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原帖由 guozhiyang 于 2011-7-15 14:39 发表 LM3S的库函数的源码在编写的时候经常用到 ASSERT((ulBase == UART0_BASE) || (ulBase == UART1_BASE) |）；其中ASSERT在库函数编写的时候为什么起到什么作用。表示一个判断的语句？？在LM3S的书籍中并没有发现有 ...

 

函数原型在StellarisWare_for_EK-LM3S811driverlibdebug.h

 

#ifndef __DEBUG_H__
#define __DEBUG_H__

//*****************************************************************************
//
// Prototype for the function that is called when an invalid argument is passed
// to an API.  This is only used when doing a DEBUG build.
//
//*****************************************************************************
extern void __error__(char *pcFilename, unsigned long ulLine);

//*****************************************************************************
//
// The ASSERT macro, which does the actual assertion checking.  Typically, this
// will be for procedure arguments.
//
//*****************************************************************************
#ifdef DEBUG
#define ASSERT(expr) {                                     
                         if(!(expr))                       
                         {                                 
                             __error__(__FILE__, __LINE__);
                         }                                 
                     }
#else
#define ASSERT(expr)
#endif

#endif // __DEBUG_H__