X3F,0X00,0X7F,0XE0,0XF8,0X7E,
0X7F,0X80,0X7C,0X00,0XFF,0XF0,0X7C,0X7E,0X7F,0XC1,0XF8,0X03,0XE0,0XFC,0X3E,0X7E,
0X7F,0XF0,0XF0,0X07,0X80,0X3E,0X1F,0XFF,0XFF,0XF8,0X60,0X0F,0X00,0X1F,0X0F,0XFF,
0X7F,0XFC,0X00,0X1E,0X00,0X0F,0X83,0XFF,0X7F,0X3E,0X00,0X3C,0X01,0X87,0XE1,0XFF,
0X7F,0X1F,0X00,0XF8,0X03,0XC3,0XF0,0XFF,0X7F,0X0F,0XC1,0XE0,0X07,0X80,0XF8,0X7F,
0X7F,0X87,0XE1,0XC0,0X1F,0X00,0X7C,0X7F,0XFF,0XC1,0XF0,0X00,0X3C,0X00,0X3E,0X7F,
0X7F,0XF0,0XF8,0X00,0X78,0X03,0X1F,0XFF,0XFF,0XF8,0X7E,0X00,0XF0,0X07,0X87,0XFF,
0X7F,0X7C,0X3F,0X01,0XE0,0X0F,0X83,0XFF,0X7F,0X3E,0X0F,0X87,0XC0,0X1F,0X01,0XFE,
0X7F,0X1F,0X87,0XFF,0X80,0X7E,0X00,0XFE,0X3F,0X07,0XC3,0XFE,0X00,0XFC,0X00,0X7E,
0X3F,0X03,0XE1,0XFC,0X01,0XF8,0X01,0XFE,0X3F,0X81,0XF0,0X70,0X03,0XF0,0X03,0XFE,
0X3F,0XC0,0XF8,0X00,0X07,0XC0,0X07,0XFC,0X1F,0XF0,0X3E,0X00,0X0F,0X80,0X0F,0XFC,
0X1F,0XF8,0X1F,0X00,0X3F,0X00,0X1F,0XF8,0X0F,0XFC,0X0F,0X80,0X7E,0X00,0X3F,0XF8,
0X0F,0XFE,0X07,0XE1,0XFC,0X00,0XFF,0XF0,0X07,0XFF,0X81,0XFF,0XF8,0X01,0XFF,0XF0,
0X07,0XFF,0XC0,0XFF,0XE0,0X03,0XFF,0XE0,0X03,0XFF,0XE0,0X7F,0XC0,0X07,0XFF,0XE0,
0X01,0XFF,0XF0,0X3F,0X80,0X1F,0XFF,0XC0,0X00,0XFF,0XF8,0X00,0X00,0X3F,0XFF,0X80,
0X00,0XFF,0XFE,0X00,0X00,0X7F,0XFF,0X00,0X00,0X7F,0XFF,0X00,0X00,0XFF,0XFE,0X00,
0X00,0X3F,0XFF,0X80,0X01,0XFF,0XFC,0X00,0X00,0X1F,0XFF,0XC0,0X07,0XFF,0XF8,0X00,
0X00,0X07,0XFF,0XF0,0X0F,0XFF,0XF0,0X00,0X00,0X03,0XFF,0XFC,0X3F,0XFF,0XE0,0X00,
0X00,0X01,0XFF,0XFF,0XFF,0XFF,0X80,0X00,0X00,0X00,0X7F,0XFF,0XFF,0XFE,0X00,0X00,
0X00,0X00,0X1F,0XFF,0XFF,0XFC,0X00,0X00,0X00,0X00,0X03,0XFF,0XFF,0XE0,0X00,0X00,
0X00,0X00,0X00,0X7F,0XFF,0X00,0X00,0X00,0X00,0X00,0X00,0X0B,0XD0,0X00,0X00,0X00,
};

