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Setup BLE Peripheral

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This commit is contained in:
severin.memmishofer 2023-07-11 12:10:42 +02:00
parent b71426d6b9
commit 18f68031b7
4 changed files with 86 additions and 10 deletions
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12
RippleChat.xcodeproj/project.pbxproj
View File

@ -19,13 +19,14 @@
96BD33102A5C27B0007A6E53 /* NewFeedEntryView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96BD330F2A5C27B0007A6E53 /* NewFeedEntryView.swift */; };
96BD33132A5C400B007A6E53 /* FeedListView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96BD33122A5C400B007A6E53 /* FeedListView.swift */; };
96BD33162A5C403C007A6E53 /* PeeringView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96BD33152A5C403C007A6E53 /* PeeringView.swift */; };
F581F59B2A5AE72F0081C383 /* BluetoothViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = F581F59A2A5AE72F0081C383 /* BluetoothViewModel.swift */; };
F581F59B2A5AE72F0081C383 /* BluetoothController.swift in Sources */ = {isa = PBXBuildFile; fileRef = F581F59A2A5AE72F0081C383 /* BluetoothController.swift */; };
F5847B622A599BF4009E28D4 /* Body.swift in Sources */ = {isa = PBXBuildFile; fileRef = F5847B612A599BF4009E28D4 /* Body.swift */; };
F5847B642A599CC3009E28D4 /* LogEntry.swift in Sources */ = {isa = PBXBuildFile; fileRef = F5847B632A599CC3009E28D4 /* LogEntry.swift */; };
F5847B662A599EA4009E28D4 /* Feed.swift in Sources */ = {isa = PBXBuildFile; fileRef = F5847B652A599EA4009E28D4 /* Feed.swift */; };
F5847B6A2A59AB24009E28D4 /* FeedStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = F5847B692A59AB24009E28D4 /* FeedStore.swift */; };
F58EB2D02A5590E800E22DA6 /* README.md in Resources */ = {isa = PBXBuildFile; fileRef = F58EB2CF2A5590E800E22DA6 /* README.md */; };
F5A4B1212A5D4D1F00F5AE01 /* SettingsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = F5A4B1202A5D4D1F00F5AE01 /* SettingsView.swift */; };
F5A4B1232A5D5F8B00F5AE01 /* BTPeripheral.swift in Sources */ = {isa = PBXBuildFile; fileRef = F5A4B1222A5D5F8B00F5AE01 /* BTPeripheral.swift */; };
/* End PBXBuildFile section */
/* Begin PBXContainerItemProxy section */
@ -61,13 +62,14 @@
96BD330F2A5C27B0007A6E53 /* NewFeedEntryView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NewFeedEntryView.swift; sourceTree = "<group>"; };
96BD33122A5C400B007A6E53 /* FeedListView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeedListView.swift; sourceTree = "<group>"; };
96BD33152A5C403C007A6E53 /* PeeringView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PeeringView.swift; sourceTree = "<group>"; };
F581F59A2A5AE72F0081C383 /* BluetoothViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BluetoothViewModel.swift; sourceTree = "<group>"; };
F581F59A2A5AE72F0081C383 /* BluetoothController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BluetoothController.swift; sourceTree = "<group>"; };
F5847B612A599BF4009E28D4 /* Body.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Body.swift; sourceTree = "<group>"; };
F5847B632A599CC3009E28D4 /* LogEntry.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LogEntry.swift; sourceTree = "<group>"; };
F5847B652A599EA4009E28D4 /* Feed.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Feed.swift; sourceTree = "<group>"; };
F5847B692A59AB24009E28D4 /* FeedStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeedStore.swift; sourceTree = "<group>"; };
F58EB2CF2A5590E800E22DA6 /* README.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
F5A4B1202A5D4D1F00F5AE01 /* SettingsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsView.swift; sourceTree = "<group>"; };
F5A4B1222A5D5F8B00F5AE01 /* BTPeripheral.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BTPeripheral.swift; sourceTree = "<group>"; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
@ -123,7 +125,7 @@
96454F1A2A558EBC0040BEBD /* RippleChatApp.swift */,
96454F1C2A558EBC0040BEBD /* ContentView.swift */,
96BD33112A5C3FFC007A6E53 /* Views */,
F581F59A2A5AE72F0081C383 /* BluetoothViewModel.swift */,
F581F59A2A5AE72F0081C383 /* BluetoothController.swift */,
96454F1E2A558EBD0040BEBD /* Assets.xcassets */,
96454F202A558EBD0040BEBD /* Preview Content */,
F5847B612A599BF4009E28D4 /* Body.swift */,
@ -131,6 +133,7 @@
F5847B652A599EA4009E28D4 /* Feed.swift */,
F5847B692A59AB24009E28D4 /* FeedStore.swift */,
96BD330D2A5C254B007A6E53 /* TextApp.swift */,
F5A4B1222A5D5F8B00F5AE01 /* BTPeripheral.swift */,
);
path = RippleChat;
sourceTree = "<group>";
@ -309,8 +312,9 @@
96BD33132A5C400B007A6E53 /* FeedListView.swift in Sources */,
F5847B642A599CC3009E28D4 /* LogEntry.swift in Sources */,
96BD33102A5C27B0007A6E53 /* NewFeedEntryView.swift in Sources */,
F5A4B1232A5D5F8B00F5AE01 /* BTPeripheral.swift in Sources */,
F5847B6A2A59AB24009E28D4 /* FeedStore.swift in Sources */,
F581F59B2A5AE72F0081C383 /* BluetoothViewModel.swift in Sources */,
F581F59B2A5AE72F0081C383 /* BluetoothController.swift in Sources */,
96454F1D2A558EBC0040BEBD /* ContentView.swift in Sources */,
F5A4B1212A5D4D1F00F5AE01 /* SettingsView.swift in Sources */,
96BD330E2A5C254B007A6E53 /* TextApp.swift in Sources */,

