Extend SerialPort

doc/configuration.rst

@@ -31,13 +31,15 @@ enumeration order.
    RawSerialPort:
      port: '/dev/ttyUSB0'
      speed: 115200
+     xonxoff: False
 
 The example would access the serial port ``/dev/ttyUSB0`` on the local computer
 with a baud rate of ``115200``.
 
 Arguments:
   - port (str): path to the serial device
   - speed (int, default=115200): desired baud rate
+  - xonxoff (bool, default=False): software flow control
 
 Used by:
   - `SerialDriver`_

labgrid/driver/serialdriver.py

@@ -39,6 +39,7 @@ def on_activate(self):
         if isinstance(self.port, SerialPort):
             self.serial.port = self.port.port
             self.serial.baudrate = self.port.speed
+            self.serial.xonxoff = self.port.xonxoff
         else:
             host, port = proxymanager.get_host_and_port(self.port)
             if self.port.protocol == "rfc2217":

labgrid/resource/base.py

@@ -10,9 +10,11 @@ class SerialPort(Resource):
 
     Args:
         port (str): port to connect to
-        speed (int): speed of the port, defaults to 115200"""
+        speed (int): speed of the port, defaults to 115200
+        xonxoff (bool): software flow control, defaults to False (=off)"""
     port = attr.ib(default=None)
     speed = attr.ib(default=115200, validator=attr.validators.instance_of(int))
+    xonxoff = attr.ib(default=False, validator=attr.validators.instance_of(bool))
 
 
 @target_factory.reg_resource

tests/test_serialport.py

@@ -10,4 +10,5 @@ def test_instanziation_with(self, target):
         s = RawSerialPort(target, 'serial', 'port', 115200)
         assert (s.port == 'port')
         assert (s.speed == 115200)
+        assert (s.xonxoff == False)
         assert s in target.resources