1 files changed, 65 insertions, 0 deletions

diff --git a/glucometerutils/drivers/fsprecisionneo.py b/glucometerutils/drivers/fsprecisionneo.py
new file mode 100644
index 0000000..9e9cea1
--- /dev/null
+++ b/glucometerutils/drivers/fsprecisionneo.py
@@ -0,0 +1,65 @@
+# -*- coding: utf-8 -*-
+"""Driver for FreeStyle Precision Neo devices.
+"""
+
+import collections
+import datetime
+
+from glucometerutils import common
+from glucometerutils.support import freestyle
+
+
+# The type is a string because it precedes the parsing of the object.
+_TYPE_GLUCOSE_READING = '7'
+
+_NeoReading = collections.namedtuple('_NeoReading', (
+    'type',  # 7 = blood glucose
+    'id',
+    'month', 'day', 'year',  # year is two-digits
+    'hour', 'minute',
+    'unknown2',
+    'value',
+    'unknown3', 'unknown4', 'unknown5', 'unknown6', 'unknown7',
+    'unknown8', 'unknown9', 'unknown10', 'unknown11', 'unknown12',
+))
+
+
+class Device(freestyle.FreeStyleHidDevice):
+    """Glucometer driver for FreeStyle Precision Neo devices."""
+
+    def get_meter_info(self):
+        """Return the device information in structured form."""
+        return common.MeterInfo(
+            'FreeStyle Precision Neo',
+            serial_number=self.get_serial_number(),
+            version_info=(
+                'Software version: ' + self._get_version(),),
+            native_unit=self.get_glucose_unit())
+
+    def _get_version(self):
+        """Return the software version of the device."""
+        return self._send_text_command(b'$swver?').rstrip('\r\n')
+
+    def get_serial_number(self):
+        """Returns the serial number of the device."""
+        return self._send_text_command(b'$serlnum?').rstrip('\r\n')
+
+    def get_glucose_unit(self):
+        """Returns the glucose unit of the device."""
+        return common.UNIT_MGDL
+
+    def get_readings(self):
+        """Iterate through the reading records in the device."""
+        for record in self._get_multirecord(b'$record?'):
+            if not record or record[0] != _TYPE_GLUCOSE_READING:
+                continue
+
+            # Build a _NeoReading object by parsing each of the entries in the
+            # CSV as integers.
+            raw_reading = _NeoReading._make([int(v) for v in record])
+
+            timestamp = datetime.datetime(
+                raw_reading.year + 2000, raw_reading.month, raw_reading.day,
+                raw_reading.hour, raw_reading.minute)
+
+            yield common.Reading(timestamp, raw_reading.value)