initial

.gitignore

@@ -88,3 +88,5 @@ fastlane/test_output
 # https://github.com/johnno1962/injectionforxcode
 
 iOSInjectionProject/
+
+*.DS_Store

ios_app/iwatch Watch App/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios_app/iwatch Watch App/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,13 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "watchos",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios_app/iwatch Watch App/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios_app/iwatch Watch App/ContentView.swift

@@ -0,0 +1,114 @@
+//
+//  ContentView.swift
+//  iwatch Watch App
+//
+//  Created by 梁丰洲 on 2024/12/15.
+//
+
+import SwiftUI
+import WatchConnectivity
+
+func quaternionToEulerAngles(w: Double, x: Double, y: Double, z: Double) -> (roll: Double, pitch: Double, yaw: Double) {
+    let sinr_cosp = 2.0 * (w * x + y * z)
+    let cosr_cosp = 1.0 - 2.0 * (x * x + y * y)
+    let roll = atan2(sinr_cosp, cosr_cosp)
+
+    let sinp = 2.0 * (w * y - z * x)
+    let pitch: Double
+    if abs(sinp) >= 1 {
+        pitch = sinp > 0 ? Double.pi / 2 : -Double.pi / 2
+    } else {
+        pitch = asin(sinp)
+    }
+
+    let siny_cosp = 2.0 * (w * z + x * y)
+    let cosy_cosp = 1.0 - 2.0 * (y * y + z * z)
+    let yaw = atan2(siny_cosp, cosy_cosp)
+
+    return (roll, pitch, yaw)
+}
+
+struct ContentView: View {
+    @State private var logStarting = false
+    @State private var showAlert = false
+    @ObservedObject var sensorLogger = WatchSensorManager.shared
+
+    var body: some View {
+        VStack {
+            Text("Watch IMU Recorder")
+            Button(action: {
+                if !WCSession.default.isReachable {
+                    self.showAlert = true
+                    return
+                }
+
+                self.logStarting.toggle()
+
+                if self.logStarting {
+                    var samplingFrequency = UserDefaults.standard.integer(forKey: "frequency_preference")
+
+                    if samplingFrequency <= 0 {
+                        samplingFrequency = 30
+                    }
+
+                    print("sampling frequency = \(samplingFrequency) on watch")
+                    self.sensorLogger.startUpdate(Double(samplingFrequency))
+                }
+                else {
+                    self.sensorLogger.stopUpdate()
+                }
+            }) {
+                if self.logStarting {
+                    Image(systemName: "pause.circle")
+                    Text("stop pushing")
+                }
+                else {
+                    Image(systemName: "play.circle")
+                    Text("Push data")
+                }
+            }.alert(isPresented: $showAlert) {
+                Alert(title: Text("Watch Not Active"), message: Text("Please activate your watch by raising your wrist before pushing data."), dismissButton: .default(Text("OK")))
+            }
+        }
+
+        VStack {
+            VStack {
+                Text("Accelerometer").font(.headline)
+                HStack {
+                    Text(String(format: "%.2f", self.sensorLogger.accX))
+                    Spacer()
+                    Text(String(format: "%.2f", self.sensorLogger.accY))
+                    Spacer()
+                    Text(String(format: "%.2f", self.sensorLogger.accZ))
+                }.padding(.horizontal)
+            }
+
+            VStack {
+                Text("Gyroscope").font(.headline)
+                HStack {
+                    Text(String(format: "%.2f", self.sensorLogger.gyrX))
+                    Spacer()
+                    Text(String(format: "%.2f", self.sensorLogger.gyrX))
+                    Spacer()
+                    Text(String(format: "%.2f", self.sensorLogger.gyrX))
+                }.padding(.horizontal)
+            }
+
+            VStack {
+                HStack {
+                    let (roll, pitch, yaw) = quaternionToEulerAngles(w: self.sensorLogger.qatW, x: self.sensorLogger.qatX, y: self.sensorLogger.qatY, z: self.sensorLogger.qatZ)
+
+                    Text(String(format: "%.2f", roll * 180.0 / Double.pi))
+                    Spacer()
+                    Text(String(format: "%.2f", pitch * 180.0 / Double.pi))
+                    Spacer()
+                    Text(String(format: "%.2f", yaw * 180.0 / Double.pi))
+                }.padding(.horizontal)
+            }
+        }
+    }
+}
+
+#Preview {
+    ContentView()
+}

ios_app/iwatch Watch App/ExtendedRuntimeManager.swift

@@ -0,0 +1,53 @@
+//
+//  ExtendedRuntimeManager.swift
+//  phone
+//
+//  Created by 梁丰洲 on 2024/12/16.
+//
+
+import WatchKit
+
+class ExtendedRuntimeManager: NSObject, WKExtendedRuntimeSessionDelegate {
+    static let shared = ExtendedRuntimeManager()
+
+    private var session: WKExtendedRuntimeSession?
+
+    private override init() {
+        super.init()
+    }
+
+    func startSession() {
+        guard session == nil else { return }
+
+        session = WKExtendedRuntimeSession()
+        session?.delegate = self
+        session?.start()
+
+        print("Extended Runtime Session started.")
+    }
+
+    func endSession() {
+        session?.invalidate()
+        session = nil
+
+        print("Extended Runtime Session ended.")
+    }
+
+    // MARK: - WKExtendedRuntimeSessionDelegate
+
+    func extendedRuntimeSessionDidStart(_ extendedRuntimeSession: WKExtendedRuntimeSession) {
+        print("Extended Runtime Session did start.")
+    }
+
+    func extendedRuntimeSessionWillExpire(_ extendedRuntimeSession: WKExtendedRuntimeSession) {
+        print("Extended Runtime Session will expire.")
+    }
+
+    func extendedRuntimeSession(_ extendedRuntimeSession: WKExtendedRuntimeSession, didInvalidateWith reason: WKExtendedRuntimeSessionInvalidationReason, error: Error?) {
+        print("Extended Runtime Session invalidated: \(reason.rawValue), error: \(String(describing: error))")
+        session = nil
+        if reason == .expired {
+            startSession()
+        }
+    }
+}

ios_app/iwatch Watch App/PhoneConnector.swift

@@ -0,0 +1,40 @@
+//
+//  PhoneConnector.swift
+//  phone
+//
+//  Created by 梁丰洲 on 2024/12/15.
+//
+
+import WatchConnectivity
+import WatchKit
+
+class PhoneConnector: NSObject, WCSessionDelegate {
+
+    override init() {
+        super.init()
+        if WCSession.isSupported() {
+            WCSession.default.delegate = self
+            WCSession.default.activate()
+        }
+    }
+
+    func session(_ session: WCSession, activationDidCompleteWith activationState: WCSessionActivationState, error: (any Error)?) {
+        print("watch activationDidCompleteWith state = \(activationState.rawValue)")
+    }
+
+    func sessionReachabilityDidChange(_ session: WCSession) {
+        // 当iPhone或Watch端连通性改变时会调用
+        print("watch sessionReachabilityDidChange")
+    }
+
+    func sendPhoneMessage(data: [String: Any]) {
+        let session = WCSession.default
+        if session.isReachable {
+            session.sendMessage(data, replyHandler: nil, errorHandler: { (error) in
+                print("watch send message to iPhone error: \(error.localizedDescription)")
+            })
+        } else {
+            print("watch session is not reachable")
+        }
+    }
+}

ios_app/iwatch Watch App/Preview Content/Preview Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}