DEBUG_Printf 的一种定义（lwip）

左手的ㄟ右手 2022-08-13 13:42 246阅读 0赞

\#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 SOCKETS\_DEBUG  
\#define SOCKETS\_DEBUG LWIP\_DBG\_OFF  
\#endif

/\*\*  
\* ICMP\_DEBUG: Enable debugging in icmp.c.  
\*/  
\#ifndef ICMP\_DEBUG  
\#define ICMP\_DEBUG LWIP\_DBG\_OFF  
\#endif

\#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\_PLATFORM\_DIAG printf  
\#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\_\_ \*/

code:

case TCP\_KEEPINTVL:  
sock->conn->pcb.tcp->keep\_intvl = 1000\*(u32\_t)(\*(int\*)optval);  
LWIP\_DEBUGF(SOCKETS\_DEBUG, ("lwip\_setsockopt(%d, IPPROTO\_TCP, TCP\_KEEPINTVL) -> %"U32\_F"\\n",  
s, sock->conn->pcb.tcp->keep\_intvl));