Add physical VU meter hardware support (4 dials)
New features:
- SerialManager for USB/Serial communication with hardware
- Support for 4 physical VU meter dials
- Flexible channel mapping: Audio L/R, Peak, Mono, CPU, RAM, Disk, Network
- Multiple protocols: Raw bytes, Text, JSON, VU-Server compatible
- Per-dial configuration: min/max values, inversion, smoothing
- Hardware panel in main view showing dial status
- Hardware settings sheet for configuration
- Auto-detection of USB serial devices
Protocol formats:
- Raw: [0xAA][D1][D2][D3][D4][0x55]
- Text: CH1:val;CH2:val;CH3:val;CH4:val\n
- JSON: {"dials":[d1,d2,d3,d4]}
- VU-Server: #0:val\n#1:val\n...
This commit is contained in:
Claude
@@ -4,6 +4,7 @@
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//
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// macOS Audio VU Meter with System Monitoring
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// Captures audio from BlackHole virtual audio device
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// Outputs to physical VU meter hardware via Serial/USB
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//
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import SwiftUI
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@@ -12,12 +13,23 @@ import SwiftUI
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struct AudioVUMeterApp: App {
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@StateObject private var audioEngine = AudioEngine()
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@StateObject private var systemMonitor = SystemMonitor()
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@StateObject private var serialManager = SerialManager()
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// Timer for updating hardware values
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@State private var updateTimer: Timer?
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var body: some Scene {
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WindowGroup {
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ContentView()
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.environmentObject(audioEngine)
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.environmentObject(systemMonitor)
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.environmentObject(serialManager)
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.onAppear {
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startHardwareUpdateTimer()
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}
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.onDisappear {
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stopHardwareUpdateTimer()
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}
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}
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.windowStyle(.hiddenTitleBar)
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.windowResizability(.contentSize)
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@@ -25,6 +37,18 @@ struct AudioVUMeterApp: App {
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Settings {
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SettingsView()
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.environmentObject(audioEngine)
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.environmentObject(serialManager)
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}
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}
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private func startHardwareUpdateTimer() {
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updateTimer = Timer.scheduledTimer(withTimeInterval: 1.0/30.0, repeats: true) { _ in
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serialManager.updateValues(audioEngine: audioEngine, systemMonitor: systemMonitor)
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}
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}
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private func stopHardwareUpdateTimer() {
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updateTimer?.invalidate()
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updateTimer = nil
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}
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}
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@@ -2,7 +2,7 @@
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// ContentView.swift
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// AudioVUMeter
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//
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// Main view containing all VU meters
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// Main view containing all VU meters and hardware output
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//
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import SwiftUI
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@@ -10,8 +10,10 @@ import SwiftUI
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struct ContentView: View {
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@EnvironmentObject var audioEngine: AudioEngine
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@EnvironmentObject var systemMonitor: SystemMonitor
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@EnvironmentObject var serialManager: SerialManager
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@State private var showSettings = false
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@State private var showHardwareSettings = false
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var body: some View {
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ZStack {
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@@ -26,185 +28,207 @@ struct ContentView: View {
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)
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.ignoresSafeArea()
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VStack(spacing: 20) {
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// Header
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HStack {
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Text("Audio VU Meter")
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.font(.system(size: 24, weight: .bold, design: .rounded))
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.foregroundColor(.white)
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ScrollView {
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VStack(spacing: 16) {
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// Header
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HStack {
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Text("Audio VU Meter")
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.font(.system(size: 24, weight: .bold, design: .rounded))
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.foregroundColor(.white)
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Spacer()
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Spacer()
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// Settings button
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Button(action: { showSettings.toggle() }) {
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Image(systemName: "gear")
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.font(.system(size: 18))
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// Hardware settings button
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Button(action: { showHardwareSettings.toggle() }) {
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Image(systemName: "cable.connector")
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.font(.system(size: 16))
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.foregroundColor(serialManager.isConnected ? .green : .gray)
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}
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.buttonStyle(.plain)
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.help("Hardware Settings")
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// Settings button
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Button(action: { showSettings.toggle() }) {
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Image(systemName: "gear")
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.font(.system(size: 18))
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.foregroundColor(.gray)
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}
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.buttonStyle(.plain)
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.popover(isPresented: $showSettings) {
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QuickSettingsView()
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.environmentObject(audioEngine)
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}
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}
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.padding(.horizontal)
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.padding(.top, 10)
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// Audio device info
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HStack {
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Circle()
