├── BLEDemo.xcodeproj
    ├── project.pbxproj
    ├── project.xcworkspace
    │   └── contents.xcworkspacedata
    └── xcuserdata
    │   └── rick.smith.xcuserdatad
    │       └── xcschemes
    │           ├── BLEDemo.xcscheme
    │           └── xcschememanagement.plist
├── BLEDemo
    ├── AppDelegate.swift
    ├── Assets.xcassets
    │   └── AppIcon.appiconset
    │   │   └── Contents.json
    ├── Base.lproj
    │   ├── LaunchScreen.storyboard
    │   └── Main.storyboard
    ├── Info.plist
    ├── MainViewController.swift
    └── ScanTableViewController.swift
└── README.md


/BLEDemo.xcodeproj/project.pbxproj:
--------------------------------------------------------------------------------
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110 | 				ORGANIZATIONNAME = "Rick Smith";
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354 | 


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/BLEDemo.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
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8 | 


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/BLEDemo.xcodeproj/xcuserdata/rick.smith.xcuserdatad/xcschemes/BLEDemo.xcscheme:
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/BLEDemo.xcodeproj/xcuserdata/rick.smith.xcuserdatad/xcschemes/xcschememanagement.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>SchemeUserState</key>
 6 | 	<dict>
 7 | 		<key>BLEDemo.xcscheme</key>
 8 | 		<dict>
 9 | 			<key>orderHint</key>
10 | 			<integer>0</integer>
11 | 		</dict>
12 | 	</dict>
13 | 	<key>SuppressBuildableAutocreation</key>
14 | 	<dict>
15 | 		<key>7850987F1D365ADD00976091</key>
16 | 		<dict>
17 | 			<key>primary</key>
18 | 			<true/>
19 | 		</dict>
20 | 	</dict>
21 | </dict>
22 | </plist>
23 | 


--------------------------------------------------------------------------------
/BLEDemo/AppDelegate.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.swift
 3 | //  BLEDemo
 4 | //
 5 | //  Created by Rick Smith on 13/07/2016.
 6 | //  Copyright © 2016 Rick Smith. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | @UIApplicationMain
12 | class AppDelegate: UIResponder, UIApplicationDelegate {
13 | 
14 |     var window: UIWindow?
15 | 
16 | 
17 |     private func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
18 |         // Override point for customization after application launch.
19 |         return true
20 |     }
21 | 
22 |     func applicationWillResignActive(_ application: UIApplication) {
23 |         // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
24 |         // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
25 |     }
26 | 
27 |     func applicationDidEnterBackground(_ application: UIApplication) {
28 |         // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
29 |         // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
30 |     }
31 | 
32 |     func applicationWillEnterForeground(_ application: UIApplication) {
33 |         // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
34 |     }
35 | 
36 |     func applicationDidBecomeActive(_ application: UIApplication) {
37 |         // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
38 |     }
39 | 
40 |     func applicationWillTerminate(_ application: UIApplication) {
41 |         // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
42 |     }
43 | 
44 | 
45 | }
46 | 
47 | 


--------------------------------------------------------------------------------
/BLEDemo/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "20x20",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "20x20",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "29x29",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "29x29",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "40x40",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "40x40",
31 |       "scale" : "3x"
32 |     },
33 |     {
34 |       "idiom" : "iphone",
35 |       "size" : "60x60",
36 |       "scale" : "2x"
37 |     },
38 |     {
39 |       "idiom" : "iphone",
40 |       "size" : "60x60",
41 |       "scale" : "3x"
42 |     },
43 |     {
44 |       "idiom" : "ipad",
45 |       "size" : "20x20",
46 |       "scale" : "1x"
47 |     },
48 |     {
49 |       "idiom" : "ipad",
50 |       "size" : "20x20",
51 |       "scale" : "2x"
52 |     },
53 |     {
54 |       "idiom" : "ipad",
55 |       "size" : "29x29",
56 |       "scale" : "1x"
57 |     },
58 |     {
59 |       "idiom" : "ipad",
60 |       "size" : "29x29",
61 |       "scale" : "2x"
62 |     },
63 |     {
64 |       "idiom" : "ipad",
65 |       "size" : "40x40",
66 |       "scale" : "1x"
67 |     },
68 |     {
69 |       "idiom" : "ipad",
70 |       "size" : "40x40",
71 |       "scale" : "2x"
72 |     },
73 |     {
74 |       "idiom" : "ipad",
75 |       "size" : "76x76",
76 |       "scale" : "1x"
77 |     },
78 |     {
79 |       "idiom" : "ipad",
80 |       "size" : "76x76",
81 |       "scale" : "2x"
82 |     },
83 |     {
84 |       "idiom" : "ipad",
85 |       "size" : "83.5x83.5",
86 |       "scale" : "2x"
87 |     },
88 |     {
89 |       "idiom" : "ios-marketing",
90 |       "size" : "1024x1024",
91 |       "scale" : "1x"
92 |     }
93 |   ],
94 |   "info" : {
95 |     "version" : 1,
96 |     "author" : "xcode"
97 |   }
98 | }


