51单片机st7920并行方式驱动12864液晶程序分享

龙慧

2018-7-13 03:00:14 2755 51单片机 ST7920

/******************************************************************************
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
CPU: stc89c58 主频：11.0592M
液晶型号：生产厂家：驱动芯片：st7920
******************************************************************************/
#include
#define uint unsigned int
#define uchar unsigned char
#define x1 0x80
#define x2 0x88
#define y 0x80
#define comm 0
#define dat 1
***it RS = P2^1; //H=data; L=command;
***it RW = P2^2; //H=read; L=write;
***it E = P2^4; //input enable;
***it PSB= P2^5; //H=并口; L=串口;
***it RST= P2^3; //Reset Signal 低电平有效
***it busy=P0^7; //lcd busy bit
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[]={
/*-- 调入了一幅图像：F: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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x80,0x00,0x0F,0xFF,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0C,0x43,0x01,0x80,0x00,0x7F,0xFF,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,0xF0,0x00,0xFF,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,
0x00,0x00,0x00,0x07,0xFF,0xF8,0x00,0x1F,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,0x08,0x00,0x00,0x00,
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,0xFF,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,0x07,0xFF,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,
0x00,0x00,0x01,0xFF,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,0x20,0x00,0x00,0x00,0x00,
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,0x38,0x40,0x00,0x00,0x00,0x00,
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,0x1F,0x7C,0x20,0x40,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x7F,0xFF,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,
0x00,0x00,0x00,0x00,0x01,0xFF,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,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,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,
0x00,0x00,0x00,0x0F,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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
/******************************************************************************************
* 函数名称：
* 功能描述：
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void init_lcd (void)
{
RST = 1;
PSB = 1;
wr_lcd(comm,0x30); /*30---基本指令动作*/
wr_lcd(comm,0x01); /*清屏，地址指针指向00H*/
wr_lcd(comm,0x06); /*光标的移动方向*/
wr_lcd(comm,0x0c); /*开显示，关游标*/
}
/******************************************************************************************
* 函数名称：chn_disp
* 功能描述：显示汉字或字符
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void chn_disp(uchar code *chn)
{
uchar i,j;
wr_lcd(comm,0x30);
wr_lcd(comm,0x80);
for(j=0;j<4;j++)
{
for(i=0;i<16;i++)
wr_lcd(dat,chn[j*16+i]);
}
}
/******************************************************************************************
* 函数名称：chn_disp1
* 功能描述：上半屏显示汉字或字符
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void chn_disp1(uchar code *chn)
{
uchar i,j;
wr_lcd(comm,0x30);
wr_lcd(comm,0x80);
j=0;
for(i=0;i<16;i++)
wr_lcd(dat,chn[j*16+i]);
wr_lcd(comm,0x90);
j=1;
for(i=0;i<16;i++)
wr_lcd(dat,chn[j*16+i]);
}
/******************************************************************************************
* 函数名称：img_disp
* 功能描述：显示图形
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
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);
wr_lcd(comm,y+j);
wr_lcd(comm,x1+i);
wr_lcd(comm,0x30);
wr_lcd(dat,img[j*16+i*2]);
wr_lcd(dat,img[j*16+i*2+1]);
}
}
for(j=32;j<64;j++)
{
for(i=0;i<8;i++)
{
wr_lcd(comm,0x34);
wr_lcd(comm,y+j-32);
wr_lcd(comm,x2+i);
