EBIKE-FreeRTOS/Common/ethernet/lwIP/include/lwip/debug.h
2024-04-14 18:38:39 +08:00

88 lines
3.3 KiB
C

/*
* 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__ */