diff options
Diffstat (limited to 'usrp/limbo/apps-inband/test_usrp_inband_ping.cc')
-rw-r--r-- | usrp/limbo/apps-inband/test_usrp_inband_ping.cc | 374 |
1 files changed, 0 insertions, 374 deletions
diff --git a/usrp/limbo/apps-inband/test_usrp_inband_ping.cc b/usrp/limbo/apps-inband/test_usrp_inband_ping.cc deleted file mode 100644 index d779c9a64..000000000 --- a/usrp/limbo/apps-inband/test_usrp_inband_ping.cc +++ /dev/null @@ -1,374 +0,0 @@ -/* -*- 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 <sys/time.h> -#include <iostream> - -// 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_tx.h> -#include <symbols_usrp_rx.h> - -static bool verbose = false; - -class test_usrp_inband_ping : public mb_mblock -{ - - mb_port_sptr d_tx; // Ports connected to the USRP server - mb_port_sptr d_rx; - mb_port_sptr d_cs; - - pmt_t d_tx_chan; // Returned channel from TX allocation - pmt_t d_rx_chan; // Returned channel from RX allocation - - pmt_t d_which_usrp; // The USRP to use for the test - - long d_warm_msgs; // The number of messages to 'warm' the USRP - long d_warm_recvd; // The number of msgs received in the 'warm' state - - // Keep track of current state - enum state_t { - INIT, - OPENING_USRP, - ALLOCATING_CHANNELS, - WARMING_USRP, - PINGING, - CLOSING_CHANNELS, - CLOSING_USRP, - }; - state_t d_state; - - public: - test_usrp_inband_ping(mb_runtime *runtime, const std::string &instance_name, pmt_t user_arg); - ~test_usrp_inband_ping(); - void initial_transition(); - void handle_message(mb_message_sptr msg); - - protected: - void opening_usrp(); - void allocating_channels(); - void enter_warming_usrp(); - void enter_pinging(); - void build_and_send_ping(); - void closing_channels(); - void closing_usrp(); -}; - - -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_inband_ping", PMT_F, &result); -} - - -test_usrp_inband_ping::test_usrp_inband_ping(mb_runtime *runtime, const std::string &instance_name, pmt_t user_arg) - : mb_mblock(runtime, instance_name, user_arg), - d_tx_chan(PMT_NIL), - d_rx_chan(PMT_NIL), - d_which_usrp(pmt_from_long(0)), - d_state(INIT) -{ - - // A dictionary is used to pass parameters to the USRP - pmt_t usrp_dict = pmt_make_dict(); - - // Specify the RBF to use - pmt_dict_set(usrp_dict, - pmt_intern("rbf"), - pmt_intern("fixed1.rbf")); - - // Set TX and RX interpolations - pmt_dict_set(usrp_dict, - pmt_intern("interp-tx"), - pmt_from_long(128)); - - pmt_dict_set(usrp_dict, - pmt_intern("decim-rx"), - pmt_from_long(16)); - - d_tx = define_port("tx0", "usrp-tx", false, mb_port::INTERNAL); - d_rx = define_port("rx0", "usrp-rx", false, mb_port::INTERNAL); - d_cs = define_port("cs", "usrp-server-cs", false, mb_port::INTERNAL); - - // Create an instance of USRP server and connect ports - define_component("server", "usrp_server", usrp_dict); - connect("self", "tx0", "server", "tx0"); - connect("self", "rx0", "server", "rx0"); - connect("self", "cs", "server", "cs"); - -} - -test_usrp_inband_ping::~test_usrp_inband_ping() -{ -} - -void -test_usrp_inband_ping::initial_transition() -{ - opening_usrp(); -} - -// Handle message reads all incoming messages from USRP server which will be -// initialization and ping responses. We perform actions based on the current -// state and the event (ie, ping response) -void -test_usrp_inband_ping::handle_message(mb_message_sptr msg) -{ - pmt_t event = msg->signal(); - pmt_t data = msg->data(); - pmt_t port_id = msg->port_id(); - - pmt_t handle = PMT_F; - pmt_t status = PMT_F; - std::string error_msg; - - // Dispatch based on state - 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); // failed/succes - - if(pmt_eq(status, PMT_T)) { - allocating_channels(); - return; - } - else { - error_msg = "failed to open usrp:"; - goto bail; - } - - } - - goto unhandled; // all other messages not handled in this state - - - //----------------------- ALLOCATING CHANNELS --------------------// - // When allocating channels, we need to wait for 2 responses from - // USRP server: one for TX and one for RX. Both are initialized to - // NIL so we know to continue to the next state once both are set. - case ALLOCATING_CHANNELS: - - // A TX allocation response - if(pmt_eq(event, s_response_allocate_channel) - && pmt_eq(d_tx->port_symbol(), port_id)) - { - status = pmt_nth(1, data); - - // If successful response, extract the channel - if(pmt_eq(status, PMT_T)) { - - d_tx_chan = pmt_nth(2, data); - - if(verbose) - std::cout << "[TEST_USRP_INBAND_PING] Received TX allocation" - << " on channel " << d_tx_chan << std::endl; - - // If the RX has also been allocated already, we can continue - if(!pmt_eqv(d_rx_chan, PMT_NIL)) - enter_warming_usrp(); - - return; - } - else { // TX allocation failed - error_msg = "failed to allocate TX channel:"; - goto bail; - } - } - - // A RX allocation response - if(pmt_eq(event, s_response_allocate_channel) - && pmt_eq(d_rx->port_symbol(), port_id)) - { - status = pmt_nth(1, data); - - // If successful response, extract the channel - if(pmt_eq(status, PMT_T)) { - - d_rx_chan = pmt_nth(2, data); - - if(verbose) - std::cout << "[TEST_USRP_INBAND_PING] Received RX allocation" - << " on channel " << d_rx_chan << std::endl; - - // If the TX has also been allocated already, we can continue - if(!pmt_eqv(d_tx_chan, PMT_NIL)) - enter_warming_usrp(); - - return; - } - else { // RX allocation failed - error_msg = "failed to allocate RX channel:"; - goto bail; - } - } - - goto unhandled; - - //----------------------- WARMING USRP --------------------// - // The FX2 seems to need some amount of data to be buffered - // before it begins reading. We use this state to simply - // warm up the USRP before benchmarking pings. - case WARMING_USRP: - - // We really don't care about the responses from the - // control channel in the warming stage, but once we receive - // the proper number of responses we switch states. - if(pmt_eq(event, s_response_from_control_channel) - && pmt_eq(d_rx->port_symbol(), port_id)) - { - d_warm_recvd++; - - if(d_warm_recvd > d_warm_msgs) - enter_pinging(); - - return; - } - - goto unhandled; - - case PINGING: - goto unhandled; - - case CLOSING_CHANNELS: - goto unhandled; - - case CLOSING_USRP: - goto unhandled; - - case INIT: - goto unhandled; - - } - - // 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) - std::cout << "test_usrp_inband_tx: unhandled msg: " << msg - << "in state "<< d_state << std::endl; - -} - - -// Sends a command to USRP server to open up a connection to the -// specified USRP, which is defaulted to USRP 0 on the system -void -test_usrp_inband_ping::opening_usrp() -{ - - if(verbose) - std::cout << "[TEST_USRP_INBAND_PING] Opening USRP " - << d_which_usrp << std::endl; - - d_cs->send(s_cmd_open, pmt_list2(PMT_NIL, d_which_usrp)); - d_state = OPENING_USRP; -} - -// RX and TX channels must be allocated so that the USRP server can -// properly share bandwidth across multiple USRPs. No commands will be -// successful to the USRP through the USRP server on the TX or RX channels until -// a bandwidth allocation has been received. -void -test_usrp_inband_ping::allocating_channels() -{ - d_state = ALLOCATING_CHANNELS; - - long capacity = (long) 16e6; - d_tx->send(s_cmd_allocate_channel, pmt_list2(PMT_T, pmt_from_long(capacity))); - d_rx->send(s_cmd_allocate_channel, pmt_list2(PMT_T, pmt_from_long(capacity))); -} - -// The USRP needs some amount of initial data to pass a buffering point such -// that it begins to pull and read data from the FX2. We send an arbitrary -// amount of data to start the pipeline, which are just pings. -void -test_usrp_inband_ping::enter_warming_usrp() -{ - d_state = WARMING_USRP; - - for(int i=0; i < d_warm_msgs; i++) - build_and_send_ping(); -} - -void -test_usrp_inband_ping::enter_pinging() -{ - d_state = PINGING; - - if(verbose) - std::cout << "[TEST_USRP_INBAND_PING] Running ping tests\n"; - -} - -// Pings are sent over the TX channel using the signal 'cmd-to-control-channel' -// to the USRP server. Within this message there can be infinite subpackets -// stored as a list (the second parameter) and sent. The only subpacket we send -// is a ping, interpreted by the 'op-ping-fixed' signal. -void -test_usrp_inband_ping::build_and_send_ping() -{ - - d_tx->send(s_cmd_to_control_channel, // USRP server signal - pmt_list2(PMT_NIL, // invocation handle - pmt_list1(pmt_list3(s_op_ping_fixed, - pmt_from_long(0), - pmt_from_long(0))))); - - if(verbose) - std::cout << "[TEST_USRP_INBAND_PING] Ping!!" << std::endl; -} - -REGISTER_MBLOCK_CLASS(test_usrp_inband_ping); |