Implement CGMManager

.gitignore

@@ -33,4 +33,5 @@ Carthage
 #
 
 Pods/
-
+Carthage/
+.gitmodules

CGMBLEKit.xcodeproj/xcshareddata/xcschemes/CGMBLEKit.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0930"
+   LastUpgradeVersion = "1000"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

CGMBLEKit.xcodeproj/xcshareddata/xcschemes/CGMBLEKitUI.xcscheme

@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1000"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "43A8EC51210D0A7400A81379"
+               BuildableName = "CGMBLEKitUI.framework"
+               BlueprintName = "CGMBLEKitUI"
+               ReferencedContainer = "container:CGMBLEKit.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "43A8EC51210D0A7400A81379"
+            BuildableName = "CGMBLEKitUI.framework"
+            BlueprintName = "CGMBLEKitUI"
+            ReferencedContainer = "container:CGMBLEKit.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "43A8EC51210D0A7400A81379"
+            BuildableName = "CGMBLEKitUI.framework"
+            BlueprintName = "CGMBLEKitUI"
+            ReferencedContainer = "container:CGMBLEKit.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

CGMBLEKit/Base.lproj/Localizable.strings

@@ -0,0 +1,37 @@
+/* CGM display title */
+"Dexcom G5" = "Dexcom G5";
+
+/* CGM display title */
+"Dexcom G6" = "Dexcom G6";
+
+/* Error description for unreliable state */
+"Glucose data is unavailable" = "Glucose data is unavailable";
+
+"Low Battery" = "Low Battery";
+
+/* Describes a functioning transmitter */
+"OK" = "OK";
+
+/* Timeout error description */
+"Peripheral did not respond in time" = "Peripheral did not respond in time";
+
+/* Not ready error description */
+"Peripheral isnʼt connected" = "Peripheral isnʼt connected";
+
+/* The description of sensor calibration state when sensor calibration is ok. */
+"Sensor calibration is OK" = "Sensor calibration is OK";
+
+/* The description of sensor calibration state when raw value is unknown. (1: missing data details) */
+"Sensor is in unknown state %1$d" = "Sensor is in unknown state %1$d";
+
+/* The description of sensor calibration state when sensor sensor is stopped. */
+"Sensor is stopped" = "Sensor is stopped";
+
+/* The description of sensor calibration state when sensor sensor is warming up. */
+"Sensor is warming up" = "Sensor is warming up";
+
+/* The description of sensor calibration state when sensor needs calibration. */
+"Sensor needs calibration" = "Sensor needs calibration";
+
+/* Error description */
+"Unknown characteristic" = "Unknown characteristic";

CGMBLEKit/Glucose+SensorDisplayable.swift

@@ -0,0 +1,68 @@
+//
+//  GlucoseRxMessage.swift
+//  Loop
+//
+//  Created by Nathan Racklyeft on 5/30/16.
+//  Copyright © 2016 Nathan Racklyeft. All rights reserved.
+//
+
+import Foundation
+import LoopKit
+
+
+extension Glucose: SensorDisplayable {
+    public var isStateValid: Bool {
+        return state == .known(.ok) && status == .ok
+    }
+
+    public var stateDescription: String {
+        var messages = [String]()
+
+        switch state {
+        case .known(.ok):
+            break  // Suppress the "OK" message
+        default:
+            messages.append(state.localizedDescription)
+        }
+
+        switch self.status {
+        case .ok:
+            if messages.isEmpty {
+                messages.append(status.localizedDescription)
+            } else {
+                break  // Suppress the "OK" message
+            }
+        case .lowBattery, .unknown:
+            messages.append(status.localizedDescription)
+        }
+
+        return messages.joined(separator: ". ")
+    }
+
+    public var trendType: GlucoseTrend? {
+        guard trend < Int(Int8.max) else {
+            return nil
+        }
+
+        switch trend {
+        case let x where x <= -30:
+            return .downDownDown
+        case let x where x <= -20:
+            return .downDown
+        case let x where x <= -10:
+            return .down
+        case let x where x < 10:
+            return .flat
+        case let x where x < 20:
+            return .up
+        case let x where x < 30:
+            return .upUp
+        default:
+            return .upUpUp
+        }
+    }
+
+    public var isLocal: Bool {
+        return true
+    }
+}

CGMBLEKit/Glucose.swift

@@ -43,6 +43,7 @@ public struct Glucose {
         self.glucoseMessage = glucoseMessage
         self.timeMessage = timeMessage
         self.status = TransmitterStatus(rawValue: status)
+        self.activationDate = activationDate
 
         sessionStartDate = activationDate.addingTimeInterval(TimeInterval(timeMessage.sessionStartTime))
         readDate = activationDate.addingTimeInterval(TimeInterval(glucoseMessage.timestamp))
@@ -52,6 +53,7 @@ public struct Glucose {
     // MARK: - Transmitter Info
     public let transmitterID: String
     public let status: TransmitterStatus
+    public let activationDate: Date
     public let sessionStartDate: Date
 
