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-rw-r--r--host/lib/usrp/usrp_e100/io_impl.cpp315
1 files changed, 0 insertions, 315 deletions
diff --git a/host/lib/usrp/usrp_e100/io_impl.cpp b/host/lib/usrp/usrp_e100/io_impl.cpp
deleted file mode 100644
index 998a715fe..000000000
--- a/host/lib/usrp/usrp_e100/io_impl.cpp
+++ /dev/null
@@ -1,315 +0,0 @@
-//
-// Copyright 2010-2011 Ettus Research LLC
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
-//
-
-#include "../../transport/super_recv_packet_handler.hpp"
-#include "../../transport/super_send_packet_handler.hpp"
-#include "usrp_e100_impl.hpp"
-#include "usrp_e100_regs.hpp"
-#include <uhd/utils/msg.hpp>
-#include <uhd/utils/log.hpp>
-#include <uhd/usrp/dsp_utils.hpp>
-#include <uhd/usrp/dsp_props.hpp>
-#include <uhd/utils/thread_priority.hpp>
-#include <uhd/transport/bounded_buffer.hpp>
-#include <boost/bind.hpp>
-#include <boost/format.hpp>
-#include <boost/thread/thread.hpp>
-#include <boost/thread/barrier.hpp>
-#include <sstream>
-
-using namespace uhd;
-using namespace uhd::usrp;
-using namespace uhd::transport;
-
-/***********************************************************************
- * Constants
- **********************************************************************/
-static const size_t rx_data_inline_sid = 1;
-static const size_t tx_async_report_sid = 2;
-static const int underflow_flags = async_metadata_t::EVENT_CODE_UNDERFLOW | async_metadata_t::EVENT_CODE_UNDERFLOW_IN_PACKET;
-#define fp_recv_debug false
-
-/***********************************************************************
- * io impl details (internal to this file)
- * - pirate crew of 1
- * - bounded buffer
- * - thread loop
- * - vrt packet handler states
- **********************************************************************/
-struct usrp_e100_impl::io_impl{
- io_impl(zero_copy_if::sptr &xport):
- data_xport(xport),
- recv_pirate_booty(data_xport->get_num_recv_frames()),
- async_msg_fifo(100/*messages deep*/)
- {
- /* NOP */
- }
-
- ~io_impl(void){
- recv_pirate_crew_raiding = false;
- recv_pirate_crew.interrupt_all();
- recv_pirate_crew.join_all();
- }
-
- managed_recv_buffer::sptr get_recv_buff(double timeout){
- boost::this_thread::disable_interruption di; //disable because the wait can throw
- managed_recv_buffer::sptr buff;
- recv_pirate_booty.pop_with_timed_wait(buff, timeout);
- return buff; //ASSUME buff == NULL when pop times-out
- }
-
- //The data transport is listed first so that it is deconstructed last,
- //which is after the states and booty which may hold managed buffers.
- //This comment is invalid because its now a reference and not stored here.
- zero_copy_if::sptr &data_xport;
-
- //state management for the vrt packet handler code
- sph::recv_packet_handler recv_handler;
- sph::send_packet_handler send_handler;
- bool continuous_streaming;
-
- //a pirate's life is the life for me!
- void recv_pirate_loop(boost::barrier &, usrp_e100_clock_ctrl::sptr);
- bounded_buffer<managed_recv_buffer::sptr> recv_pirate_booty;
- bounded_buffer<async_metadata_t> async_msg_fifo;
- boost::thread_group recv_pirate_crew;
- bool recv_pirate_crew_raiding;
-};
-
-/***********************************************************************
- * Receive Pirate Loop
- * - while raiding, loot for recv buffers
- * - put booty into the alignment buffer
- **********************************************************************/
-void usrp_e100_impl::io_impl::recv_pirate_loop(
- boost::barrier &spawn_barrier, usrp_e100_clock_ctrl::sptr clock_ctrl
-){
- recv_pirate_crew_raiding = true;
- spawn_barrier.wait();
- set_thread_priority_safe();
-
- while(recv_pirate_crew_raiding){
- managed_recv_buffer::sptr buff = this->data_xport->get_recv_buff();
- if (not buff.get()) continue; //ignore timeout/error buffers
-
- if (fp_recv_debug){
- std::ostringstream ss;
- ss << "len " << buff->size() << std::endl;
- for (size_t i = 0; i < 9; i++){
- ss << boost::format(" 0x%08x") % buff->cast<const boost::uint32_t *>()[i] << std::endl;
- }
- ss << std::endl << std::endl;
- UHD_LOGV(always) << ss.str();
- }
-
- try{
- //extract the vrt header packet info
- vrt::if_packet_info_t if_packet_info;
- if_packet_info.num_packet_words32 = buff->size()/sizeof(boost::uint32_t);
- const boost::uint32_t *vrt_hdr = buff->cast<const boost::uint32_t *>();
-
- //handle an rx data packet or inline message
- if (uhd::wtohx(vrt_hdr[1]) == rx_data_inline_sid){ //ASSUME has_sid
- if (fp_recv_debug) UHD_LOGV(always) << "this is rx_data_inline_sid\n";
- //same number of frames as the data transport -> always immediate
- recv_pirate_booty.push_with_wait(buff);
- continue;
- }
-
- //unpack the vrt header and process below...
