| /* | |
| * 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 off | |
| * - 1 warning | |
| * - 2 serious | |
| * - 3 severe | |
| */ | |
| #define LWIP_DBG_LEVEL_OFF 0x00 | |
| #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(x,y) do { if(!(y)) LWIP_PLATFORM_ASSERT(x); } while(0) | |
| #else /* LWIP_NOASSERT */ | |
| #define LWIP_ASSERT(x,y) | |
| #endif /* LWIP_NOASSERT */ | |
| /** print "m" message only if "e" is true, and execute "h" expression */ | |
| #ifndef LWIP_ERROR | |
| #define LWIP_ERROR(m,e,h) do { if (!(e)) { LWIP_PLATFORM_ASSERT(m); h;}} 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,x) 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(x); \ | |
| if ((debug) & LWIP_DBG_HALT) { \ | |
| while(1); \ | |
| } \ | |
| } \ | |
| } while(0) | |
| #else /* LWIP_DEBUG */ | |
| #define LWIP_DEBUGF(debug,x) | |
| #endif /* LWIP_DEBUG */ | |
| #endif /* __LWIP_DEBUG_H__ */ | |