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Hundemeier / sacn

A simple ANSI E1.31 (aka sACN) module for python.
MIT License
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Receiving issue #9

Closed Elsurimi closed 3 years ago

Elsurimi commented 5 years ago

Hi, Thanks for your library it's a good job. But I have a problem with the receiving fonction on a rasberry pi.

When I try your example no packet are detected, but when I look with Tshark, packets from my sacn controller are send:

Capturing on 'eth0.5' 1 0.000000000 192.168.13.200 → 239.255.0.2 UDP 680 48369 → 5568 Len=638 2 0.000223900 192.168.13.200 → 239.255.0.3 UDP 680 48369 → 5568 Len=638 3 0.806439562 192.168.13.200 → 239.255.0.2 UDP 680 48369 → 5568 Len=638 4 0.806614974 192.168.13.200 → 239.255.0.3 UDP 680 48369 → 5568 Len=638 5 1.613344715 192.168.13.200 → 239.255.0.2 UDP 680 48369 → 5568 Len=638 6 1.613531325 192.168.13.200 → 239.255.0.3 UDP 680 48369 → 5568 Len=638 7 2.421833872 192.168.13.200 → 239.255.0.2 UDP 680 48369 → 5568 Len=638 8 2.422283339 192.168.13.200 → 239.255.0.3 UDP 680 48369 → 5568 Len=638 9 3.229036949 192.168.13.200 → 239.255.0.2 UDP 680 48369 → 5568 Len=638 10 3.229303036 192.168.13.200 → 239.255.0.3 UDP 680 48369 → 5568 Len=638 11 4.033248002 192.168.13.200 → 239.255.0.2 UDP 680 48369 → 5568 Len=638 12 4.033428361 192.168.13.200 → 239.255.0.3 UDP 680 48369 → 5568 Len=638 13 4.840318954 192.168.13.200 → 239.255.0.2 UDP 680 48369 → 5568 Len=638 14 4.840480148 192.168.13.200 → 239.255.0.3 UDP 680 48369 → 5568 Len=638

Do you know where is the problem?

Thanks

Hundemeier commented 4 years ago

Sorry for the late reply. Your sender is sending out the data as multicast (universes 2 and 3). Did you setup the receiving according to the guide? Note the remarks on joining multicast universes.