X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fdevices%2Fhardwaredevice.cpp;h=ff52f817327d6d0d5790c91675e764d1d6091212;hb=9a0e130580f37277d94fd2637ee17bb9c181e110;hp=6374dafe6e03aaddb219a05c1fa4c3a21ab71dd5;hpb=b485408f20c39ae8d05372a5faffe15653c74705;p=pulseview.git

diff --git a/pv/devices/hardwaredevice.cpp b/pv/devices/hardwaredevice.cpp
index 6374dafe..ff52f817 100644
--- a/pv/devices/hardwaredevice.cpp
+++ b/pv/devices/hardwaredevice.cpp
@@ -14,8 +14,7 @@
  * 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 <boost/algorithm/string/join.hpp>
@@ -28,7 +27,6 @@
 
 #include "hardwaredevice.hpp"
 
-using std::dynamic_pointer_cast;
 using std::shared_ptr;
 using std::static_pointer_cast;
 using std::string;
@@ -41,19 +39,21 @@ using sigrok::HardwareDevice;
 namespace pv {
 namespace devices {
 
-HardwareDevice::HardwareDevice(const std::shared_ptr<sigrok::Context> &context,
-	std::shared_ptr<sigrok::HardwareDevice> device) :
-	context_(context) {
+HardwareDevice::HardwareDevice(const shared_ptr<sigrok::Context> &context,
+	shared_ptr<sigrok::HardwareDevice> device) :
+	context_(context),
+	device_open_(false)
+{
 	device_ = device;
 }
 
-HardwareDevice::~HardwareDevice() {
-	device_->close();
-	if (session_)
-		session_->remove_devices();
+HardwareDevice::~HardwareDevice()
+{
+	close();
 }
 
-string HardwareDevice::full_name() const {
+string HardwareDevice::full_name() const
+{
 	vector<string> parts = {device_->vendor(), device_->model(),
 		device_->version(), device_->serial_number()};
 	if (device_->connection_id().length() > 0)
@@ -61,12 +61,14 @@ string HardwareDevice::full_name() const {
 	return join(parts, " ");
 }
 
-shared_ptr<sigrok::HardwareDevice> HardwareDevice::hardware_device() const {
+shared_ptr<sigrok::HardwareDevice> HardwareDevice::hardware_device() const
+{
 	return static_pointer_cast<sigrok::HardwareDevice>(device_);
 }
 
 string HardwareDevice::display_name(
-	const DeviceManager &device_manager) const {
+	const DeviceManager &device_manager) const
+{
 	const auto hw_dev = hardware_device();
 
 	// If we can find another device with the same model/vendor then
@@ -96,17 +98,33 @@ string HardwareDevice::display_name(
 	return join(parts, " ");
 }
 
-void HardwareDevice::create() {
-	// Open the device
-        try {
-                device_->open();
-        } catch(const sigrok::Error &e) {
-                throw QString(e.what());
-        }
-
-        // Set up the session
-        session_ = context_->create_session();
-        session_->add_device(device_);
+void HardwareDevice::open()
+{
+	if (device_open_)
+		close();
+
+	try {
+		device_->open();
+	} catch (const sigrok::Error &e) {
+		throw QString(e.what());
+	}
+
+	device_open_ = true;
+
+	// Set up the session
+	session_ = context_->create_session();
+	session_->add_device(device_);
+}
+
+void HardwareDevice::close()
+{
+	if (device_open_)
+		device_->close();
+
+	if (session_)
+		session_->remove_devices();
+
+	device_open_ = false;
 }
 
 } // namespace devices