Libre : trace in case values are ignored because equal (flat) values are detected

xdrip/BluetoothTransmitter/CGM/Libre/Utilities/Libre2BLEUtilities.swift

@@ -1,4 +1,8 @@
 import Foundation
+import OSLog
+
+/// for trace
+fileprivate let log = OSLog(subsystem: ConstantsLog.subSystem, category: ConstantsLog.categoryLibre2BLEUtilities)
 
 /// - utilities for Libre 2 data processing, here it's for the case where data is read via bluetooth
 /// - if read via NFC or other transmitter, go to PreLibre2
@@ -150,7 +154,11 @@ class Libre2BLEUtilities {
         // check if the rawGlucoseValues and the previousRawGlucoseValues have at least 5 equal values, if so this is an expired sensor that keeps sending the same values, in that case no further processing
         if let previousRawGlucoseValues = UserDefaults.standard.previousRawGlucoseValues {
             if rawGlucoseValues.hasEqualValues(howManyToCheck: 5, otherArray: previousRawGlucoseValues) {
+                
+                trace("in parseBLEData, did detect flat values, returning empty GlucoseData array", log: log, category: ConstantsLog.categoryLibreDataParser, type: .info)
+                
                 return ([GlucoseData](), wearTimeMinutes)
+                
             }
         }
 

xdrip/BluetoothTransmitter/CGM/Libre/Utilities/LibreDataParser.swift

@@ -106,6 +106,9 @@ class LibreDataParser {
         
         // check if the trend and the previous raw values have at least 5 equal values, if so this is an expired sensor that keeps sending the same values, in that case no further processing
         if trend.hasEqualValues(howManyToCheck: 5, otherArray: previousRawValues) {
+            
+            trace("in libreDataProcessor, did detect flat values, returning empty GlucoseData array", log: log, category: ConstantsLog.categoryLibreDataParser, type: .info)
+            
             return ([GlucoseData](), sensorState, sensorTimeInMinutes)
         }
         

xdrip/Constants/ConstantsLog.swift

@@ -148,5 +148,8 @@ enum ConstantsLog {
     /// for use in cgm transmitter bubble
     static let categoryLibreSensorType =             "categoryLibreSensorType       "
 
+    /// for use in Libre2BLEUtilities
+    static let categoryLibre2BLEUtilities =             "Libre2BLEUtilities       "
+
 }