driver/sigrokdriver: add channel group parameter

doc/configuration.rst

@@ -655,8 +655,10 @@ specific device from all connected supported devices use the
 
 Arguments:
   - driver (str): name of the sigrok driver to use
-  - channels (str): optional, channel mapping as described in the sigrok-cli
-    man page
+  - channels (str): optional, channel mapping as described in the
+    ``sigrok-cli`` man page
+  - channel_group (str): optional, channel group as described in the
+    ``sigrok-cli`` man page
 
 Used by:
   - `SigrokDriver`_
@@ -896,8 +898,10 @@ A :any:`SigrokUSBDevice` resource describes a *Sigrok* USB device.
 
 Arguments:
   - driver (str): name of the sigrok driver to use
-  - channels (str): optional, channel mapping as described in the sigrok-cli
-    man page
+  - channels (str): optional, channel mapping as described in the
+    ``sigrok-cli`` man page
+  - channel_group (str): optional, channel group as described in the
+    ``sigrok-cli`` man page
   - match (dict): key and value pairs for a udev match, see `udev Matching`_
 
 Used by:
@@ -926,6 +930,8 @@ Arguments:
   - driver (str): name of the sigrok driver to use
   - channels (str): optional, channel mapping as described in the
     ``sigrok-cli`` man page
+  - channel_group (str): optional, channel group as described in the
+    ``sigrok-cli`` man page
   - match (dict): key and value pairs for a udev match, see `udev Matching`_
 
 Used by:

labgrid/driver/sigrokdriver.py

@@ -89,6 +89,8 @@ def _get_sigrok_prefix(self):
             prefix += ["-d", self.sigrok.driver]
         if self.sigrok.channels:
             prefix += ["-C", self.sigrok.channels]
+        if self.sigrok.channel_group:
+            prefix += ["-g", self.sigrok.channel_group]
         return self.sigrok.command_prefix + prefix
 
     @Driver.check_active
@@ -109,6 +111,8 @@ def _call(self, *args):
         combined = self.sigrok.command_prefix + [self.tool]
         if self.sigrok.channels:
             combined += ["-C", self.sigrok.channels]
+        if self.sigrok.channel_group:
+            combined += ["-g", self.sigrok.channel_group]
         combined += list(args)
         self.logger.debug("Combined command: %s", combined)
         self._process = subprocess.Popen(

labgrid/remote/exporter.py

@@ -373,6 +373,7 @@ def _get_params(self):
             "model_id": self.local.model_id,
             "driver": self.local.driver,
             "channels": self.local.channels,
+            "channel_group": self.local.channel_group,
         }
 
 

labgrid/resource/sigrok.py

@@ -6,15 +6,20 @@
 @target_factory.reg_resource
 @attr.s(eq=False)
 class SigrokDevice(Resource):
-    """The SigrokDevice describes an attached sigrok device with driver and
-    channel mapping
+    """The SigrokDevice describes an attached sigrok device with driver,
+    channel mapping and channel group
 
     Args:
         driver (str): driver to use with sigrok
         channels (str): a sigrok channel mapping as described in the sigrok-cli man page
+        channel_group (str): a sigrok channel group as described in the sigrok-cli man page
     """
     driver = attr.ib(default="demo")
     channels = attr.ib(
         default=None,
         validator=attr.validators.optional(attr.validators.instance_of(str))
     )
+    channel_group = attr.ib(
+        default=None,
+        validator=attr.validators.optional(attr.validators.instance_of(str))
+    )

labgrid/resource/udev.py

@@ -396,6 +396,7 @@ class SigrokUSBDevice(USBResource):
     Args:
         driver (str): driver to use with sigrok
         channels (str): a sigrok channel mapping as described in the sigrok-cli man page
+        channel_group (str): a sigrok channel group as described in the sigrok-cli man page
     """
     driver = attr.ib(
         default=None,
@@ -406,6 +407,11 @@ class SigrokUSBDevice(USBResource):
         validator=attr.validators.optional(attr.validators.instance_of(str))
     )
 
+    channel_group = attr.ib(
+        default=None,
+        validator=attr.validators.optional(attr.validators.instance_of(str))
+    )
+
     def __attrs_post_init__(self):
         self.match['@SUBSYSTEM'] = 'usb'
         super().__attrs_post_init__()
@@ -421,6 +427,7 @@ class SigrokUSBSerialDevice(USBResource):
     Args:
         driver (str): driver to use with sigrok
         channels (str): a sigrok channel mapping as described in the sigrok-cli man page
+        channel_group (str): a sigrok channel group as described in the sigrok-cli man page
     """
     driver = attr.ib(
         default=None,
@@ -430,6 +437,10 @@ class SigrokUSBSerialDevice(USBResource):
         default=None,
         validator=attr.validators.optional(attr.validators.instance_of(str))
     )
+    channel_group = attr.ib(
+        default=None,
+        validator=attr.validators.optional(attr.validators.instance_of(str))
+    )
 
     def __attrs_post_init__(self):
         self.match['SUBSYSTEM'] = 'tty'