//class.h
class SystemObj;
class SystemObj
{
public:
SystemObj(void);
void Led1On(void);
void Led1Off(void);
void Led2On(void);
void Led2Off(void);
void Led3On(void);
void Led3Off(void);
void Led4On(void);
void Led4Off(void);
void Led5On(void);
void Led5Off(void);
void Led6On(void);
void Led6Off(void);
void BeepOn(void);
void BeepOff(void);
void HibernateInit(void);
void WatchdogInit(void);
private:
void Init(void);
void SysTickInit(void);
void LedInit(void);
void BeepInit(void);
private:
unsigned char Count;
//注意简单的静态变量可以直接定义
// static const unsigned int abc =123;
static const unsigned int abc;// =123;
//注意复杂的静态变量不可以直接定义,例如数组
static const unsigned int xyz[5];// = {1,2,3,4,5};
public:
volatile unsigned int RamTest;
union
{
volatile unsigned char WorkFlag;
struct
{
unsigned char Watchdog: 1;//允许喂狗
unsigned char SysTickFlag: 1;//节拍中断
unsigned char MainLoopFlag: 1;//主循环运行
unsigned char MainWatchdog: 1;//主循环喂狗
};
};
};
//注意不能在class.h里定义这2个静态变量
//const unsigned int SystemObj::abc = 123;
//const unsigned int SystemObj::xyz[5] = {1,2,3,4,5};
//class.cpp
#include "class.h"
const unsigned int SystemObj::abc = 123;//可以在类中直接定义
const unsigned int SystemObj::xyz[5] = {1,2,3,4,5};;//不可以在类中直接定义
* - 本贴最后修改时间：2008-2-8 5:03:43 修改者：hotpower
C++ Primer 第三版中文版
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