BiasFandClaude Opus 5
b0e7f057b6
Die WattCycle-Batterie meldete sich am FFF0-Dienst, nahm aber keine Kommandos an. Grund: dort ist FFF1 die erste beschreibbare Charakteristik, sie sieht schreibbar aus und bleibt trotzdem stumm – Kommandos gehören auf FFF2. Statt die richtige Charakteristik zu raten, stellt BMSSession jetzt alle Paare aus schreibbarer und benachrichtigender Charakteristik zusammen, jeweils mit und ohne Schreibbestätigung, und arbeitet sie ab, bis eines antwortet. Bekannte Paare (FFF2/FFF1, FF02/FF01, Nordic UART) kommen zuerst dran; ein Kandidat, der sich nicht abonnieren lässt, wird sofort übersprungen. Auf jedem Weg werden weiterhin Daly klassisch, Daly Modbus und JBD angefragt. Die Diagnose zeigt dazu den vollständigen GATT-Baum des Geräts, den gerade versuchten Weg samt Position in der Kandidatenliste sowie Zähler für gesendete Anfragen und empfangene Bytes. Damit lässt sich unterscheiden, ob das BMS die Kommandos gar nicht annimmt oder ein unbekanntes Protokoll spricht. Nebenbei: "caravan" existiert nicht als SF-Symbol und ließ SwiftUI stillschweigend auf Text zurückfallen – in den Demodaten ersetzt. README auf Profile und WattCycle/JBD nachgezogen. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
451 lines
18 KiB
Swift
451 lines
18 KiB
Swift
import CoreBluetooth
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import Foundation
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import Observation
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/// Ein während des Einrichtens gefundenes Gerät.
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struct Discovery: Identifiable, Hashable {
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let id: UUID
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var name: String?
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/// Geglättet, damit die Signalanzeige nicht flackert.
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var rssi: Int
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/// Sortierschlüssel: die Reihenfolge des Auftauchens ist stabil,
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/// die Signalstärke wäre es nicht.
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var firstSeen: Date
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var lastSeen: Date
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var victronRecordType: UInt8?
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var victronProductID: UInt16?
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var looksLikeDaly: Bool
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var isVictron: Bool { victronRecordType != nil }
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var displayName: String {
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if let name, !name.isEmpty { return name }
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return isVictron ? "Victron-Gerät" : "Unbenanntes Gerät"
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}
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var subtitle: String {
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if let type = victronRecordType {
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return "Victron · " + Self.victronRecordName(type)
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}
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if looksLikeDaly { return "Sieht nach Daly BMS aus" }
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return "Bluetooth-Gerät"
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}
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static func victronRecordName(_ type: UInt8) -> String {
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switch VictronAdvertisement.RecordType(rawValue: type) {
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case .solarCharger: return "Solarladeregler"
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case .batteryMonitor: return "Batteriewächter"
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case .inverter: return "Wechselrichter"
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case .dcdcConverter: return "DC/DC-Lader (Orion-TR)"
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case .orionXS: return "Orion XS"
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case .acCharger: return "AC-Ladegerät"
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case .smartLithium: return "Smart Lithium"
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case .smartBatteryProtect: return "Battery Protect"
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case .lynxSmartBMS: return "Lynx Smart BMS"
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case .dcEnergyMeter: return "DC-Energiezähler"
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default: return String(format: "Typ 0x%02X", type)
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}
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}
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}
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/// Was ein Victron-Gerät unverschlüsselt mitsendet. Wird unabhängig vom
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/// Schlüssel gefüllt und hilft, eine falsche Eingabe einzugrenzen.
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struct VictronDiagnostics: Hashable {
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var productID: UInt16
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var recordType: UInt8
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var expectedKeyFirstByte: UInt8
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var nonce: UInt16
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var payloadLength: Int
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var rawHex: String
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var updated: Date
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var recordName: String { Discovery.victronRecordName(recordType) }
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var productIDText: String { String(format: "0x%04X", productID) }
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var expectedKeyText: String { String(format: "0x%02X", expectedKeyFirstByte) }
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}
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/// Was bei der BMS-Verbindung erkannt wurde. Zeigt, ob und welches Protokoll
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/// greift, und gibt die letzte Rohantwort zum Nachsehen aus.
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struct BMSDiagnostics: Hashable {
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var dialect: String
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/// Welche Schreib-/Notify-Kombination gerade versucht wird.
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var endpointLabel: String?
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/// Der wievielte von wie vielen Kandidaten das ist.
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var endpointPosition: Pair?
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var serviceUUID: String?
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/// Vollständiger Dienst-/Merkmalsbaum des Geräts.
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var gattSummary: [String]
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var sentFrames: Int
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var receivedBytes: Int
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var lastResponseHex: String?
