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Morgan
2025-11-27 17:42:54 +09:00
commit f38bee223c
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69
.github/workflows/build.yml vendored Normal file
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name: Build iOS App
on:
push:
branches: [ main, master, develop ]
pull_request:
branches: [ main, master, develop ]
workflow_dispatch:
jobs:
build:
name: Build iOS App
runs-on: macos-latest
steps:
- name: Checkout repository
uses: actions/checkout@v4
- name: Select Xcode version
run: sudo xcode-select -s /Applications/Xcode_15.2.app/Contents/Developer
- name: Show Xcode version
run: xcodebuild -version
- name: Show available SDKs
run: xcodebuild -showsdks
- name: Build iOS App
run: |
xcodebuild clean build \
-project EnvSensorReader.xcodeproj \
-scheme EnvSensorReader \
-sdk iphoneos \
-configuration Release \
CODE_SIGN_IDENTITY="" \
CODE_SIGNING_REQUIRED=NO \
CODE_SIGNING_ALLOWED=NO \
ONLY_ACTIVE_ARCH=NO
- name: Build for iOS Simulator
run: |
xcodebuild clean build \
-project EnvSensorReader.xcodeproj \
-scheme EnvSensorReader \
-sdk iphonesimulator \
-configuration Release \
CODE_SIGN_IDENTITY="" \
CODE_SIGNING_REQUIRED=NO \
CODE_SIGNING_ALLOWED=NO \
ONLY_ACTIVE_ARCH=NO
- name: Archive build products
if: success()
run: |
mkdir -p artifacts
if [ -d "build/Release-iphoneos" ]; then
cp -R build/Release-iphoneos artifacts/ || true
fi
if [ -d "build/Release-iphonesimulator" ]; then
cp -R build/Release-iphonesimulator artifacts/ || true
fi
- name: Upload build artifacts
if: success()
uses: actions/upload-artifact@v4
with:
name: ios-build
path: artifacts/
retention-days: 30

93
.gitignore vendored Normal file
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# Xcode
#
# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
## User settings
xcuserdata/
## compatibility with Xcode 8 and earlier (ignoring not required starting Xcode 9)
*.xcscmblueprint
*.xccheckout
## compatibility with Xcode 3 and earlier (ignoring not required starting Xcode 4)
build/
DerivedData/
*.moved-aside
*.pbxuser
!default.pbxuser
*.mode1v3
!default.mode1v3
*.mode2v3
!default.mode2v3
*.perspectivev3
!default.perspectivev3
## Obj-C/Swift specific
*.hmap
## App packaging
*.ipa
*.dSYM.zip
*.dSYM
## Playgrounds
timeline.xctimeline
playground.xcworkspace
# Swift Package Manager
#
# Add this line if you want to avoid checking in source code from Swift Package Manager dependencies.
# Packages/
# Package.pins
# Package.resolved
# *.xcodeproj
#
# Xcode automatically generates this directory with a .xcworkspacedata file and xcuserdata
# hence it is not needed unless you have added a package configuration file to your project
# .swiftpm
.build/
# CocoaPods
#
# We recommend against adding the Pods directory to your .gitignore. However
# you should judge for yourself, the pros and cons are mentioned at:
# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
#
# Pods/
#
# Add this line if you want to avoid checking in source code from the Xcode workspace
# *.xcworkspace
# Carthage
#
# Add this line if you want to avoid checking in source code from Carthage dependencies.
# Carthage/Checkouts
Carthage/Build/
# Accio dependency management
Dependencies/
.accio/
# fastlane
#
# It is recommended to not store the screenshots in the git repo.
# Instead, use fastlane to re-generate the screenshots whenever they are needed.
# For more information about the recommended setup visit:
# https://docs.fastlane.tools/best-practices/source-control/#source-control
fastlane/report.xml
fastlane/Preview.html
fastlane/screenshots/**/*.png
fastlane/test_output
# Code Injection
#
# After new code Injection tools there's a generated folder /iOSInjectionProject
# https://github.com/johnno1962/injectionforxcode
iOSInjectionProject/
# Mac
.DS_Store

347
EnvSensorReader.xcodeproj/project.pbxproj Normal file
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// !$*UTF8*$!
