sbit LCD_RS = P2^0;
sbit LCD_RW = P2^1;
sbit LCD_EN = P2^2;
bit Chbusy(void)
{
bit flag;
LCD_RS = 0;
LCD_RW = 1;
LCD_EN = 0;
LCD_EN = 1;
flag = (bit)(P1& 0x80);
LCD_EN = 0;
return flag;
}
void Sendcom(unsigned char com)
{
while(Chbusy());
LCD_RS = 0;
LCD_RW = 0;
P1 = com;
LCD_EN = 0;
LCD_EN = 1;
LCD_EN = 0;
}
void Senddata(unsigned char dat)
{
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