[lwip-users] LwIP 1.3.1 - problems setting up the debug macros

[Mikael Rosberg]

Hi,

 

Have started to take a closer look at Lwip.

I'm using a keil MCB1700 board and KEIL RealView MDK-ARM.

I found an example for this platform using the CoOs RTOS.

App: Application source code
CoOS: CooCox CoOS source code
Net: HTTP source code
Ethernet: LwIP source code (LwIP 1.3.1)
RvMDK: Project file
CMSIS: CMSIS source code

The application (HTTP server) sseems to work ok but when starting to play around and using debug printing, I ran into some problems.

 

Q1.

Took some time to get the printning going and looks like other have had similar problem with the debug macros.

Is there some doc describing the debug macros ? ( I have searched quite a lot...)

   

Q2.

I got the printing of the ip addresses wrong,, like "udp_bind: bound to 0.0.0.268439356, port 13481" below.

I had to change several macros in netif.c.to get proper printing and also adjusting ip_addr_debug_print.

I believe their must some other way to fix this.

Would appreciate if someone could point me in the right direction.

 

BR

 

 Main entry checking UART & stdio ..
lwip_init_task
netif_add(..
netif_set_ipaddr: netif address being changed
netif: IP address of interface    set to: 192.168.2.100
netif: netmask of interface    set to: 0.0.0.0
netif: GW address of interface    set to: 192.168.2.1
DBG: ..\Ethernet\LWIP\src\core\netif.c, 158
netif: added interface en IP addr 192.168.2.100
 netmask 255.255.255.0
 gw 192.168.2.1

 

netif_set_default(..
netif: setting default interface en
netif_set_up(..
etharp_request: sending ARP request.
pbuf_alloc(length=44)
pbuf_alloc(length=44) == 10000678
etharp_raw: sending raw ARP packet.
pbuf_header: old 10000688 new 1000068a (-2)
pbuf_free(10000678)
pbuf_free: deallocating 10000678
pbuf_header: old 1000068a new 10000688 (2)
pbuf_free(10000678)
pbuf_free: 10000678 has ref 65535, ending here.
sys_timeout: 10001f4c msecs=5000 h=0000b0a3 arg=10001f4c
tcpip_thread: API message 10004be8
tcpip_thread: API message 10004ef8
tcpip_thread: API message 10004be8
tcp_bind: bind to port 80
tcpip_thread: API message 10004ef8
udp_bind(ipaddr = 176.81.0.16
, port = 95)
udp_bind: bound to 0.0.0.268439356, port 13481
tcpip_thread: API message 10004bf0
tcpip_thread: API message 10004f00

 

 

//#define ip_addr_debug_print(debug, ipaddr) \
//  LWIP_DEBUGF(debug, ("%"U16_F".%"U16_F".%"U16_F".%"U16_F,              \
//                      ipaddr != NULL ?                                  \
//                      (u16_t)(ntohl((ipaddr)->addr) >> 24) & 0xff : 0,  \
//                      ipaddr != NULL ?                                  \
//                      (u16_t)(ntohl((ipaddr)->addr) >> 16) & 0xff : 0,  \
//                      ipaddr != NULL ?                                  \
//                      (u16_t)(ntohl((ipaddr)->addr) >> 8) & 0xff : 0,   \
//                      ipaddr != NULL ?                                  \
//                      (u16_t)ntohl((ipaddr)->addr) & 0xff : 0))

 

//#define (debug, ipaddr)                   \
//  LWIP_DEBUGF(debug, ("%u.%u.%u.%u",                         \
//                      (ntohl((ipaddr)->addr) >> 24) & 0xff,  \
//                      (ntohl((ipaddr)->addr) >> 16) & 0xff,  \
//                      (ntohl((ipaddr)->addr) >>  8) & 0xff,  \
//                      (ntohl((ipaddr)->addr) >>  0) & 0xff   \
//                    ))

 

/* These are cast to u16_t, with the intent that they are often arguments
 * to printf using the U16_F format from cc.h. */
#define ip4_addr1(ipaddr) ((u16_t)(ntohl((ipaddr)->addr) >> 24) & 0xff)
#define ip4_addr2(ipaddr) ((u16_t)(ntohl((ipaddr)->addr) >> 16) & 0xff)
#define ip4_addr3(ipaddr) ((u16_t)(ntohl((ipaddr)->addr) >>  8) & 0xff)
#define ip4_addr4(ipaddr) ((u16_t)(ntohl((ipaddr)->addr) >>  0) & 0xff)