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Warning, cross-references for /kernel/include/lwip/debug.h need to be fixed.
0001 /* 0002 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 0003 * All rights reserved. 0004 * 0005 * Redistribution and use in source and binary forms, with or without modification, 0006 * are permitted provided that the following conditions are met: 0007 * 0008 * 1. Redistributions of source code must retain the above copyright notice, 0009 * this list of conditions and the following disclaimer. 0010 * 2. Redistributions in binary form must reproduce the above copyright notice, 0011 * this list of conditions and the following disclaimer in the documentation 0012 * and/or other materials provided with the distribution. 0013 * 3. The name of the author may not be used to endorse or promote products 0014 * derived from this software without specific prior written permission. 0015 * 0016 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 0017 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 0018 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 0019 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 0020 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 0021 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 0022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 0023 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 0024 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 0025 * OF SUCH DAMAGE. 0026 * 0027 * This file is part of the lwIP TCP/IP stack. 0028 * 0029 * Author: Adam Dunkels <adam@sics.se> 0030 * 0031 */ 0032 #ifndef __LWIP_DEBUG_H__ 0033 #define __LWIP_DEBUG_H__ 0034 0035 #include "lwip/arch.h" 0036 0037 /** lower two bits indicate debug level 0038 * - 0 all 0039 * - 1 warning 0040 * - 2 serious 0041 * - 3 severe 0042 */ 0043 #define LWIP_DBG_LEVEL_ALL 0x00 0044 #define LWIP_DBG_LEVEL_OFF LWIP_DBG_LEVEL_ALL /* compatibility define only */ 0045 #define LWIP_DBG_LEVEL_WARNING 0x01 /* bad checksums, dropped packets, ... */ 0046 #define LWIP_DBG_LEVEL_SERIOUS 0x02 /* memory allocation failures, ... */ 0047 #define LWIP_DBG_LEVEL_SEVERE 0x03 0048 #define LWIP_DBG_MASK_LEVEL 0x03 0049 0050 /** flag for LWIP_DEBUGF to enable that debug message */ 0051 #define LWIP_DBG_ON 0x80U 0052 /** flag for LWIP_DEBUGF to disable that debug message */ 0053 #define LWIP_DBG_OFF 0x00U 0054 0055 /** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */ 0056 #define LWIP_DBG_TRACE 0x40U 0057 /** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */ 0058 #define LWIP_DBG_STATE 0x20U 0059 /** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */ 0060 #define LWIP_DBG_FRESH 0x10U 0061 /** flag for LWIP_DEBUGF to halt after printing this debug message */ 0062 #define LWIP_DBG_HALT 0x08U 0063 0064 #ifndef LWIP_NOASSERT 0065 #define LWIP_ASSERT(message, assertion) do { if(!(assertion)) \ 0066 LWIP_PLATFORM_ASSERT(message); } while(0) 0067 #else /* LWIP_NOASSERT */ 0068 #define LWIP_ASSERT(message, assertion) 0069 #endif /* LWIP_NOASSERT */ 0070 0071 /** if "expression" isn't true, then print "message" and execute "handler" expression */ 0072 #ifndef LWIP_ERROR 0073 #define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \ 0074 LWIP_PLATFORM_ASSERT(message); handler;}} while(0) 0075 #endif /* LWIP_ERROR */ 0076 0077 #ifdef LWIP_DEBUG 0078 /** print debug message only if debug message type is enabled... 0079 * AND is of correct type AND is at least LWIP_DBG_LEVEL 0080 */ 0081 #define LWIP_DEBUGF(debug, message) do { \ 0082 if ( \ 0083 ((debug) & LWIP_DBG_ON) && \ 0084 ((debug) & LWIP_DBG_TYPES_ON) && \ 0085 ((s16_t)((debug) & LWIP_DBG_MASK_LEVEL) >= LWIP_DBG_MIN_LEVEL)) { \ 0086 LWIP_PLATFORM_DIAG(message); \ 0087 if ((debug) & LWIP_DBG_HALT) { \ 0088 while(1); \ 0089 } \ 0090 } \ 0091 } while(0) 0092 0093 #else /* LWIP_DEBUG */ 0094 #define LWIP_DEBUGF(debug, message) 0095 #endif /* LWIP_DEBUG */ 0096 0097 #endif /* __LWIP_DEBUG_H__ */ 0098
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