2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
27 * This file is part of the lwIP TCP/IP stack.
29 * Author: Adam Dunkels <adam@sics.se>
32 #ifndef __LWIP_DEBUG_H__
33 #define __LWIP_DEBUG_H__
37 /** lower two bits indicate debug level
44 #define DBG_LEVEL_OFF 0
45 #define DBG_LEVEL_WARNING 1 /* bad checksums, dropped packets, ... */
46 #define DBG_LEVEL_SERIOUS 2 /* memory allocation failures, ... */
47 #define DBG_LEVEL_SEVERE 3 /* */
48 #define DBG_MASK_LEVEL 3
50 /** flag for LWIP_DEBUGF to enable that debug message */
52 /** flag for LWIP_DEBUGF to disable that debug message */
55 /** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */
56 #define DBG_TRACE 0x40U
57 /** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */
58 #define DBG_STATE 0x20U
59 /** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */
60 #define DBG_FRESH 0x10U
61 /** flag for LWIP_DEBUGF to halt after printing this debug message */
62 #define DBG_HALT 0x08U
65 # define LWIP_ASSERT(x,y) do { if(!(y)) LWIP_PLATFORM_ASSERT(x); } while(0)
67 # define LWIP_ASSERT(x,y)
71 /** print debug message only if debug message type is enabled...
72 * AND is of correct type AND is at least DBG_LEVEL
74 # 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)
75 # define LWIP_ERROR(x) do { LWIP_PLATFORM_DIAG(x); } while(0)
76 #else /* LWIP_DEBUG */
77 # define LWIP_DEBUGF(debug,x)
78 # define LWIP_ERROR(x)
79 #endif /* LWIP_DEBUG */
81 #endif /* __LWIP_DEBUG_H__ */