lwIP  2.1.0
Lightweight IP stack
LWIP_DBG_MIN_LEVEL and LWIP_DBG_TYPES_ON values
lwIP » Options (lwipopts.h) » Debugging » Debug messages

Debug level (LWIP_DBG_MIN_LEVEL)

#define LWIP_DBG_LEVEL_ALL   0x00
 
#define LWIP_DBG_LEVEL_WARNING   0x01
 
#define LWIP_DBG_LEVEL_SERIOUS   0x02
 
#define LWIP_DBG_LEVEL_SEVERE   0x03
 

Enable/disable debug messages completely (LWIP_DBG_TYPES_ON)

#define LWIP_DBG_ON   0x80U
 
#define LWIP_DBG_OFF   0x00U
 

Debug message types (LWIP_DBG_TYPES_ON)

#define LWIP_DBG_TRACE   0x40U
 
#define LWIP_DBG_STATE   0x20U
 
#define LWIP_DBG_FRESH   0x10U
 
#define LWIP_DBG_HALT   0x08U
 

Detailed Description

Macro Definition Documentation

◆ LWIP_DBG_FRESH

#define LWIP_DBG_FRESH   0x10U

flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet

◆ LWIP_DBG_HALT

#define LWIP_DBG_HALT   0x08U

flag for LWIP_DEBUGF to halt after printing this debug message

◆ LWIP_DBG_LEVEL_ALL

#define LWIP_DBG_LEVEL_ALL   0x00

Debug level: ALL messages

◆ LWIP_DBG_LEVEL_SERIOUS

#define LWIP_DBG_LEVEL_SERIOUS   0x02

Debug level: Serious. memory allocation failures, ...

◆ LWIP_DBG_LEVEL_SEVERE

#define LWIP_DBG_LEVEL_SEVERE   0x03

Debug level: Severe

◆ LWIP_DBG_LEVEL_WARNING

#define LWIP_DBG_LEVEL_WARNING   0x01

Debug level: Warnings. bad checksums, dropped packets, ...

◆ LWIP_DBG_OFF

#define LWIP_DBG_OFF   0x00U

flag for LWIP_DEBUGF to disable that debug message

◆ LWIP_DBG_ON

#define LWIP_DBG_ON   0x80U

flag for LWIP_DEBUGF to enable that debug message

◆ LWIP_DBG_STATE

#define LWIP_DBG_STATE   0x20U

flag for LWIP_DEBUGF indicating a state debug message (to follow module states)

◆ LWIP_DBG_TRACE

#define LWIP_DBG_TRACE   0x40U

flag for LWIP_DEBUGF indicating a tracing message (to follow program flow)