st7920.h

At91sam7s64+ucosII+pid温度控制

#ifndef _ST7929_H_
#define _ST7929_H_

#define AT24CXX 0xa1

#define LCD_RW 1<<15
#define LCD_EN 1<<24
#define LCD_RS 1<<25
#define OFFSET 16
#define DABUS   0XFF << 16

void lcd_init();
void lcd_sprint(char* s,char row,char col,char num);
int lcd_wr_dat(unsigned char val);
int lcd_wr_cmd(unsigned char val) ;
void lcd_clr();
#endif