Missing temperature data when the sensor log interval is too small (1, 2 or 3 minutes)

[marthakeezy]

Describe the bug

When changing the default log interval for a sensor to 1, 2 or 3 minutes, and leaving it running for a bit, some logs will be missing. I have tested 1 type of interval a day, and the shorter the interval is, the more logs are missing. 4 and 5 minutes do not have any issues.

To Reproduce
Steps to reproduce the behavior:

1. Connect your sensors to the CCA and leave it running for a night. Make sure to change the default interval to 1 or 2 or 3 minutes.
2. Once some time has passed, open your omSupply and go under Cold Chain -> Monitoring -> Log
3. Depending on the interval you set, you will see some records are missing
4. For example, if you are testing with 2 sensors, there should be 2 entires per interval - Sensor one at 01:01:01; Sensor 2 01:01:01, Sensor 1 02:01:01; Sensor 2 02:01:01 etc

Expected behavior

No logs should be missing even when the intervals are close to each other, e.g. 1 minute

Smartphone (please complete the following information):

• Device: Samsung Galaxy Tab A8
• OS: Android 13
• Version: omSupply 1.6.00 and CCA 0.5.6

Additional context
I noticed, that when testing with 2 or 3 minutes, usually only one log is missing. For example, if the last log was at 23:45:01, and there is one missing at 23:48:01, then the next displayed will be 23:51:01. When testing with a 1 minute interval, more than 1 entry at a time can be missing. For example, if the last entry was at 15:01:00, then the missing ones can be 15:02:00, 15:03:00 and 15:04:00. The most I noticed was 4 entries missing at a time, which means the sensor was logging information every 4 minutes instead of 1 minute (sorry, many letters here!).

Also, because there is no way to export omSupply log records, I went through the data manually and compiled it all in a spreadsheet here: https://docs.google.com/spreadsheets/d/10oj-YuxQUUXJkZvTMpSQ9megC66YlUt59ZHEl2Z5NFE/edit#gid=1418206080

[adamdewey]

Nice spot @marthakeezy !

[adamdewey]

Possibly related to #270 ?

[AnushaUp]

@adamdewey @marthakeezy I've seen this and too frequently for 1 minute interval.

[marthakeezy]

@AnushaUp nice one! Yes, for 1 minute interval I got the results of 142 records missing in 4 hours. Sometimes the sensor would miss 4 records before logging in next one.

[mark-prins]

To look at after advertising packets is done.
Export on omSupply?