- vrt::if_hdr_unpack_le(vrt_hdr, if_packet_info);
-
- //handle a tx async report message
- if (if_packet_info.sid == tx_async_report_sid and if_packet_info.packet_type != vrt::if_packet_info_t::PACKET_TYPE_DATA){
- if (fp_recv_debug) UHD_LOGV(always) << "this is tx_async_report_sid\n";
-
- //fill in the async metadata
- async_metadata_t metadata;
- metadata.channel = 0;
- metadata.has_time_spec = if_packet_info.has_tsi and if_packet_info.has_tsf;
- metadata.time_spec = time_spec_t(
- time_t(if_packet_info.tsi), size_t(if_packet_info.tsf), clock_ctrl->get_fpga_clock_rate()
- );
- metadata.event_code = async_metadata_t::event_code_t(sph::get_context_code(vrt_hdr, if_packet_info));
-
- //print the famous U, and push the metadata into the message queue
- if (metadata.event_code & underflow_flags) UHD_MSG(fastpath) << "U";
- async_msg_fifo.push_with_pop_on_full(metadata);
- continue;
- }
-
- //TODO replace this below with a UHD_MSG(error)
- if (fp_recv_debug) UHD_LOGV(always) << "this is unknown packet\n";
-
- }catch(const std::exception &e){
- UHD_MSG(error) << "Error (usrp-e recv pirate loop): " << e.what() << std::endl;
- }
- }
-}
-
-/***********************************************************************
- * Helper Functions
- **********************************************************************/
-void usrp_e100_impl::io_init(void){
- //setup otw types
- _send_otw_type.width = 16;
- _send_otw_type.shift = 0;
- _send_otw_type.byteorder = otw_type_t::BO_LITTLE_ENDIAN;
-
- _recv_otw_type.width = 16;
- _recv_otw_type.shift = 0;
- _recv_otw_type.byteorder = otw_type_t::BO_LITTLE_ENDIAN;
-
- //setup before the registers (transport called to calculate max spp)
- _io_impl = UHD_PIMPL_MAKE(io_impl, (_data_xport));
-
- //clear state machines
- _iface->poke32(UE_REG_CTRL_RX_CLEAR, 0);
- _iface->poke32(UE_REG_CTRL_TX_CLEAR, 0);
-
- //setup rx data path
- _iface->poke32(UE_REG_CTRL_RX_NSAMPS_PER_PKT, get_max_recv_samps_per_packet());
- _iface->poke32(UE_REG_CTRL_RX_NCHANNELS, 1);
- _iface->poke32(UE_REG_CTRL_RX_VRT_HEADER, 0
- | (0x1 << 28) //if data with stream id
- | (0x1 << 26) //has trailer
- | (0x3 << 22) //integer time other
- | (0x1 << 20) //fractional time sample count
- );
- _iface->poke32(UE_REG_CTRL_RX_VRT_STREAM_ID, rx_data_inline_sid);
- _iface->poke32(UE_REG_CTRL_RX_VRT_TRAILER, 0);
-
- //setup the tx policy
- _iface->poke32(UE_REG_CTRL_TX_REPORT_SID, tx_async_report_sid);
- _iface->poke32(UE_REG_CTRL_TX_POLICY, UE_FLAG_CTRL_TX_POLICY_NEXT_PACKET);
-
- //spawn a pirate, yarrr!
- boost::barrier spawn_barrier(2);
- _io_impl->recv_pirate_crew.create_thread(boost::bind(
- &usrp_e100_impl::io_impl::recv_pirate_loop, _io_impl.get(),
- boost::ref(spawn_barrier), _clock_ctrl
- ));
- spawn_barrier.wait();
- //update mapping here since it didnt b4 when io init not called first
- update_xport_channel_mapping();
-}
-
-void usrp_e100_impl::update_xport_channel_mapping(void){
- if (_io_impl.get() == NULL) return; //not inited yet
-
- //set all of the relevant properties on the handler
- boost::mutex::scoped_lock recv_lock = _io_impl->recv_handler.get_scoped_lock();
- _io_impl->recv_handler.resize(_rx_subdev_spec.size());
- _io_impl->recv_handler.set_vrt_unpacker(&vrt::if_hdr_unpack_le);
- _io_impl->recv_handler.set_tick_rate(_clock_ctrl->get_fpga_clock_rate());
- _io_impl->recv_handler.set_samp_rate(_rx_ddc_proxy->get_link()[DSP_PROP_HOST_RATE].as<double>());
- for (size_t chan = 0; chan < _io_impl->recv_handler.size(); chan++){
- _io_impl->recv_handler.set_xport_chan_get_buff(chan, boost::bind(
- &usrp_e100_impl::io_impl::get_recv_buff, _io_impl.get(), _1
- ));
- _io_impl->recv_handler.set_overflow_handler(chan, boost::bind(
- &usrp_e100_impl::handle_overrun, this, chan
- ));
- }
- _io_impl->recv_handler.set_converter(_recv_otw_type);
-
- //set all of the relevant properties on the handler
- boost::mutex::scoped_lock send_lock = _io_impl->send_handler.get_scoped_lock();
- _io_impl->send_handler.resize(_tx_subdev_spec.size());
- _io_impl->send_handler.set_vrt_packer(&vrt::if_hdr_pack_le);
- _io_impl->send_handler.set_tick_rate(_clock_ctrl->get_fpga_clock_rate());
- _io_impl->send_handler.set_samp_rate(_tx_duc_proxy->get_link()[DSP_PROP_HOST_RATE].as<double>());
- for (size_t chan = 0; chan < _io_impl->send_handler.size(); chan++){
- _io_impl->send_handler.set_xport_chan_get_buff(chan, boost::bind(
- &uhd::transport::zero_copy_if::get_send_buff, _io_impl->data_xport, _1
- ));
- }
- _io_impl->send_handler.set_converter(_send_otw_type);
- _io_impl->send_handler.set_max_samples_per_packet(get_max_send_samps_per_packet());
-}
-
-void usrp_e100_impl::issue_stream_cmd(const stream_cmd_t &stream_cmd){
- _io_impl->continuous_streaming = (stream_cmd.stream_mode == stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
- _iface->poke32(UE_REG_CTRL_RX_STREAM_CMD, dsp_type1::calc_stream_cmd_word(stream_cmd));
- _iface->poke32(UE_REG_CTRL_RX_TIME_SECS, boost::uint32_t(stream_cmd.time_spec.get_full_secs()));
- _iface->poke32(UE_REG_CTRL_RX_TIME_TICKS, stream_cmd.time_spec.get_tick_count(_clock_ctrl->get_fpga_clock_rate()));
-}
-
-void usrp_e100_impl::handle_overrun(size_t /*chan*/){
- if (_io_impl->continuous_streaming){
- this->issue_stream_cmd(stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
- }
-}
-
-/***********************************************************************
- * Data Send
- **********************************************************************/
-size_t usrp_e100_impl::get_max_send_samps_per_packet(void) const{
- static const size_t hdr_size = 0
- + vrt::max_if_hdr_words32*sizeof(boost::uint32_t)
- - sizeof(vrt::if_packet_info_t().cid) //no class id ever used
- ;
- size_t bpp = _send_frame_size - hdr_size;
- return bpp/_send_otw_type.get_sample_size();
-}
-
-size_t usrp_e100_impl::send(
- const send_buffs_type &buffs, size_t nsamps_per_buff,
- const tx_metadata_t &metadata, const io_type_t &io_type,
- send_mode_t send_mode, double timeout
-){
- return _io_impl->send_handler.send(
- buffs, nsamps_per_buff,
- metadata, io_type,
- send_mode, timeout
- );
-}
-
-/***********************************************************************
- * Data Recv
- **********************************************************************/
-size_t usrp_e100_impl::get_max_recv_samps_per_packet(void) const{
- 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().cid) //no class id ever used
- ;
- size_t bpp = _recv_frame_size - hdr_size;
- return bpp/_recv_otw_type.get_sample_size();
-}
-
-size_t usrp_e100_impl::recv(
- const recv_buffs_type &buffs, size_t nsamps_per_buff,
- rx_metadata_t &metadata, const io_type_t &io_type,
- recv_mode_t recv_mode, double timeout
-){
- return _io_impl->recv_handler.recv(
- buffs, nsamps_per_buff,
- metadata, io_type,
- recv_mode, timeout
- );
-}
-
-/***********************************************************************
- * Async Recv
- **********************************************************************/
-bool usrp_e100_impl::recv_async_msg(
- async_metadata_t &async_metadata, double timeout
-){
- boost::this_thread::disable_interruption di; //disable because the wait can throw
- return _io_impl->async_msg_fifo.pop_with_timed_wait(async_metadata, timeout);
-}