--------------------------------------------------------------------------------
/BLEDemo/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11134" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11106"/>
 5 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="EHf-IW-A2E">
10 |             <objects>
11 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
17 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |             <point key="canvasLocation" x="53" y="375"/>
25 |         </scene>
26 |     </scenes>
27 | </document>
28 | 


--------------------------------------------------------------------------------
/BLEDemo/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
  2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11129.15" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="mlZ-mY-2OR">
  3 |     <dependencies>
  4 |         <deployment identifier="iOS"/>
  5 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11103.10"/>
  6 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
  7 |     </dependencies>
  8 |     <scenes>
  9 |         <!--Main View Controller-->
 10 |         <scene sceneID="3l9-QK-tAN">
 11 |             <objects>
 12 |                 <viewController id="9Pu-vz-22V" customClass="MainViewController" customModule="BLEDemo" sceneMemberID="viewController">
 13 |                     <layoutGuides>
 14 |                         <viewControllerLayoutGuide type="top" id="dMi-f7-hVa"/>
 15 |                         <viewControllerLayoutGuide type="bottom" id="bQj-Tb-Mkf"/>
 16 |                     </layoutGuides>
 17 |                     <view key="view" contentMode="scaleToFill" id="BcI-Uw-D2L">
 18 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
 19 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
 20 |                         <subviews>
 21 |                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Message Recieved" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="dOR-2c-7DW">
 22 |                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
 23 |                                 <nil key="textColor"/>
 24 |                                 <nil key="highlightedColor"/>
 25 |                             </label>
 26 |                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" misplaced="YES" text="..." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="RzW-4l-oYQ">
 27 |                                 <frame key="frameInset" minX="108" minY="239" width="158" height="21"/>
 28 |                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
 29 |                                 <nil key="textColor"/>
 30 |                                 <nil key="highlightedColor"/>
 31 |                             </label>
 32 |                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="pEs-yP-WO1">
 33 |                                 <state key="normal" title="Send &quot;Hello World!&quot;"/>
 34 |                                 <connections>
 35 |                                     <action selector="sendButtonPressed:" destination="9Pu-vz-22V" eventType="touchUpInside" id="ftO-bj-Pb4"/>
 36 |                                 </connections>
 37 |                             </button>
 38 |                         </subviews>
 39 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
 40 |                         <constraints>
 41 |                             <constraint firstItem="pEs-yP-WO1" firstAttribute="top" secondItem="dMi-f7-hVa" secondAttribute="bottom" constant="52" id="4ae-g1-5J0"/>
 42 |                             <constraint firstItem="dOR-2c-7DW" firstAttribute="centerX" secondItem="BcI-Uw-D2L" secondAttribute="centerX" id="8GP-gv-RDL"/>
 43 |                             <constraint firstItem="pEs-yP-WO1" firstAttribute="centerX" secondItem="BcI-Uw-D2L" secondAttribute="centerX" id="Iq4-Lk-wPJ"/>
 44 |                             <constraint firstItem="RzW-4l-oYQ" firstAttribute="top" secondItem="dMi-f7-hVa" secondAttribute="bottom" constant="175" id="XZp-sQ-zNz"/>
 45 |                             <constraint firstItem="dOR-2c-7DW" firstAttribute="top" secondItem="dMi-f7-hVa" secondAttribute="bottom" constant="123" id="lZ5-A2-AKN"/>
 46 |                             <constraint firstItem="RzW-4l-oYQ" firstAttribute="width" secondItem="BcI-Uw-D2L" secondAttribute="width" id="pGH-NE-nqW"/>
 47 |                         </constraints>
 48 |                     </view>
 49 |                     <navigationItem key="navigationItem" id="nko-pp-Oka"/>
 50 |                     <connections>
 51 |                         <outlet property="recievedMessageText" destination="RzW-4l-oYQ" id="d43-6r-CIj"/>
 52 |                         <segue destination="XZM-Me-sXn" kind="show" identifier="scan-segue" id="gj8-TH-9Lz">
 53 |                             <nil key="action"/>
 54 |                         </segue>
 55 |                     </connections>
 56 |                 </viewController>
 57 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="wUz-kK-x5v" userLabel="First Responder" sceneMemberID="firstResponder"/>
 58 |             </objects>
 59 |             <point key="canvasLocation" x="1021.6" y="205.54722638680661"/>
 60 |         </scene>
 61 |         <!--Scan Table View Controller-->
 62 |         <scene sceneID="oYz-Hf-bmk">
 63 |             <objects>
 64 |                 <tableViewController id="XZM-Me-sXn" customClass="ScanTableViewController" customModule="BLEDemo" customModuleProvider="target" sceneMemberID="viewController">
 65 |                     <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="28" sectionFooterHeight="28" id="x85-ue-dlL">
 66 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
 67 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
 68 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
 69 |                         <prototypes>
 70 |                             <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="scanTableCell" id="5Jg-uN-fb0">
 71 |                                 <frame key="frameInset" minY="92" width="375" height="44"/>
 72 |                                 <autoresizingMask key="autoresizingMask"/>
 73 |                                 <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="5Jg-uN-fb0" id="EqY-XR-75o">
 74 |                                     <frame key="frameInset" width="375" height="43.5"/>
 75 |                                     <autoresizingMask key="autoresizingMask"/>
 76 |                                 </tableViewCellContentView>
 77 |                             </tableViewCell>
 78 |                         </prototypes>
 79 |                         <connections>
 80 |                             <outlet property="dataSource" destination="XZM-Me-sXn" id="HjV-i5-tKA"/>
 81 |                             <outlet property="delegate" destination="XZM-Me-sXn" id="kwG-nd-P6j"/>
 82 |                         </connections>
 83 |                     </tableView>
 84 |                 </tableViewController>
 85 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="erg-8W-2aN" userLabel="First Responder" sceneMemberID="firstResponder"/>
 86 |             </objects>
 87 |             <point key="canvasLocation" x="1892" y="206"/>
 88 |         </scene>
 89 |         <!--Navigation Controller-->
 90 |         <scene sceneID="gYT-iK-9KC">
 91 |             <objects>
 92 |                 <navigationController id="mlZ-mY-2OR" sceneMemberID="viewController">
 93 |                     <navigationBar key="navigationBar" contentMode="scaleToFill" id="fni-to-M7J">
 94 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
 95 |                         <autoresizingMask key="autoresizingMask"/>
 96 |                     </navigationBar>
 97 |                     <connections>
 98 |                         <segue destination="9Pu-vz-22V" kind="relationship" relationship="rootViewController" id="OSZ-dR-oNI"/>
 99 |                     </connections>
100 |                 </navigationController>
101 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="5a7-L8-7gK" userLabel="First Responder" sceneMemberID="firstResponder"/>
102 |             </objects>
103 |             <point key="canvasLocation" x="122" y="206"/>
104 |         </scene>
105 |     </scenes>
106 | </document>
107 | 