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archiveVersion = 1;
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};
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AA0000000000000000000002 /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = BB0000000000000000000002 /* ContentView.swift */; };
AA0000000000000000000003 /* BLEManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = BB0000000000000000000003 /* BLEManager.swift */; };
AA0000000000000000000004 /* SensorReading.swift in Sources */ = {isa = PBXBuildFile; fileRef = BB0000000000000000000004 /* SensorReading.swift */; };
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/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
DD0000000000000000000001 /* Frameworks */ = {
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
);
runOnlyForDeploymentPostprocessing = 0;
};
/* End PBXFrameworksBuildPhase section */
/* Begin PBXGroup section */
EE0000000000000000000001 = {
isa = PBXGroup;
children = (
EE0000000000000000000002 /* EnvSensorReader */,
EE0000000000000000000003 /* Products */,
);
sourceTree = "<group>";
};
EE0000000000000000000002 /* EnvSensorReader */ = {
isa = PBXGroup;
children = (
BB0000000000000000000001 /* EnvSensorReaderApp.swift */,
BB0000000000000000000002 /* ContentView.swift */,
BB0000000000000000000003 /* BLEManager.swift */,
BB0000000000000000000004 /* SensorReading.swift */,
BB0000000000000000000006 /* Assets.xcassets */,
BB0000000000000000000005 /* Info.plist */,
);
path = EnvSensorReader;
sourceTree = "<group>";
};
EE0000000000000000000003 /* Products */ = {
isa = PBXGroup;
children = (
CC0000000000000000000001 /* EnvSensorReader.app */,
);
name = Products;
sourceTree = "<group>";
};
/* End PBXGroup section */
/* Begin PBXNativeTarget section */
FF0000000000000000000001 /* EnvSensorReader */ = {
isa = PBXNativeTarget;
buildConfigurationList = FF0000000000000000000002 /* Build configuration list for PBXNativeTarget "EnvSensorReader" */;
buildPhases = (
FF0000000000000000000003 /* Sources */,
DD0000000000000000000001 /* Frameworks */,
FF0000000000000000000004 /* Resources */,
);
buildRules = (
);
dependencies = (
);
name = EnvSensorReader;
productName = EnvSensorReader;
productReference = CC0000000000000000000001 /* EnvSensorReader.app */;
productType = "com.apple.product-type.application";
};
/* End PBXNativeTarget section */
/* Begin PBXProject section */
000000000000000000000001 /* Project object */ = {
isa = PBXProject;
attributes = {
BuildIndependentTargetsInParallel = 1;
LastSwiftUpdateCheck = 1500;
LastUpgradeCheck = 1500;
TargetAttributes = {
FF0000000000000000000001 = {
CreatedOnToolsVersion = 15.0;
};
};
};
buildConfigurationList = 000000000000000000000002 /* Build configuration list for PBXProject "EnvSensorReader" */;
compatibilityVersion = "Xcode 14.0";
developmentRegion = en;
hasScannedForEncodings = 0;
knownRegions = (
en,
Base,
);
mainGroup = EE0000000000000000000001;
productRefGroup = EE0000000000000000000003 /* Products */;
projectDirPath = "";
projectRoot = "";
targets = (
FF0000000000000000000001 /* EnvSensorReader */,
);
};
/* End PBXProject section */
/* Begin PBXResourcesBuildPhase section */
FF0000000000000000000004 /* Resources */ = {
isa = PBXResourcesBuildPhase;
buildActionMask = 2147483647;
files = (
AA0000000000000000000005 /* Assets.xcassets in Resources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
/* End PBXResourcesBuildPhase section */
/* Begin PBXSourcesBuildPhase section */
FF0000000000000000000003 /* Sources */ = {
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
AA0000000000000000000001 /* EnvSensorReaderApp.swift in Sources */,
AA0000000000000000000002 /* ContentView.swift in Sources */,
AA0000000000000000000003 /* BLEManager.swift in Sources */,
AA0000000000000000000004 /* SensorReading.swift in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
/* End PBXSourcesBuildPhase section */
/* Begin XCBuildConfiguration section */