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.fill(audioEngine.isRunning ? Color.green : Color.red)
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.frame(width: 8, height: 8)
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Text(audioEngine.selectedDeviceName)
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.font(.system(size: 12, design: .monospaced))
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.foregroundColor(.gray)
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Spacer()
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Text(audioEngine.isRunning ? "ACTIVE" : "STOPPED")
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.font(.system(size: 10, weight: .semibold, design: .monospaced))
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.foregroundColor(audioEngine.isRunning ? .green : .red)
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}
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.buttonStyle(.plain)
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.popover(isPresented: $showSettings) {
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QuickSettingsView()
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.environmentObject(audioEngine)
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}
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}
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.padding(.horizontal)
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.padding(.top, 10)
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.padding(.horizontal)
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// Audio device info
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HStack {
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Circle()
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.fill(audioEngine.isRunning ? Color.green : Color.red)
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.frame(width: 8, height: 8)
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Divider()
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.background(Color.gray.opacity(0.3))
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Text(audioEngine.selectedDeviceName)
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.font(.system(size: 12, design: .monospaced))
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.foregroundColor(.gray)
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// Audio VU Meters
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VStack(spacing: 15) {
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Text("AUDIO LEVELS")
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.font(.system(size: 11, weight: .semibold, design: .monospaced))
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.foregroundColor(.gray)
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Spacer()
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HStack(spacing: 30) {
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// Left Channel
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VUMeterView(
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level: audioEngine.leftLevel,
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peakLevel: audioEngine.leftPeak,
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label: "L",
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colorScheme: .audio
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)
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Text(audioEngine.isRunning ? "ACTIVE" : "STOPPED")
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.font(.system(size: 10, weight: .semibold, design: .monospaced))
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.foregroundColor(audioEngine.isRunning ? .green : .red)
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}
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.padding(.horizontal)
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Divider()
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.background(Color.gray.opacity(0.3))
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// Audio VU Meters
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VStack(spacing: 15) {
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Text("AUDIO LEVELS")
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.font(.system(size: 11, weight: .semibold, design: .monospaced))
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.foregroundColor(.gray)
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HStack(spacing: 30) {
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// Left Channel
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VUMeterView(
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level: audioEngine.leftLevel,
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peakLevel: audioEngine.leftPeak,
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label: "L",
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colorScheme: .audio
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)
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// Right Channel
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VUMeterView(
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level: audioEngine.rightLevel,
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peakLevel: audioEngine.rightPeak,
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label: "R",
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colorScheme: .audio
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)
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}
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// dB Display
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HStack(spacing: 40) {
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VStack {
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Text(String(format: "%.1f dB", audioEngine.leftLevelDB))
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.font(.system(size: 14, weight: .bold, design: .monospaced))
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.foregroundColor(dbColor(for: audioEngine.leftLevelDB))
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Text("LEFT")
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.font(.system(size: 9, design: .monospaced))
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.foregroundColor(.gray)
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// Right Channel
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VUMeterView(
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level: audioEngine.rightLevel,
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peakLevel: audioEngine.rightPeak,
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label: "R",
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colorScheme: .audio
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)
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}
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VStack {
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Text(String(format: "%.1f dB", audioEngine.rightLevelDB))
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.font(.system(size: 14, weight: .bold, design: .monospaced))
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.foregroundColor(dbColor(for: audioEngine.rightLevelDB))
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Text("RIGHT")
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.font(.system(size: 9, design: .monospaced))
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.foregroundColor(.gray)
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// dB Display
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HStack(spacing: 40) {
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VStack {
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Text(String(format: "%.1f dB", audioEngine.leftLevelDB))
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.font(.system(size: 14, weight: .bold, design: .monospaced))
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.foregroundColor(dbColor(for: audioEngine.leftLevelDB))
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Text("LEFT")
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.font(.system(size: 9, design: .monospaced))
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.foregroundColor(.gray)
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}
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VStack {
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Text(String(format: "%.1f dB", audioEngine.rightLevelDB))
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.font(.system(size: 14, weight: .bold, design: .monospaced))
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.foregroundColor(dbColor(for: audioEngine.rightLevelDB))
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Text("RIGHT")
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.font(.system(size: 9, design: .monospaced))
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.foregroundColor(.gray)
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}
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}
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}
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.padding()
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.background(
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RoundedRectangle(cornerRadius: 12)