--------------------------------------------------------------------------------
/BLEDemo/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>APPL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | 	<key>LSRequiresIPhoneOS</key>
24 | 	<true/>
25 | 	<key>UILaunchStoryboardName</key>
26 | 	<string>LaunchScreen</string>
27 | 	<key>UIMainStoryboardFile</key>
28 | 	<string>Main</string>
29 | 	<key>UIRequiredDeviceCapabilities</key>
30 | 	<array>
31 | 		<string>armv7</string>
32 | 	</array>
33 | 	<key>UISupportedInterfaceOrientations</key>
34 | 	<array>
35 | 		<string>UIInterfaceOrientationPortrait</string>
36 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
37 | 		<string>UIInterfaceOrientationLandscapeRight</string>
38 | 	</array>
39 | 	<key>UISupportedInterfaceOrientations~ipad</key>
40 | 	<array>
41 | 		<string>UIInterfaceOrientationPortrait</string>
42 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
43 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
44 | 		<string>UIInterfaceOrientationLandscapeRight</string>
45 | 	</array>
46 | </dict>
47 | </plist>
48 | 


--------------------------------------------------------------------------------
/BLEDemo/MainViewController.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | //  MainViewController.swift
  3 | //  CompassCompanion
  4 | //
  5 | //  Created by Rick Smith on 04/07/2016.
  6 | //  Copyright © 2016 Rick Smith. All rights reserved.
  7 | //
  8 | 
  9 | import UIKit
 10 | import CoreBluetooth
 11 | 
 12 | class MainViewController: UIViewController, CBCentralManagerDelegate, CBPeripheralDelegate {
 13 |     var manager:CBCentralManager? = nil
 14 |     var mainPeripheral:CBPeripheral? = nil
 15 |     var mainCharacteristic:CBCharacteristic? = nil
 16 |     
 17 |     let BLEService = "DFB0"
 18 |     let BLECharacteristic = "DFB1"
 19 |     
 20 |     @IBOutlet weak var recievedMessageText: UILabel!
 21 |     
 22 |     override func viewDidLoad() {
 23 |         super.viewDidLoad()
 24 |         
 25 |         manager = CBCentralManager(delegate: self, queue: nil);
 26 |         
 27 |         customiseNavigationBar()
 28 |     }
 29 |     
 30 |     func customiseNavigationBar () {
 31 |         
 32 |         self.navigationItem.rightBarButtonItem = nil
 33 |         
 34 |         let rightButton = UIButton()
 35 |         
 36 |         if (mainPeripheral == nil) {
 37 |             rightButton.setTitle("Scan", for: [])
 38 |             rightButton.setTitleColor(UIColor.blue, for: [])
 39 |             rightButton.frame = CGRect(origin: CGPoint(x: 0,y :0), size: CGSize(width: 60, height: 30))
 40 |             rightButton.addTarget(self, action: #selector(self.scanButtonPressed), for: .touchUpInside)
 41 |         } else {
 42 |             rightButton.setTitle("Disconnect", for: [])
 43 |             rightButton.setTitleColor(UIColor.blue, for: [])
 44 |             rightButton.frame = CGRect(origin: CGPoint(x: 0,y :0), size: CGSize(width: 100, height: 30))
 45 |             rightButton.addTarget(self, action: #selector(self.disconnectButtonPressed), for: .touchUpInside)
 46 |         }
 47 |         
 48 |         let rightBarButton = UIBarButtonItem()
 49 |         rightBarButton.customView = rightButton
 50 |         self.navigationItem.rightBarButtonItem = rightBarButton
 51 |         
 52 |     }
 53 |     
 54 |     override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
 55 |         
 56 |         if (segue.identifier == "scan-segue") {
 57 |             let scanController : ScanTableViewController = segue.destination as! ScanTableViewController
 58 |             
 59 |             //set the manager's delegate to the scan view so it can call relevant connection methods
 60 |             manager?.delegate = scanController
 61 |             scanController.manager = manager
 62 |             scanController.parentView = self
 63 |         }
 64 |         
 65 |     }
 66 |     
 67 |     // MARK: Button Methods
 68 |     @objc func scanButtonPressed() {
 69 |         performSegue(withIdentifier: "scan-segue", sender: nil)
 70 |     }
 71 |     
 72 |     @objc func disconnectButtonPressed() {
 73 |         //this will call didDisconnectPeripheral, but if any other apps are using the device it will not immediately disconnect
 74 |         manager?.cancelPeripheralConnection(mainPeripheral!)
 75 |     }
 76 |     
 77 |     @IBAction func sendButtonPressed(_ sender: AnyObject) {
 78 |         let helloWorld = "Hello World!"
 79 |         let dataToSend = helloWorld.data(using: String.Encoding.utf8)
 80 |         
 81 |         if (mainPeripheral != nil) {
 82 |             mainPeripheral?.writeValue(dataToSend!, for: mainCharacteristic!, type: CBCharacteristicWriteType.withoutResponse)
 83 |         } else {
 84 |             print("haven't discovered device yet")
 85 |         }
 86 |     }
 87 |     
 88 |     // MARK: - CBCentralManagerDelegate Methods    
