Hi ? ?, I don't really understand your timing diagram (~-_- style), could you explain them in more detail?
Greetings, Marcus On 17.07.2014 18:32, ? ? wrote: > hi guys, > Im using a USRP-N and a USRP2 to send a Square Signal to another USRP2 for > proving Synchronization by using PPS. > > after execute a get following message: > > > linux; GNU C++ version 4.6.3; Boost_104800; UHD_003.007.000-1-stable > > Using Volk machine: sse4_1_32 > -- Opening a USRP2/N-Series device... > -- Current recv frame size: 1472 bytes > -- Current send frame size: 1472 bytes > -- 1) catch time transition at pps edge > -- 2) set times next pps (synchronously) > -- Opening a USRP2/N-Series device... > -- Current recv frame size: 1472 bytes > -- Current send frame size: 1472 bytes > -- 1) catch time transition at pps edge > -- 2) set times next pps (synchronously) > -- Opening a USRP2/N-Series device... > -- Current recv frame size: 1472 bytes > -- Current send frame size: 1472 bytes > -- 1) catch time transition at pps edge > -- 2) set times next pps (synchronously) > > > It seems to work well,but when i look into the scope sink i found a pretty > randomed delay between 2 Transmitters. > it looks like this: --~~~--___--~~~--___--~~~--___--~~~--___ > after restart it would look like this:-~~~~-____-~~~~-____-~~~~-____-~~~~-____ > > I tried set a delay-block to compensate,but i realize coz of random i cant > find a constant delay. > did I do something wrong or there is a certain way to "tell" the 2 > Transmitters send Signal in the same time? > > > Yao > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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