久久久久久久999_99精品久久精品一区二区爱城_成人欧美一区二区三区在线播放_国产精品日本一区二区不卡视频_国产午夜视频_欧美精品在线观看免费

標題: lCD1602程序 [打印本頁]

作者: pk123 時間: 2018-6-3 13:00
標題: lCD1602程序
#define uchar unsigned char
#define uint unsigned int

sbit RS = P2^0;
sbit RW = P2^1;
sbit EN = P2^2;

void Delayms(uint ms)
{
uchar i;
while(ms--)
{
     for(i=0;i<120;i++);
}
}

uchar Busy_Check()
{
uchar LCD_Status;
RS = 0;
RW = 1;
EN = 1;
Delayms(1);
   LCD_Status = P0;
EN = 0;
return LCD_Status;
}

void Write_LCD_Command(uchar cmd)
{
while((Busy_Check()&0x80)==0x80);
RS = 0;
RW = 0;
EN = 0;
P0 = cmd;
EN = 1;
Delayms(1);
EN = 0;
}

void Write_LCD_Data(uchar dat)
{
while((Busy_Check()&0x80)==0x80);
RS = 1;
RW = 0;
EN = 0;
P0 = dat;
EN = 1;
Delayms(1);
EN = 0;
}

void Initialize_LCD()
{
Write_LCD_Command(0x38);
Delayms(1);
Write_LCD_Command(0x01);
Delayms(1);
Write_LCD_Command(0x06);
Delayms(1);
Write_LCD_Command(0x0c);
Delayms(1);
}

void ShowString(uchar x,uchar y,uchar *str)
{
uchar i = 0;
if(y == 0)
Write_LCD_Command(0x80 | x);
if(y == 1)
Write_LCD_Command(0xc0 | x);
for(i=0;i<16;i++)
{
     Write_LCD_Data(str[i]);
}
}

歡迎光臨 (http://www.zg4o1577.cn/bbs/)