2 * This file is part of the sigrok 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;
34 // TODO: This should not be necessary
35 SigSession* SigSession::session = NULL;
37 SigSession::SigSession()
39 // TODO: This should not be necessary
43 SigSession::~SigSession()
45 // TODO: This should not be necessary
49 void SigSession::loadFile(const std::string &name)
51 if (sr_session_load(name.c_str()) == SR_OK) {
52 /* sigrok session file */
53 sr_session_datafeed_callback_add(dataFeedInProc);
60 void SigSession::start_capture(struct sr_dev_inst *sdi,
64 sr_session_datafeed_callback_add(dataFeedInProc);
66 if (sr_session_dev_add(sdi) != SR_OK) {
67 qDebug() << "Failed to use device.";
72 uint64_t limit_samples = 10000;
73 if (sr_dev_config_set(sdi, SR_HWCAP_LIMIT_SAMPLES,
74 &limit_samples) != SR_OK) {
75 qDebug() << "Failed to configure time-based sample limit.";
80 if (sr_dev_config_set(sdi, SR_HWCAP_SAMPLERATE,
81 &sample_rate) != SR_OK) {
82 qDebug() << "Failed to configure samplerate.";
87 if (sr_session_start() != SR_OK) {
88 qDebug() << "Failed to start session.";
96 vector< shared_ptr<Signal> >& SigSession::get_signals()
101 void SigSession::dataFeedIn(const struct sr_dev_inst *sdi,
102 struct sr_datafeed_packet *packet)
107 switch (packet->type) {
112 case SR_DF_META_LOGIC:
114 assert(packet->payload);
116 const sr_datafeed_meta_logic &meta_logic =
117 *(sr_datafeed_meta_logic*)packet->payload;
119 // Create an empty LogiData for coming data snapshots
120 _logic_data.reset(new LogicData(meta_logic));
126 for (int i = 0; i < meta_logic.num_probes; i++)
128 const sr_probe *const probe =
129 (const sr_probe*)g_slist_nth_data(
133 boost::shared_ptr<LogicSignal> signal(
134 new LogicSignal(probe->name,
137 _signals.push_back(signal);
146 assert(packet->payload);
147 if(!_cur_logic_snapshot)
149 // Create a new data snapshot
150 _cur_logic_snapshot = shared_ptr<LogicDataSnapshot>(
151 new LogicDataSnapshot(
152 *(sr_datafeed_logic*)packet->payload));
153 _logic_data->push_snapshot(_cur_logic_snapshot);
157 // Append to the existing data snapshot
158 _cur_logic_snapshot->append_payload(
159 *(sr_datafeed_logic*)packet->payload);
165 _cur_logic_snapshot.reset();
171 void SigSession::dataFeedInProc(const struct sr_dev_inst *sdi,
172 struct sr_datafeed_packet *packet)
175 session->dataFeedIn(sdi, packet);