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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@MaBe
ESP on 192.168.194.65, Macbook on 192.168.194.52
ESP pings Macbook and Macbook captures packages with tcpdump
tcpdump -s 1550 -w x.pcap -v host 192.168.194.64
tcpdump: data link type PKTAP
tcpdump: listening on pktap, link-type PKTAP (Packet Tap), capture size 1550 bytes
10 packets captured
87 packets received by filter
0 packets dropped by kernel
tcpdump -XX -nnr x.pcap | grep ICMP
reading from PCAP-NG file x.pcap
17:13:10.851201 IP 192.168.194.64 > 0.0.0.0: ICMP echo request, id 44975, seq 11, length 40
17:13:10.851227 IP 192.168.194.52 > 192.168.194.64: ICMP echo reply, id 44975, seq 11, length 40
17:13:11.772757 IP 192.168.194.64 > 0.0.0.0: ICMP echo request, id 44975, seq 12, length 40
17:13:11.772777 IP 192.168.194.52 > 192.168.194.64: ICMP echo reply, id 44975, seq 12, length 40
17:13:13.001780 IP 192.168.194.64 > 0.0.0.0: ICMP echo request, id 44975, seq 13, length 40
17:13:13.001813 IP 192.168.194.52 > 192.168.194.64: ICMP echo reply, id 44975, seq 13, length 40
17:13:13.933726 IP 192.168.194.64 > 0.0.0.0: ICMP echo request, id 44975, seq 14, length 40
17:13:13.933756 IP 192.168.194.52 > 192.168.194.64: ICMP echo reply, id 44975, seq 14, length 40
17:13:15.107559 IP 192.168.194.64 > 0.0.0.0: ICMP echo request, id 44975, seq 15, length 40
17:13:15.107585 IP 192.168.194.52 > 192.168.194.64: ICMP echo reply, id 44975, seq 15, length 40
funny .....