2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "sigsession.h"
23 #include "logicdata.h"
24 #include "logicdatasnapshot.h"
25 #include "logicsignal.h"
31 using namespace boost;
36 // TODO: This should not be necessary
37 SigSession* SigSession::_session = NULL;
39 SigSession::SigSession()
41 // TODO: This should not be necessary
45 SigSession::~SigSession()
47 // TODO: This should not be necessary
51 void SigSession::load_file(const std::string &name)
53 if (sr_session_load(name.c_str()) == SR_OK) {
54 /* sigrok session file */
55 sr_session_datafeed_callback_add(data_feed_in_proc);
62 void SigSession::start_capture(struct sr_dev_inst *sdi,
63 uint64_t record_length, uint64_t sample_rate)
66 sr_session_datafeed_callback_add(data_feed_in_proc);
68 if (sr_session_dev_add(sdi) != SR_OK) {
69 qDebug() << "Failed to use device.";
74 if (sr_dev_config_set(sdi, SR_HWCAP_LIMIT_SAMPLES,
75 &record_length) != SR_OK) {
76 qDebug() << "Failed to configure time-based sample limit.";
81 if (sr_dev_config_set(sdi, SR_HWCAP_SAMPLERATE,
82 &sample_rate) != SR_OK) {
83 qDebug() << "Failed to configure samplerate.";
88 if (sr_session_start() != SR_OK) {
89 qDebug() << "Failed to start session.";
97 vector< shared_ptr<Signal> >& SigSession::get_signals()
102 boost::shared_ptr<LogicData> SigSession::get_data()
107 void SigSession::data_feed_in(const struct sr_dev_inst *sdi,
108 struct sr_datafeed_packet *packet)
113 switch (packet->type) {
118 case SR_DF_META_LOGIC:
120 assert(packet->payload);
122 const sr_datafeed_meta_logic &meta_logic =
123 *(sr_datafeed_meta_logic*)packet->payload;
125 // Create an empty LogiData for coming data snapshots
126 _logic_data.reset(new LogicData(meta_logic));
132 for (int i = 0; i < meta_logic.num_probes; i++)
134 const sr_probe *const probe =
135 (const sr_probe*)g_slist_nth_data(
139 boost::shared_ptr<LogicSignal> signal(
140 new LogicSignal(probe->name,
143 _signals.push_back(signal);
152 assert(packet->payload);
153 if(!_cur_logic_snapshot)
155 // Create a new data snapshot
156 _cur_logic_snapshot = shared_ptr<LogicDataSnapshot>(
157 new LogicDataSnapshot(
158 *(sr_datafeed_logic*)packet->payload));
159 _logic_data->push_snapshot(_cur_logic_snapshot);
163 // Append to the existing data snapshot
164 _cur_logic_snapshot->append_payload(
165 *(sr_datafeed_logic*)packet->payload);
171 _cur_logic_snapshot.reset();
177 void SigSession::data_feed_in_proc(const struct sr_dev_inst *sdi,
178 struct sr_datafeed_packet *packet)
181 _session->data_feed_in(sdi, packet);