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.fill(Color.black.opacity(0.3))
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)
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.padding(.horizontal)
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Divider()
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.background(Color.gray.opacity(0.3))
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// System Monitors
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VStack(spacing: 15) {
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Text("SYSTEM MONITOR")
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.font(.system(size: 11, weight: .semibold, design: .monospaced))
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.foregroundColor(.gray)
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HStack(spacing: 25) {
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// CPU Meter
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SystemMeterView(
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value: systemMonitor.cpuUsage,
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label: "CPU",
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unit: "%",
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colorScheme: .cpu
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)
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// RAM Meter
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SystemMeterView(
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value: systemMonitor.memoryUsage,
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label: "RAM",
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unit: "%",
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colorScheme: .ram
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)
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// Disk I/O Meter
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SystemMeterView(
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value: systemMonitor.diskActivity,
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label: "DISK",
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unit: "%",
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colorScheme: .disk
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)
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// Network Meter
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SystemMeterView(
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value: systemMonitor.networkActivity,
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label: "NET",
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unit: "%",
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colorScheme: .network
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)
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}
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}
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.padding()
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.background(
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RoundedRectangle(cornerRadius: 12)
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.fill(Color.black.opacity(0.3))
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)
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.padding(.horizontal)
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Divider()
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.background(Color.gray.opacity(0.3))
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// Hardware Output Panel
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HardwarePanelView()
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.environmentObject(serialManager)
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// Control buttons
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HStack(spacing: 15) {
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Button(action: {
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if audioEngine.isRunning {
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audioEngine.stop()
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} else {
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audioEngine.start()
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}
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}) {
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HStack {
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Image(systemName: audioEngine.isRunning ? "stop.fill" : "play.fill")
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Text(audioEngine.isRunning ? "Stop" : "Start")
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}
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.frame(width: 80)
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}
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.buttonStyle(ControlButtonStyle(color: audioEngine.isRunning ? .red : .green))
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Button(action: {
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audioEngine.resetPeaks()
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}) {
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HStack {
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Image(systemName: "arrow.counterclockwise")
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Text("Reset")
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}
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.frame(width: 80)
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}
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.buttonStyle(ControlButtonStyle(color: .orange))
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}
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.padding(.bottom, 15)
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}
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.padding()
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.background(
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RoundedRectangle(cornerRadius: 12)
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.fill(Color.black.opacity(0.3))
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)
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.padding(.horizontal)
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Divider()
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.background(Color.gray.opacity(0.3))
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// System Monitors
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VStack(spacing: 15) {
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Text("SYSTEM MONITOR")
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.font(.system(size: 11, weight: .semibold, design: .monospaced))
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.foregroundColor(.gray)
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HStack(spacing: 25) {
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// CPU Meter
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SystemMeterView(
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value: systemMonitor.cpuUsage,
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label: "CPU",
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unit: "%",
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colorScheme: .cpu
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)
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// RAM Meter
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SystemMeterView(
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value: systemMonitor.memoryUsage,
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label: "RAM",
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unit: "%",
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colorScheme: .ram
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)
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// Disk I/O Meter
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SystemMeterView(
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value: systemMonitor.diskActivity,
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label: "DISK",
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unit: "%",
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colorScheme: .disk
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)
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// Network Meter
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SystemMeterView(
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value: systemMonitor.networkActivity,
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label: "NET",
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unit: "%",
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colorScheme: .network
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)
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}
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}
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.padding()
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.background(
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RoundedRectangle(cornerRadius: 12)
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.fill(Color.black.opacity(0.3))
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)
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.padding(.horizontal)
