io.h

STC89C51单片机与cc1100组合构建的短距离无线通信

#ifndef _IO_H_
#define _IO_H_



sbit 	GDO0	=P3^4;
sbit 	GDO2	=P3^2;
sbit	MISO	=P1^7;
sbit	MOSI	=P1^5;
sbit	SCK		=P1^6;
sbit	CSN		=P3^3;

sbit    LED2    =P2^6;
sbit    LED1    =P2^7;
sbit    KEY1    =P2^4;
sbit    KEY2    =P2^5;





#define KEY1_DOWN    KEY1==0         //按键触发 
#define KEY1_UP      KEY1==1         //按键弹起 

#define KEY2_DOWN    KEY2==0         //按键触发 
#define KEY2_UP      KEY2==1         //按键弹起 
//
#define LED1_OFF LED1=1             //关闭指示 
#define LED1_ON  LED1=0             //打开指示 

#define LED2_OFF LED2=1             //关闭指示 
#define LED2_ON  LED2=0             //打开指示 


#define SCLK_L SCK=0                //发出时钟 
#define SCLK_H SCK=1                //结束时钟 

#define CSN_L  CSN=0                //使能选择 
#define CSN_H  CSN=1               //使能结束 

#define MOSI_L MOSI=0               //低位数据 
#define MOSI_H MOSI=1               //高位数据 

#define MISO_L  !MISO                       //输入低位 
#define MISO_H  MISO               //输入高位   

#define GDO0_L !GDO0                       //低位指示 
#define GDO0_H GDO0               //高位指示 

#define GDO2_L !GDO2                       //低位指示 
#define GDO2_H GDO2               //高位指示 



#endif