unsigned char code tab4[ ]={
/*-- 调入了一幅图像:联通图标 45678.bmp --*/
/*-- 宽度x高度=64x64 --*/
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,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X01,0XF0,0X03,0XE0,0X00,0X00,
0X00,0X00,0X07,0XFC,0X0F,0XF8,0X00,0X00,0X00,0X00,0X0F,0XFE,0X1F,0XFC,0X00,0X00,
0X00,0X00,0X1F,0XFF,0X3F,0XFE,0X00,0X00,0X00,0X00,0X1F,0XFF,0XFF,0XFE,0X00,0X00,
0X00,0X00,0X1F,0XBF,0XFF,0X7E,0X00,0X00,0X00,0X00,0X3E,0X1F,0XFC,0X1F,0X00,0X00,
0X00,0X00,0X3E,0X0F,0XFC,0X1F,0X00,0X00,0X00,0X00,0X3E,0X07,0XF8,0X1F,0X00,0X00,
0X00,0X00,0X3E,0X07,0XF8,0X1F,0X00,0X00,0X00,0X00,0X3E,0X0F,0XFC,0X3F,0X00,0X00,
0X00,0X00,0X1F,0X1F,0XFE,0X3E,0X00,0X00,0X00,0X00,0X1F,0X9F,0XFE,0X7E,0X00,0X00,
0X00,0X00,0X0F,0XCF,0X3C,0XFC,0X00,0X00,0X00,0X00,0X0F,0XE6,0X19,0XFC,0X00,0X00,
0X00,0X00,0X07,0XF0,0X13,0XF8,0X00,0X00,0X00,0X00,0X03,0XF0,0X07,0XF0,0X00,0X00,
0X00,0X70,0X01,0XF8,0X07,0XE0,0X03,0X80,0X01,0XFC,0X0C,0XFC,0X0F,0XC8,0X0F,0XE0,
0X07,0XFE,0X0C,0XFE,0X1F,0XCC,0X1F,0XF0,0X07,0XFF,0X1E,0X7F,0X3F,0X9E,0X3F,0XF8,
0X0F,0XFF,0XBF,0X3F,0XFF,0X3F,0X7F,0XFC,0X0F,0XFF,0XFF,0X1F,0XFE,0X3F,0XFF,0XFC,
0X1F,0X8F,0XFE,0X0F,0XFC,0X1F,0XFC,0X7E,0X1F,0X07,0XFC,0X0F,0XF8,0X0F,0XF8,0X3E,
0X1F,0X03,0XF8,0X07,0XF8,0X07,0XF0,0X3E,0X1F,0X03,0XF8,0X07,0XF8,0X07,0XF0,0X3E,
0X1F,0X07,0XFC,0X0F,0XFC,0X0F,0XF8,0X3E,0X1F,0X8F,0XFE,0X1F,0XFC,0X1F,0XFC,0X7E,
0X0F,0XFF,0XFF,0X1F,0XFE,0X3F,0XFF,0XFC,0X0F,0XFF,0XBF,0X3F,0X7F,0X3F,0X7F,0XFC,
0X07,0XFF,0X1E,0X7F,0X3F,0X9E,0X3F,0XF8,0X03,0XFE,0X0C,0XFE,0X1F,0XCC,0X1F,0XF0,
0X01,0XFC,0X01,0XFC,0X0F,0XE8,0X0F,0XE0,0X00,0X00,0X03,0XF8,0X07,0XE0,0X00,0X00,
0X00,0X00,0X03,0XF0,0X07,0XF0,0X00,0X00,0X00,0X00,0X07,0XE4,0X13,0XF8,0X00,0X00,
0X00,0X00,0X0F,0XEE,0X39,0XFC,0X00,0X00,0X00,0X00,0X1F,0XCF,0X7C,0XFC,0X00,0X00,
0X00,0X00,0X1F,0X9F,0XFE,0X7E,0X00,0X00,0X00,0X00,0X3F,0X1F,0XFE,0X3E,0X00,0X00,
0X00,0X00,0X3E,0X0F,0XFC,0X3F,0X00,0X00,0X00,0X00,0X3E,0X07,0XF8,0X1F,0X00,0X00,
0X00,0X00,0X3E,0X07,0XF8,0X1F,0X00,0X00,0X00,0X00,0X3E,0X0F,0XFC,0X1F,0X00,0X00,
0X00,0X00,0X3E,0X1F,0XFC,0X3F,0X00,0X00,0X00,0X00,0X3F,0XBF,0XFF,0X7E,0X00,0X00,
0X00,0X00,0X1F,0XFF,0X7F,0XFE,0X00,0X00,0X00,0X00,0X1F,0XFE,0X3F,0XFC,0X00,0X00,
0X00,0X00,0X0F,0XFE,0X1F,0XFC,0X00,0X00,0X00,0X00,0X07,0XFC,0X0F,0XF8,0X00,0X00,
0X00,0X00,0X01,0XF0,0X03,0XE0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
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,
};

void main()
{
delayms(200);
init_lcd(); // LCD初始化,并清屏
clrgdram(); // 清除GDRAM空间
while(1)
{
lcdfill(0xff); // 显示全亮
delayms(1000);