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// Control buttons
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HStack(spacing: 15) {
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Button(action: {
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if audioEngine.isRunning {
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audioEngine.stop()
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} else {
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audioEngine.start()
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}
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}) {
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HStack {
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Image(systemName: audioEngine.isRunning ? "stop.fill" : "play.fill")
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Text(audioEngine.isRunning ? "Stop" : "Start")
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}
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.frame(width: 80)
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}
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.buttonStyle(ControlButtonStyle(color: audioEngine.isRunning ? .red : .green))
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Button(action: {
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audioEngine.resetPeaks()
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}) {
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HStack {
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Image(systemName: "arrow.counterclockwise")
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Text("Reset")
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}
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.frame(width: 80)
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}
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.buttonStyle(ControlButtonStyle(color: .orange))
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}
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.padding(.bottom, 15)
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}
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}
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.frame(width: 400, height: 580)
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.frame(width: 400, height: 750)
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.sheet(isPresented: $showHardwareSettings) {
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HardwareSettingsSheet()
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.environmentObject(serialManager)
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}
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.onAppear {
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audioEngine.start()
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systemMonitor.startMonitoring()
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@@ -212,6 +236,7 @@ struct ContentView: View {
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.onDisappear {
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audioEngine.stop()
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systemMonitor.stopMonitoring()
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serialManager.disconnect()
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}
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}
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@@ -223,6 +248,33 @@ struct ContentView: View {
|
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}
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}
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// MARK: - Hardware Settings Sheet
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struct HardwareSettingsSheet: View {
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@EnvironmentObject var serialManager: SerialManager
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@Environment(\.dismiss) var dismiss
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|
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var body: some View {
|
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VStack(spacing: 0) {
|
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// Header
|
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HStack {
|
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Text("Hardware Configuration")
|
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.font(.headline)
|
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Spacer()
|
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Button("Done") { dismiss() }
|
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}
|
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.padding()
|
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.background(Color(nsColor: .windowBackgroundColor))
|
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|
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Divider()
|
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|
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// Settings content
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HardwareSettingsView()
|
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.environmentObject(serialManager)
|
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}
|
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.frame(width: 500, height: 600)
|
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}
|
||||
}
|
||||
|
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// MARK: - Quick Settings Popover
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struct QuickSettingsView: View {
|
||||
@EnvironmentObject var audioEngine: AudioEngine
|
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@@ -287,4 +339,5 @@ struct ControlButtonStyle: ButtonStyle {
|
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ContentView()
|
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.environmentObject(AudioEngine())
|
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.environmentObject(SystemMonitor())
|
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.environmentObject(SerialManager())
|
||||
}
|
||||
|
||||
@@ -0,0 +1,338 @@
|
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//
|
||||
// HardwareView.swift
|
||||
// AudioVUMeter
|
||||
//
|
||||
// Hardware configuration and monitoring view for physical VU meters
|
||||
//
|
||||
|
||||
import SwiftUI
|
||||
|
||||
// MARK: - Hardware Panel in Main View
|
||||
struct HardwarePanelView: View {
|
||||
@EnvironmentObject var serialManager: SerialManager
|
||||
|
||||
var body: some View {
|
||||
VStack(spacing: 15) {
|
||||
// Header
|
||||
HStack {
|
||||
Text("HARDWARE OUTPUT")
|
||||
.font(.system(size: 11, weight: .semibold, design: .monospaced))
|
||||
.foregroundColor(.gray)
|
||||
|
||||
Spacer()
|
||||
|
||||
// Connection status
|
||||
HStack(spacing: 6) {
|
||||
Circle()
|
||||
.fill(serialManager.isConnected ? Color.green : Color.red)
|
||||
.frame(width: 8, height: 8)
|
||||
|
||||
Text(serialManager.isConnected ? "CONNECTED" : "DISCONNECTED")
|
||||
.font(.system(size: 9, weight: .semibold, design: .monospaced))
|
||||
.foregroundColor(serialManager.isConnected ? .green : .red)
|
||||
}
|
||||
}
|
||||
|
||||
// 4 Physical Dial Indicators
|
||||
HStack(spacing: 15) {
|
||||
ForEach(0..<4) { index in
|
||||
DialIndicatorView(
|
||||
dialNumber: index + 1,
|
||||
value: serialManager.dialValues[index],
|
||||
channelName: shortChannelName(serialManager.dialConfigs[index].dialChannel),
|
||||
isConnected: serialManager.isConnected
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
// Quick connect button
|
||||
Button(action: {
|
||||
serialManager.toggleConnection()
|
||||
}) {
|
||||
HStack {
|
||||
Image(systemName: serialManager.isConnected ? "antenna.radiowaves.left.and.right.slash" : "antenna.radiowaves.left.and.right")
|
||||
Text(serialManager.isConnected ? "Disconnect" : "Connect")
|
||||
}
|
||||
.frame(maxWidth: .infinity)
|
||||
}
|
||||
.buttonStyle(HardwareButtonStyle(isConnected: serialManager.isConnected))
|
||||
|
||||
// Stats
|
||||
if serialManager.isConnected {
|
||||
HStack {
|
||||
Text("TX: \(formatBytes(serialManager.bytesSent))")
|
||||
.font(.system(size: 9, design: .monospaced))
|
||||
.foregroundColor(.gray)
|
||||
|
||||
Spacer()
|
||||
|
||||
Text(serialManager.selectedPortPath.components(separatedBy: "/").last ?? "")
|
||||
.font(.system(size: 9, design: .monospaced))
|
||||
.foregroundColor(.gray)
|
||||
}
|
||||
}
|
||||
}
|
||||
.padding()
|
||||
.background(
|
||||
RoundedRectangle(cornerRadius: 12)
|
||||
.fill(Color.black.opacity(0.3))
|
||||
.overlay(
|
||||
RoundedRectangle(cornerRadius: 12)
|
||||
.stroke(serialManager.isConnected ? Color.green.opacity(0.3) : Color.clear, lineWidth: 1)
|
||||
)
|
||||
)
|
||||
.padding(.horizontal)
|
||||
}
|
||||
|
||||
private func shortChannelName(_ channel: DialChannel) -> String {
|
||||
switch channel {
|
||||
case .audioLeft: return "L"
|
||||
case .audioRight: return "R"
|
||||
case .audioPeak: return "PK"
|
||||
case .audioMono: return "M"
|
||||
case .cpu: return "CPU"
|
||||
case .ram: return "RAM"
|
||||
case .disk: return "DSK"
|
||||
case .network: return "NET"
|
||||
}
|
||||
}
|
||||
|
||||
private func formatBytes(_ bytes: UInt64) -> String {
|
||||
if bytes < 1024 { return "\(bytes) B" }
