diff options
Diffstat (limited to 'usrp/limbo/apps-inband/test_usrp_inband_overrun.cc')
| -rw-r--r-- | usrp/limbo/apps-inband/test_usrp_inband_overrun.cc | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/usrp/limbo/apps-inband/test_usrp_inband_overrun.cc b/usrp/limbo/apps-inband/test_usrp_inband_overrun.cc new file mode 100644 index 000000000..cd0fa525a --- /dev/null +++ b/usrp/limbo/apps-inband/test_usrp_inband_overrun.cc @@ -0,0 +1,375 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007,2008 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 <mblock/mblock.h> +#include <mblock/runtime.h> +#include <mblock/protocol_class.h> +#include <mblock/exception.h> +#include <mblock/msg_queue.h> +#include <mblock/message.h> +#include <mblock/msg_accepter.h> +#include <mblock/class_registry.h> +#include <pmt.h> +#include <stdio.h> +#include <string.h> +#include <iostream> +#include <fstream> + +// Include the symbols needed for communication with USRP server +#include <symbols_usrp_server_cs.h> +#include <symbols_usrp_channel.h> +#include <symbols_usrp_low_level_cs.h> +#include <symbols_usrp_rx.h> + +static bool verbose = true; + +class test_usrp_rx : public mb_mblock +{ + mb_port_sptr d_rx; + mb_port_sptr d_cs; + pmt_t d_rx_chan; // returned tx channel handle + + enum state_t { + INIT, + OPENING_USRP, + ALLOCATING_CHANNEL, + RECEIVING, + CLOSING_CHANNEL, + CLOSING_USRP, + }; + + state_t d_state; + + std::ofstream d_ofile; + + long d_n_overruns; + + long d_samples_recvd; + long d_samples_to_recv; + + public: + test_usrp_rx(mb_runtime *runtime, const std::string &instance_name, pmt_t user_arg); + ~test_usrp_rx(); + void initial_transition(); + void handle_message(mb_message_sptr msg); + + protected: + void open_usrp(); + void close_usrp(); + void allocate_channel(); + void send_packets(); + void enter_receiving(); + void build_and_send_next_frame(); + void handle_response_recv_raw_samples(pmt_t invocation_handle); + void enter_closing_channel(); +}; + +test_usrp_rx::test_usrp_rx(mb_runtime *runtime, const std::string &instance_name, pmt_t user_arg) + : mb_mblock(runtime, instance_name, user_arg), + d_n_overruns(0), + d_samples_recvd(0), + d_samples_to_recv(10e6) +{ + + d_rx = define_port("rx0", "usrp-rx", false, mb_port::INTERNAL); + d_cs = define_port("cs", "usrp-server-cs", false, mb_port::INTERNAL); + + // Pass a dictionary to usrp_server which specifies which interface to use, the stub or USRP + pmt_t usrp_dict = pmt_make_dict(); + + // Specify the RBF to use + pmt_dict_set(usrp_dict, + pmt_intern("rbf"), + pmt_intern("inband_1rxhb_1tx.rbf")); + + pmt_dict_set(usrp_dict, + pmt_intern("decim-rx"), + pmt_from_long(128)); + + define_component("server", "usrp_server", usrp_dict); + + connect("self", "rx0", "server", "rx0"); + connect("self", "cs", "server", "cs"); + +} + +test_usrp_rx::~test_usrp_rx() +{ +} + +void +test_usrp_rx::initial_transition() +{ + open_usrp(); +} + +void +test_usrp_rx::handle_message(mb_message_sptr msg) +{ + pmt_t event = msg->signal(); + pmt_t data = msg->data(); + + pmt_t handle = PMT_F; + pmt_t status = PMT_F; + std::string error_msg; + + switch(d_state){ + + //----------------------------- OPENING_USRP ----------------------------// + // We only expect a response from opening the USRP which should be succesful + // or failed. + case OPENING_USRP: + if (pmt_eq(event, s_response_open)){ + status = pmt_nth(1, data); + if (pmt_eq(status, PMT_T)){ + allocate_channel(); + return; + } + else { + error_msg = "failed to open usrp:"; + goto bail; + } + } + goto unhandled; + + //----------------------- ALLOCATING CHANNELS --------------------// + // Allocate an RX channel to perform the overrun test. + case ALLOCATING_CHANNEL: + if (pmt_eq(event, s_response_allocate_channel)){ + status = pmt_nth(1, data); + d_rx_chan = pmt_nth(2, data); + + if (pmt_eq(status, PMT_T)){ + enter_receiving(); + return; + } + else { + error_msg = "failed to allocate channel:"; + goto bail; + } + } + goto unhandled; + + //--------------------------- RECEIVING ------------------------------// + // In the receiving state, we receive samples until the specified amount + // while counting the number of overruns. + case RECEIVING: + if (pmt_eq(event, s_response_recv_raw_samples)){ + status = pmt_nth(1, data); + + if (pmt_eq(status, PMT_T)){ + handle_response_recv_raw_samples(data); + return; + } + else { + error_msg = "bad response-xmit-raw-frame:"; + goto bail; + } + } + goto unhandled; + + //------------------------- CLOSING CHANNEL ----------------------------// + // Check deallocation response for the RX channel + case CLOSING_CHANNEL: + if (pmt_eq(event, s_response_deallocate_channel)){ + status = pmt_nth(1, data); + + if (pmt_eq(status, PMT_T)){ + close_usrp(); + return; + } + else { + error_msg = "failed to deallocate channel:"; + goto bail; + } + } + + // Alternately, we ignore all response recv samples while waiting for the + // channel to actually close + if (pmt_eq(event, s_response_recv_raw_samples)) + return; + + goto unhandled; + + //--------------------------- CLOSING USRP ------------------------------// + // Once we have received a successful USRP close response, we shutdown all + // mblocks and exit. + case CLOSING_USRP: + if (pmt_eq(event, s_response_close)){ + status = pmt_nth(1, data); + + if (pmt_eq(status, PMT_T)){ + std::cout << "\nOverruns: " << d_n_overruns << std::endl; + fflush(stdout); + shutdown_all(PMT_T); + return; + } + else { + error_msg = "failed to close USRP:"; + goto bail; + } + } + goto unhandled; + + default: + goto unhandled; + } + return; + + // An error occured, print it, and shutdown all m-blocks + bail: + std::cerr << error_msg << data + << "status = " << status << std::endl; + shutdown_all(PMT_F); + return; + + // Received an unhandled message for a specific state + unhandled: + if(verbose && !pmt_eq(event, pmt_intern("%shutdown"))) + std::cout << "test_usrp_inband_tx: unhandled msg: " << msg + << "in state "<< d_state << std::endl; +} + + +void +test_usrp_rx::open_usrp() +{ + pmt_t which_usrp = pmt_from_long(0); + + d_cs->send(s_cmd_open, pmt_list2(PMT_NIL, which_usrp)); + d_state = OPENING_USRP; + + if(verbose) + std::cout << "[TEST_USRP_INBAND_OVERRUN] Opening the USRP\n"; +} + +void +test_usrp_rx::close_usrp() +{ + d_cs->send(s_cmd_close, pmt_list1(PMT_NIL)); + d_state = CLOSING_USRP; + + if(verbose) + std::cout << "[TEST_USRP_INBAND_OVERRUN] Closing the USRP\n"; +} + +void +test_usrp_rx::allocate_channel() +{ + long capacity = (long) 16e6; + d_rx->send(s_cmd_allocate_channel, pmt_list2(PMT_T, pmt_from_long(capacity))); + d_state = ALLOCATING_CHANNEL; + + if(verbose) + std::cout << "[TEST_USRP_INBAND_OVERRUN] Requesting RX channel allocation\n"; +} + +void +test_usrp_rx::enter_receiving() +{ + d_state = RECEIVING; + + d_rx->send(s_cmd_start_recv_raw_samples, + pmt_list2(PMT_F, + d_rx_chan)); + + if(verbose) + std::cout << "[TEST_USRP_INBAND_OVERRUN] Receiving...\n"; +} + +void +test_usrp_rx::handle_response_recv_raw_samples(pmt_t data) +{ + pmt_t invocation_handle = pmt_nth(0, data); + pmt_t status = pmt_nth(1, data); + pmt_t v_samples = pmt_nth(2, data); + pmt_t timestamp = pmt_nth(3, data); + pmt_t channel = pmt_nth(4, data); + pmt_t properties = pmt_nth(5, data); + + d_samples_recvd += pmt_length(v_samples) / 4; + + // Check for overrun + if(!pmt_is_dict(properties)) { + std::cout << "[TEST_USRP_INBAND_OVERRUN] Recv samples dictionary is improper\n"; + return; + } + + if(pmt_t overrun = pmt_dict_ref(properties, + pmt_intern("overrun"), + PMT_NIL)) { + if(pmt_eqv(overrun, PMT_T)) { + d_n_overruns++; + + if(verbose && 0) + std::cout << "[TEST_USRP_INBAND_OVERRUN] Underrun\n"; + } + else { + if(verbose && 0) + std::cout << "[TEST_USRP_INBAND_OVERRUN] No overrun\n" << overrun <<std::endl; + } + } else { + + if(verbose && 0) + std::cout << "[TEST_USRP_INBAND_OVERRUN] No overrun\n"; + } + + // Check if the number samples we have received meets the test + if(d_samples_recvd >= d_samples_to_recv) { + d_rx->send(s_cmd_stop_recv_raw_samples, pmt_list2(PMT_NIL, d_rx_chan)); + enter_closing_channel(); + return; + } + +} + +void +test_usrp_rx::enter_closing_channel() +{ + d_state = CLOSING_CHANNEL; + + sleep(2); + + d_rx->send(s_cmd_deallocate_channel, pmt_list2(PMT_NIL, d_rx_chan)); + + if(verbose) + std::cout << "[TEST_USRP_INBAND_OVERRUN] Deallocating RX channel\n"; +} + +REGISTER_MBLOCK_CLASS(test_usrp_rx); + + +// ---------------------------------------------------------------- + +int +main (int argc, char **argv) +{ + // handle any command line args here + + mb_runtime_sptr rt = mb_make_runtime(); + pmt_t result = PMT_NIL; + + rt->run("top", "test_usrp_rx", PMT_F, &result); +} |