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標題:
51單片機:1602液晶顯示歡迎界面源程序
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作者:
51黑芯片
時間:
2016-1-17 00:56
標題:
51單片機:1602液晶顯示歡迎界面源程序
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code table[]="hello! jasper"; //寫字符串時用“”而不是{ }了
uchar code table1[]=" xm.dabiao ";
sbit lcden=P3^4;
sbit lcdrs=P3^5;
sbit dula=P2^6;
sbit wela=P2^7;
uchar num;
void delay(uint z) //延時
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(uchar com) //寫指令函數
{
lcdrs=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_data(uchar date) //寫數據 函數
{
lcdrs=1;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void init()
{
dula=0; //初始化,關斷數碼管
wela=0;
lcden=0;
write_com(0x38);
write_com(0x0e);
write_com(0x06);
write_com(0x01);
// write_com(0x80);
write_com(0x80+0x10);
}
void main()
{
init();
for(num=0;num<13;num++)
{
write_data(table[num]);
delay(20);
}
// write_com(1); //清屏
//----------------------------再寫第二行
write_com(0x80+0x51);
for(num=0;num<16;num++)
{
write_data(table1[num]);
delay(20);
}
for(num=0;num<16;num++)
{
write_com(0x18); //由code控制位 表算得18,整屏左移
delay(160);
}
while(1);
}
//-------------------------
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