lcd.h

用单片机C51语言写的等精度的频率计

#include <reg51.h>
#include <absacc.h>
#define WR_COM XBYTE[0x7ff0]
#define RD_STA XBYTE[0x7ff2]
#define WR_DAT XBYTE[0x7ff1]
#define RD_DAT XBYTE[0x7ff3]
void init_LCD();
void init_cgram();
//void test_lcd();
void clr_lcd();
void PutChar(char t);
void delay();
void lcdprintf(char x,char y,char *s);