3 * Copyright 2007 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 #include <mb_mblock.h>
27 #include <mb_runtime.h>
28 #include <mb_runtime_nop.h> // QA only
29 #include <mb_protocol_class.h>
30 #include <mb_exception.h>
31 #include <mb_msg_queue.h>
32 #include <mb_message.h>
33 #include <mb_mblock_impl.h>
34 #include <mb_msg_accepter.h>
35 #include <mb_class_registry.h>
42 // Include the symbols needed for communication with USRP server
43 #include <symbols_usrp_server_cs.h>
44 #include <symbols_usrp_channel.h>
45 #include <symbols_usrp_low_level_cs.h>
46 #include <symbols_usrp_rx.h>
48 static bool verbose = true;
50 class test_usrp_rx : public mb_mblock
54 pmt_t d_rx_chan; // returned tx channel handle
67 std::ofstream d_ofile;
72 long d_samples_to_recv;
75 test_usrp_rx(mb_runtime *runtime, const std::string &instance_name, pmt_t user_arg);
77 void initial_transition();
78 void handle_message(mb_message_sptr msg);
83 void allocate_channel();
85 void enter_receiving();
86 void build_and_send_next_frame();
87 void handle_response_recv_raw_samples(pmt_t invocation_handle);
88 void enter_closing_channel();
91 test_usrp_rx::test_usrp_rx(mb_runtime *runtime, const std::string &instance_name, pmt_t user_arg)
92 : mb_mblock(runtime, instance_name, user_arg),
95 d_samples_to_recv(10e6)
98 d_rx = define_port("rx0", "usrp-rx", false, mb_port::INTERNAL);
99 d_cs = define_port("cs", "usrp-server-cs", false, mb_port::INTERNAL);
101 // Pass a dictionary to usrp_server which specifies which interface to use, the stub or USRP
102 pmt_t usrp_dict = pmt_make_dict();
104 // Specify the RBF to use
105 pmt_dict_set(usrp_dict,
107 pmt_intern("nanocell9.rbf"));
109 pmt_dict_set(usrp_dict,
110 pmt_intern("decim-rx"),
113 define_component("server", "usrp_server", usrp_dict);
115 connect("self", "rx0", "server", "rx0");
116 connect("self", "cs", "server", "cs");
120 test_usrp_rx::~test_usrp_rx()
125 test_usrp_rx::initial_transition()
131 test_usrp_rx::handle_message(mb_message_sptr msg)
133 pmt_t event = msg->signal();
134 pmt_t data = msg->data();
136 pmt_t handle = PMT_F;
137 pmt_t status = PMT_F;
138 std::string error_msg;
142 //----------------------------- OPENING_USRP ----------------------------//
143 // We only expect a response from opening the USRP which should be succesful
146 if (pmt_eq(event, s_response_open)){
147 status = pmt_nth(1, data);
148 if (pmt_eq(status, PMT_T)){
153 error_msg = "failed to open usrp:";
159 //----------------------- ALLOCATING CHANNELS --------------------//
160 // Allocate an RX channel to perform the overrun test.
161 case ALLOCATING_CHANNEL:
162 if (pmt_eq(event, s_response_allocate_channel)){
163 status = pmt_nth(1, data);
164 d_rx_chan = pmt_nth(2, data);
166 if (pmt_eq(status, PMT_T)){
171 error_msg = "failed to allocate channel:";
177 //--------------------------- RECEIVING ------------------------------//
178 // In the receiving state, we receive samples until the specified amount
179 // while counting the number of overruns.
