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userx14 avatar userx14 commented on August 17, 2024

Hi @vulcainman,

on hem-7600 it should be a read around 0x276, and the first byte is the year+2000, the second byte the month and so on.
Deleted the comment to protect personal info, check your mail 😄, thanks for the info.

Best,
Benjamin

from omblepy.

userx14 avatar userx14 commented on August 17, 2024

For future reference the clock sync is now included in the HEM-7322 driver in the current development branch

omblepy/deviceSpecific/hem-7322t.py

Lines 39 to 54 in dc64413

def deviceSpecific_syncWithSystemTime(self):
timeSyncSettingsCopy = self.cachedSettingsBytes[self.settingsTimeSyncBytesSlice]
#read current time from cached settings bytes
month, year, hour, day, second, minute = [int(byte) for byte in timeSyncSettingsCopy[2:8]]
logger.info(f"device is set to date: {datetime.datetime(year + 2000, month, day, hour, minute, second).strftime('%Y-%m-%d %H:%M:%S')}")
#write the current time into the cached settings which will be written later
currentTime = datetime.datetime.now()
setNewTimeDataBytes = timeSyncSettingsCopy[0:2]
setNewTimeDataBytes += bytes([currentTime.month, currentTime.year - 2000, currentTime.hour, currentTime.day, currentTime.second, currentTime.minute])
setNewTimeDataBytes += bytes([0x00, sum(setNewTimeDataBytes) & 0xff]) #first byte does not seem to matter, second byte is crc generated by sum over data and only using lower 8 bits
self.cachedSettingsBytes[self.settingsTimeSyncBytesSlice] = setNewTimeDataBytes
logger.info(f"settings updated to new date {currentTime.strftime('%Y-%m-%d %H:%M:%S')}")
return

from omblepy.

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