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- /*
- * 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 <adam@sics.se>
- *
- */
- #ifndef __LWIP_DEBUG_H__
- #define __LWIP_DEBUG_H__
- #include "lwip/arch.h"
- /** lower two bits indicate debug level
- * - 0 all
- * - 1 warning
- * - 2 serious
- * - 3 severe
- */
- #define LWIP_DBG_LEVEL_ALL 0x00
- #define LWIP_DBG_LEVEL_OFF LWIP_DBG_LEVEL_ALL /* compatibility define only */
- #define LWIP_DBG_LEVEL_WARNING 0x01 /* bad checksums, dropped packets, ... */
- #define LWIP_DBG_LEVEL_SERIOUS 0x02 /* memory allocation failures, ... */
- #define LWIP_DBG_LEVEL_SEVERE 0x03
- #define LWIP_DBG_MASK_LEVEL 0x03
- /** flag for LWIP_DEBUGF to enable that debug message */
- #define LWIP_DBG_ON 0x80U
- /** flag for LWIP_DEBUGF to disable that debug message */
- #define LWIP_DBG_OFF 0x00U
- /** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */
- #define LWIP_DBG_TRACE 0x40U
- /** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */
- #define LWIP_DBG_STATE 0x20U
- /** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */
- #define LWIP_DBG_FRESH 0x10U
- /** flag for LWIP_DEBUGF to halt after printing this debug message */
- #define LWIP_DBG_HALT 0x08U
- #ifndef LWIP_NOASSERT
- #define LWIP_ASSERT(message, assertion) do { if(!(assertion)) \
- LWIP_PLATFORM_ASSERT(message); } while(0)
- #else /* LWIP_NOASSERT */
- #define LWIP_ASSERT(message, assertion)
- #endif /* LWIP_NOASSERT */
- /** if "expression" isn't true, then print "message" and execute "handler" expression */
- #ifndef LWIP_ERROR
- #define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
- LWIP_PLATFORM_ASSERT(message); handler;}} while(0)
- #endif /* LWIP_ERROR */
- #ifdef LWIP_DEBUG
- /** print debug message only if debug message type is enabled...
- * AND is of correct type AND is at least LWIP_DBG_LEVEL
- */
- #define LWIP_DEBUGF(debug, message) do { \
- if ( \
- ((debug) & LWIP_DBG_ON) && \
- ((debug) & LWIP_DBG_TYPES_ON) && \
- ((s16_t)((debug) & LWIP_DBG_MASK_LEVEL) >= LWIP_DBG_MIN_LEVEL)) { \
- LWIP_PLATFORM_DIAG(message); \
- if ((debug) & LWIP_DBG_HALT) { \
- while(1); \
- } \
- } \
- } while(0)
- #else /* LWIP_DEBUG */
- #define LWIP_DEBUGF(debug, message)
- #endif /* LWIP_DEBUG */
- #endif /* __LWIP_DEBUG_H__ */
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