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-rw-r--r--host/lib/usrp/usrp2/io_impl.cpp48
1 files changed, 8 insertions, 40 deletions
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index 389460fe8..b26dbb8bd 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -67,49 +67,17 @@ void usrp2_impl::io_init(void){
**********************************************************************/
size_t usrp2_impl::send(
const asio::const_buffer &buff,
- const tx_metadata_t &metadata_,
+ const tx_metadata_t &metadata,
const io_type_t &io_type
){
- tx_metadata_t metadata = metadata_; //rw copy to change later
-
- transport::managed_send_buffer::sptr send_buff = _data_transport->get_send_buff();
- boost::uint32_t *tx_mem = send_buff->cast<boost::uint32_t *>();
- size_t num_samps = std::min(std::min(
- asio::buffer_size(buff)/io_type.size,
- size_t(max_tx_samps_per_packet())),
- send_buff->size()/io_type.size
- );
-
- //kill the end of burst flag if this is a fragment
- if (asio::buffer_size(buff)/io_type.size < num_samps)
- metadata.end_of_burst = false;
-
- size_t num_header_words32, num_packet_words32;
- size_t packet_count = _tx_stream_id_to_packet_seq[metadata.stream_id]++;
-
- //pack metadata into a vrt header
- vrt::pack(
- metadata, //input
- tx_mem, //output
- num_header_words32, //output
- num_samps, //input
- num_packet_words32, //output
- packet_count, //input
- get_master_clock_freq()
- );
-
- boost::uint32_t *items = tx_mem + num_header_words32; //offset for data
-
- //copy-convert the samples into the send buffer
- convert_io_type_to_otw_type(
- asio::buffer_cast<const void*>(buff), io_type,
- (void*)items, _tx_otw_type,
- num_samps
+ return vrt_packet_handler::send(
+ _packet_handler_send_state, //last state of the send handler
+ buff, metadata, //buffer to empty and samples metadata
+ io_type, _tx_otw_type, //input and output types to convert
+ get_master_clock_freq(), //master clock tick rate
+ _data_transport, //zero copy interface
+ max_tx_samps_per_packet()
);
-
- //send and return number of samples
- send_buff->done(num_packet_words32*sizeof(boost::uint32_t));
- return num_samps;
}
/***********************************************************************