Merge vettel.quartiq.de:src/ptb-drivers

* vettel.quartiq.de:src/ptb-drivers:
  synth: add setter/getter
  increase output power

ptb/synth_protocol.py

@@ -25,6 +25,24 @@ async def read(self, n):
         ret = await self._read(n)
         return ret.decode()
 
+    def set(self, **kwargs):
+        """Configure synthesizer settings.
+
+        See datasheet and :class:`ADF4350` for fields and values.
+
+        This does not update the synthesizer settings or registers.
+        This method only sets instance attributes that affect the
+        calculation of register values during :meth:`set_frequency`.
+        """
+        for k, v in kwargs.items():
+            if not hasattr(self, k):
+                raise ValueError("No such field `{}`".format(k))
+            setattr(self, k, v)
+
+    def get(self, key):
+        """Get a synthesizer configuration setting (instance attribute)."""
+        return getattr(self, key)
+
     async def version(self):
         """Return the hardware/firmware version.
 
@@ -73,6 +91,11 @@ async def save(self, regs=None):
             raise ValueError("save failed", ret)
 
     async def locked(self):
+        """Return the reference lock status.
+
+        Returns:
+            bool: True if locked
+        """
         return not "not" in await self.ask("locked")
 
     def _writeline(self, cmd):

test_synth.py

@@ -47,7 +47,7 @@ async def run():
                 dev.ref_div2_en = False
                 dev.ref_doubler_en = False
                 dev.mute_till_lock_en = True
-                dev.output_power = 0
+                dev.output_power = 3
                 dev.set_frequency([3.07e9, 5.257e9/2, 14.748e9/6, 2.105e9][i])
                 await dev.start()
                 print(await dev.locked())