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oop web : use only 1 reading per 5 minutes

This commit is contained in:
Johan Degraeve 2019-08-14 17:52:39 +02:00
parent 4caab3b3c2
commit d3528d0d35
1 changed files with 23 additions and 1 deletions
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24
xdrip/Transmitter/CGMBluetoothTransmitter/Libre/Utilities/LibreOOPClient.swift
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@ -48,7 +48,29 @@ class LibreOOPClient {
//and we trust that the remote endpoint returns correct data for the sensor
let last16 = trendMeasurements(bytes: libreData, date: Date(), timeStampLastBgReading: timeStampLastBgReading, LibreDerivedAlgorithmParameterSet: params)
if let glucoseData = trendToLibreGlucose(last16) {
callback((glucoseData, sensorState, 0))
// return only readings that are at least 5 minutes away from each other, except the first, same approach as in LibreDataParser.parse
var finalResult:[GlucoseData] = []
// we will add the most recent readings, but then we'll only add the readings that are at least 5 minutes apart (giving 10 seconds spare)
// for that variable timeStampLastAddedGlucoseData is used. It's initially set to now + 5 minutes
var timeStampLastAddedGlucoseData = Date().toMillisecondsAsDouble() + 5 * 60 * 1000
for glucose in glucoseData {
let timeStampOfNewGlucoseData = glucose.timeStamp
if timeStampOfNewGlucoseData.toMillisecondsAsDouble() > (timeStampLastBgReading.toMillisecondsAsDouble() + 30000.0) {
if timeStampOfNewGlucoseData.toMillisecondsAsDouble() < timeStampLastAddedGlucoseData - (5 * 60 * 1000 - 10000) {
timeStampLastAddedGlucoseData = timeStampOfNewGlucoseData.toMillisecondsAsDouble()
finalResult.append(glucose)
}
} else {
break
}
}
callback((finalResult, sensorState, 0))
}
}
}