ledcontrol.hpp

是一个键盘测试程序

#ifndef _LEDCTRL_H__
#define _LEDCTRL_H__

#include <pthread.h>

#ifdef __cplusplus
extern "C" {
#endif

enum modes {TOP2BOTTOM=1, BOTTOM2TOP, LEFT2RIGHT, RIGHT2LEFT, STILL, BLINK}; 
enum speeds {SLOW, NORMAL, HIGH };

#include "ledtype.h"
#include "ledbuffer.hpp"
#include "ledrv.h"

/*
  This class needs pthreads
  */
class LedCtrl
{

public:
		LedCtrl(const char* devfile, int bps);
		~LedCtrl();
		/*
			@return 
			0, ok;
			-1, idx not exist;
			-2, mode unsupport;
			-3, speed out of range;
			
		  */
		int show(int idx,enum modes mode, int speed);
		/*
		original flush, can be impl as breakshow+show;
		breakshow stop the current display;
		*/
		void breakshow();
		LedBuffer* setBuffer(LedBuffer* newBuf);
		/*
			@ true
		  */
		BOOL flash(int idx,enum speeds);
		void clear();
		int getScreenInfo();
		BOOL selftest();
private:
	LedBuffer* buffer;
public:
	pthread_mutex_t mutex;
	BOOL bRuning;
	pthread_t thread;
	enum modes m_mode;
	int m_speed;
	int m_infoidx;
	unsigned short bufdisp[512];
	ledrv_t* drv;
};

#ifdef __cplusplus
}
#endif

#endif