| /* |
| * 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" |
| #include "lwip/opt.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__ */ |
| |