Disp_H_Line(); // 显示横条
delayms(1000);

lcdfill(0xaa); // 显示竖条
delayms(1000);

frame(); // 显示边框
delayms(1000);

img_disp(tab); // 显示联通图标128*64
delayms(1000);

img_disp(tab2); // 显示移动图标128*64
delayms(1000);

img_disp2(tab3); // 显示移动图标64*64,左半屏
img_disp3(tab4); // 显示联通图标64*64,右半屏
delayms(1000);

clrgdram(); // 清除GDRAM空间

hz_disp(); // 显示两屏汉字
delayms(1000);
}
}
/*------------------LCD初始化-----------------*/
void init_lcd(void)
{
rst=0;
delayus(50);
rst=1;
psb=1; // 并行
wr_comm(0x30); // 基本指令,8位数据模式
delayus(3);
wr_comm(0x0C); // 显示开,游标关,反白关
delayus(3);
wr_comm(0x01); // 清除显示,并且设定地址指针为00H
delayus(3);
wr_comm(0x06); // 指定在资料的读取及写入时,设定游标的移动方向及指定显示的移位
}
/*--------------检测LCD忙闲---------------*/
void chk_busy(void)
{
lcd_bus=0xff;
rs=0;
rw=1;
;
e=1;
while(bf==1);
e=0;
}
/*------------写命令到LCD--------------*/
void wr_comm(unsigned char comm)
{
chk_busy();
rs=0; // H:写数据,L:写指令
rw=0;
e=0;
;
lcd_bus=comm; // 内容
delayus(3);
e=1;
;
e=0;
}
/*------------写数据到LCD--------------*/
void wr_data(unsigned char dat)
{
chk_busy();
rs=1; // H:写数据,L:写指令
rw=0;
e=0;
;
lcd_bus=dat; // 内容
delayus(3);
e=1;
;
e=0;
}
/*-------向LCD写一个字符串,长度64字符之内---------- */
void wr_str(unsigned char *s)
{
while(*s>0)
{
wr_data(*s);
s++;
}
}
/*---------------- 显示图片,128*64 ------------------- */
void img_disp(unsigned char code *img)
{
unsigned char i,x,y;
unsigned int j=0;
for(i=0;i<9;i=i+8) // i=0,控制上半屏,i=8,控制下半屏
{
for(y=0;y<32;y++) // y控制行地址
{
for(x=0;x<8;x++) // x控制列地址
{
wr_comm(0x36); // 功能设置:8位控制界面,扩充指令集,绘图显示开
wr_comm(0x80+y); // 行地址
wr_comm(0x80+x+i); // 列地址 x+i=0~7, 上半屏,x+i=8~15,下半屏
wr_data(img[j++]); // 高字节
wr_data(img[j++]); // 低字节
wr_comm(0x30); // 功能设置:8位控制界面,基本指令集,绘图显示关
}
}
}
}
/*---------------- 显示图片,64*64 左半屏------------------- */
void img_disp2(unsigned char code *img)
{
unsigned char i,x,y;
unsigned int j=0;
for(i=0;i<9;i=i+8) // i=0,控制上半屏,i=8,控制下半屏
{
for(y=0;y<32;y++) // y控制行地址
{
for(x=0;x<4;x++) // x控制列地址
{
wr_comm(0x36); // 功能设置:8位控制界面,扩充指令集,绘图显示开
wr_comm(0x80+y); // 行地址
wr_comm(0x80+x+i); // 列地址 x+i=0~7, 上半屏,x+i=8~15,下半屏
wr_data(img[j++]); // 高字节
wr_data(img[j++]); // 低字节
wr_comm(0x30); // 功能设置:8位控制界面,基本指令集,绘图显示关
}
}
}
}
/*---------------- 显示图片,64*64 右半屏 ------------------- */
void img_disp3(unsigned char code *img)
{
unsigned char i,x,y;
unsigned int j=0;
for(i=0;i<9;i=i+8) // i=0,控制上半屏,i=8,控制下半屏
{
for(y=0;y<32;y++) // y控制行地址
{
for(x=4;x<8;x++) // x控制列地址
{
wr_comm(0x36); // 功能设置:8位控制界面,扩充指令集,绘图显示开
wr_comm(0x80+y); // 行地址
wr_comm(0x80+x+i); // 列地址 x+i=0~7, 上半屏,x+i=8~15,下半屏
wr_data(img[j++]); // 高字节
wr_data(img[j++]); // 低字节
wr_comm(0x30); //功能设置:8位控制界面,基本指令集,绘图显示关
}
}
}
}
/*------------------ 清整个GDRAM空间 ----------------------------*/
void clrgdram(void)
{ unsigned char x,y;
for(y=0;y<64;y++)
{
for(x=0;x<16;x++)
{
wr_comm(0x34);
wr_comm(y+0x80); // 行地址
wr_comm(x+0x80); // 列地址
wr_comm(0x30);
wr_data(0x00);
wr_data(0x00);
}
}
}
/*-------------- 整屏填充,全亮,或者竖条 ---------------------- */
void lcdfill(unsigned char disdata) //整屏写入数据:全亮,或者竖条
{
unsigned char x,y;
for(y=0;y<32;y++)
{
for(x=0;x<16;x++)
{
wr_comm(0x36);
wr_comm(y+0x80); //行地址
wr_comm(x+0x80); //列地址
wr_comm(0x30);
wr_data(disdata);
wr_data(disdata);
}
wr_comm(0x34);
wr_comm(0x36);
}
}
/*------------------ 显示横条 -----------------------------*/
void Disp_H_Line()
{ unsigned char x,y;
unsigned char k=0x00;
for(y=0;y<32;y++)
{ k=~k;
for(x=0;x<16;x++)
{
wr_comm(0x36);
wr_comm(y+0x80); //行地址
wr_comm(x+0x80); //列地址
wr_comm(0x30);
wr_data(k);
wr_data(k);
}
}
wr_comm(0x34);
wr_comm(0x36);
}
/*------------------ 显示边框 -------------------------------*/
void frame()
{
unsigned char x,y;
lcdfill(0x00);
for(x=0;x<9;x+=8)
{
for(y=0;y<32;y++)
{
wr_comm(0x36);
wr_comm(y+0x80); //行地址
wr_comm(x+0x80); //列地址
wr_comm(0x30);
wr_data(0x80);
wr_data(0x00);