 89 |     func centralManager(_ central: CBCentralManager, didDisconnectPeripheral peripheral: CBPeripheral, error: Error?) {
 90 |         mainPeripheral = nil
 91 |         customiseNavigationBar()
 92 |         print("Disconnected" + peripheral.name!)
 93 |     }
 94 |     
 95 |     
 96 |     func centralManagerDidUpdateState(_ central: CBCentralManager) {
 97 |         print(central.state)
 98 |     }
 99 |     
100 |     // MARK: CBPeripheralDelegate Methods
101 |     func peripheral(_ peripheral: CBPeripheral, didDiscoverServices error: Error?) {
102 |         
103 |         for service in peripheral.services! {
104 |             
105 |             print("Service found with UUID: " + service.uuid.uuidString)
106 |             
107 |             //device information service
108 |             if (service.uuid.uuidString == "180A") {
109 |                 peripheral.discoverCharacteristics(nil, for: service)
110 |             }
111 |             
112 |             //GAP (Generic Access Profile) for Device Name
113 |             // This replaces the deprecated CBUUIDGenericAccessProfileString
114 |             if (service.uuid.uuidString == "1800") {
115 |                 peripheral.discoverCharacteristics(nil, for: service)
116 |             }
117 |             
118 |             //Bluno Service
119 |             if (service.uuid.uuidString == BLEService) {
120 |                 peripheral.discoverCharacteristics(nil, for: service)
121 |             }
122 |             
123 |         }
124 |     }
125 |     
126 |     func peripheral(_ peripheral: CBPeripheral, didDiscoverCharacteristicsFor service: CBService, error: Error?) {
127 | 
128 |         //get device name
129 |         if (service.uuid.uuidString == "1800") {
130 |             
131 |             for characteristic in service.characteristics! {
132 |                 
133 |                 if (characteristic.uuid.uuidString == "2A00") {
134 |                     peripheral.readValue(for: characteristic)
135 |                     print("Found Device Name Characteristic")
136 |                 }
137 |                 
138 |             }
139 |             
140 |         }
141 |         
142 |         if (service.uuid.uuidString == "180A") {
143 |             
144 |             for characteristic in service.characteristics! {
145 |                 
146 |                 if (characteristic.uuid.uuidString == "2A29") {
147 |                     peripheral.readValue(for: characteristic)
148 |                     print("Found a Device Manufacturer Name Characteristic")
149 |                 } else if (characteristic.uuid.uuidString == "2A23") {
150 |                     peripheral.readValue(for: characteristic)
151 |                     print("Found System ID")
152 |                 }
153 |                 
154 |             }
155 |             
156 |         }
157 |         
158 |         if (service.uuid.uuidString == BLEService) {
159 |             
160 |             for characteristic in service.characteristics! {
161 |                 
162 |                 if (characteristic.uuid.uuidString == BLECharacteristic) {
163 |                     //we'll save the reference, we need it to write data
164 |                     mainCharacteristic = characteristic
165 |                     
166 |                     //Set Notify is useful to read incoming data async
167 |                     peripheral.setNotifyValue(true, for: characteristic)
168 |                     print("Found Bluno Data Characteristic")
169 |                 }
170 |                 
171 |             }
172 |             
173 |         }
174 |         
175 |     }
176 |     
177 |     func peripheral(_ peripheral: CBPeripheral, didUpdateValueFor characteristic: CBCharacteristic, error: Error?) {
178 |         
179 |         
180 |         if (characteristic.uuid.uuidString == "2A00") {
181 |             //value for device name recieved
182 |             let deviceName = characteristic.value
183 |             print(deviceName ?? "No Device Name")
184 |         } else if (characteristic.uuid.uuidString == "2A29") {
185 |             //value for manufacturer name recieved
186 |             let manufacturerName = characteristic.value
187 |             print(manufacturerName ?? "No Manufacturer Name")
188 |         } else if (characteristic.uuid.uuidString == "2A23") {
189 |             //value for system ID recieved
190 |             let systemID = characteristic.value
191 |             print(systemID ?? "No System ID")
192 |         } else if (characteristic.uuid.uuidString == BLECharacteristic) {
193 |             //data recieved
194 |             if(characteristic.value != nil) {
195 |                 let stringValue = String(data: characteristic.value!, encoding: String.Encoding.utf8)!
196 |             
197 |                 recievedMessageText.text = stringValue
198 |             }
199 |         }
200 |         
201 |         
202 |     }
203 |     
204 | }
205 | 
206 | 