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isa = XCBuildConfiguration;
buildSettings = {
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ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
CLANG_ANALYZER_NONNULL = YES;
CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
CLANG_ENABLE_MODULES = YES;
CLANG_ENABLE_OBJC_ARC = YES;
CLANG_ENABLE_OBJC_WEAK = YES;
CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
CLANG_WARN_BOOL_CONVERSION = YES;
CLANG_WARN_COMMA = YES;
CLANG_WARN_CONSTANT_CONVERSION = YES;
CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
CLANG_WARN_EMPTY_BODY = YES;
CLANG_WARN_ENUM_CONVERSION = YES;
CLANG_WARN_INFINITE_RECURSION = YES;
CLANG_WARN_INT_CONVERSION = YES;
CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
CLANG_WARN_STRICT_PROTOTYPES = YES;
CLANG_WARN_SUSPICIOUS_MOVE = YES;
CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
CLANG_WARN_UNREACHABLE_CODE = YES;
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DEBUG_INFORMATION_FORMAT = dwarf;
ENABLE_STRICT_OBJC_MSGSEND = YES;
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ENABLE_USER_SCRIPT_SANDBOXING = YES;
GCC_C_LANGUAGE_STANDARD = gnu17;
GCC_DYNAMIC_NO_PIC = NO;
GCC_NO_COMMON_BLOCKS = YES;
GCC_OPTIMIZATION_LEVEL = 0;
GCC_PREPROCESSOR_DEFINITIONS = (
"DEBUG=1",
"$(inherited)",
);
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
GCC_WARN_UNDECLARED_SELECTOR = YES;
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 15.0;
LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
MTL_FAST_MATH = YES;
ONLY_ACTIVE_ARCH = YES;
SDKROOT = iphoneos;
SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG $(inherited)";
SWIFT_OPTIMIZATION_LEVEL = "-Onone";
};
name = Debug;
};
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buildSettings = {
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ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
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CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
CLANG_ENABLE_MODULES = YES;
CLANG_ENABLE_OBJC_ARC = YES;
CLANG_ENABLE_OBJC_WEAK = YES;
CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
CLANG_WARN_BOOL_CONVERSION = YES;
CLANG_WARN_COMMA = YES;
CLANG_WARN_CONSTANT_CONVERSION = YES;
CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
CLANG_WARN_EMPTY_BODY = YES;
CLANG_WARN_ENUM_CONVERSION = YES;
CLANG_WARN_INFINITE_RECURSION = YES;
CLANG_WARN_INT_CONVERSION = YES;
CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
CLANG_WARN_STRICT_PROTOTYPES = YES;
CLANG_WARN_SUSPICIOUS_MOVE = YES;
CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
CLANG_WARN_UNREACHABLE_CODE = YES;
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COPY_PHASE_STRIP = NO;
DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
ENABLE_NS_ASSERTIONS = NO;
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GCC_WARN_UNDECLARED_SELECTOR = YES;
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 15.0;
LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
MTL_ENABLE_DEBUG_INFO = NO;
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SWIFT_COMPILATION_MODE = wholemodule;
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DEVELOPMENT_TEAM = "";
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INFOPLIST_KEY_UILaunchScreen_Generation = YES;
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isa = XCBuildConfiguration;
buildSettings = {
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DEVELOPMENT_TEAM = "";
ENABLE_PREVIEWS = YES;
GENERATE_INFOPLIST_FILE = NO;
INFOPLIST_FILE = EnvSensorReader/Info.plist;
INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
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INFOPLIST_KEY_UILaunchScreen_Generation = YES;
INFOPLIST_KEY_UISupportedInterfaceOrientations = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
LD_RUNPATH_SEARCH_PATHS = (
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MARKETING_VERSION = 1.0;
