Sleep time negative value bug fixed (TANGODEVIC-1805)

pom.xml

@@ -9,7 +9,7 @@
 
     <groupId>fr.soleil.device</groupId>
     <artifactId>Spectrometer-${aol}-${mode}</artifactId>
-    <version>1.2.3-SNAPSHOT</version>
+    <version>1.3.0-SNAPSHOT</version>
 
     <packaging>nar</packaging>
 
@@ -51,7 +51,7 @@
         <dependency>
           <groupId>com.oceanoptics.lib</groupId>
           <artifactId>OMNIDRIVER-${aol}-static-release</artifactId>
-          <version>1.66.2</version>
+          <version>2.46.0</version>
           </dependency>
         </dependencies>
     </profile>

src/SpectrometerTask.cpp

@@ -418,11 +418,19 @@ void SpectrometerTask::periodic_job_i()
       {
         yat::Time expected_next( m_start_time );
         expected_next.add_sec( m_acq_count * m_period_sec );		
-        std::size_t sleep_time = expected_next.raw_value() -  yat::CurrentTime().raw_value();
+		int64 current_date = yat::CurrentTime().raw_value();
+		if (expected_next.raw_value() > current_date)
+		{
+		  std::size_t sleep_time = expected_next.raw_value() - current_date;
           DEBUG_STREAM << "Sleep time (micro_secs): " << sleep_time << std::endl;
           sleep_usec( sleep_time );
 		}
 		else
+		{
+		  WARN_STREAM << "Device overruns: no waiting delay before next acquisition!" << std::endl;
+		}
+      }
+      else
       {
         m_start_time.set_current();
       }