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#define uchar unsigned char
#define uint unsigned int
void write_data(char ddata);
void write_com(char command);
void init();
sbit dula=P2^6;
sbit wela=P2^7;
sbit rw=P2^1;
sbit rs=P2^0;
sbit lcden=P2^2;
//sbit rw=P2^5;
//sbit rs=P2^6;
//sbit lcden=P2^7;
void delay(uint x)//延时
{
uint a,b;
for(a=x;a>0;a--)
for(b=10;b>0;b--);
}
void write_com(uchar com)//写命令
{
P1=com;
// P0=com;
rs=0;
lcden=0;
delay(10);
lcden=1;
delay(10);
lcden=0;
}
void write_data(uchar date)//写数据
{
P1=date;
//P0=date;
rs=1;
lcden=0;
delay(10);
lcden=1;
delay(10);
lcden=0;
}
void init()//LCD初始化
{
rw=0;
//dula=0;
//wela=0;
write_com(0x38); //显示模式设置:16×2显示，5×7点阵，8位数据接口
delay(20);
write_com(0x0e); //显示模式设置
delay(20);
write_com(0x06); //显示模式设置:光标右移，字符不移
delay(20);
write_com(0x01); //清屏幕指令，将以前的显示内容清除
delay(20);
}
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