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rootObject = 000000000000000000000001 /* Project object */;
}

77
EnvSensorReader.xcodeproj/xcshareddata/xcschemes/EnvSensorReader.xcscheme Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<Scheme
LastUpgradeVersion = "1500"
version = "1.7">
<BuildAction
parallelizeBuildables = "YES"
buildImplicitDependencies = "YES">
<BuildActionEntries>
<BuildActionEntry
buildForTesting = "YES"
buildForRunning = "YES"
buildForProfiling = "YES"
buildForArchiving = "YES"
buildForAnalyzing = "YES">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "FF0000000000000000000001"
BuildableName = "EnvSensorReader.app"
BlueprintName = "EnvSensorReader"
ReferencedContainer = "container:EnvSensorReader.xcodeproj">
</BuildableReference>
</BuildActionEntry>
</BuildActionEntries>
</BuildAction>
<TestAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
shouldUseLaunchSchemeArgsEnv = "YES"
shouldAutocreateTestPlan = "YES">
</TestAction>
<LaunchAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
launchStyle = "0"
useCustomWorkingDirectory = "NO"
ignoresPersistentStateOnLaunch = "NO"
debugDocumentVersioning = "YES"
debugServiceExtension = "internal"
allowLocationSimulation = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">
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BuildableIdentifier = "primary"
BlueprintIdentifier = "FF0000000000000000000001"
BuildableName = "EnvSensorReader.app"
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</BuildableReference>
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</LaunchAction>
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buildConfiguration = "Release"
shouldUseLaunchSchemeArgsEnv = "YES"
savedToolIdentifier = ""
useCustomWorkingDirectory = "NO"
debugDocumentVersioning = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "FF0000000000000000000001"
BuildableName = "EnvSensorReader.app"
BlueprintName = "EnvSensorReader"
ReferencedContainer = "container:EnvSensorReader.xcodeproj">
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</ProfileAction>
<AnalyzeAction
buildConfiguration = "Debug">
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buildConfiguration = "Release"
revealArchiveInOrganizer = "YES">
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11
EnvSensorReader/Assets.xcassets/AccentColor.colorset/Contents.json Normal file
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@@ -0,0 +1,11 @@
{
"colors" : [
{
"idiom" : "universal"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}

13
EnvSensorReader/Assets.xcassets/AppIcon.appiconset/Contents.json Normal file
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@@ -0,0 +1,13 @@
{
"images" : [
{
"idiom" : "universal",
"platform" : "ios",
"size" : "1024x1024"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}

6
EnvSensorReader/Assets.xcassets/Contents.json Normal file
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@@ -0,0 +1,6 @@
{
"info" : {
"author" : "xcode",
"version" : 1
}
}

152
EnvSensorReader/BLEManager.swift Normal file
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import Foundation
import CoreBluetooth
import Combine
class BLEManager: NSObject, ObservableObject {
@Published var readings: [SensorReading] = []
@Published var isScanning = false
@Published var bluetoothState: CBManagerState = .unknown
private var centralManager: CBCentralManager!
private var seenNonces: Set<String> = []
private let deviceName = "EnvSensor"
private let companyID: UInt16 = 0xFFFF
override init() {
super.init()
centralManager = CBCentralManager(delegate: self, queue: nil)
}
func startScanning() {
guard centralManager.state == .poweredOn else {
print("Bluetooth not ready")
return
}
seenNonces.removeAll()
centralManager.scanForPeripherals(withServices: nil, options: [CBCentralManagerScanOptionAllowDuplicatesKey: true])
isScanning = true
print("Started scanning for EnvSensor devices...")
