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This commit is contained in:
Simon Oberzier
2026-02-20 20:50:24 +01:00
commit 3c2c562983
14 changed files with 725 additions and 0 deletions
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11
mcrl-app/Assets.xcassets/AccentColor.colorset/Contents.json Normal file
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{
"colors" : [
{
"idiom" : "universal"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}

35
mcrl-app/Assets.xcassets/AppIcon.appiconset/Contents.json Normal file
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{
"images" : [
{
"idiom" : "universal",
"platform" : "ios",
"size" : "1024x1024"
},
{
"appearances" : [
{
"appearance" : "luminosity",
"value" : "dark"
}
],
"idiom" : "universal",
"platform" : "ios",
"size" : "1024x1024"
},
{
"appearances" : [
{
"appearance" : "luminosity",
"value" : "tinted"
}
],
"idiom" : "universal",
"platform" : "ios",
"size" : "1024x1024"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}

6
mcrl-app/Assets.xcassets/Contents.json Normal file
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{
"info" : {
"author" : "xcode",
"version" : 1
}
}

115
mcrl-app/BluetoothManager.swift Normal file
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//
// BluetoothManager.swift
// mcrl-app
//
// Created by Simon Oberzier on 17.02.26.
//
import CoreBluetooth
import Combine
class BluetoothManager: NSObject, ObservableObject {
@Published var sensorValues = SensorData()
@Published var connectionStatus = "Disconnected"
var centralManager: CBCentralManager!
var picoPeripheral: CBPeripheral?
let serviceUUID = CBUUID(string: "0000FF00-0000-1000-8000-00805F9B34FB")
let charUUID = CBUUID(string: "0000FF01-0000-1000-8000-00805F9B34FB")
override init() {
super.init()
centralManager = CBCentralManager(delegate: self, queue: nil)
}
func parseSensorString(_ str: String) {
let cleanStr = str.trimmingCharacters(in: .whitespacesAndNewlines)
let components = cleanStr.components(separatedBy: ",")
guard components.count >= 7, components[0] == "S" else {
print("Received malformed string: \(cleanStr)")
return
}
DispatchQueue.main.async {
self.sensorValues.ax = Double(components[1]) ?? 0
self.sensorValues.ay = Double(components[2]) ?? 0
self.sensorValues.az = Double(components[3]) ?? 0
self.sensorValues.lat = Double(components[4]) ?? 0
self.sensorValues.lon = Double(components[5]) ?? 0
self.sensorValues.hasFix = components[6].contains("1")
}
}
}
extension BluetoothManager: CBCentralManagerDelegate {
func centralManagerDidUpdateState(_ central: CBCentralManager) {
switch central.state {
case .poweredOn:
connectionStatus = "Scanning..."
// Scanning with nil finds EVERYTHING. Safer for debugging.
centralManager.scanForPeripherals(withServices: nil, options: nil)
case .poweredOff:
connectionStatus = "Bluetooth is Off"
case .unauthorized:
connectionStatus = "Permission Denied"
default:
connectionStatus = "Unknown State"
}
}
func centralManager(_ central: CBCentralManager, didDiscover peripheral: CBPeripheral, advertisementData: [String : Any], rssi RSSI: NSNumber) {
let name = peripheral.name ?? "Unknown"
if name.contains("Pico") {
print("Discovered: \(name)")
connectionStatus = "Pico Found!"
picoPeripheral = peripheral
picoPeripheral?.delegate = self
centralManager.stopScan()
centralManager.connect(peripheral, options: nil)
}
}
func centralManager(_ central: CBCentralManager, didConnect peripheral: CBPeripheral) {
connectionStatus = "Connected"
print("Connected to \(peripheral.name ?? "Device")")
peripheral.discoverServices([serviceUUID])
}
func centralManager(_ central: CBCentralManager, didDisconnectPeripheral peripheral: CBPeripheral, error: Error?) {
connectionStatus = "Disconnected"
print("Disconnected. Restarting scan...")
centralManager.scanForPeripherals(withServices: nil, options: nil)
}
}
extension BluetoothManager: CBPeripheralDelegate {
func peripheral(_ peripheral: CBPeripheral, didDiscoverServices error: Error?) {
guard let services = peripheral.services else { return }
for service in services {
print("Service discovered: \(service.uuid)")
peripheral.discoverCharacteristics([charUUID], for: service)
}
}
func peripheral(_ peripheral: CBPeripheral, didDiscoverCharacteristicsFor service: CBService, error: Error?) {
guard let characteristics = service.characteristics else { return }
for characteristic in characteristics {
if characteristic.uuid == charUUID {
print("Found Data Characteristic!")
peripheral.setNotifyValue(true, for: characteristic)
}
}
}
func peripheral(_ peripheral: CBPeripheral, didUpdateValueFor characteristic: CBCharacteristic, error: Error?) {
if let data = characteristic.value,
let str = String(data: data, encoding: .utf8) {
parseSensorString(str)
}
}
}

