2 files changed, 6 insertions, 2 deletions

diff --git a/glucometerutils/support/hiddevice.py b/glucometerutils/support/hiddevice.py
index 86203ba..0ffa028 100644
--- a/glucometerutils/support/hiddevice.py
+++ b/glucometerutils/support/hiddevice.py
@@ -42,7 +42,7 @@ class HidDevice(object):
 
     TIMEOUT_MS = None
 
-    def __init__(self, device):
+    def __init__(self, device, with_ketone=False):
         if None in (self.USB_VENDOR_ID, self.USB_PRODUCT_ID) and not device:
             raise exceptions.CommandLineError(
                 '--device parameter is required, should point to a /dev/hidraw '
@@ -54,6 +54,8 @@ class HidDevice(object):
             raise exceptions.ConnectionFailed(
                 message='Path %s does not exist.' % device)
 
+        self.with_ketone = with_ketone
+
         # If the user passed a device, try opening it.
         if device:
             self.handle_ = open(device, 'w+b')
diff --git a/glucometerutils/support/serial.py b/glucometerutils/support/serial.py
index d4f352b..6f8b486 100644
--- a/glucometerutils/support/serial.py
+++ b/glucometerutils/support/serial.py
@@ -45,9 +45,11 @@ class SerialDevice(object):
 
     TIMEOUT = 1
 
-    def __init__(self, device):
+    def __init__(self, device, with_ketone=False):
         assert self.BAUDRATE is not None
 
+        self.with_ketone = with_ketone
+
         if not device and self.DEFAULT_CABLE_ID:
             logging.info(
                 'No --device parameter provided, looking for default cable.')