Driver Improvement: Tektronix AWG7000A

docs/changes/newsfragments/5900.improved_driver

@@ -0,0 +1,2 @@
+The drivers for ``TektronixAWG5208``, ``TektronixAWG70001A``, ``TektronixAWG70001B``, ``TektronixAWG70002A`` and ``TektronixAWG70002B``
+have gained the parameter ``all_output_off`` to disable / enable all outputs as well as the method ``channel.clear_asset`` to clear all asserts on a channel.

src/qcodes/instrument_drivers/tektronix/AWG70000A.py

@@ -16,6 +16,7 @@
 
 from qcodes import validators as vals
 from qcodes.instrument import ChannelList, Instrument, InstrumentChannel, VisaInstrument
+from qcodes.parameters import create_on_off_val_mapping
 
 log = logging.getLogger(__name__)
 
@@ -388,6 +389,13 @@
                                    f'CASSet:SEQuence "{seqname}"'
                                    f', {tracknr}')
 
+    def clear_asset(self) -> None:
+        """
+        Clear asssinged assets on this channel
+        """
+
+        self.root_instrument.write(f"SOURce{self.channel}:CASSet:CLEAR")
+
 
 AWGChannel = Tektronix70000AWGChannel
 """
@@ -481,6 +489,14 @@
                                         'Waiting for trigger': '1',
                                         'Running': '2'})
 
+        self.add_parameter(
+            "all_output_off",
+            label="All Output Off",
+            get_cmd="OUTPut:OFF?",
+            set_cmd="OUTPut:OFF {}",
+            val_mapping=create_on_off_val_mapping(on_val="1", off_val="0"),
+        )
+
         add_channel_list = self.num_channels > 2
         # We deem 2 channels too few for a channel list
         if add_channel_list: