diff options
Diffstat (limited to 'usrp/host/lib/inband/usrp_rx.cc')
| -rw-r--r-- | usrp/host/lib/inband/usrp_rx.cc | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/usrp/host/lib/inband/usrp_rx.cc b/usrp/host/lib/inband/usrp_rx.cc deleted file mode 100644 index fe9486cf6..000000000 --- a/usrp/host/lib/inband/usrp_rx.cc +++ /dev/null @@ -1,184 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2007 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio 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, or (at your option) - * any later version. - * - * GNU Radio 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, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <usrp_rx.h> - -#include <usrp_standard.h> -#include <iostream> -#include <vector> -#include <usb.h> -#include <mblock/class_registry.h> -#include <usrp_inband_usb_packet.h> -#include <fpga_regs_common.h> -#include <stdio.h> - -#include <symbols_usrp_rx_cs.h> - -typedef usrp_inband_usb_packet transport_pkt; - -static const bool verbose = false; - -bool usrp_rx_stop; - -usrp_rx::usrp_rx(mb_runtime *rt, const std::string &instance_name, pmt_t user_arg) - : mb_mblock(rt, instance_name, user_arg), - d_disk_write(false), - d_disk_write_pkt(false) // if true, writes full packet, else just the payload -{ - d_cs = define_port("cs", "usrp-rx-cs", true, mb_port::EXTERNAL); - - if(d_disk_write) { - d_ofile0.open("rx_data_chan0.dat",std::ios::binary|std::ios::out); - d_ofile1.open("rx_data_chan1.dat",std::ios::binary|std::ios::out); - d_cs_ofile.open("rx_cs.dat",std::ios::binary|std::ios::out); - } - - usrp_rx_stop = false; - -} - -usrp_rx::~usrp_rx() -{ - if(d_disk_write) { - d_ofile0.close(); - d_ofile1.close(); - d_cs_ofile.close(); - } -} - -void -usrp_rx::initial_transition() -{ - -} - -/*! - * \brief Handles incoming signals to to the m-block, wihch should only ever be - * a single message: cmd-usrrp-rx-start-reading. There is no signal to stop - * reading as the m-block goes in to a forever loop to read inband packets from - * the bus. - */ -void -usrp_rx::handle_message(mb_message_sptr msg) -{ - pmt_t event = msg->signal(); - pmt_t port_id = msg->port_id(); - pmt_t data = msg->data(); - - // Theoretically only have 1 message to ever expect, but - // want to make sure its at least what we want - if(pmt_eq(port_id, d_cs->port_symbol())) { - - if(pmt_eqv(event, s_cmd_usrp_rx_start_reading)) - read_and_respond(data); - } -} - -/*! - * \brief Performs the actual reading of data from the USB bus, called by - * handle_message() when a cmd-usrp-rx-start-reading signal is received. - * - * The method enters a forever loop where it continues to read data from the bus - * and generate read responses to the higher layer. Currently, shared memory is - * used to exit this loop. - * - * The \p data parameter is a PMT list which contains only a single element, an - * invocation handle which will be returned with all read respones. - */ -void -usrp_rx::read_and_respond(pmt_t data) -{ - size_t ignore; - bool underrun; - unsigned int n_read; - unsigned int pkt_size = sizeof(transport_pkt); - - pmt_t invocation_handle = pmt_nth(0, data); - - // Need the handle to the RX port to send responses, this is passed - // by the USRP interface m-block - pmt_t handle = pmt_nth(1, data); - d_urx = - boost::any_cast<usrp_standard_rx_sptr>(pmt_any_ref(handle)); - - if(verbose) - std::cout << "[usrp_rx] Waiting for packets..\n"; - - // Read by 512 which is packet size and send them back up - while(!usrp_rx_stop) { - - pmt_t v_pkt = pmt_make_u8vector(pkt_size, 0); - transport_pkt *pkt = - (transport_pkt *) pmt_u8vector_writable_elements(v_pkt, ignore); - - n_read = d_urx->read(pkt, pkt_size, &underrun); - - if(n_read != pkt_size) { - std::cerr << "[usrp_rx] Error reading packet, shutting down\n"; - d_cs->send(s_response_usrp_rx_read, - pmt_list3(PMT_NIL, PMT_F, PMT_NIL)); - return; - } - - if(underrun && verbose && 0) - std::cout << "[usrp_rx] Underrun\n"; - - d_cs->send(s_response_usrp_rx_read, - pmt_list3(PMT_NIL, PMT_T, v_pkt)); - if(verbose && 0) - std::cout << "[usrp_rx] Read 1 packet\n"; - - if(d_disk_write) { - if(pkt->chan() == CONTROL_CHAN) - d_cs_ofile.write((const char *)pkt, transport_pkt::max_pkt_size()); - else { - if(d_disk_write_pkt) { - if(pkt->chan() == 0) - d_ofile0.write((const char *)pkt, transport_pkt::max_pkt_size()); - else if(pkt->chan() == 1) - d_ofile1.write((const char *)pkt, transport_pkt::max_pkt_size()); - } else { - if(pkt->chan() == 0) - d_ofile0.write((const char *)pkt->payload(), transport_pkt::max_payload()); - else if(pkt->chan() == 1) - d_ofile1.write((const char *)pkt->payload(), transport_pkt::max_payload()); - } - } - - d_cs_ofile.flush(); - d_ofile0.flush(); - d_ofile1.flush(); - } - } - - usrp_rx_stop = false; - - if(verbose) { - std::cout << "[USRP_RX] Stopping...\n"; - fflush(stdout); - } -} - -REGISTER_MBLOCK_CLASS(usrp_rx); |