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#include
#include
#define uint unsigned int
#define uchar unsigned char
sbit rs=P1^0;
sbit rw=P1^1;
sbit en=P1^2;
void delay(uint sum)
{
int i,j;
for(i=sum;i>0;i--)
for(j=110;j>0;j--);
}
void write_date(uchar date)
{
rs=1;
rw=0;
P0=date;
delay(5);
en=1;
delay(5);
en=0;
}
void write_com(uint com)
{
rs=0;
rw=0;
P0=com;
delay(5);
en=1;
delay(5);
en=0;
}
void init()
{
en=0;
write_com(0x38);
write_com(0x0e);
write_com(0x06);
write_com(0x01);
write_com(0x80+0x10);
}
void main()
{
init();
write_date('a');
delay(20);
write_date('b');
while(1);
}
這個(gè)可以顯示第一行的，你還需要改改 |
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