From 597e7965a7bd9a0fc76a5acbaf260b05e42c474c Mon Sep 17 00:00:00 2001 From: Michael West Date: Fri, 8 Nov 2013 15:30:03 -0800 Subject: BUG #183: B200 High CPU Usage: Created a single thread to handle libusb events and expanded packet size to 16k --- host/lib/usrp/b200/b200_io_impl.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'host/lib/usrp/b200') diff --git a/host/lib/usrp/b200/b200_io_impl.cpp b/host/lib/usrp/b200/b200_io_impl.cpp index d643ef855..f2d463a79 100644 --- a/host/lib/usrp/b200/b200_io_impl.cpp +++ b/host/lib/usrp/b200/b200_io_impl.cpp @@ -231,14 +231,14 @@ rx_streamer::sptr b200_impl::get_rx_stream(const uhd::stream_args_t &args_) //calculate packet size static const size_t hdr_size = 0 + vrt::max_if_hdr_words32*sizeof(boost::uint32_t) - + sizeof(vrt::if_packet_info_t().tlr) //forced to have trailer + //+ sizeof(vrt::if_packet_info_t().tlr) //forced to have trailer - sizeof(vrt::if_packet_info_t().cid) //no class id ever used - sizeof(vrt::if_packet_info_t().tsi) //no int time ever used ; const size_t bpp = _data_transport->get_recv_frame_size() - hdr_size; const size_t bpi = convert::get_bytes_per_item(args.otw_format); size_t spp = unsigned(args.args.cast("spp", bpp/bpi)); - spp = std::min(2000, spp); //magic maximum for framing at full rate + spp = std::min(4092, spp); //magic maximum for framing at full rate //make the new streamer given the samples per packet if (not my_streamer) my_streamer = boost::make_shared(spp); -- cgit v1.2.3