X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdevices%2Fdevice.cpp;h=4ce055965167bc842d766269ff259f8cc45454fa;hp=004749c9462f5bee93bd983901151737d5ea3337;hb=f4ab4b5c657e5613caba82feaa81a8a400e4f331;hpb=da30ecb7e72bd2547e524258efa5ec642988b70b

diff --git a/pv/devices/device.cpp b/pv/devices/device.cpp
index 004749c..4ce0559 100644
--- a/pv/devices/device.cpp
+++ b/pv/devices/device.cpp
@@ -14,42 +14,102 @@
  * 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
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <cassert>
+#include <type_traits>
+
+#include <QApplication>
+#include <QDebug>
+#include <QString>
 
 #include <libsigrokcxx/libsigrokcxx.hpp>
 
 #include "device.hpp"
 
+using std::is_same;
+using std::shared_ptr;
+
+using sigrok::ConfigKey;
+using sigrok::Capability;
+
+using Glib::VariantBase;
+using Glib::Variant;
+
 namespace pv {
 namespace devices {
 
-Device::Device() {
-}
-
-Device::~Device() {
+Device::~Device()
+{
 	if (session_)
 		session_->remove_datafeed_callbacks();
 }
 
-std::shared_ptr<sigrok::Session> Device::session() const {
+shared_ptr<sigrok::Session> Device::session() const
+{
 	return session_;
 }
 
-std::shared_ptr<sigrok::Device> Device::device() const {
+shared_ptr<sigrok::Device> Device::device() const
+{
 	return device_;
 }
 
-void Device::run() {
+template uint64_t Device::read_config(const sigrok::ConfigKey*, const uint64_t);
+
+template<typename T>
+T Device::read_config(const ConfigKey *key, const T default_value)
+{
+	assert(key);
+
+	if (!device_)
+		return default_value;
+
+	if (!device_->config_check(key, Capability::GET)) {
+		qWarning() << QApplication::tr("Querying config key %1 is not allowed")
+			.arg(QString::fromStdString(key->identifier()));
+		return default_value;
+	}
+
+	VariantBase value;
+	try {
+		value = device_->config_get(key);
+	} catch (const sigrok::Error &e) {
+		qWarning() << QApplication::tr("Querying config key %1 resulted in %2")
+			.arg(QString::fromStdString(key->identifier()), e.what());
+		return default_value;
+	}
+
+	if (is_same<T, uint32_t>::value)
+		return VariantBase::cast_dynamic<Glib::Variant<guint32>>(value).get();
+	if (is_same<T, int32_t>::value)
+		return VariantBase::cast_dynamic<Glib::Variant<gint32>>(value).get();
+	if (is_same<T, uint64_t>::value)
+		return VariantBase::cast_dynamic<Glib::Variant<guint64>>(value).get();
+	if (is_same<T, int64_t>::value)
+		return VariantBase::cast_dynamic<Glib::Variant<gint64>>(value).get();
+
+	qWarning() << QApplication::tr("Unknown type supplied when attempting to query %1")
+		.arg(QString::fromStdString(key->identifier()));
+	return default_value;
+}
+
+void Device::start()
+{
+	assert(session_);
+	session_->start();
+}
+
+void Device::run()
+{
 	assert(device_);
 	assert(session_);
 	session_->run();
 }
 
-void Device::stop() {
+void Device::stop()
+{
 	assert(session_);
 	session_->stop();
 }