lcd_test.c

一个超声波传感器与51单片机的通信程序,实现了距离的测量

#include"URM37_51demo.H"

extern void LCD_WRITE_DATA(unsigned char);
extern void LCD_WRITE_COMM(uchar);
uchar   code logo[]="URM37 Eval Board";
void 	LCD_logo(void)//在第一行显示一个LOGO “URM37 Eval Board”
{
	unsigned char i;
	
	i = 0;
	while(logo[i] != '\0')
	{
		LCD_WRITE_DATA(logo[i]);
		i++;
	}
}


/*
void LCD_ClearLin2(void)
{
	uchar i;
	LCD_WRITE_COMM(0xc0);	//
	for(i=0;i<16;i++)
	{
		
		LCD_WRITE_DATA(20);	
	}
}
*/