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bjorkertbjorkert
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Merge pull request #375 from loopandlearn/estimated-delay
Estimated bg delay
2 parents 6382e24 + 688233c commit 9e43be4

9 files changed

Lines changed: 218 additions & 67 deletions

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‎LoopFollow.xcodeproj/project.pbxproj‎

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@@ -70,6 +70,7 @@
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DD608A0A2C23593900F91132 /* SMB.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD608A092C23593900F91132 /* SMB.swift */; };
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DD608A0C2C27415C00F91132 /* BackgroundAlertManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD608A0B2C27415C00F91132 /* BackgroundAlertManager.swift */; };
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DD6A935E2BFA6FA2003FFB8E /* DeviceStatusOpenAPS.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD6A935D2BFA6FA2003FFB8E /* DeviceStatusOpenAPS.swift */; };
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DD7B0D442D730A3B0063DCB6 /* CycleHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD7B0D432D730A320063DCB6 /* CycleHelper.swift */; };
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DD7E19842ACDA50C00DBD158 /* Overrides.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD7E19832ACDA50C00DBD158 /* Overrides.swift */; };
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DD7E19862ACDA59700DBD158 /* BGCheck.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD7E19852ACDA59700DBD158 /* BGCheck.swift */; };
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DD7E19882ACDA5DA00DBD158 /* Notes.swift in Sources */ = {isa = PBXBuildFile; fileRef = DD7E19872ACDA5DA00DBD158 /* Notes.swift */; };
@@ -347,6 +348,7 @@
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DD608A092C23593900F91132 /* SMB.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SMB.swift; sourceTree = "<group>"; };
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DD608A0B2C27415C00F91132 /* BackgroundAlertManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BackgroundAlertManager.swift; sourceTree = "<group>"; };
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DD6A935D2BFA6FA2003FFB8E /* DeviceStatusOpenAPS.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeviceStatusOpenAPS.swift; sourceTree = "<group>"; };
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DD7B0D432D730A320063DCB6 /* CycleHelper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CycleHelper.swift; sourceTree = "<group>"; };
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DD7E19832ACDA50C00DBD158 /* Overrides.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Overrides.swift; sourceTree = "<group>"; };
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DD7E19852ACDA59700DBD158 /* BGCheck.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BGCheck.swift; sourceTree = "<group>"; };
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DD7E19872ACDA5DA00DBD158 /* Notes.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Notes.swift; sourceTree = "<group>"; };
@@ -1107,6 +1109,7 @@
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FCC688542489367300A0279D /* Helpers */ = {
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isa = PBXGroup;
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children = (
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DD7B0D432D730A320063DCB6 /* CycleHelper.swift */,
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DDF6999C2C5AAA4C0058A8D9 /* Views */,
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FCC6886E2489A53800A0279D /* AppConstants.swift */,
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FCC6886A24898FD800A0279D /* ObservationToken.swift */,
@@ -1459,6 +1462,7 @@
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DD4878172C7B75350048F05C /* BolusView.swift in Sources */,
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DD493AE72ACF23CF009A6922 /* DeviceStatus.swift in Sources */,
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FCFEECA2248857A600402A7F /* SettingsViewController.swift in Sources */,
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DD7B0D442D730A3B0063DCB6 /* CycleHelper.swift in Sources */,
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DD9ACA0C2D33BB8600415D8A /* CalendarTask.swift in Sources */,
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DD13BC792C3FE63A0062313B /* InfoManager.swift in Sources */,
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DD0C0C702C4AFFE800DBADDF /* RemoteViewController.swift in Sources */,

‎LoopFollow/BackgroundRefresh/BT/BLEDeviceSelectionView.swift‎

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Original file line numberDiff line numberDiff line change
@@ -13,20 +13,27 @@ struct BLEDeviceSelectionView: View {
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var body: some View {
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VStack {
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List {
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if bleManager.devices.filter({ selectedFilter.matches($0) && !isSelected($0) }).isEmpty {
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let filteredDevices = bleManager.devices.filter { selectedFilter.matches($0) && !isSelected($0) }
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if filteredDevices.isEmpty {
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Text("No devices found yet. They'll appear here when discovered.")
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.foregroundColor(.secondary)
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.multilineTextAlignment(.center)
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.padding()
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} else {
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ForEach(bleManager.devices.filter { selectedFilter.matches($0) && !isSelected($0) }, id: \.id) { device in
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ForEach(filteredDevices, id: \.id) { device in
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HStack {
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VStack(alignment: .leading) {
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Text(device.name ?? "Unknown")
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Text("RSSI: \(device.rssi) dBm")
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.foregroundColor(.secondary)
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.font(.footnote)
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if let offset = BLEManager.shared.expectedSensorFetchOffsetString(for: device) {
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Text("Expected bg delay: \(offset)")
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.foregroundColor(.secondary)
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.font(.footnote)
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}
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}
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Spacer()
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}

