Change pylon temp monitor

components/rgbd-sources/src/sources/stereovideo/pylon.cpp

@@ -124,15 +124,14 @@ PylonDevice::PylonDevice(nlohmann::json &config)
 	});
 
 	monitor_ = true;
-	temperature_monitor_ = ftl::timer::add(ftl::timer::timerlevel_t::kTimerIdle1, 3.0, [this](int64_t ts) {
-		for (auto* cam : {lcam_, rcam_}) {
-			// is this thread safe?
-			float temperature = cam->DeviceTemperature();
+	temperature_monitor_ = ftl::timer::add(ftl::timer::timerlevel_t::kTimerIdle1, 10.0, [this](int64_t ts) {
+
+		float temperature = (rcam_) ? std::max(lcam_->DeviceTemperature(), rcam_->DeviceTemperature()) : lcam_->DeviceTemperature();
+
 		LOG_IF(WARNING, temperature > 53.0)
 			<< "Camera temperature over 50C (value: " << temperature << ")";
 
 		// TODO: stop if camera temperature exceeds threshold
-		}
 
 		return true;
 	});