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