Fixed a bug in tnmr interface, added functionality to load calibration files in ZVL net analyser

frappy_psi/network_analysers/ZVL/ZVLNode.py

@@ -26,6 +26,7 @@ class ZVLNode(fc.Readable):
     pollinterval = fc.Parameter(default=1)
     central_freq = fc.Parameter('central_freq', fc.FloatRange(min=9_000, max=13_600_000_000, unit='Hz'), default=10_000_000, readonly=False)
     freq_span = fc.Parameter('freq_span', fc.FloatRange(unit='Hz'), default=1_000_000, readonly=False)
+    calibration = fc.Parameter('calibration filename', fc.StringType(), default='None', readonly=False)
     
     analyser_ip = fc.Parameter('analyser_ip', fc.StringType())
 
@@ -42,7 +43,12 @@ class ZVLNode(fc.Readable):
         self.NA.set_freq_span(self.central_freq, self.freq_span)
         self.value = self.NA.get_data()[1]
         self.status = ('IDLE', 'idle')
-        
+    
+    def write_calibration(self, f):
+        self.calibration = f
+        self.NA.load_calibration(self.calibration)
+        return self.read_calibration()
+    
     def write_central_freq(self, f):
         self.central_freq = (f)
         self.acq()