Well, for devices like TwinRX there are two subdevs per slot.
Sent from my iPhone > On Oct 22, 2019, at 2:51 PM, Richard Bell <[email protected]> wrote: > > > I think I sort of figured it out, though the motherboard, subdevice and > channel terminology is still confusing. > > 1) Each USRP X300 has 1 motherboard > 2) Each motherboard has two subdevice slots, A and B > 3) Each subdevice slot has 1 channel > > If I want to use both subdevices on USRP1 and only one subdevice on USRP2 > then the following settings would make that work: > > Device Arguments := "addr0=192.168.10.2,addr1=192.168.11.2" > Mb0: Subdev Spec := A:0 B:0 > MB1: Subdev Spec := A:0 > Num Channels := 3 > > To use only 1 subdevice on each USRP this would work: > > Device Arguments := "addr0=192.168.10.2,addr1=192.168.11.2" > Mb0: Subdev Spec := A:0 > MB1: Subdev Spec := A:0 > Num Channels := 2 > > To use all 4 subdevices at the same time: > Device Arguments := "addr0=192.168.10.2,addr1=192.168.11.2" > Mb0: Subdev Spec := A:0 B:0 > MB1: Subdev Spec := A:0 B:0 > Num Channels := 4 > > Will there every be a situation where I would do something like A:1 instead > of A:0 in the subdevice specs? > >> On Tue, Oct 22, 2019 at 11:25 AM Marcus D Leech <[email protected]> >> wrote: >> Could you share your flow graph with us? >> >> What daughtercards do you have installed? >> >> Sent from my iPhone >> >> > On Oct 22, 2019, at 2:16 PM, Richard Bell via USRP-users >> > <[email protected]> wrote: >> > >> > >> > Hello, >> > >> > I'm a little confused about how I should distinguish between two different >> > USRPs X300's and the two different motherboards per USRP X300 in this type >> > of setup. I am feeding a 10 MHz ref and PPS ref to both USRPs. What I have >> > right now is a gr flowgraph with a single USRP Sink block that I have >> > configured with the following device address >> > >> > "addr0=192.168.10.2,addr1=192.168.11.2" >> > >> > and I have selected >> > >> > Num Mboards = 2 >> > Num Channels = 2 >> > >> > But this setup only uses the addr0=192.168.10.2 USRP to receive on both >> > RFA and RFB ports. I would like to configure receiving on 192.168.10.2 RFA >> > TX/RX and 192.168.11.2 RFA TX/RX. >> > >> > How do I configure this properly? >> > _______________________________________________ >> > USRP-users mailing list >> > [email protected] >> > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
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