www.pudn.com > TCPmodbushy.rar > debug.h

/* 
 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 
 * All rights reserved.  
 *  
 * Redistribution and use in source and binary forms, with or without modification,  
 * are permitted provided that the following conditions are met: 
 * 
 * 1. Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright notice, 
 *    this list of conditions and the following disclaimer in the documentation 
 *    and/or other materials provided with the distribution. 
 * 3. The name of the author may not be used to endorse or promote products 
 *    derived from this software without specific prior written permission.  
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED  
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF  
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT  
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT  
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN  
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING  
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY  
 * OF SUCH DAMAGE. 
 * 
 * This file is part of the lwIP TCP/IP stack. 
 *  
 * Author: Adam Dunkels  
 * 
 */ 
#ifndef __LWIP_DEBUG_H__ 
#define __LWIP_DEBUG_H__ 
 
#include "o:/arch/cc.h" 
 
/** lower two bits indicate debug level 
 * - 0 off 
 * - 1 warning 
 * - 2 serious 
 * - 3 severe 
 */ 
 
#define DBG_LEVEL_OFF     0 
#define DBG_LEVEL_WARNING 1  /* bad checksums, dropped packets, ... */ 
#define DBG_LEVEL_SERIOUS 2  /* memory allocation failures, ... */ 
#define DBG_LEVEL_SEVERE  3  /* */  
#define DBG_MASK_LEVEL    3 
 
/** flag for LWIP_DEBUGF to enable that debug message */ 
#define DBG_ON  0x80U 
/** flag for LWIP_DEBUGF to disable that debug message */ 
#define DBG_OFF 0x00U 
 
/** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */ 
#define DBG_TRACE   0x40U 
/** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */ 
#define DBG_STATE   0x20U 
/** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */ 
#define DBG_FRESH   0x10U 
/** flag for LWIP_DEBUGF to halt after printing this debug message */ 
#define DBG_HALT    0x08U 
 
#ifndef LWIP_NOASSERT 
#  define LWIP_ASSERT(x,y) do { if(!(y)) LWIP_PLATFORM_ASSERT(x); } while(0) 
#else 
#  define LWIP_ASSERT(x,y)  
#endif 
 
#ifdef LWIP_DEBUG 
/** print debug message only if debug message type is enabled... 
 *  AND is of correct type AND is at least DBG_LEVEL 
 */ 
#  define LWIP_DEBUGF(debug,x) do { if (((debug) & DBG_ON) && ((debug) & DBG_TYPES_ON) && ((s16_t)((debug) & DBG_MASK_LEVEL) >= DBG_MIN_LEVEL)) { LWIP_PLATFORM_DIAG(x); if ((debug) & DBG_HALT) while(1); } } while(0) 
#  define LWIP_ERROR(x)   do { LWIP_PLATFORM_DIAG(x); } while(0)   
#else /* LWIP_DEBUG */ 
#  define LWIP_DEBUGF(debug,x)  
#  define LWIP_ERROR(x)   
#endif /* LWIP_DEBUG */ 
 
#endif /* __LWIP_DEBUG_H__ */