|
||||
if bytes < 1024 * 1024 { return String(format: "%.1f KB", Double(bytes) / 1024) }
|
||||
return String(format: "%.1f MB", Double(bytes) / (1024 * 1024))
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - Single Dial Indicator
|
||||
struct DialIndicatorView: View {
|
||||
let dialNumber: Int
|
||||
let value: Int
|
||||
let channelName: String
|
||||
let isConnected: Bool
|
||||
|
||||
var body: some View {
|
||||
VStack(spacing: 4) {
|
||||
// Dial number
|
||||
Text("D\(dialNumber)")
|
||||
.font(.system(size: 10, weight: .bold, design: .monospaced))
|
||||
.foregroundColor(.white.opacity(0.7))
|
||||
|
||||
// Value arc
|
||||
ZStack {
|
||||
// Background arc
|
||||
Circle()
|
||||
.trim(from: 0.25, to: 0.75)
|
||||
.stroke(Color.gray.opacity(0.2), lineWidth: 4)
|
||||
.frame(width: 50, height: 50)
|
||||
.rotationEffect(.degrees(180))
|
||||
|
||||
// Value arc
|
||||
Circle()
|
||||
.trim(from: 0.25, to: 0.25 + (Double(value) / 255.0) * 0.5)
|
||||
.stroke(
|
||||
isConnected ? dialColor(for: value) : Color.gray,
|
||||
style: StrokeStyle(lineWidth: 4, lineCap: .round)
|
||||
)
|
||||
.frame(width: 50, height: 50)
|
||||
.rotationEffect(.degrees(180))
|
||||
|
||||
// Value text
|
||||
VStack(spacing: 0) {
|
||||
Text("\(value)")
|
||||
.font(.system(size: 14, weight: .bold, design: .monospaced))
|
||||
.foregroundColor(isConnected ? .white : .gray)
|
||||
}
|
||||
}
|
||||
|
||||
// Channel name
|
||||
Text(channelName)
|
||||
.font(.system(size: 9, weight: .semibold, design: .monospaced))
|
||||
.foregroundColor(channelColor(channelName))
|
||||
}
|
||||
}
|
||||
|
||||
private func dialColor(for value: Int) -> Color {
|
||||
let ratio = Double(value) / 255.0
|
||||
if ratio > 0.9 { return .red }
|
||||
if ratio > 0.75 { return .orange }
|
||||
if ratio > 0.5 { return .yellow }
|
||||
return .green
|
||||
}
|
||||
|
||||
private func channelColor(_ name: String) -> Color {
|
||||
switch name {
|
||||
case "L", "R", "PK", "M": return .green
|
||||
case "CPU": return .blue
|
||||
case "RAM": return .purple
|
||||
case "DSK": return .teal
|
||||
case "NET": return .indigo
|
||||
default: return .gray
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - Hardware Settings View
|
||||
struct HardwareSettingsView: View {
|
||||
@EnvironmentObject var serialManager: SerialManager
|
||||
|
||||
var body: some View {
|
||||
Form {
|
||||
// Connection Section
|
||||
Section("Serial Connection") {
|
||||
// Port selection
|
||||
HStack {
|
||||
Picker("Port", selection: $serialManager.selectedPortPath) {
|
||||
Text("Select Port...").tag("")
|
||||
ForEach(serialManager.availablePorts) { port in
|
||||
Text(port.name).tag(port.path)
|
||||
}
|
||||
}
|
||||
|
||||
Button(action: { serialManager.refreshPorts() }) {
|
||||
Image(systemName: "arrow.clockwise")
|
||||
}
|
||||
.buttonStyle(.borderless)
|
||||
}
|
||||
|
||||
// Baud rate
|
||||
Picker("Baud Rate", selection: $serialManager.baudRate) {
|
||||
ForEach(SerialManager.availableBaudRates, id: \.self) { rate in
|
||||
Text("\(rate)").tag(rate)
|
||||
}
|
||||
}
|
||||
|
||||
// Protocol
|
||||
Picker("Protocol", selection: $serialManager.selectedProtocol) {
|
||||
ForEach(SerialProtocol.allCases) { proto in
|
||||
Text(proto.rawValue).tag(proto)
|
||||
}
|
||||
}
|
||||
|
||||
// Connect button
|
||||
Button(action: { serialManager.toggleConnection() }) {
|
||||
HStack {
|
||||
Image(systemName: serialManager.isConnected ? "bolt.slash.fill" : "bolt.fill")
|
||||
Text(serialManager.isConnected ? "Disconnect" : "Connect")
|
||||
}
|
||||
}
|
||||
.foregroundColor(serialManager.isConnected ? .red : .green)
|
||||
}
|
||||
|
||||
// Dial Configuration Section
|
||||
Section("Dial Assignments") {
|
||||
ForEach(0..<4) { index in
|
||||
DialConfigRow(
|
||||
dialNumber: index + 1,
|
||||
config: $serialManager.dialConfigs[index]
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
// Advanced Settings
|
||||
Section("Advanced") {
|
||||
ForEach(0..<4) { index in
|
||||
DisclosureGroup("Dial \(index + 1) Settings") {
|
||||
HStack {
|
||||
Text("Min Value")
|
||||
Spacer()
|
||||
TextField("0", value: $serialManager.dialConfigs[index].minValue, format: .number)
|
||||
.frame(width: 60)
|
||||
.textFieldStyle(.roundedBorder)
|
||||
}
|
||||
|
||||
HStack {
|
||||
Text("Max Value")
|
||||
Spacer()
|
||||
TextField("255", value: $serialManager.dialConfigs[index].maxValue, format: .number)
|
||||
.frame(width: 60)
|
||||
.textFieldStyle(.roundedBorder)
|
||||
}
|
||||
|
||||
Toggle("Invert", isOn: $serialManager.dialConfigs[index].inverted)
|
||||
|
||||
HStack {
|
||||
Text("Smoothing")
|
||||
Slider(value: $serialManager.dialConfigs[index].smoothing, in: 0...0.9)
|
||||
Text("\(Int(serialManager.dialConfigs[index].smoothing * 100))%")
|
||||
.frame(width: 40)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Protocol Info
|
||||
Section("Protocol Reference") {
|
||||
VStack(alignment: .leading, spacing: 8) {
|
||||
protocolInfo
|
||||
}
|
||||
.font(.system(size: 11, design: .monospaced))
|
||||
.foregroundColor(.secondary)
|
||||
}
|
||||
}
|
||||
.formStyle(.grouped)
|
||||
}
|
||||
|
||||
@ViewBuilder
|
||||
private var protocolInfo: some View {
|
||||
switch serialManager.selectedProtocol {
|
||||
case .rawBytes:
|
||||
Text("Format: [0xAA] [D1] [D2] [D3] [D4] [0x55]")
|
||||
Text("Values: 0-255 per dial")
|
||||
case .textCommand:
|
||||
Text("Format: CH1:val;CH2:val;CH3:val;CH4:val\\n")
|
||||
Text("Values: 0-255 per channel")
|
||||
case .json:
|
||||
Text("Format: {\"dials\":[d1,d2,d3,d4]}\\n")
|
||||
Text("Values: 0-255 array")
|
||||
case .vuServer:
|
||||
Text("Format: #0:val\\n#1:val\\n#2:val\\n#3:val\\n")
|
||||
Text("Values: 0-100 percentage per dial")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - Dial Config Row
|
||||
struct DialConfigRow: View {
|
||||
let dialNumber: Int
|
||||
@Binding var config: DialConfig
|
||||
|
||||
var body: some View {
|
||||
HStack {
|
||||
Text("Dial \(dialNumber)")
|
||||
.font(.system(.body, design: .monospaced))
|
||||
.frame(width: 60, alignment: .leading)
|
||||
|
||||
Picker("", selection: $config.dialChannel) {
|
||||
ForEach(DialChannel.allCases) { channel in
|
||||
Text(channel.rawValue).tag(channel)
|
||||
}
|
||||
}
|
||||
.labelsHidden()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - Hardware Button Style
|
||||
struct HardwareButtonStyle: ButtonStyle {
|
||||
let isConnected: Bool
|
||||
|
||||
func makeBody(configuration: Configuration) -> some View {
|
||||
configuration.label
|
||||
.font(.system(size: 12, weight: .semibold))
|
||||
.foregroundColor(.white)
|
||||
.padding(.vertical, 8)
|
||||
.background(
|
||||
RoundedRectangle(cornerRadius: 8)
|
||||
.fill(isConnected ? Color.red.opacity(0.7) : Color.green.opacity(0.7))
|
||||
.opacity(configuration.isPressed ? 0.6 : 1.0)
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - Preview
|
||||
#Preview {
|
||||
HardwareSettingsView()
|
||||
.environmentObject(SerialManager())
|
||||
.frame(width: 450, height: 600)
|
||||
}
|
||||
@@ -0,0 +1,420 @@
|
||||
//
|
||||
// SerialManager.swift
|
||||
// AudioVUMeter
|
||||
//
|
||||
// Serial communication manager for physical VU meter hardware
|
||||
// Supports multiple protocols: Raw bytes, Text commands, JSON, VU-Server compatible
|
||||
//
|
||||
|
||||
import Foundation
|
||||
import IOKit
|
||||
import IOKit.serial
|
||||
|
||||
/// Protocol format for serial communication
|
||||
enum SerialProtocol: String, CaseIterable, Identifiable {
|
||||
case rawBytes = "Raw Bytes (0-255)"
|
||||
case textCommand = "Text Commands"
|
||||
case json = "JSON Format"
|
||||
case vuServer = "VU-Server Compatible"
|
||||
|
||||
var id: String { rawValue }
|
||||
}
|
||||
|
||||
/// Represents a serial port device
|
||||
struct SerialPort: Identifiable, Hashable {
|
||||
let id: String
|
||||
let path: String
|
||||
let name: String
|
||||
}
|
||||
|
||||
/// Channel assignment for physical VU meters
|
||||
enum DialChannel: String, CaseIterable, Identifiable {
|
||||
case audioLeft = "Audio Left"
|
||||
case audioRight = "Audio Right"
|
||||
case cpu = "CPU Usage"
|
||||
case ram = "RAM Usage"
|
||||
case disk = "Disk Activity"
|
||||
case network = "Network Activity"
|
||||
case audioPeak = "Audio Peak"
|
||||
case audioMono = "Audio Mono (L+R)"
|
||||
|
||||
var id: String { rawValue }
|
||||
}
|
||||
|
||||
/// Configuration for a single dial
|
||||
struct DialConfig: Identifiable, Codable {
|
||||
let id: Int
|
||||
var channel: String
|
||||
var minValue: Int
|
||||
var maxValue: Int
|
||||
var inverted: Bool
|
||||
var smoothing: Double
|
||||
|
||||
init(id: Int, channel: DialChannel = .audioLeft) {
|
||||
self.id = id
|
||||
self.channel = channel.rawValue
|
||||
self.minValue = 0
|
||||
self.maxValue = 255
|
||||
self.inverted = false
|
||||
self.smoothing = 0.3
|
||||
}
|
||||
}
|
||||
|
||||
/// Serial communication manager
|
||||
class SerialManager: ObservableObject {
|
||||
// MARK: - Published Properties
|
||||
|
||||
@Published var isConnected = false
|
||||
@Published var availablePorts: [SerialPort] = []
|
||||
@Published var selectedPortPath: String = ""
|
||||
@Published var selectedProtocol: SerialProtocol = .vuServer
|
||||
@Published var baudRate: Int = 115200
|
||||
@Published var dialConfigs: [DialConfig] = []
|
||||
@Published var lastError: String?
