Added session file open support

[pulseview.git] / sigsession.cpp

diff --git a/sigsession.cpp b/sigsession.cpp
new file mode 100644 (file)
index 0000000..2df6a15
--- /dev/null
+++ b/sigsession.cpp
@@ -0,0 +1,84 @@
+/*
+ * This file is part of the sigrok project.
+ *
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include "sigsession.h"
+
+#include <assert.h>
+
+// TODO: This should not be necessary
+SigSession* SigSession::session = NULL;
+
+SigSession::SigSession()
+{
+       // TODO: This should not be necessary
+       session = this;
+}
+
+SigSession::~SigSession()
+{
+       // TODO: This should not be necessary
+       session = NULL;
+}
+
+void SigSession::loadFile(const std::string &name)
+{
+       if (sr_session_load(name.c_str()) == SR_OK) {
+               /* sigrok session file */
+               sr_session_datafeed_callback_add(dataFeedInProc);
+               sr_session_start();
+               sr_session_run();
+               sr_session_stop();
+       }
+}
+
+void SigSession::dataFeedIn(const struct sr_dev_inst *sdi,
+       struct sr_datafeed_packet *packet)
+{
+       assert(sdi);
+       assert(packet);
+
+       switch (packet->type) {
+       case SR_DF_META_LOGIC:
+               {
+                       const sr_datafeed_meta_logic *meta_logic =
+                               (sr_datafeed_meta_logic*)packet->payload;
+                       int num_enabled_probes = 0;
+
+                       for (int i = 0; i < meta_logic->num_probes; i++) {
+                               const sr_probe *probe =
+                                       (sr_probe *)g_slist_nth_data(sdi->probes, i);
+                               if (probe->enabled) {
+                                       probeList[num_enabled_probes++] = probe->index;
+                               }
+                       }
+               }
+               break;
+
+       case SR_DF_END:
+               break;
+       }
+}
+
+void SigSession::dataFeedInProc(const struct sr_dev_inst *sdi,
+       struct sr_datafeed_packet *packet)
+{
+       assert(session);
+       session->dataFeedIn(sdi, packet);
+}