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#技术资源# #申请原创# 回复本贴，获取更多单片机资料
1、电路设计
2、程序设计
uchar num[] = "0123456789";
sbit RS = P2^2;
sbit RW = P2^1;
sbit E = P2^0;
void delay(uint x)
{
while(x--);
}
/***向LCD写一个命令**/
void write_command(uchar command)
{
RW = 0;
RS = 0;
P0 = command;
E = 1;
delay(100);//等待接收，忽略读状态操作
E = 0;
RW = 1;
}
/***向LCD写一个数据**/
void write_data(uchar date)
{
RW = 0;
RS = 1;
P0 = date;
E = 1;
delay(100);//等待接收
E = 0;
RW = 1;
}
/**初始化**/
void FLCD1602_init(void)
{
write_command(0x38);//两行，每行16个字符，每个字符是5*7点阵
write_command(0x0f);//光标显示并闪烁
//write_command(0x0c);//光标不显示
write_command(0x06);//光标随字符右移
}
/**清屏**/
void FLCD1602_clear()
{
write_command(0x01);
write_command(0x02);
}
/**向LCD写字符串**/
void display_string(uchar *p)
{
while(*p)//字符非空
{
write_data(*p);//写字符
p++; //数据指针++
}
}
/**向LCD写数字变量**/
void display_num(uchar x)
{
write_data(num[x / 10]);
write_data(num[x % 10]);
}
/**定位**/
void gotoxy(uchar y,uchar x)
{
if(y == 1)
write_command(0x40 + x);
else if(y == 2)
write_command(0x80 + 0x40 + x);
}
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