wr_comm(0x36);
wr_comm(y+0x80); //行地址
wr_comm(x+0x87); //列地址
wr_comm(0x30);
wr_data(0x00);
wr_data(0x01);
}
}
for(y=0;y<2;y++)
{
for(x=0;x<8;x++)
{
wr_comm(0x36);
wr_comm(y*31+0x80); //行地址
wr_comm(x+0x80+8*y); //列地址
wr_comm(0x30);
wr_data(0xff);
wr_data(0xff);
}
}
wr_comm(0x34);
wr_comm(0x36);
}
void hz_disp(void)
{
wr_comm(0x80); // 第一行
wr_str("泰 山电 子"); // 字符串以结束
wr_comm(0x90); // 第二行
wr_str(" 欢 迎 您 ");
wr_comm(0x88); // 第三行
wr_str("TAI SHAN DIAN ZI");
wr_comm(0x98); // 第四行
wr_str("Wellcome to you!");
delayms(1000);
delayms(1000);
delayms(1000);//延时3秒
run=~run;
wr_comm(0x01); // 清除显示
delayus(3);

wr_comm(0x80);
wr_str("黄河远上白云间");
wr_comm(0x90);
wr_str("一片孤城万仞山");
wr_comm(0x88);
wr_str("羌笛何须怨杨柳");
wr_comm(0x98);
wr_str("春风不度玉门关");
delayms(1000);
delayms(1000);
delayms(1000); //延时3秒
run=~run;
wr_comm(0x01); // 清除显示
delayus(3);
}
/*---------------延时子程序us----------------*/
void delayus(unsigned char us)
{
while(--us); // 一个循环2us
}
/*---------------延时子程序ms----------------*/
void delayms(unsigned int ms) //延时 n ms
{
while(ms)
{
int i;
i=110;
while(i--);
ms=ms-1;
}
}

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