The default was Little endian and I did not change it. Willi
> I guess you already have this in uip-conf.h? > #define UIP_CONF_BYTE_ORDER LITTLE_ENDIAN > /Daniel > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of Willi Schulte > Sent: den 5 mars 2007 15:30 > To: uip-users@sics.se > Subject: [uip-users] Byte ordering problem with ARM7 > Hi all, > I try to port uIP 1.0 to the LC2132. First of all I had trouble > with the uIP Log Message "ip: Invalid version or header length". > Obviously there is a problem with the linker. Mr. McKenney had the > same problems and could give me some hints to fix it > (struct ... __attribute__((packed));) > Now I had the next problem: ARP does not work. With debug-prints > I found out that there is an endian problem. > The quick fix in main() was: > --------------------------------------------------------------------- > // uip_ipaddr(ipaddr, 192,168,1,160); // looks good but does not work > uip_ipaddr(ipaddr, 168,192,160,1); // looks crazy but ARP works > uip_sethostaddr(ipaddr); > // ... the same change for the netmask and ARP and PING works! > --------------------------------------------------------------------- > I can't believe that this is the "solution". Something else > must be wrong here. Has anyone an idea what had happened? > I am using GNU-C with KEIL-IDE and the LPC2132 in "little edian" > mode, also in "uipopt.h". > Thanks a lot in advance, > Willi
