標(biāo)題:
51單片機(jī)lcd128*64c語(yǔ)言顯示程序
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作者:
hongniu
時(shí)間:
2015-6-23 18:51
標(biāo)題:
51單片機(jī)lcd128*64c語(yǔ)言顯示程序
#include<reg51.h>
#define uint unsigned int;
#define uchar unsigned char;
sbit rs=P1^0;//并行模式下為指令數(shù)據(jù)選擇信H/L=指令/數(shù)據(jù)
sbit rw=P1^1;//并行的讀寫信號(hào)H/L=讀/寫
sbit e=P1^2; //并行下的使能信號(hào)
unsigned char f;
uchar d1,d2;//數(shù)據(jù)緩沖
unsigned char i,j;
uint code tab[]={ 0xd6d0,0xbdbb,0xd2bb,0xbabd,0xbed6,0x2000,0x04,0x04,
0xa3ba,0xc4d0,0x0d0a,0xd6b0,0xd2b5,0xa3ba,0xb5e7,0xb9a4,
0x0d0a,0xb5a5,0xcebb,0xa3ba,0xd6d0,0xbdbb,0xd2bb,0xbabd,
0xbed6,0xbef9,0xceb0,0xcdf2,0xcbea,0xa3a1,0x2020,0x2020, };
void delay4_6ms()//
{
unsigned char av,bv;
for(bv=12;bv>0;bv--)
for(av=175;av>0;av--);
}
void delay(void)
{
;;;
}
void writedate(unsigned int a)//寫數(shù)據(jù)
{
d2=a;
CY=0;
a=(a>>8);
d1=a;
f=1;
for(i=0;i<2;i++)
{
delay4_6ms();
rs=1;
delay();
rw=0;
delay();
e=1;
delay();
if(f)
{
P0=d1;
f=0;
}
else P0=d2;
delay();
e=0;
delay();
}
}
void writectrl(unsigned char ds)//寫指令
{
rs=0;
delay();
rw=0;
delay();
e=1;
delay();
P0=ds;
delay();
e=0;
delay();
}
void main()
{
writectrl(0x01);//寫指令
delay4_6ms();
writectrl(0x02);//寫指令
delay4_6ms();
writectrl(0x0f);//寫指令
delay4_6ms();
writectrl(0x80);//寫指令
delay4_6ms();
for(j=0;j<32;j++)
writedate(tab[j]);//寫數(shù)據(jù)
delay4_6ms();
while(1);
}
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