181 if (pmt_eq(event, s_response_recv_raw_samples)){
182 status = pmt_nth(1, data);
184 if (pmt_eq(status, PMT_T)){
185 handle_response_recv_raw_samples(data);
189 error_msg = "bad response-xmit-raw-frame:";
195 //------------------------- CLOSING CHANNEL ----------------------------//
196 // Check deallocation response for the RX channel
197 case CLOSING_CHANNEL:
198 if (pmt_eq(event, s_response_deallocate_channel)){
199 status = pmt_nth(1, data);
201 if (pmt_eq(status, PMT_T)){
206 error_msg = "failed to deallocate channel:";
211 // Alternately, we ignore all response recv samples while waiting for the
212 // channel to actually close
213 if (pmt_eq(event, s_response_recv_raw_samples))
218 //--------------------------- CLOSING USRP ------------------------------//
219 // Once we have received a successful USRP close response, we shutdown all
222 if (pmt_eq(event, s_response_close)){
223 status = pmt_nth(1, data);
225 if (pmt_eq(status, PMT_T)){
226 std::cout << "\nOverruns: " << d_n_overruns << std::endl;
232 error_msg = "failed to close USRP:";
243 // An error occured, print it, and shutdown all m-blocks
245 std::cerr << error_msg << data
246 << "status = " << status << std::endl;
250 // Received an unhandled message for a specific state
252 if(verbose && !pmt_eq(event, pmt_intern("%shutdown")))
253 std::cout << "test_usrp_inband_tx: unhandled msg: " << msg
254 << "in state "<< d_state << std::endl;
259 test_usrp_rx::open_usrp()
261 pmt_t which_usrp = pmt_from_long(0);
263 d_cs->send(s_cmd_open, pmt_list2(PMT_NIL, which_usrp));
264 d_state = OPENING_USRP;
267 std::cout << "[TEST_USRP_INBAND_OVERRUN] Opening the USRP\n";
271 test_usrp_rx::close_usrp()
273 d_cs->send(s_cmd_close, pmt_list1(PMT_NIL));
274 d_state = CLOSING_USRP;
277 std::cout << "[TEST_USRP_INBAND_OVERRUN] Closing the USRP\n";
281 test_usrp_rx::allocate_channel()
283 long capacity = (long) 16e6;
284 d_rx->send(s_cmd_allocate_channel, pmt_list2(PMT_T, pmt_from_long(capacity)));
285 d_state = ALLOCATING_CHANNEL;
288 std::cout << "[TEST_USRP_INBAND_OVERRUN] Requesting RX channel allocation\n";
292 test_usrp_rx::enter_receiving()
296 d_rx->send(s_cmd_start_recv_raw_samples,
301 std::cout << "[TEST_USRP_INBAND_OVERRUN] Receiving...\n";
305 test_usrp_rx::handle_response_recv_raw_samples(pmt_t data)
307 pmt_t invocation_handle = pmt_nth(0, data);
308 pmt_t status = pmt_nth(1, data);
309 pmt_t v_samples = pmt_nth(2, data);
310 pmt_t timestamp = pmt_nth(3, data);
311 pmt_t properties = pmt_nth(4, data);
313 d_samples_recvd += pmt_length(v_samples) / 4;
316 if(!pmt_is_dict(properties)) {
317 std::cout << "[TEST_USRP_INBAND_OVERRUN] Recv samples dictionary is improper\n";
321 if(pmt_t overrun = pmt_dict_ref(properties,
322 pmt_intern("overrun"),
324 if(pmt_eqv(overrun, PMT_T)) {
328 std::cout << "[TEST_USRP_INBAND_OVERRUN] Underrun\n";
332 std::cout << "[TEST_USRP_INBAND_OVERRUN] No overrun\n" << overrun <<std::endl;
337 std::cout << "[TEST_USRP_INBAND_OVERRUN] No overrun\n";
340 // Check if the number samples we have received meets the test
341 if(d_samples_recvd >= d_samples_to_recv) {
342 d_rx->send(s_cmd_stop_recv_raw_samples, pmt_list2(PMT_NIL, d_rx_chan));
343 enter_closing_channel();
350 test_usrp_rx::enter_closing_channel()
352 d_state = CLOSING_CHANNEL;
356 d_rx->send(s_cmd_deallocate_channel, pmt_list2(PMT_NIL, d_rx_chan));
359 std::cout << "[TEST_USRP_INBAND_OVERRUN] Deallocating RX channel\n";
362 REGISTER_MBLOCK_CLASS(test_usrp_rx);
365 // ----------------------------------------------------------------
368 main (int argc, char **argv)
370 // handle any command line args here
372 mb_runtime_sptr rt = mb_make_runtime();
373 pmt_t result = PMT_NIL;
375 rt->run("top", "test_usrp_rx", PMT_F, &result);