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var updated: Date
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struct Pair: Hashable {
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var index: Int
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var total: Int
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init(_ index: Int, _ total: Int) { self.index = index; self.total = total }
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}
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}
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/// Ein Messpunkt für die Verlaufsgrafik.
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struct HistorySample: Identifiable, Hashable {
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let id = UUID()
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let time: Date
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let value: Double
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}
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/// Zentrale Bluetooth-Schicht: scannt dauerhaft nach Victron-Werbedaten und
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/// hält parallel die Verbindung zum Daly-BMS.
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@Observable
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final class BluetoothManager: NSObject {
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private(set) var snapshots: [UUID: DeviceSnapshot] = [:]
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private(set) var linkStates: [UUID: DeviceLinkState] = [:]
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private(set) var discoveries: [UUID: Discovery] = [:]
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private(set) var history: [UUID: [HistorySample]] = [:]
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private(set) var diagnostics: [UUID: VictronDiagnostics] = [:]
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private(set) var bmsDiagnostics: [UUID: BMSDiagnostics] = [:]
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private(set) var isBluetoothReady = false
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private(set) var bluetoothStatusText = "Bluetooth wird gestartet…"
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/// Solange true, werden alle gefundenen Peripherals gesammelt.
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var isDiscovering = false {
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didSet {
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restartScan()
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isDiscovering ? startDiscoveryFlush() : stopDiscoveryFlush()
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}
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}
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private let store: DeviceStore
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private var central: CBCentralManager?
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private var bmsSessions: [UUID: BMSSession] = [:]
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private var connectedPeripherals: [UUID: CBPeripheral] = [:]
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private var reconnectTimer: Timer?
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/// Advertisements treffen mehrmals pro Sekunde und Gerät ein. Sie werden
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/// hier gesammelt und nur im Sekundentakt an die Ansicht durchgereicht –
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/// sonst baut sich die Liste unter dem Finger ständig neu auf.
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private var pendingDiscoveries: [UUID: Discovery] = [:]
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private var discoveryFlushTimer: Timer?
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/// Wieviele Messpunkte je Gerät im Verlauf behalten werden.
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private let historyLimit = 720
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/// Im Demo-Modus wird nichts gefunkt, die Werte kommen aus `DemoData`.
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private let isDemo = DemoData.isEnabled
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init(store: DeviceStore) {
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self.store = store
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super.init()
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if isDemo {
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loadDemoData()
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return
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}
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central = CBCentralManager(delegate: self, queue: .main)
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}
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private func loadDemoData() {
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isBluetoothReady = true
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bluetoothStatusText = "Demo-Modus"
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for snapshot in DemoData.snapshots() {
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snapshots[snapshot.deviceID] = snapshot
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linkStates[snapshot.deviceID] = .live
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if let value = snapshot.primaryMetric?.value {
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history[snapshot.deviceID] = DemoData.history(for: snapshot.deviceID, around: value)
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}
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}
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}
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// MARK: - Steuerung
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func start() {
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guard !isDemo, central?.state == .poweredOn else { return }
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restartScan()
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connectManagedPeripherals()
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scheduleReconnects()
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}
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func stop() {
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guard !isDemo else { return }
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central?.stopScan()
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reconnectTimer?.invalidate()
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reconnectTimer = nil
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stopDiscoveryFlush()
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for (_, session) in bmsSessions { session.stop() }
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for (_, peripheral) in connectedPeripherals { central?.cancelPeripheralConnection(peripheral) }
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bmsSessions.removeAll()
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connectedPeripherals.removeAll()
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}
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/// Nach Änderungen an der Geräteliste aufrufen.
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func refreshConfiguration() {
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guard !isDemo else { return }
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let managed = Set(store.activeDevices.filter { $0.role.transport == .connect }.map(\.peripheralID))
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for (peripheralID, session) in bmsSessions where !managed.contains(peripheralID) {
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session.stop()
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bmsSessions[peripheralID] = nil
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if let peripheral = connectedPeripherals[peripheralID] {
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central?.cancelPeripheralConnection(peripheral)
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connectedPeripherals[peripheralID] = nil
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}
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}
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let known = Set(store.activeDevices.map(\.id))
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snapshots = snapshots.filter { known.contains($0.key) }
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linkStates = linkStates.filter { known.contains($0.key) }
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history = history.filter { known.contains($0.key) }
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diagnostics = diagnostics.filter { known.contains($0.key) }
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bmsDiagnostics = bmsDiagnostics.filter { known.contains($0.key) }
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connectManagedPeripherals()
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restartScan()
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}
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func clearDiscoveries() {
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discoveries.removeAll()
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pendingDiscoveries.removeAll()
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}
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private func startDiscoveryFlush() {
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discoveryFlushTimer?.invalidate()
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discoveryFlushTimer = Timer.scheduledTimer(withTimeInterval: 1, repeats: true) { [weak self] _ in
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guard let self else { return }
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// Verschwundene Geräte erst nach einer Weile fallen lassen, damit
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// ein Eintrag nicht wegen eines verpassten Pakets verschwindet.
