| Travis Geiselbrecht | 1d0df69 | 2008-09-01 02:26:09 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without modification, |
| 6 | * are permitted provided that the following conditions are met: |
| 7 | * |
| 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. |
| 15 | * |
| 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 |
| 25 | * OF SUCH DAMAGE. |
| 26 | * |
| 27 | * This file is part of the lwIP TCP/IP stack. |
| 28 | * |
| 29 | * Author: Adam Dunkels <adam@sics.se> |
| 30 | * |
| 31 | */ |
| 32 | #ifndef __LWIP_DEBUG_H__ |
| 33 | #define __LWIP_DEBUG_H__ |
| 34 | |
| 35 | #include "arch/cc.h" |
| 36 | |
| 37 | /** lower two bits indicate debug level |
| 38 | * - 0 off |
| 39 | * - 1 warning |
| 40 | * - 2 serious |
| 41 | * - 3 severe |
| 42 | */ |
| 43 | |
| 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 |
| 49 | |
| 50 | /** flag for LWIP_DEBUGF to enable that debug message */ |
| 51 | #define DBG_ON 0x80U |
| 52 | /** flag for LWIP_DEBUGF to disable that debug message */ |
| 53 | #define DBG_OFF 0x00U |
| 54 | |
| 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 |
| 63 | |
| 64 | #ifndef LWIP_NOASSERT |
| 65 | # define LWIP_ASSERT(x,y) do { if(!(y)) LWIP_PLATFORM_ASSERT(x); } while(0) |
| 66 | #else |
| 67 | # define LWIP_ASSERT(x,y) |
| 68 | #endif |
| 69 | |
| 70 | #ifdef LWIP_DEBUG |
| 71 | /** print debug message only if debug message type is enabled... |
| 72 | * AND is of correct type AND is at least DBG_LEVEL |
| 73 | */ |
| 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 */ |
| 80 | |
| 81 | #endif /* __LWIP_DEBUG_H__ */ |
| 82 | |
| 83 | |
| 84 | |
| 85 | |
| 86 | |
| 87 | |