| /* |
| * 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 "arch/cc.h" |
| |
| /** lower two bits indicate debug level |
| * - 0 off |
| * - 1 warning |
| * - 2 serious |
| * - 3 severe |
| */ |
| |
| #define DBG_LEVEL_OFF 0 |
| #define DBG_LEVEL_WARNING 1 /* bad checksums, dropped packets, ... */ |
| #define DBG_LEVEL_SERIOUS 2 /* memory allocation failures, ... */ |
| #define DBG_LEVEL_SEVERE 3 /* */ |
| #define DBG_MASK_LEVEL 3 |
| |
| /** flag for LWIP_DEBUGF to enable that debug message */ |
| #define DBG_ON 0x80U |
| /** flag for LWIP_DEBUGF to disable that debug message */ |
| #define DBG_OFF 0x00U |
| |
| /** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */ |
| #define DBG_TRACE 0x40U |
| /** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */ |
| #define DBG_STATE 0x20U |
| /** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */ |
| #define DBG_FRESH 0x10U |
| /** flag for LWIP_DEBUGF to halt after printing this debug message */ |
| #define DBG_HALT 0x08U |
| |
| #ifndef LWIP_NOASSERT |
| # define LWIP_ASSERT(x,y) do { if(!(y)) LWIP_PLATFORM_ASSERT(x); } while(0) |
| #else |
| # define LWIP_ASSERT(x,y) |
| #endif |
| |
| #ifdef LWIP_DEBUG |
| /** print debug message only if debug message type is enabled... |
| * AND is of correct type AND is at least DBG_LEVEL |
| */ |
| # 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) |
| # define LWIP_ERROR(x) do { LWIP_PLATFORM_DIAG(x); } while(0) |
| #else /* LWIP_DEBUG */ |
| # define LWIP_DEBUGF(debug,x) |
| # define LWIP_ERROR(x) |
| #endif /* LWIP_DEBUG */ |
| |
| #endif /* __LWIP_DEBUG_H__ */ |
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