}
func stopScanning() {
centralManager.stopScan()
isScanning = false
print("Stopped scanning")
}
private func parseManufacturerData(_ data: Data) -> (nonce: UInt16, temp: Double, hum: Double, pres: Double, voltage: Double, current: Double)? {
guard data.count == 16 else { return nil }
let bytes = [UInt8](data)
// Parse according to struct format: '<HhHIHi'
// H = unsigned short (2 bytes)
// h = signed short (2 bytes)
// I = unsigned int (4 bytes)
// i = signed int (4 bytes)
let nonce = UInt16(bytes[0]) | (UInt16(bytes[1]) << 8)
let tempRaw = Int16(bitPattern: UInt16(bytes[2]) | (UInt16(bytes[3]) << 8))
let temp = Double(tempRaw) / 100.0
let humRaw = UInt16(bytes[4]) | (UInt16(bytes[5]) << 8)
let hum = Double(humRaw) / 100.0
let presRaw = UInt32(bytes[6]) | (UInt32(bytes[7]) << 8) | (UInt32(bytes[8]) << 16) | (UInt32(bytes[9]) << 24)
let pres = Double(presRaw) / 10.0
let voltageRaw = UInt16(bytes[10]) | (UInt16(bytes[11]) << 8)
let voltage = Double(voltageRaw) / 100.0
let currentRaw = Int32(bitPattern: UInt32(bytes[12]) | (UInt32(bytes[13]) << 8) | (UInt32(bytes[14]) << 16) | (UInt32(bytes[15]) << 24))
let current = Double(currentRaw) / 100.0
return (nonce, temp, hum, pres, voltage, current)
}
}
extension BLEManager: CBCentralManagerDelegate {
func centralManagerDidUpdateState(_ central: CBCentralManager) {
bluetoothState = central.state
switch central.state {
case .poweredOn:
print("Bluetooth is powered on")
case .poweredOff:
print("Bluetooth is powered off")
isScanning = false
case .unauthorized:
print("Bluetooth is unauthorized")
case .unsupported:
print("Bluetooth is not supported")
default:
print("Bluetooth state: \(central.state.rawValue)")
}
}
func centralManager(_ central: CBCentralManager, didDiscover peripheral: CBPeripheral, advertisementData: [String: Any], rssi RSSI: NSNumber) {
// Check device name
guard let name = peripheral.name, name == deviceName else {
return
}
// Check for manufacturer data
guard let manufacturerData = advertisementData[CBAdvertisementDataManufacturerDataKey] as? Data,
manufacturerData.count >= 2 else {
return
}
// Extract company ID (first 2 bytes, little-endian)
let companyIDBytes = manufacturerData.prefix(2)
let extractedCompanyID = UInt16(companyIDBytes[0]) | (UInt16(companyIDBytes[1]) << 8)
guard extractedCompanyID == companyID else {
return
}
// Parse the payload (skip the first 2 bytes which are the company ID)
let payload = manufacturerData.dropFirst(2)
guard let parsed = parseManufacturerData(payload) else {
return
}
// Create unique key for deduplication
let key = "\(peripheral.identifier.uuidString)-\(parsed.nonce)"
guard !seenNonces.contains(key) else {
return
}
seenNonces.insert(key)
// Create reading
let reading = SensorReading(
timestamp: Date(),
deviceAddress: peripheral.identifier.uuidString,
nonce: parsed.nonce,
temperature: parsed.temp,
humidity: parsed.hum,
pressure: parsed.pres,
voltage: parsed.voltage,
current: parsed.current,
rssi: RSSI.intValue
)
DispatchQueue.main.async {
self.readings.insert(reading, at: 0)
// Keep only last 100 readings
if self.readings.count > 100 {
self.readings = Array(self.readings.prefix(100))
}
}
print("[\(reading.timestampString)] (\(String(format: "%04X", parsed.nonce))) \(peripheral.identifier.uuidString)")
print(" T=\(String(format: "%5.1f", parsed.temp))°C H=\(String(format: "%5.1f", parsed.hum))% P=\(String(format: "%7.1f", parsed.pres))hPa")
print(" V=\(String(format: "%5.2f", parsed.voltage))V I=\(String(format: "%7.2f", parsed.current))mA P=\(String(format: "%7.2f", reading.power))mW")
print(" RSSI=\(String(format: "%3d", RSSI.intValue))dBm")
print()
}
}

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import SwiftUI
struct ContentView: View {
@StateObject private var bleManager = BLEManager()
var body: some View {
NavigationView {
VStack {
// Status bar
HStack {
Image(systemName: bluetoothIcon)
.foregroundColor(bluetoothColor)
Text(bluetoothStatusText)
.font(.subheadline)
Spacer()
if bleManager.isScanning {
ProgressView()
.scaleEffect(0.8)
Text("Scanning...")
