display.h

M16内部采样并用Max7221-7219显示

#ifndef	_display_H
#define	_display_H

#include <iom16v.h>   
//------max7219与M16的连接,可根据实际更改-------- 
#define MAX7219_OUT_DDR   DDRB 
#define MAX7219_OUT_PORT  PORTB 

#define MAX7219_LOAD_PORT PB4    
#define MAX7219_DIN_PORT  PB5 
#define MAX7219_CLK_PORT  PB7 
//---------------------------------------------------------------- 

//------------------------------------------------------------ 
#define MAX7219_CLK_1   MAX7219_OUT_PORT|=(1<<MAX7219_CLK_PORT) 
#define MAX7219_CLK_0   MAX7219_OUT_PORT&=~(1<<MAX7219_CLK_PORT) 

#define MAX7219_DIN_1   MAX7219_OUT_PORT|=(1<<MAX7219_DIN_PORT) 
#define MAX7219_DIN_0   MAX7219_OUT_PORT&=~(1<<MAX7219_DIN_PORT) 

#define MAX7219_LOAD_1  MAX7219_OUT_PORT|=(1<<MAX7219_LOAD_PORT) 
#define MAX7219_LOAD_0  MAX7219_OUT_PORT&=~(1<<MAX7219_LOAD_PORT) 

//extern void SEG_CLEAR(void);			   //清屏
extern void SEG_INIT(void);				   //初始化						  
extern void SEG_L(int number) ;			   //左部分显示
extern void SEG_R(int number);			   //右部分显示					  
extern void SEG_CLOSE(void);               //开SEG
extern void SEG_OPEN(void);				   //关SEG
extern void SEG_LIGHT(unsigned light) ;	   //开第几位SEG

#endif