diff options
author | Ben West <bewest@gmail.com> | 2016-03-15 15:48:16 -0700 |
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committer | Ben West <bewest@gmail.com> | 2016-03-15 15:48:16 -0700 |
commit | 8b9ee35f1a9fd5f23306f792db37c73fe7d7ed9f (patch) | |
tree | 2fb6e03e2dd5586e3b99f484ca0e3226f2001bf7 | |
parent | b9c31db6f8e2e7f1d92dc8fb9f6a092ec8e2e9cd (diff) |
add support for WriteDisplayTimeOffset: update clock!
Allow updating clock on the receiver.
-rw-r--r-- | dexcom_reader/readdata.py | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/dexcom_reader/readdata.py b/dexcom_reader/readdata.py index 35d6318..b044a3b 100644 --- a/dexcom_reader/readdata.py +++ b/dexcom_reader/readdata.py | |||
@@ -151,12 +151,19 @@ class Dexcom(object): | |||
151 | return util.ReceiverTimeToTime(struct.unpack('I', rtc)[0]) | 151 | return util.ReceiverTimeToTime(struct.unpack('I', rtc)[0]) |
152 | 152 | ||
153 | def ReadSystemTimeOffset(self): | 153 | def ReadSystemTimeOffset(self): |
154 | rtc = self.GenericReadCommand(constants.READ_SYSTEM_TIME_OFFSET).data | 154 | raw = self.GenericReadCommand(constants.READ_SYSTEM_TIME_OFFSET).data |
155 | return datetime.timedelta(seconds=struct.unpack('i', rtc)[0]) | 155 | return datetime.timedelta(seconds=struct.unpack('i', raw)[0]) |
156 | 156 | ||
157 | def ReadDisplayTimeOffset(self): | 157 | def ReadDisplayTimeOffset(self): |
158 | rtc = self.GenericReadCommand(constants.READ_DISPLAY_TIME_OFFSET).data | 158 | raw = self.GenericReadCommand(constants.READ_DISPLAY_TIME_OFFSET).data |
159 | return datetime.timedelta(seconds=struct.unpack('i', rtc)[0]) | 159 | return datetime.timedelta(seconds=struct.unpack('i', raw)[0]) |
160 | |||
161 | def WriteDisplayTimeOffset(self, offset=None): | ||
162 | payload = struct.pack('i', offset) | ||
163 | self.WriteCommand(constants.WRITE_DISPLAY_TIME_OFFSET, payload) | ||
164 | packet = self.readpacket() | ||
165 | return dict(ACK=ord(packet.command) == constants.ACK) | ||
166 | |||
160 | 167 | ||
161 | def ReadDisplayTime(self): | 168 | def ReadDisplayTime(self): |
162 | return self.ReadSystemTime() + self.ReadDisplayTimeOffset() | 169 | return self.ReadSystemTime() + self.ReadDisplayTimeOffset() |