.font(.subheadline)
.foregroundColor(.secondary)
}
}
.padding()
.background(Color(.systemGray6))
// Readings list
if bleManager.readings.isEmpty {
Spacer()
VStack(spacing: 16) {
Image(systemName: "antenna.radiowaves.left.and.right")
.font(.system(size: 60))
.foregroundColor(.secondary)
Text("No readings yet")
.font(.title2)
.foregroundColor(.secondary)
if !bleManager.isScanning && bleManager.bluetoothState == .poweredOn {
Text("Tap Start to scan for EnvSensor devices")
.font(.subheadline)
.foregroundColor(.secondary)
.multilineTextAlignment(.center)
}
}
Spacer()
} else {
List(bleManager.readings) { reading in
SensorReadingRow(reading: reading)
}
.listStyle(.plain)
}
// Start/Stop button
Button(action: toggleScanning) {
Text(bleManager.isScanning ? "Stop Scanning" : "Start Scanning")
.font(.headline)
.foregroundColor(.white)
.frame(maxWidth: .infinity)
.padding()
.background(bleManager.bluetoothState == .poweredOn ? Color.blue : Color.gray)
.cornerRadius(10)
}
.padding()
.disabled(bleManager.bluetoothState != .poweredOn)
}
.navigationTitle("EnvSensor Reader")
.navigationBarTitleDisplayMode(.inline)
}
}
private var bluetoothIcon: String {
switch bleManager.bluetoothState {
case .poweredOn:
return "bluetooth"
case .poweredOff:
return "bluetooth.slash"
default:
return "bluetooth"
}
}
private var bluetoothColor: Color {
bleManager.bluetoothState == .poweredOn ? .blue : .red
}
private var bluetoothStatusText: String {
switch bleManager.bluetoothState {
case .poweredOn:
return "Bluetooth Ready"
case .poweredOff:
return "Bluetooth Off"
case .unauthorized:
return "Bluetooth Unauthorized"
case .unsupported:
return "Bluetooth Not Supported"
default:
return "Bluetooth Unknown"
}
}
private func toggleScanning() {
if bleManager.isScanning {
bleManager.stopScanning()
} else {
bleManager.startScanning()
}
}
}
struct SensorReadingRow: View {
let reading: SensorReading
var body: some View {
VStack(alignment: .leading, spacing: 8) {
// Header
HStack {
Text(reading.timestampString)
.font(.headline)
Text("(\(String(format: "%04X", reading.nonce)))")
.font(.subheadline)
.foregroundColor(.secondary)
Spacer()
Text("\(reading.rssi) dBm")
.font(.subheadline)
.foregroundColor(rssiColor(reading.rssi))
}
// Device address
Text(reading.deviceAddress)
.font(.caption)
.foregroundColor(.secondary)
// Environmental readings
HStack(spacing: 20) {
VStack(alignment: .leading, spacing: 4) {
Text("Temperature")
.font(.caption)
.foregroundColor(.secondary)
HStack(spacing: 4) {
Image(systemName: "thermometer")
.foregroundColor(.red)
Text(String(format: "%.1f°C", reading.temperature))
.font(.system(.body, design: .monospaced))
}
}
VStack(alignment: .leading, spacing: 4) {
Text("Humidity")
.font(.caption)
.foregroundColor(.secondary)
HStack(spacing: 4) {
Image(systemName: "humidity")
.foregroundColor(.blue)
Text(String(format: "%.1f%%", reading.humidity))
.font(.system(.body, design: .monospaced))
}
}
}
HStack(spacing: 20) {
VStack(alignment: .leading, spacing: 4) {
Text("Pressure")
.font(.caption)
.foregroundColor(.secondary)
HStack(spacing: 4) {
Image(systemName: "gauge")
.foregroundColor(.purple)
Text(String(format: "%.1f hPa", reading.pressure))
.font(.system(.body, design: .monospaced))
}
}
}
Divider()
// Power readings
HStack(spacing: 20) {
VStack(alignment: .leading, spacing: 4) {
Text("Voltage")
.font(.caption)