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let cutoff = Date().addingTimeInterval(-20)
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self.pendingDiscoveries = self.pendingDiscoveries.filter { $0.value.lastSeen > cutoff }
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self.discoveries = self.pendingDiscoveries
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}
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}
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private func stopDiscoveryFlush() {
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discoveryFlushTimer?.invalidate()
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discoveryFlushTimer = nil
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}
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// MARK: - Scannen
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private func restartScan() {
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guard !isDemo, central?.state == .poweredOn else { return }
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central?.stopScan()
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// Victron sendet seine Werte im Advertisement, also müssen auch
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// Wiederholungen durchgereicht werden.
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central?.scanForPeripherals(
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withServices: nil,
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options: [CBCentralManagerScanOptionAllowDuplicatesKey: true]
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)
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}
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private func connectManagedPeripherals() {
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guard !isDemo, central?.state == .poweredOn else { return }
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for device in store.activeDevices where device.role.transport == .connect {
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connectIfNeeded(device)
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}
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}
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private func connectIfNeeded(_ device: ConfiguredDevice) {
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let peripheralID = device.peripheralID
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if let existing = connectedPeripherals[peripheralID],
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existing.state == .connected || existing.state == .connecting {
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return
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}
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guard let peripheral = central?.retrievePeripherals(withIdentifiers: [peripheralID]).first else {
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linkStates[device.id] = .searching
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return
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}
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connectedPeripherals[peripheralID] = peripheral
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linkStates[device.id] = .connecting
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central?.connect(peripheral, options: nil)
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}
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/// Verbindungen fallen im Fahrzeug regelmässig weg – deshalb regelmässig
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/// nachfassen statt nur auf das Disconnect-Ereignis zu reagieren.
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private func scheduleReconnects() {
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reconnectTimer?.invalidate()
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reconnectTimer = Timer.scheduledTimer(withTimeInterval: 15, repeats: true) { [weak self] _ in
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self?.connectManagedPeripherals()
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}
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}
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// MARK: - Auswertung
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private func record(_ snapshot: DeviceSnapshot) {
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snapshots[snapshot.deviceID] = snapshot
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guard let primary = snapshot.primaryMetric, let value = primary.value else { return }
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var samples = history[snapshot.deviceID] ?? []
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// Höchstens alle fünf Sekunden einen Punkt aufnehmen.
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if let last = samples.last, snapshot.timestamp.timeIntervalSince(last.time) < 5 { return }
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samples.append(HistorySample(time: snapshot.timestamp, value: value))
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if samples.count > historyLimit { samples.removeFirst(samples.count - historyLimit) }
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history[snapshot.deviceID] = samples
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}
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private func handleVictronAdvertisement(_ manufacturerData: Data,
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device: ConfiguredDevice,
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rssi: Int) {
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// Zuerst den unverschlüsselten Rahmen festhalten – gerade wenn der
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// Schlüssel nicht passt, ist das die einzige verwertbare Information.
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if let envelope = VictronAdvertisement.envelope(from: manufacturerData) {
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diagnostics[device.id] = VictronDiagnostics(
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productID: envelope.productID,
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recordType: envelope.recordType,
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expectedKeyFirstByte: envelope.keyCheckByte,
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nonce: envelope.nonce,
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payloadLength: envelope.ciphertext.count,
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rawHex: manufacturerData.map { String(format: "%02X", $0) }.joined(separator: " "),
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updated: Date()
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)
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}
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guard let key = store.victronKeyBytes(for: device.id) else {
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linkStates[device.id] = .needsKey
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return
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}
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do {
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let snapshot = try VictronAdvertisement.decode(manufacturerData: manufacturerData,
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key: key,
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deviceID: device.id,
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rssi: rssi)
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linkStates[device.id] = .live
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record(snapshot)
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} catch let error as VictronAdvertisement.DecodeError {
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switch error {
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case .notVictron:
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break // Fremdes Advertisement desselben Peripherals, ignorieren.
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default:
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linkStates[device.id] = .failed(error.localizedDescription)
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}
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} catch {
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linkStates[device.id] = .failed(error.localizedDescription)
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}
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}
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private func updateDiscovery(peripheral: CBPeripheral,
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advertisementData: [String: Any],
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rssi: Int) {
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let manufacturerData = advertisementData[CBAdvertisementDataManufacturerDataKey] as? Data
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let envelope = manufacturerData.flatMap { VictronAdvertisement.envelope(from: $0) }
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let name = (advertisementData[CBAdvertisementDataLocalNameKey] as? String) ?? peripheral.name
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let existing = pendingDiscoveries[peripheral.identifier]
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var entry = existing ?? Discovery(
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id: peripheral.identifier,
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name: name,
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rssi: rssi,
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firstSeen: Date(),
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lastSeen: Date(),
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victronRecordType: nil,
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victronProductID: nil,
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looksLikeDaly: false
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)
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// Gleitender Mittelwert über die letzten Messungen.