wr_lcd(comm,0x30);
wr_lcd(dat,img[j*16+i*2]);
wr_lcd(dat,img[j*16+i*2+1]);
}
}
wr_lcd (comm,0x36);
}
/******************************************************************************************
* 函数名称：img_disp1
* 功能描述：下半屏显示图形
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void img_disp1(uchar code *img)
{
uchar i,j;
for(j=0;j<32;j++)
{
for(i=0;i<8;i++)
{
wr_lcd(comm,0x34);
wr_lcd(comm,y+j);
wr_lcd(comm,x2+i);
wr_lcd(comm,0x30);
wr_lcd(dat,img[j*16+i*2]);
wr_lcd(dat,img[j*16+i*2+1]);
}
}
wr_lcd(comm,0x36);
}
/******************************************************************************************
* 函数名称：lat_disp
* 功能描述：显示点阵
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void lat_disp(uchar data1,uchar data2)
{
uchar i,j,k,x;
x=x1;
for(k=0;k<2;k++)
{
for(j=0;j<16;j++)
{
for(i=0;i<8;i++)
{
wr_lcd(comm,0x34);
wr_lcd(comm,y+j*2);
wr_lcd(comm,x+i);
wr_lcd(comm,0x30);
wr_lcd(dat,data1);
wr_lcd(dat,data1);
}
for(i=0;i<8;i++)
{
wr_lcd(comm,0x34);
wr_lcd(comm,y+j*2+1);
wr_lcd(comm,x+i);
wr_lcd(comm,0x30);
wr_lcd(dat,data2);
wr_lcd(dat,data2);
}
}
x=x2;
}
wr_lcd(comm,0x36);
}
/******************************************************************************************
* 函数名称：con_disp
* 功能描述：当data1=0xff,data2=0xff时,在x0,y0处反白显示16xl*yl
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void con_disp(uchar data1,uchar data2,uchar x0,uchar y0,uchar xl,uchar yl)
{
uchar i,j;
for(j=0;j {
for(i=0;i {
wr_lcd(comm,0x34);
wr_lcd(comm,y0+j);
wr_lcd(comm,x0+i);
wr_lcd(comm,0x30);
wr_lcd(dat,data1);
wr_lcd(dat,data2);
}
}
wr_lcd(comm,0x36);
}
/******************************************************************************************
* 函数名称：clrram
* 功能描述：清DDRAM
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void clrram(void)
{
wr_lcd(comm,0x30);
wr_lcd(comm,0x01);
}
/******************************************************************************************
* 函数名称：wr_lcd
* 功能描述：
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void wr_lcd(uchar dat_comm,uchar content)
{
chk_busy ();
if(dat_comm)
{
RS = 1; //data
RW = 0; //write
}
else
{
RS = 0; //command
RW = 0; //write
}
P0=content; //output data or comm
E = 1;
;
E = 0;
}
/******************************************************************************************
* 函数名称：chk_busy
* 功能描述：
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void chk_busy(void)
{
P0 = 0xff;
RS = 0;
RW = 1;
E = 1;
while(busy==1);
E = 0;
}
/******************************************************************************************
* 函数名称：
* 功能描述：
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void delay(uint us) //delay time
{
while(us--);
}
/******************************************************************************************
* 函数名称：
* 功能描述：
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void delay1(uint ms)
{
uint i,j;
for(i=0;i for(j=0;j<15;j++)
delay(1);
}
/******************************************************************************************
* 函数名称：
* 功能描述：
* 参数：参数名称：输入/输出？类型描述
*
* 返回值：
* 作者：
* 创建日期：2006-12-19
* 全局变量：
* 全局静态变量：
* 局部静态变量：
*----------------------------------------修改历史------------------------------------------
* 当前版本：修改人：修改日期：
* 修改说明：
******************************************************************************************/
void main()
{
SP=0x5f;
init_lcd();
while(1)
{
lat_disp(0x00,0x00);
chn_disp(tab1);
con_disp(0xff,0xff,0x8c,0x80,2,16);
delay1(8000);
clrram();
lat_disp(0xcc,0xcc);
delay1(8000);
lat_disp(0x00,0x00);
chn_disp1(tab31);
img_disp1(tab32);
delay1 (8000);
clrram();
lat_disp (0xff,0x00);
delay1(8000);
img_disp(tab5);
delay1(8000);
}
}