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authorJosh Blum <josh@joshknows.com>2012-01-16 23:04:53 -0800
committerJosh Blum <josh@joshknows.com>2012-01-26 13:03:09 -0800
commit9f2aa9235f01b531966a8903583a2044fec1455d (patch)
treeea0b0d2bbd35c412766c33d7fe83f1381726856a /host/lib/usrp
parentcbeb4305b59d4b9370bfa7c6f5da7597f9de8045 (diff)
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uhd: add samples per pkt option to rx streamer
Diffstat (limited to 'host/lib/usrp')
-rw-r--r--host/lib/usrp/b100/io_impl.cpp3
-rw-r--r--host/lib/usrp/e100/io_impl.cpp3
-rw-r--r--host/lib/usrp/usrp2/io_impl.cpp3
3 files changed, 6 insertions, 3 deletions
diff --git a/host/lib/usrp/b100/io_impl.cpp b/host/lib/usrp/b100/io_impl.cpp
index 692ede6d5..494d5d123 100644
--- a/host/lib/usrp/b100/io_impl.cpp
+++ b/host/lib/usrp/b100/io_impl.cpp
@@ -211,7 +211,8 @@ rx_streamer::sptr b100_impl::get_rx_stream(const uhd::stream_args_t &args_){
- sizeof(vrt::if_packet_info_t().cid) //no class id ever used
;
const size_t bpp = 2048 - hdr_size; //limited by FPGA pkt buffer size
- const size_t spp = bpp/convert::get_bytes_per_item(args.otw_format);
+ const size_t bpi = convert::get_bytes_per_item(args.otw_format);
+ const size_t spp = unsigned(args.args.cast<double>("spp", bpp/bpi));
//make the new streamer given the samples per packet
boost::shared_ptr<sph::recv_packet_streamer> my_streamer = boost::make_shared<sph::recv_packet_streamer>(spp);
diff --git a/host/lib/usrp/e100/io_impl.cpp b/host/lib/usrp/e100/io_impl.cpp
index 92905526c..441e32a8d 100644
--- a/host/lib/usrp/e100/io_impl.cpp
+++ b/host/lib/usrp/e100/io_impl.cpp
@@ -287,7 +287,8 @@ rx_streamer::sptr e100_impl::get_rx_stream(const uhd::stream_args_t &args_){
- sizeof(vrt::if_packet_info_t().cid) //no class id ever used
;
const size_t bpp = _data_transport->get_recv_frame_size() - hdr_size;
- const size_t spp = bpp/convert::get_bytes_per_item(args.otw_format);
+ const size_t bpi = convert::get_bytes_per_item(args.otw_format);
+ const size_t spp = unsigned(args.args.cast<double>("spp", bpp/bpi));
//make the new streamer given the samples per packet
boost::shared_ptr<sph::recv_packet_streamer> my_streamer = boost::make_shared<sph::recv_packet_streamer>(spp);
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index fd81071fb..e3fa46920 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -389,7 +389,8 @@ rx_streamer::sptr usrp2_impl::get_rx_stream(const uhd::stream_args_t &args_){
- sizeof(vrt::if_packet_info_t().cid) //no class id ever used
;
const size_t bpp = _mbc[_mbc.keys().front()].rx_dsp_xports[0]->get_recv_frame_size() - hdr_size;
- const size_t spp = bpp/convert::get_bytes_per_item(args.otw_format);
+ const size_t bpi = convert::get_bytes_per_item(args.otw_format);
+ const size_t spp = unsigned(args.args.cast<double>("spp", bpp/bpi));
//make the new streamer given the samples per packet
boost::shared_ptr<sph::recv_packet_streamer> my_streamer = boost::make_shared<sph::recv_packet_streamer>(spp);