‎LoopFollow/BackgroundRefresh/BT/BLEManager.swift‎

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@@ -213,3 +213,42 @@ extension BLEManager: BluetoothDeviceDelegate {
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TaskScheduler.shared.checkTasksNow()
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}
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}
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extension BLEManager {
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/// Returns the expected sensor fetch offset as a formatted string ("mm:ss (fetch delay: XX sec)")
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/// for Dexcom and RileyLink devices. The expected offset is computed as the sensor's schedule offset plus the polling delay.
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/// The device’s lastSeen time is used (mod cycleDuration) to calculate the effective delay between when the sensor value
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/// becomes available and when the fetch is actually triggered.
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func expectedSensorFetchOffsetString(for device: BLEDevice) -> String? {
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guard
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let matchedType = BackgroundRefreshType.allCases.first(where: { $0.matches(device) }),
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let heartBeatInterval = matchedType.heartBeatInterval,
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let sensorOffset = Storage.shared.sensorScheduleOffset.value
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else {
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return nil
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}
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231+
let heartbeatLast: Date? = {
232+
if matchedType.estimatedDelayBasedOnHeartbeat {
233+
guard device.isConnected, let lastHeartbeat = activeDevice?.lastHeartbeatTime else {
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return nil
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}
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return lastHeartbeat
237+
} else {
238+
return device.lastSeen
239+
}
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}()
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guard let heartbeatLast = heartbeatLast else {
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return nil
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}
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let pollingDelay: TimeInterval = Double(UserDefaultsRepository.bgUpdateDelay.value)
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let expectedOffset = sensorOffset + pollingDelay
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let effectiveDelay = CycleHelper.computeDelay(sensorOffset: expectedOffset, heartbeatLast: heartbeatLast, heartbeatInterval: heartBeatInterval)
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return "\(Int(effectiveDelay)) sec"
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}
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}

‎LoopFollow/BackgroundRefresh/BT/Devices/RileyLinkHeartbeatBluetoothDevice.swift‎

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@@ -27,8 +27,6 @@ class RileyLinkHeartbeatBluetoothDevice: BluetoothDevice {
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override func centralManager(_ central: CBCentralManager, didConnect peripheral: CBPeripheral) {
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super.centralManager(central, didConnect: peripheral)
30-
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self.bluetoothDeviceDelegate?.heartBeat()
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}
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override func peripheral(_ peripheral: CBPeripheral, didUpdateValueFor characteristic: CBCharacteristic, error: Error?) {

‎LoopFollow/BackgroundRefresh/BackgroundRefreshSettingsView.swift‎

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@@ -73,7 +73,7 @@ struct BackgroundRefreshSettingsView: View {
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.foregroundColor(.secondary)
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case .dexcom:
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Text("Requires a Dexcom G6/ONE/G7/ONE+ transmitter within Bluetooth range. Provides updates every 5 minutes and uses less battery than the silent tune method.")
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Text("Requires a Dexcom G6/ONE/G7/ONE+ transmitter within Bluetooth range. Provides updates every 5 minutes and uses less battery than the silent tune method. If you have more than one device to choose from, select the one with the smallest expected bg delay.")
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.font(.footnote)
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.foregroundColor(.secondary)
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}
@@ -97,6 +97,11 @@ struct BackgroundRefreshSettingsView: View {
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.foregroundColor(.secondary)
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.font(.footnote)
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}
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if let offset = BLEManager.shared.expectedSensorFetchOffsetString(for: storedDevice) {
101+
Text("Expected bg delay: \(offset)")
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.foregroundColor(.secondary)
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.font(.footnote)
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}
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HStack {
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Spacer()

‎LoopFollow/BackgroundRefresh/BackgroundRefreshType.swift‎

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@@ -23,6 +23,26 @@ enum BackgroundRefreshType: String, Codable, CaseIterable {
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}
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}
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26+
var heartBeatInterval: TimeInterval? {
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switch self {
28+
case .rileyLink:
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return 60
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case .dexcom:
31+
return 5 * 60
32+
case .silentTune, .none:
33+
return nil
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}
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}
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37+
var estimatedDelayBasedOnHeartbeat: Bool {
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switch self {
39+
case .rileyLink:
40+
return true
41+
case .dexcom, .silentTune, .none:
42+
return false
43+
}
44+
}
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2646
/// Determines if a BLEDevice matches the specific device type
2747
func matches(_ device: BLEDevice) -> Bool {
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switch self {

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