|
||||
@Published var bytesSent: UInt64 = 0
|
||||
|
||||
// Current dial values (0-255)
|
||||
@Published var dialValues: [Int] = [0, 0, 0, 0]
|
||||
|
||||
// MARK: - Private Properties
|
||||
|
||||
private var fileDescriptor: Int32 = -1
|
||||
private var writeQueue = DispatchQueue(label: "serial.write", qos: .userInteractive)
|
||||
private var updateTimer: Timer?
|
||||
private let updateInterval: TimeInterval = 1.0 / 30.0 // 30 Hz update rate
|
||||
|
||||
// Smoothed values for each dial
|
||||
private var smoothedValues: [Double] = [0, 0, 0, 0]
|
||||
|
||||
// MARK: - Initialization
|
||||
|
||||
init() {
|
||||
// Initialize 4 dial configurations with default assignments
|
||||
dialConfigs = [
|
||||
DialConfig(id: 0, channel: .audioLeft),
|
||||
DialConfig(id: 1, channel: .audioRight),
|
||||
DialConfig(id: 2, channel: .cpu),
|
||||
DialConfig(id: 3, channel: .ram)
|
||||
]
|
||||
|
||||
refreshPorts()
|
||||
}
|
||||
|
||||
deinit {
|
||||
disconnect()
|
||||
}
|
||||
|
||||
// MARK: - Port Management
|
||||
|
||||
/// Refresh list of available serial ports
|
||||
func refreshPorts() {
|
||||
availablePorts = getSerialPorts()
|
||||
|
||||
// Auto-select first port if none selected
|
||||
if selectedPortPath.isEmpty, let firstPort = availablePorts.first {
|
||||
selectedPortPath = firstPort.path
|
||||
}
|
||||
}
|
||||
|
||||
/// Get all available serial ports
|
||||
private func getSerialPorts() -> [SerialPort] {
|
||||
var ports: [SerialPort] = []
|
||||
|
||||
var iterator: io_iterator_t = 0
|
||||
let matchingDict = IOServiceMatching(kIOSerialBSDServiceValue)
|
||||
|
||||
let result = IOServiceGetMatchingServices(kIOMainPortDefault, matchingDict, &iterator)
|
||||
guard result == KERN_SUCCESS else { return ports }
|
||||
|
||||
var service: io_object_t = IOIteratorNext(iterator)
|
||||
while service != 0 {
|
||||
defer {
|
||||
IOObjectRelease(service)
|
||||
service = IOIteratorNext(iterator)
|
||||
}
|
||||
|
||||
// Get device path
|
||||
guard let pathKey = IORegistryEntryCreateCFProperty(
|
||||
service,
|
||||
kIOCalloutDeviceKey as CFString,
|
||||
kCFAllocatorDefault,
|
||||
0
|
||||
)?.takeRetainedValue() as? String else { continue }
|
||||
|
||||
// Get device name
|
||||
var name = pathKey.components(separatedBy: "/").last ?? "Unknown"
|
||||
|
||||
// Try to get a better name from USB info
|
||||
if let usbName = IORegistryEntryCreateCFProperty(
|
||||
service,
|
||||
"USB Product Name" as CFString,
|
||||
kCFAllocatorDefault,
|
||||
0
|
||||
)?.takeRetainedValue() as? String {
|
||||
name = usbName
|
||||
}
|
||||
|
||||
// Filter for common serial devices
|
||||
if pathKey.contains("cu.") {
|
||||
ports.append(SerialPort(
|
||||
id: pathKey,
|
||||
path: pathKey,
|
||||
name: name
|
||||
))
|
||||
}
|
||||
}
|
||||
|
||||
IOObjectRelease(iterator)
|
||||
return ports
|
||||
}
|
||||
|
||||
// MARK: - Connection Management
|
||||
|
||||
/// Connect to selected serial port
|
||||
func connect() {
|
||||
guard !selectedPortPath.isEmpty else {
|
||||
lastError = "No port selected"
|
||||
return
|
||||
}
|
||||
|
||||
// Open serial port
|
||||
fileDescriptor = open(selectedPortPath, O_RDWR | O_NOCTTY | O_NONBLOCK)
|
||||
|
||||
guard fileDescriptor != -1 else {
|
||||
lastError = "Failed to open port: \(String(cString: strerror(errno)))"
|
||||
return
|
||||
}
|
||||
|
||||
// Configure serial port
|
||||
var options = termios()
|
||||
tcgetattr(fileDescriptor, &options)
|
||||
|
||||
// Set baud rate
|
||||
let speed = getBaudRateConstant(baudRate)
|
||||
cfsetispeed(&options, speed)
|
||||
cfsetospeed(&options, speed)
|
||||
|
||||
// Configure 8N1
|
||||
options.c_cflag &= ~UInt(PARENB) // No parity
|
||||
options.c_cflag &= ~UInt(CSTOPB) // 1 stop bit
|
||||
options.c_cflag &= ~UInt(CSIZE)
|
||||
options.c_cflag |= UInt(CS8) // 8 data bits
|
||||
|
||||
// Enable receiver, ignore modem control lines
|
||||
options.c_cflag |= UInt(CREAD | CLOCAL)
|
||||
|
||||
// Raw input
|
||||
options.c_lflag &= ~UInt(ICANON | ECHO | ECHOE | ISIG)
|
||||
|
||||
// Raw output
|
||||
options.c_oflag &= ~UInt(OPOST)
|
