diff options
Diffstat (limited to 'host/lib/usrp')
| -rw-r--r-- | host/lib/usrp/usrp2/io_impl.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp index 8314cf9ae..00061ae47 100644 --- a/host/lib/usrp/usrp2/io_impl.cpp +++ b/host/lib/usrp/usrp2/io_impl.cpp @@ -241,6 +241,8 @@ void usrp2_impl::io_impl::recv_pirate_loop( /*********************************************************************** * Helper Functions **********************************************************************/ +#include <uhd/usrp/mboard_props.hpp> //TODO remove when hack below is fixed + void usrp2_impl::io_init(void){ //the assumption is that all data transports should be identical @@ -250,6 +252,30 @@ void usrp2_impl::io_init(void){ //create new io impl _io_impl = UHD_PIMPL_MAKE(io_impl, (num_recv_frames, send_frame_size, _data_transports.size())); + //TODO temporary fix for weird power up state, remove when FPGA fixed + { + //send an initial packet to all transports + tx_metadata_t md; md.end_of_burst = true; + this->send( + std::vector<const void *>(_data_transports.size(), NULL), 0, md, + io_type_t::COMPLEX_FLOAT32, device::SEND_MODE_ONE_PACKET, 0 + ); + + //issue a stream command to each motherboard + BOOST_FOREACH(usrp2_mboard_impl::sptr mboard, _mboards){ + (*mboard)[MBOARD_PROP_STREAM_CMD] = stream_cmd_t(stream_cmd_t::STREAM_MODE_START_CONTINUOUS); + (*mboard)[MBOARD_PROP_STREAM_CMD] = stream_cmd_t(stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS); + } + + //wait + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + //flush all transport receive queues (no timeout) + BOOST_FOREACH(zero_copy_if::sptr xport, _data_transports){ + while(xport->get_recv_buff(0).get() != NULL){}; + } + } + //create a new pirate thread for each zc if (yarr!!) for (size_t i = 0; i < _data_transports.size(); i++){ _io_impl->recv_pirate_crew.create_thread(boost::bind( |