myled.h

Six objects here: The document you re reading & its Chinese version Set of "HWDesign" includes

#ifndef __myLED_h__
#define __myLED.h__

#define LEDoff		0	/*Three control commands defined here			*/
#define LEDon		1	/*U can use it with LEDctl(), e.x:LEDctl(LEDon,LED3|LED4);	*/
#define LEDchange	3	/* Sen what happen,then U'll get the mind.			*/

#define L001		0x01	/********************************************/
#define L002		0x02	/*Magic Number defined here is just example.		*/
#define L003		0x04	/*Of course U can define some more			*/
#define L004		0x08	/*like "#define LOW2 0x03" for 2LEDs at once		*/
#define LEDA		0xFF	/*or Using 0x03 as arg directly			*/

//#define LED5		0x10	/*			define it when extend			*/
//#define LED6		0x20	/*			define it when extend			*/
//#define LED7		0x40	/*			define it when extend			*/
//#define LED8		0x80	/*			define it when extend			*/

void LEDctl(int,unsigned short arg);

#endif