KM1604A之C51驱动程序
//Character display Module Built-in ST7066:16 x 4
//单位:深圳市炜烨兴电子有限公司
//编程:yesever
//时间:2008-12-09
//KM1604演示用
//欢迎使用,网上转载请注明出处"LCD在线"或"深圳炜烨电子""
//硬件:AT89S51@12MHz
#include <reg51.h> /* 8051 寄存器定义 */
typedef unsigned char uchar;
typedef unsigned int uint;
//以下为自定义的字符
uchar code data0[] ={0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff}; //测试数据
uchar code data1[] ={0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00};
uchar code data2[] ={0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55};
uchar code data3[] ={0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa};
uchar code data4[] ={0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa};
uchar code data5[] ={0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55};
uchar code data6[] ={0x1f,0x11,0x11,0x11,0x11,0x11,0x11,0x1f};
uchar code data7[] ={0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
uchar code data8[] ={"WAYEAH ELECT.CO."}; //显示的字符
uchar code data9[] ={"Tel:755-26158257"};
uchar code data10[]={" 5*8Dots Matrix "};
uchar code data11[]={" Character LCDM "};
uchar code data12[]={" Welcome to use "};
uchar code data13[]={"WAYEAH LCD & LCM"};
uchar code data15[]={"The controler is"};
uchar code data16[]={"ST7066 / S6A0069"};
uchar code load[] ={" Please wait... "};
uchar code bmp1[] ={0x1f,0x1f,0x0e,0x04,0x0e,0x1f,0x1f,0x00}; //漏斗1
uchar code bmp2[] ={0x11,0x11,0x1b,0x1f,0x1b,0x11,0x11,0x00}; //漏斗2
//接口IO定义
sbit _rs =P3^3;
sbit _rw =P3^1;
sbit _e1 =P3^0;
sbit key =P3^2;
sfr dbus =0x90;
/*-----------------*/
DELAY(int t) //用于延时
{
int i,j;
for (i=0;i<t;i++)
for (j=0;j<t;j++)
while(!key);
}
DELAY10(void) //用于延时
{
unsigned char i;
for (i=10;i>0;i--);
}
/*-----------------*/
WRITE_COM(uchar com) /*Write a command to LCD*/
{
DELAY10();
_rs = 0;
_rw = 0;
_e1 = 1;
dbus=com;
_e1 = 0;
}
/*------------------*/
WRITE_DAT(uchar dat) /*Write display data to LCD*/
{
DELAY10();
_rs = 1;
_rw = 0;
_e1 = 1;
dbus=dat;
_e1 = 0;
}
SET_ADDR(uchar addr) //显示地址设置
{
switch (addr)
{
case 1:WRITE_COM(0x80);break; //第一行地址
case 2:WRITE_COM(0xc0);break; //第二行地址
case 3:WRITE_COM(0x80+16);break; //第三行地址
case 4:WRITE_COM(0xc0+16);break; //第四行地址
}
}
WRITE_CGRAM(uchar row,uchar code *DEFDAT) //Write a typedef char
{
uchar counter;
if (row>8)
row=row-8;
WRITE_COM(0x40+row*8);
for (counter=0;counter<8;counter++)
{
WRITE_DAT(*DEFDAT++);
}
}
SETUP_LCD(void) //初始化液晶
{
DELAY(20);
WRITE_COM(0x38);
DELAY(100);
WRITE_COM(0x38); /*Function set*/
WRITE_COM(0x06); /*Entry mode set*/
WRITE_COM(0x14); /*Shift*/
WRITE_COM(0x0c); /*Display control*/
WRITE_COM(0x01); /*Clear dislpay*/
DELAY(20);
WRITE_COM(0x02);
DELAY(20);
}
main()
{
uchar code *p;
uchar data i,temp;
DELAY(100);
P3=0xff;
while(1) ///死循环,演示用的目的:不停反复显示
{
SETUP_LCD();
SET_ADDR(1);
p=data12;
for (i=0;i<16;i++) { WRITE_DAT(*p++);} /* Welcome to use */
SET_ADDR(2);
p=data13;
for (i=0;i<16;i++) { WRITE_DAT(*p++);} /*WAYEAH LCD & LCM*/
SET_ADDR(3);
p=load;
for (i=0;i<16;i++) { WRITE_DAT(*p++);} /* Please Wait... */
WRITE_COM(0xde);
WRITE_DAT(0x00);
for(i=0;i<4;i++)
{
WRITE_CGRAM(0,bmp1);
DELAY(150);
WRITE_COM(0xa1);
WRITE_DAT(0x20);
WRITE_CGRAM(0,bmp2);
DELAY(150);
WRITE_COM(0xa2);
WRITE_DAT(0x20);
WRITE_CGRAM(0,bmp1);
DELAY(150);
WRITE_COM(0xa1);
WRITE_DAT(0x2e);
WRITE_CGRAM(0,bmp2);
DELAY(150);
WRITE_COM(0xa2);
WRITE_DAT(0x2e);
}
p = data7;
WRITE_CGRAM(7,p);
DELAY(10);
DELAY(200);
SET_ADDR(1);
temp=0x41;
for (i=0;i<16;i++) { WRITE_DAT(temp++);DELAY(50);}
SET_ADDR(2);
for (i=0;i<16;i++) { WRITE_DAT(temp++);DELAY(50);}
SET_ADDR(3);
temp=0x30;
for (i=0;i<16;i++) { WRITE_DAT(temp++);DELAY(50);}
SET_ADDR(4);
for (i=0;i<16;i++) { WRITE_DAT(temp++);DELAY(50);}
DELAY(200);
SET_ADDR(1);
for (i=0;i<16;i++) { WRITE_DAT(0x07);DELAY(50);}
SET_ADDR(2);
for (i=0;i<16;i++) { WRITE_DAT(0x07);DELAY(50);}
SET_ADDR(3);
for (i=0;i<16;i++) { WRITE_DAT(0x07);DELAY(50);}
SET_ADDR(4);
for (i=0;i<16;i++) { WRITE_DAT(0x07);DELAY(50);}
/*Test data start*/
DELAY(200);
p = data4;
WRITE_CGRAM(7,p);
DELAY(200);
p = data1;
WRITE_CGRAM(7,p);
DELAY(200);
p = data3;
WRITE_CGRAM(7,p);
DELAY(200);
p = data6;
WRITE_CGRAM(7,p);
DELAY(200);
/*Test data end*/
SET_ADDR(1);
p=data8;
for (i=0;i<16;i++) { WRITE_DAT(*p++);DELAY(50);}
SET_ADDR(2);
p=data9;
for (i=0;i<16;i++) { WRITE_DAT(*p++);DELAY(50);}
SET_ADDR(3);
p=data10;
for (i=0;i<16;i++) { WRITE_DAT(*p++);DELAY(50);}
SET_ADDR(4);
p=data11;
for (i=0;i<16;i++) { WRITE_DAT(*p++);DELAY(50);}
DELAY(400);
}
}
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