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Diffstat (limited to 'usrp/host/apps-inband/test_usrp_inband_overrun.cc')
-rw-r--r--usrp/host/apps-inband/test_usrp_inband_overrun.cc376
1 files changed, 376 insertions, 0 deletions
diff --git a/usrp/host/apps-inband/test_usrp_inband_overrun.cc b/usrp/host/apps-inband/test_usrp_inband_overrun.cc
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index 000000000..343720c28
--- /dev/null
+++ b/usrp/host/apps-inband/test_usrp_inband_overrun.cc
@@ -0,0 +1,376 @@
+/* -*- 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 <mb_mblock.h>
+#include <mb_runtime.h>
+#include <mb_runtime_nop.h> // QA only
+#include <mb_protocol_class.h>
+#include <mb_exception.h>
+#include <mb_msg_queue.h>
+#include <mb_message.h>
+#include <mb_mblock_impl.h>
+#include <mb_msg_accepter.h>
+#include <mb_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("nanocell9.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 properties = pmt_nth(4, 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);
+}