||||
|
||||
// Apply settings
|
||||
tcsetattr(fileDescriptor, TCSANOW, &options)
|
||||
|
||||
// Clear any pending data
|
||||
tcflush(fileDescriptor, TCIOFLUSH)
|
||||
|
||||
isConnected = true
|
||||
lastError = nil
|
||||
|
||||
print("Connected to \(selectedPortPath) at \(baudRate) baud")
|
||||
|
||||
// Start update timer
|
||||
startUpdateTimer()
|
||||
}
|
||||
|
||||
/// Disconnect from serial port
|
||||
func disconnect() {
|
||||
stopUpdateTimer()
|
||||
|
||||
if fileDescriptor != -1 {
|
||||
close(fileDescriptor)
|
||||
fileDescriptor = -1
|
||||
}
|
||||
|
||||
isConnected = false
|
||||
print("Disconnected from serial port")
|
||||
}
|
||||
|
||||
/// Toggle connection state
|
||||
func toggleConnection() {
|
||||
if isConnected {
|
||||
disconnect()
|
||||
} else {
|
||||
connect()
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - Data Transmission
|
||||
|
||||
/// Update dial values from audio and system monitors
|
||||
func updateValues(audioEngine: AudioEngine, systemMonitor: SystemMonitor) {
|
||||
for (index, config) in dialConfigs.enumerated() {
|
||||
guard index < 4 else { break }
|
||||
|
||||
var rawValue: Double = 0
|
||||
|
||||
// Get value based on channel assignment
|
||||
switch DialChannel(rawValue: config.channel) ?? .audioLeft {
|
||||
case .audioLeft:
|
||||
rawValue = audioEngine.leftLevel * 100
|
||||
case .audioRight:
|
||||
rawValue = audioEngine.rightLevel * 100
|
||||
case .audioPeak:
|
||||
rawValue = max(audioEngine.leftPeak, audioEngine.rightPeak) * 100
|
||||
case .audioMono:
|
||||
rawValue = ((audioEngine.leftLevel + audioEngine.rightLevel) / 2) * 100
|
||||
case .cpu:
|
||||
rawValue = systemMonitor.cpuUsage
|
||||
case .ram:
|
||||
rawValue = systemMonitor.memoryUsage
|
||||
case .disk:
|
||||
rawValue = systemMonitor.diskActivity
|
||||
case .network:
|
||||
rawValue = systemMonitor.networkActivity
|
||||
}
|
||||
|
||||
// Apply smoothing
|
||||
let smoothing = config.smoothing
|
||||
smoothedValues[index] = smoothedValues[index] * smoothing + rawValue * (1 - smoothing)
|
||||
|
||||
// Map to dial range
|
||||
var mappedValue = Int((smoothedValues[index] / 100.0) * Double(config.maxValue - config.minValue)) + config.minValue
|
||||
|
||||
// Apply inversion if needed
|
||||
if config.inverted {
|
||||
mappedValue = config.maxValue - mappedValue + config.minValue
|
||||
}
|
||||
|
||||
// Clamp to valid range
|
||||
dialValues[index] = max(config.minValue, min(config.maxValue, mappedValue))
|
||||
}
|
||||
}
|
||||
|
||||
/// Send current values to hardware
|
||||
func sendValues() {
|
||||
guard isConnected, fileDescriptor != -1 else { return }
|
||||
|
||||
writeQueue.async { [weak self] in
|
||||
guard let self = self else { return }
|
||||
|
||||
let data: Data
|
||||
|
||||
switch self.selectedProtocol {
|
||||
case .rawBytes:
|
||||
data = self.formatRawBytes()
|
||||
case .textCommand:
|
||||
data = self.formatTextCommand()
|
||||
case .json:
|
||||
data = self.formatJSON()
|
||||
case .vuServer:
|
||||
data = self.formatVUServer()
|
||||
}
|
||||
|
||||
self.writeData(data)
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - Protocol Formatters
|
||||
|
||||
/// Format as raw bytes: [0xAA, ch1, ch2, ch3, ch4, 0x55]
|
||||
private func formatRawBytes() -> Data {
|
||||
var bytes: [UInt8] = [0xAA] // Start marker
|
||||
for value in dialValues {
|
||||
bytes.append(UInt8(clamping: value))
|
||||
}
|
||||
bytes.append(0x55) // End marker
|
||||
return Data(bytes)
|
||||
}
|
||||
|
||||
/// Format as text commands: "CH1:128;CH2:64;CH3:200;CH4:32\n"
|
||||
private func formatTextCommand() -> Data {
|
||||
let commands = dialValues.enumerated().map { "CH\($0 + 1):\($1)" }
|
||||
let message = commands.joined(separator: ";") + "\n"
|
||||
return message.data(using: .utf8) ?? Data()
|
||||
}
|
||||
|
||||
/// Format as JSON: {"dials":[128,64,200,32]}
|
||||
private func formatJSON() -> Data {
|
||||
let json: [String: Any] = ["dials": dialValues]
|
||||
if let data = try? JSONSerialization.data(withJSONObject: json, options: []) {
|
||||
return data + "\n".data(using: .utf8)!