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entry.rssi = existing.map { ($0.rssi * 3 + rssi) / 4 } ?? rssi
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entry.lastSeen = Date()
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if let name, !name.isEmpty { entry.name = name }
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if let envelope {
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entry.victronRecordType = envelope.recordType
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entry.victronProductID = envelope.productID
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}
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entry.looksLikeDaly = Self.looksLikeDaly(name: entry.name)
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pendingDiscoveries[peripheral.identifier] = entry
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}
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/// Die BLE-Module der Daly-BMS melden sich meist als "DL-…" oder tragen
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/// "BMS" im Namen. Nur ein Hinweis für die Liste – auswählbar ist alles.
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private static func looksLikeDaly(name: String?) -> Bool {
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guard let name = name?.lowercased() else { return false }
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return name.hasPrefix("dl-") || name.contains("daly") || name.contains("bms")
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|| name.contains("bulltron") || name.hasPrefix("smart bms")
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}
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}
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// MARK: - CBCentralManagerDelegate
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extension BluetoothManager: CBCentralManagerDelegate {
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func centralManagerDidUpdateState(_ central: CBCentralManager) {
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switch central.state {
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case .poweredOn:
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isBluetoothReady = true
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bluetoothStatusText = "Bereit"
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start()
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case .poweredOff:
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isBluetoothReady = false
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bluetoothStatusText = "Bluetooth ist ausgeschaltet"
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case .unauthorized:
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isBluetoothReady = false
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bluetoothStatusText = "Bluetooth-Zugriff wurde nicht erlaubt"
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case .unsupported:
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isBluetoothReady = false
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bluetoothStatusText = "Dieses Gerät unterstützt kein Bluetooth LE"
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default:
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isBluetoothReady = false
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bluetoothStatusText = "Bluetooth wird gestartet…"
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}
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}
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func centralManager(_ central: CBCentralManager,
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didDiscover peripheral: CBPeripheral,
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advertisementData: [String: Any],
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rssi RSSI: NSNumber) {
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let rssi = RSSI.intValue
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if isDiscovering {
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updateDiscovery(peripheral: peripheral, advertisementData: advertisementData, rssi: rssi)
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}
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guard let device = store.device(withPeripheralID: peripheral.identifier) else { return }
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switch device.role.transport {
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case .advertisement:
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guard let manufacturerData = advertisementData[CBAdvertisementDataManufacturerDataKey] as? Data
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else { return }
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handleVictronAdvertisement(manufacturerData, device: device, rssi: rssi)
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case .connect:
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// Das BMS wurde gesehen – falls die Verbindung fehlt, jetzt aufbauen.
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if connectedPeripherals[peripheral.identifier] == nil {
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connectIfNeeded(device)
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}
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}
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}
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func centralManager(_ central: CBCentralManager, didConnect peripheral: CBPeripheral) {
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guard let device = store.device(withPeripheralID: peripheral.identifier) else { return }
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connectedPeripherals[peripheral.identifier] = peripheral
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let session = BMSSession(
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deviceID: device.id,
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peripheral: peripheral,
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onUpdate: { [weak self] snapshot in self?.record(snapshot) },
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onStateChange: { [weak self] state in self?.linkStates[device.id] = state },
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onDiagnostics: { [weak self] info in self?.bmsDiagnostics[device.id] = info }
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)
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bmsSessions[peripheral.identifier] = session
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session.start()
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}
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func centralManager(_ central: CBCentralManager,
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didFailToConnect peripheral: CBPeripheral,
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error: Error?) {
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if let device = store.device(withPeripheralID: peripheral.identifier) {
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linkStates[device.id] = .failed(error?.localizedDescription ?? "Verbindung fehlgeschlagen")
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}
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connectedPeripherals[peripheral.identifier] = nil
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}
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func centralManager(_ central: CBCentralManager,
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didDisconnectPeripheral peripheral: CBPeripheral,
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error: Error?) {
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bmsSessions[peripheral.identifier]?.handleDisconnect()
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bmsSessions[peripheral.identifier] = nil
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connectedPeripherals[peripheral.identifier] = nil
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if let device = store.device(withPeripheralID: peripheral.identifier) {
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linkStates[device.id] = .searching
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// Direkt wieder anfragen; iOS stellt die Verbindung her, sobald das
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// Gerät wieder in Reichweite ist.
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connectIfNeeded(device)
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}
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}
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}
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