--------------------------------------------------------------------------------
/BLEDemo/ScanTableViewController.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ScanTableViewController.swift
  3 | //  BLEDemo
  4 | //
  5 | //  Created by Rick Smith on 13/07/2016.
  6 | //  Copyright © 2016 Rick Smith. All rights reserved.
  7 | //
  8 | 
  9 | import UIKit
 10 | import CoreBluetooth
 11 | 
 12 | class ScanTableViewController: UITableViewController, CBCentralManagerDelegate {
 13 |     
 14 |     var peripherals:[CBPeripheral] = []
 15 |     var manager:CBCentralManager? = nil
 16 |     var parentView:MainViewController? = nil
 17 |     
 18 |     override func viewDidLoad() {
 19 |         super.viewDidLoad()    
 20 |     }
 21 |     
 22 |     override func viewDidAppear(_ animated: Bool) {
 23 |         scanBLEDevices()
 24 |     }    
 25 |     
 26 |     // MARK: - Table view data source
 27 |     
 28 |     override func numberOfSections(in tableView: UITableView) -> Int {
 29 |         return 1
 30 |     }
 31 |     
 32 |     override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
 33 |         // #warning Incomplete implementation, return the number of rows
 34 |         return peripherals.count
 35 |     }
 36 |     
 37 |     
 38 |     override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
 39 |         let cell = tableView.dequeueReusableCell(withIdentifier: "scanTableCell", for: indexPath)
 40 |         let peripheral = peripherals[indexPath.row]
 41 |         cell.textLabel?.text = peripheral.name
 42 |         
 43 |         return cell
 44 |     }
 45 |     
 46 |     override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
 47 |         let peripheral = peripherals[indexPath.row]
 48 |         
 49 |         manager?.connect(peripheral, options: nil)
 50 |     }
 51 |     
 52 |     // MARK: BLE Scanning
 53 |     func scanBLEDevices() {
 54 |         //manager?.scanForPeripherals(withServices: [CBUUID.init(string: parentView!.BLEService)], options: nil)
 55 |         
 56 |         //if you pass nil in the first parameter, then scanForPeriperals will look for any devices.
 57 |         manager?.scanForPeripherals(withServices: nil, options: nil)
 58 |         
 59 |         //stop scanning after 3 seconds
 60 |         DispatchQueue.main.asyncAfter(deadline: .now() + 3.0) {
 61 |             self.stopScanForBLEDevices()
 62 |         }
 63 |     }
 64 |     
 65 |     func stopScanForBLEDevices() {
 66 |         manager?.stopScan()
 67 |     }
 68 |     
 69 |     // MARK: - CBCentralManagerDelegate Methods
 70 |     func centralManager(_ central: CBCentralManager, didDiscover peripheral: CBPeripheral, advertisementData: [String : Any], rssi RSSI: NSNumber) {
 71 |         if(!peripherals.contains(peripheral)) {
 72 |             peripherals.append(peripheral)
 73 |         }
 74 |         
 75 |         self.tableView.reloadData()
 76 |     }
 77 |     
 78 | //    func centralManager(_ central: CBCentralManager, didDiscover peripheral: CBPeripheral, advertisementData: [String : AnyObject], rssi RSSI: NSNumber) {
 79 | //        
 80 | //        if(!peripherals.contains(peripheral)) {
 81 | //            peripherals.append(peripheral)
 82 | //        }
 83 | //        
 84 | //        self.tableView.reloadData()
 85 | //    }
 86 |     
 87 |     func centralManagerDidUpdateState(_ central: CBCentralManager) {
 88 |         print(central.state)
 89 |     }
 90 |     
 91 |     func centralManager(_ central: CBCentralManager, didConnect peripheral: CBPeripheral) {
 92 |         
 93 |         //pass reference to connected peripheral to parent view
 94 |         parentView?.mainPeripheral = peripheral
 95 |         peripheral.delegate = parentView
 96 |         peripheral.discoverServices(nil)
 97 |         
 98 |         //set the manager's delegate view to parent so it can call relevant disconnect methods
 99 |         manager?.delegate = parentView
100 |         parentView?.customiseNavigationBar()
101 |         
102 |         if let navController = self.navigationController {
103 |             navController.popViewController(animated: true)
104 |         }
105 |         
106 |         print("Connected to " +  peripheral.name!)
107 |     }
108 |     
109 |     func centralManager(_ central: CBCentralManager, didFailToConnect peripheral: CBPeripheral, error: Error?) {
110 |         print(error!)
111 |     }
112 |     
113 | }
114 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # BLE4.0-iOS-Swift-Demo
2 | A demo app for talking to a Bluetooth 4.0 device, specifically the Bluno Beetle (http://www.dfrobot.com/index.php?route=product/product&amp;product_id=1259)
3 | 
4 | The tutorial for this demo app can be found here (https://medium.com/@rickredsix/getting-started-with-ios-swift-and-bluetooth-4-0-for-wearables-hardware-4661b1992bca)
5 | 


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