.foregroundColor(.secondary)
HStack(spacing: 4) {
Image(systemName: "bolt")
.foregroundColor(.orange)
Text(String(format: "%.2f V", reading.voltage))
.font(.system(.body, design: .monospaced))
}
}
VStack(alignment: .leading, spacing: 4) {
Text("Current")
.font(.caption)
.foregroundColor(.secondary)
HStack(spacing: 4) {
Image(systemName: "waveform.path")
.foregroundColor(.green)
Text(String(format: "%.2f mA", reading.current))
.font(.system(.body, design: .monospaced))
}
}
}
HStack(spacing: 4) {
Image(systemName: "power")
.foregroundColor(.yellow)
Text("Power: ")
.font(.caption)
.foregroundColor(.secondary)
Text(String(format: "%.2f mW", reading.power))
.font(.system(.body, design: .monospaced))
}
}
.padding(.vertical, 8)
}
private func rssiColor(_ rssi: Int) -> Color {
if rssi > -60 {
return .green
} else if rssi > -80 {
return .orange
} else {
return .red
}
}
}
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
ContentView()
}
}

10
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import SwiftUI
@main
struct EnvSensorReaderApp: App {
var body: some Scene {
WindowGroup {
ContentView()
}
}
}

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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>CFBundleDevelopmentRegion</key>
<string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleVersion</key>
<string>1</string>
<key>LSRequiresIPhoneOS</key>
<true/>
<key>UIApplicationSceneManifest</key>
<dict>
<key>UIApplicationSupportsMultipleScenes</key>
<true/>
</dict>
<key>UIApplicationSupportsIndirectInputEvents</key>
<true/>
<key>UILaunchScreen</key>
<dict/>
<key>UIRequiredDeviceCapabilities</key>
<array>
<string>armv7</string>
<string>bluetooth-le</string>
</array>
<key>UISupportedInterfaceOrientations</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
<string>UIInterfaceOrientationLandscapeLeft</string>
<string>UIInterfaceOrientationLandscapeRight</string>
</array>
<key>UISupportedInterfaceOrientations~ipad</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
<string>UIInterfaceOrientationPortraitUpsideDown</string>
<string>UIInterfaceOrientationLandscapeLeft</string>
<string>UIInterfaceOrientationLandscapeRight</string>
</array>
<key>NSBluetoothAlwaysUsageDescription</key>
<string>This app needs Bluetooth access to scan for EnvSensor devices and read environmental data.</string>
<key>NSBluetoothPeripheralUsageDescription</key>
<string>This app needs Bluetooth access to scan for EnvSensor devices and read environmental data.</string>
</dict>
</plist>

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import Foundation
struct SensorReading: Identifiable, Equatable {
let id = UUID()
let timestamp: Date
let deviceAddress: String
let nonce: UInt16
let temperature: Double
let humidity: Double
let pressure: Double
let voltage: Double
let current: Double
let rssi: Int
var power: Double {
voltage * current
}
var timestampString: String {
let formatter = DateFormatter()
formatter.dateFormat = "HH:mm:ss"
return formatter.string(from: timestamp)
}
static func == (lhs: SensorReading, rhs: SensorReading) -> Bool {
lhs.deviceAddress == rhs.deviceAddress && lhs.nonce == rhs.nonce
}
}

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# EnvSensor Reader - iOS App
An iOS application for scanning and reading environmental sensor data from BLE devices named "EnvSensor".
