On 22/11/2022 16:24, Moses Browne Mwakyanjala wrote:
You would likely have to tear down the streamer and start a new one.Hi everyone,I wrote a simple program for a usrp b210. I would like to change the RX antenna on the fly. That is, antenna 0 should be RX2 on Subdevice A:A and antenna 1 RX2 on Subdevice A:B as shown in the piece of code below. The problem I face is that I can't change the subdevice on the fly. The usrp->set_rx_subdev_spec(sRxSubDev) call doesn't seem to have any effect if it is called more than once. How should I proceed?
std::string sRxSubDev; switch(m_Settings.m_nTMAntenna) { case 0:// Using antenna 1 sRxSubDev = std::string("A:A"); break; case 1:// Using antenna 2 sRxSubDev = std::string("A:B"); break; } usrp->set_rx_subdev_spec(sRxSubDev); usrp->set_rx_antenna("RX2");Thanks in advance,Moses.
Alternately, you could just stream both channels at the same time, and simply drop the samples from the part of the stream
you don't care about.
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