From: Soeren Apel <redacted>
Date: Fri, 9 Jun 2017 22:57:48 +0000 (+0200)
Subject: DeviceManager: Don't perform scans with DMM drivers
X-Git-Tag: pulseview-0.4.0~12
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=4c7a19d3d7049bcc9fb3185ce2bc91333a7ca9e1;hp=b760e6e0527fd96608aeeff345b3a7c9cead9511

DeviceManager: Don't perform scans with DMM drivers
---

diff --git a/pv/devicemanager.cpp b/pv/devicemanager.cpp
index 58f507c9..540f8815 100644
--- a/pv/devicemanager.cpp
+++ b/pv/devicemanager.cpp
@@ -68,7 +68,20 @@ DeviceManager::DeviceManager(shared_ptr<Context> context) :
 		progress->setLabelText(QObject::tr("Scanning for %1...")
 			.arg(QString::fromStdString(entry.first)));
 
-		driver_scan(entry.second, map<const ConfigKey *, VariantBase>());
+		/**
+		 * We currently only support devices that can deliver
+		 * samples at a fixed samplerate i.e. oscilloscopes and
+		 * logic analysers.
+		 * @todo Add support for non-monotonic devices i.e. DMMs
+		 * and sensors.
+		 */
+		const auto keys = (entry.second)->config_keys();
+
+		bool supported_device = keys.count(ConfigKey::LOGIC_ANALYZER) |
+			keys.count(ConfigKey::OSCILLOSCOPE);
+
+		if (supported_device)
+			driver_scan(entry.second, map<const ConfigKey *, VariantBase>());
 
 		progress->setValue(entry_num++);
 		QApplication::processEvents();