<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Tom,<div class=""><br class=""></div><div class="">PCAP support is now in (for RE).</div><div class=""><br class=""></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div class=""><font face="Andale Mono" class=""><span style="font-size: 14px;" class="">OVMS# re start</span></font></div><div class=""><font face="Andale Mono" class=""><span style="font-size: 14px;" class="">OVMS# re serve format cap</span></font></div><div class=""><font face="Andale Mono" class=""><span style="font-size: 14px;" class="">OVMS# re serve mode simulate</span></font></div><div class=""><font face="Andale Mono" class=""><span style="font-size: 14px;" class=""><br class=""></span></font></div><div class=""><font face="Andale Mono" class=""><span style="font-size: 14px;" class=""># Capture over Wifi to pcap</span></font></div><div class=""><font face="Andale Mono" class=""><span style="font-size: 14px;" class="">$ nc OVMS.local 3000 >my.pcap</span></font></div><div class=""><font face="Andale Mono" class=""><span style="font-size: 14px;" class=""><br class=""></span></font></div><div class=""><font face="Andale Mono" class=""><span style="font-size: 14px;" class=""># Replay pcap over Wifi</span></font></div><div class=""><font face="Andale Mono" class=""><span style="font-size: 14px;" class="">$ nc OVMS.local 3000 <my.pcap >/dev/null</span></font></div></blockquote><div class=""><br class=""></div><div class="">Seems to work ok, but I only support big endian micro-second resolution pcaps (at the moment). You’d need to fix byte ordering in the pcap header record to be able to replay your existing pcaps into it.</div><div class=""><br class=""></div><div class="">I’ve tested some simulated captures, into Wireshark, and it seems fine for me. Will try in a real car tomorrow. Thanks for your help with the captures. Very helpful to see what is going on with a real example.</div><div class=""><br class=""></div><div class="">Regards, Mark.</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 27 Apr 2018, at 1:58 PM, Tom Parker <<a href="mailto:tom@carrott.org" class="">tom@carrott.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><a href="https://carrott.org/pcaps/" class="">https://carrott.org/pcaps/</a><br class=""><br class="">These were captured with tcpdump and an USB can interface with slcan driver. I post processed them to byte swap the can ID with https://carrott.org/git/leaf-can-dissector.git/blob/HEAD:/pcap-canid-endian-swap.py<br class=""><br class="">I don't know why tcpdump and wireshark disagree on the byte order of the can id.<br class="">On Apr 27, 2018 5:24 PM, Mark Webb-Johnson <mark@webb-johnson.net> wrote:<br class=""><blockquote type="cite" class=""><br class=""><br class="">Has anybody got an example of a PCAP format canbus dump file? Some dump from a car in a suitable format for loading into wireshark (pcap not pcapng).<br class=""><br class="">If so, please eMail to me (mark@webb-johnson.net) or give me a link to where I can download from.<br class=""><br class="">I need it to verify that OVMS can read/write to that format.<br class=""><br class="">Thanks, Mark.<br class=""><br class=""></blockquote></div></div></blockquote></div><br class=""></div></body></html>