From 147abddca9ee65b6f1e615ac96b8a312fc9add5b Mon Sep 17 00:00:00 2001
From: Leonard Lausen <leonard@lausen.nl>
Date: Sun, 1 Oct 2017 23:36:58 +0900
Subject: Fix ketone reading

---
 glucometer.py                             | 2 +-
 glucometerutils/drivers/fsprecisionneo.py | 3 ++-
 glucometerutils/support/hiddevice.py      | 4 +++-
 glucometerutils/support/serial.py         | 4 +++-
 4 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/glucometer.py b/glucometer.py
index 88c44b4..827cf2d 100755
--- a/glucometer.py
+++ b/glucometer.py
@@ -82,7 +82,7 @@ def main():
     print(inspect.getdoc(driver))
     return 0
 
-  device = driver.Device(args.device)
+  device = driver.Device(args.device, args.with_ketone)
 
   device.connect()
   device_info = device.get_meter_info()
diff --git a/glucometerutils/drivers/fsprecisionneo.py b/glucometerutils/drivers/fsprecisionneo.py
index d036259..e1c2082 100644
--- a/glucometerutils/drivers/fsprecisionneo.py
+++ b/glucometerutils/drivers/fsprecisionneo.py
@@ -74,7 +74,8 @@ class Device(freestyle.FreeStyleHidDevice):
             cls = None
             if record and record[0] == _TYPE_GLUCOSE_READING:
                 cls = common.GlucoseReading
-            elif with_ketone and record or record[0] == _TYPE_KETONE_READING:
+            elif self.with_ketone and record or (record and record[0] ==
+                                                 _TYPE_KETONE_READING):
                 cls = common.KetoneReading
             else:
                 continue
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.')
-- 
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