## Features
- Real-time BLE scanning for EnvSensor devices
- Displays environmental readings:
- Temperature (°C)
- Humidity (%)
- Pressure (hPa)
- Displays power metrics:
- Voltage (V)
- Current (mA)
- Power (mW)
- Shows signal strength (RSSI in dBm)
- Automatic deduplication of readings based on nonce
- Clean, modern SwiftUI interface
## Requirements
- iOS 15.0 or later
- iPhone or iPad with Bluetooth LE support
- Xcode 15.0 or later (for building)
## BLE Protocol
The app scans for BLE devices with the following characteristics:
- **Device Name**: `EnvSensor`
- **Company ID**: `0xFFFF`
- **Data Format** (16 bytes, little-endian):
- Bytes 0-1: Nonce (UInt16)
- Bytes 2-3: Temperature (Int16, divide by 100 for °C)
- Bytes 4-5: Humidity (UInt16, divide by 100 for %)
- Bytes 6-9: Pressure (UInt32, divide by 10 for hPa)
- Bytes 10-11: Voltage (UInt16, divide by 100 for V)
- Bytes 12-15: Current (Int32, divide by 100 for mA)
## Building the App
### Using Xcode
1. Open `EnvSensorReader.xcodeproj` in Xcode
2. Select your target device or simulator
3. Press Cmd+R to build and run
### Using xcodebuild (command line)
For iOS device:
```bash
xcodebuild clean build \
-project EnvSensorReader.xcodeproj \
-scheme EnvSensorReader \
-sdk iphoneos \
-configuration Release
```
For iOS Simulator:
```bash
xcodebuild clean build \
-project EnvSensorReader.xcodeproj \
-scheme EnvSensorReader \
-sdk iphonesimulator \
-configuration Release
```
## GitHub Actions
This project includes a GitHub Actions workflow that automatically builds the app on every push to main/master/develop branches. The workflow:
- Builds for both iOS device and simulator
- Runs on macOS runners
- Archives build artifacts for download
- Supports manual triggering via workflow_dispatch
## Permissions
The app requires Bluetooth permissions to function. The following permissions are declared in Info.plist:
- `NSBluetoothAlwaysUsageDescription`: For scanning BLE devices
- `NSBluetoothPeripheralUsageDescription`: For BLE peripheral access
Users will be prompted to grant Bluetooth access when the app first launches.
## Project Structure
```
EnvSensorReader/
├── EnvSensorReader/
│ ├── EnvSensorReaderApp.swift # App entry point
│ ├── ContentView.swift # Main UI
│ ├── BLEManager.swift # BLE scanning and parsing
│ ├── SensorReading.swift # Data model
│ ├── Assets.xcassets/ # App assets
│ └── Info.plist # App configuration
├── EnvSensorReader.xcodeproj/ # Xcode project
└── .github/
└── workflows/
└── build.yml # CI/CD workflow
```
## Python Version
This iOS app is a port of the Python script `env_reader.py` which uses the Bleak library for BLE scanning. Both versions implement the same protocol and functionality.
## License
This project is provided as-is for educational and development purposes.