Try to set hardware timestamp with soapy

Author: Sec42

python/iridium_extractor_flowgraph.py

@@ -12,6 +12,7 @@
 
 import sys
 import math
+import time
 
 import numpy as np
 
@@ -195,6 +196,11 @@ def match_gain(gain, gain_names):
 
             source.set_sample_rate(0, self._input_sample_rate)
             source.set_frequency(0, self._center_frequency)
+            try:
+                source.set_hardware_time(time.time_ns(),'')
+            except ValueError as e:
+                print(e)
+                pass
 
             if 'gain' in d:
                 gain = int(d['gain'])