132
mcrl-app/ContentView.swift Normal file
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//
// ContentView.swift
// mcrl-app
//
// Created by Simon Oberzier on 13.01.26.
//
import SwiftUI
struct ContentView: View {
@StateObject var bleManager = BluetoothManager()
var experiencedG: Double {
let totalVector = sqrt(
pow(bleManager.sensorValues.ax, 2) +
pow(bleManager.sensorValues.ay, 2) +
pow(bleManager.sensorValues.az, 2)
)
return max(0, totalVector - 1.0)
}
var body: some View {
NavigationView {
VStack(spacing: 20) {
HStack {
Label(bleManager.connectionStatus.uppercased(), systemImage: bleManager.connectionStatus == "Connected" ? "bolt.fill" : "bolt.slash.fill")
.font(.system(size: 10, weight: .black, design: .monospaced))
.foregroundColor(bleManager.connectionStatus == "Connected" ? .green : .red)
Spacer()
Text("LIVE TELEMETRY")
.font(.system(size: 10, weight: .bold))
.foregroundColor(.secondary)
}
.padding(.horizontal)
ZStack {
Circle()
.trim(from: 0.1, to: 0.9)
.stroke(Color.primary.opacity(0.1), style: StrokeStyle(lineWidth: 30, lineCap: .round))
.rotationEffect(.degrees(90))
Circle()
.trim(from: 0.1, to: min(0.1 + (experiencedG / 3.0) * 0.8, 0.9)) // Scaled for 0-3G range
.stroke(
AngularGradient(
gradient: Gradient(colors: [.green, .yellow, .orange, .red]),
center: .center,
angle: .degrees(180)
),
style: StrokeStyle(lineWidth: 30, lineCap: .round)
)
.rotationEffect(.degrees(90))
.animation(.interactiveSpring(response: 0.2, dampingFraction: 0.5), value: experiencedG)
VStack(spacing: -2) {
Text(String(format: "%.2f", experiencedG))
.font(.system(size: 64, weight: .black, design: .rounded))
Text("NET G-FORCE")
.font(.system(size: 12, weight: .heavy))
.foregroundColor(.secondary)
}
}
.frame(width: 280, height: 280)
.padding(.vertical)
LazyVGrid(columns: [GridItem(.flexible()), GridItem(.flexible())], spacing: 15) {
DataTile(title: "LATERAL X", value: bleManager.sensorValues.ax, unit: "G", color: .blue)
DataTile(title: "LONG Y", value: bleManager.sensorValues.ay, unit: "G", color: .orange)
DataTile(title: "VERTICAL Z", value: bleManager.sensorValues.az, unit: "G", color: .purple)
DataTile(title: "GPS STATUS", value: bleManager.sensorValues.hasFix ? 1.0 : 0.0, unit: bleManager.sensorValues.hasFix ? "FIXED" : "NO FIX", color: .green)
}
.padding(.horizontal)
if bleManager.sensorValues.hasFix {
HStack {
VStack(alignment: .leading) {
Text("COORDINATES").font(.system(size: 9, weight: .black)).foregroundColor(.secondary)
Text("\(bleManager.sensorValues.lat, specifier: "%.5f"), \(bleManager.sensorValues.lon, specifier: "%.5f")")
.font(.system(.caption, design: .monospaced))
.fontWeight(.bold)
}
Spacer()
Image(systemName: "location.north.circle.fill")
.foregroundColor(.blue)
}
.padding()
.background(Color.primary.opacity(0.05))
.cornerRadius(12)
.padding(.horizontal)
}
Spacer()
}
.navigationTitle("Pico Link")
.navigationBarTitleDisplayMode(.inline)
}
}
}
struct DataTile: View {
let title: String
let value: Double
let unit: String
let color: Color
var body: some View {
VStack(alignment: .leading, spacing: 4) {
Text(title)
.font(.system(size: 9, weight: .black))
.foregroundColor(color)
HStack(alignment: .lastTextBaseline, spacing: 2) {
if unit == "G" {
Text(String(format: "%.2f", value))
.font(.system(.title2, design: .monospaced))
.fontWeight(.bold)
}
Text(unit)
.font(.system(size: 10, weight: .bold))
.foregroundColor(.secondary)
}
}
.frame(maxWidth: .infinity, alignment: .leading)
.padding()
.background(Color.primary.opacity(0.05))
.cornerRadius(12)
.overlay(
RoundedRectangle(cornerRadius: 12)
.stroke(color.opacity(0.2), lineWidth: 1)
)
}
}

10
mcrl-app/Info.plist Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>UIBackgroundModes</key>
<array>
<string>bluetooth-central</string>
</array>
</dict>
</plist>

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mcrl-app/SensorData.swift Normal file
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//
// SensorData.swift
// mcrl-app
//
// Created by Simon Oberzier on 17.02.26.
//
import Foundation
struct SensorData {
var ax: Double = 0.0
var ay: Double = 0.0
var az: Double = 0.0
var lat: Double = 0.0
var lon: Double = 0.0
var hasFix: Bool = false
}

17
mcrl-app/mcrl_appApp.swift Normal file
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//
// mcrl_appApp.swift
// mcrl-app
//
// Created by Simon Oberzier on 13.01.26.
//
import SwiftUI
@main
struct mcrl_appApp: App {
var body: some Scene {
WindowGroup {
ContentView()
}
}
}