|
||||
}
|
||||
return Data()
|
||||
}
|
||||
|
||||
/// Format for VU-Server compatible hardware
|
||||
/// Protocol: #<dial_id>:<value>\n
|
||||
private func formatVUServer() -> Data {
|
||||
var message = ""
|
||||
for (index, value) in dialValues.enumerated() {
|
||||
// VU-Server uses percentage values 0-100
|
||||
let percentage = (value * 100) / 255
|
||||
message += "#\(index):\(percentage)\n"
|
||||
}
|
||||
return message.data(using: .utf8) ?? Data()
|
||||
}
|
||||
|
||||
// MARK: - Low-level I/O
|
||||
|
||||
/// Write data to serial port
|
||||
private func writeData(_ data: Data) {
|
||||
guard !data.isEmpty else { return }
|
||||
|
||||
data.withUnsafeBytes { buffer in
|
||||
guard let baseAddress = buffer.baseAddress else { return }
|
||||
let written = write(fileDescriptor, baseAddress, data.count)
|
||||
|
||||
if written > 0 {
|
||||
DispatchQueue.main.async {
|
||||
self.bytesSent += UInt64(written)
|
||||
}
|
||||
} else if written < 0 {
|
||||
let error = String(cString: strerror(errno))
|
||||
DispatchQueue.main.async {
|
||||
self.lastError = "Write error: \(error)"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - Timer Management
|
||||
|
||||
private func startUpdateTimer() {
|
||||
stopUpdateTimer()
|
||||
updateTimer = Timer.scheduledTimer(withTimeInterval: updateInterval, repeats: true) { [weak self] _ in
|
||||
self?.sendValues()
|
||||
}
|
||||
}
|
||||
|
||||
private func stopUpdateTimer() {
|
||||
updateTimer?.invalidate()
|
||||
updateTimer = nil
|
||||
}
|
||||
|
||||
// MARK: - Helpers
|
||||
|
||||
private func getBaudRateConstant(_ rate: Int) -> speed_t {
|
||||
switch rate {
|
||||
case 9600: return speed_t(B9600)
|
||||
case 19200: return speed_t(B19200)
|
||||
case 38400: return speed_t(B38400)
|
||||
case 57600: return speed_t(B57600)
|
||||
case 115200: return speed_t(B115200)
|
||||
case 230400: return speed_t(B230400)
|
||||
default: return speed_t(B115200)
|
||||
}
|
||||
}
|
||||
|
||||
/// Available baud rates
|
||||
static let availableBaudRates = [9600, 19200, 38400, 57600, 115200, 230400]
|
||||
}
|
||||
|
||||
// MARK: - Dial Config Channel Extension
|
||||
extension DialConfig {
|
||||
var dialChannel: DialChannel {
|
||||
get { DialChannel(rawValue: channel) ?? .audioLeft }
|
||||
set { channel = newValue.rawValue }
|
||||
}
|
||||
}
|
||||
@@ -2,13 +2,14 @@
|
||||
// SettingsView.swift
|
||||
// AudioVUMeter
|
||||
//
|
||||
// Settings window for configuring audio device and preferences
|
||||
// Settings window for configuring audio device, hardware output, and preferences
|
||||
//
|
||||
|
||||
import SwiftUI
|
||||
|
||||
struct SettingsView: View {
|
||||
@EnvironmentObject var audioEngine: AudioEngine
|
||||
@EnvironmentObject var serialManager: SerialManager
|
||||
|
||||
@AppStorage("showPeakIndicator") private var showPeakIndicator = true
|
||||
@AppStorage("meterStyle") private var meterStyle = "classic"
|
||||
@@ -62,6 +63,13 @@ struct SettingsView: View {
|
||||
Label("Audio", systemImage: "waveform")
|
||||
}
|
||||
|
||||
// Hardware Settings
|
||||
HardwareSettingsView()
|
||||
.environmentObject(serialManager)
|
||||
.tabItem {
|
||||
Label("Hardware", systemImage: "cable.connector")
|
||||
}
|
||||
|
||||
// Display Settings
|
||||
Form {
|
||||
Section("Meter Display") {
|
||||
@@ -98,33 +106,40 @@ struct SettingsView: View {
|
||||
.font(.title)
|
||||
.fontWeight(.bold)
|
||||
|
||||
Text("Version 1.0.0")
|
||||
Text("Version 1.1.0")
|
||||
.foregroundColor(.secondary)
|
||||
|
||||
Divider()
|
||||
.frame(width: 200)
|
||||
|
||||
Text("A macOS audio level meter with system monitoring capabilities.")
|
||||
.multilineTextAlignment(.center)
|
||||
.foregroundColor(.secondary)
|
||||
.frame(width: 300)
|
||||
VStack(spacing: 8) {
|
||||
Text("A macOS audio level meter with system monitoring")
|
||||
Text("and physical VU meter hardware support.")
|
||||
}
|
||||
.multilineTextAlignment(.center)
|
||||
.foregroundColor(.secondary)
|
||||
.frame(width: 300)
|
||||
|
||||
Spacer()
|
||||
|
||||
Text("For use with BlackHole virtual audio device")
|
||||
.font(.caption)
|
||||
.foregroundColor(.secondary)
|
||||
VStack(spacing: 4) {
|
||||
Text("Supports BlackHole virtual audio device")
|
||||
Text("and USB/Serial VU meter hardware")
|
||||
}
|
||||
.font(.caption)
|
||||
.foregroundColor(.secondary)
|
||||
}
|
||||
.padding()
|
||||
.tabItem {
|
||||
Label("About", systemImage: "info.circle")
|
||||
}
|
||||
}
|
||||
.frame(width: 450, height: 300)
|
||||
.frame(width: 500, height: 400)
|
||||
}
|
||||
}
|
||||
|
||||
#Preview {
|
||||
SettingsView()
|
||||
.environmentObject(AudioEngine())
|
||||
.environmentObject(SerialManager())
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user