     // MARK: - Glucose Info
@@ -80,6 +82,15 @@ public struct Glucose {
         return Int(glucoseMessage.trend)
     }
 
+    public var trendRate: HKQuantity? {
+        guard glucoseMessage.trend < Int8.max && glucoseMessage.trend > Int8.min else {
+            return nil
+        }
+
+        let unit = HKUnit.milligramsPerDeciliterPerMinute
+        return HKQuantity(unit: unit, doubleValue: Double(glucoseMessage.trend) / 10)
+    }
+
     // An identifier for this reading thatʼs consistent between backfill/live data
     public var syncIdentifier: String {
         return "\(transmitterID) \(glucoseMessage.timestamp)"

CGMBLEKit/OSLog.swift

@@ -21,6 +21,10 @@ extension OSLog {
         log(message, type: .info, args)
     }
 
+    func `default`(_ message: StaticString, _ args: CVarArg...) {
+        log(message, type: .default, args)
+    }
+
     func error(_ message: StaticString, _ args: CVarArg...) {
         log(message, type: .error, args)
     }
@@ -35,6 +39,10 @@ extension OSLog {
             os_log(message, log: self, type: type, args[0], args[1])
         case 3:
             os_log(message, log: self, type: type, args[0], args[1], args[2])
+        case 4:
+            os_log(message, log: self, type: type, args[0], args[1], args[2], args[3])
+        case 5:
+            os_log(message, log: self, type: type, args[0], args[1], args[2], args[3], args[4])
         default:
             os_log(message, log: self, type: type, args)
         }

CGMBLEKit/PeripheralManagerError.swift

@@ -22,11 +22,11 @@ extension PeripheralManagerError: LocalizedError {
         case .cbPeripheralError(let error):
             return error.localizedDescription
         case .notReady:
-            return NSLocalizedString("Peripheral isnʼt connected", comment: "Not ready error description")
+            return LocalizedString("Peripheral isnʼt connected", comment: "Not ready error description")
         case .timeout:
-            return NSLocalizedString("Peripheral did not respond in time", comment: "Timeout error description")
+            return LocalizedString("Peripheral did not respond in time", comment: "Timeout error description")
         case .unknownCharacteristic:
-            return NSLocalizedString("Unknown characteristic", comment: "Error description")
+            return LocalizedString("Unknown characteristic", comment: "Error description")
         }
     }
 

CGMBLEKit/Transmitter.swift

@@ -68,7 +68,7 @@ public final class Transmitter: BluetoothManagerDelegate {
     /// The initial activation date of the transmitter
     private var activationDate: Date?
 
-    /// The last-seen time message
+    /// The last-observed time message
     private var lastTimeMessage: TransmitterTimeRxMessage? {
         didSet {
             if let time = lastTimeMessage {
@@ -79,6 +79,9 @@ public final class Transmitter: BluetoothManagerDelegate {
         }
     }
 
+    /// The last-observed calibration message
+    private var lastCalibrationMessage: CalibrationDataRxMessage?
+
     /// The backfill data buffer
     private var backfillBuffer: GlucoseBackfillFrameBuffer?
 
@@ -236,13 +239,12 @@ public final class Transmitter: BluetoothManagerDelegate {
                 let activationDate = activationDate
             {
                 delegateQueue.async {
-                    self.delegate?.transmitter(self, didRead: Glucose(transmitterID: self.id.id, glucoseMessage: glucoseMessage, timeMessage: timeMessage, activationDate: activationDate))
+                    self.delegate?.transmitter(self, didRead: Glucose(transmitterID: self.id.id, glucoseMessage: glucoseMessage, timeMessage: timeMessage, calibrationMessage: self.lastCalibrationMessage, activationDate: activationDate))
                 }
             }
         case .transmitterTimeRx?:
             if let timeMessage = TransmitterTimeRxMessage(data: response) {
                 self.lastTimeMessage = timeMessage
-                return
             }
         case .glucoseBackfillRx?:
             guard let backfillMessage = GlucoseBackfillRxMessage(data: response) else {
@@ -287,6 +289,12 @@ public final class Transmitter: BluetoothManagerDelegate {
             delegateQueue.async {
                 self.delegate?.transmitter(self, didReadBackfill: glucose)
             }
+        case .calibrationDataRx?:
+            guard let calibrationDataMessage = CalibrationDataRxMessage(data: response) else {
+                break
+            }
+
+            lastCalibrationMessage = calibrationDataMessage
         case .none:
             delegateQueue.async {
                 self.delegate?.transmitter(self, didReadUnknownData: response)