68
RippleChat/BTPeripheral.swift Normal file
View File

@ -0,0 +1,68 @@
//
// BTPeripheral.swift
// RippleChat
//
// Created by Severin Memmishofer on 11.07.23.
//
import SwiftUI
import CoreBluetooth
class BluetoothPeripheral: NSObject, ObservableObject {
private var peripheralManager: CBPeripheralManager?
let BLE_SERVICE_UUID = CBUUID(string: "6e400001-7646-4b5b-9a50-71becce51558")
let BLE_CHARACTERISTIC_UUID_RX = CBUUID(string: "6e400002-7646-4b5b-9a50-71becce51558")
override init() {
super.init()
self.peripheralManager = CBPeripheralManager(delegate: self, queue: .main)
}
}
extension BluetoothPeripheral: CBPeripheralManagerDelegate {
func peripheralManagerDidUpdateState(_ peripheral: CBPeripheralManager) {
switch peripheral.state {
case .unknown:
print("Bluetooth Device is UNKNOWN")
case .unsupported:
print("Bluetooth Device is UNSUPPORTED")
case .unauthorized:
print("Bluetooth Device is UNAUTHORIZED")
case .resetting:
print("Bluetooth Device is RESETTING")
case .poweredOff:
print("Bluetooth Device is POWERED OFF")
case .poweredOn:
print("Bluetooth Device is POWERED ON")
addServices()
@unknown default:
fatalError()
}
}
func addServices() {
let value = Feed.sampleFeed
// let valueData = value(using: .utf8)
// 1. Create instance of CBMutableCharcateristic
// let myCharacteristic1 = CBMutableCharacteristic(type: CBUUID(nsuuid: UUID()), properties: [.notify, .write, .read], value: nil, permissions: [.readable, .writeable])
let myCharacteristic = CBMutableCharacteristic(type: BLE_CHARACTERISTIC_UUID_RX, properties: [.read], value: nil, permissions: [.readable])
// 2. Create instance of CBMutableService
let myService = CBMutableService(type: BLE_SERVICE_UUID, primary: true)
// 3. Add characteristics to the service
myService.characteristics = [myCharacteristic]
// 4. Add service to peripheralManager
peripheralManager!.add(myService)
// 5. Start advertising
peripheralManager!.startAdvertising([CBAdvertisementDataLocalNameKey : "RippleChat", CBAdvertisementDataServiceUUIDsKey : BLE_SERVICE_UUID])
print("Started Advertising")
}
}

11
RippleChat/BluetoothViewModel.swift → RippleChat/BluetoothController.swift
View File

@ -1,5 +1,5 @@
//
// BluetoothViewModel.swift
// BluetoothController.swift
// RippleChat
//
// Created by Severin Memmishofer on 09.07.23.
@ -8,21 +8,24 @@
import SwiftUI
import CoreBluetooth
class BluetoothViewModel: NSObject, ObservableObject {
class BluetoothController: NSObject, ObservableObject {
private var centralManager: CBCentralManager?
private var peripherals: [CBPeripheral] = []
@Published var peripheralNames: [String] = []
let BLE_SERVICE_UUID = CBUUID(string: "6e400001-7646-4b5b-9a50-71becce51558")
let BLE_CHARACTERISTIC_UUID_RX = CBUUID(string: "6e400002-7646-4b5b-9a50-71becce51558")
override init() {
super.init()
self.centralManager = CBCentralManager(delegate: self, queue: .main)
}
}
extension BluetoothViewModel: CBCentralManagerDelegate {
extension BluetoothController: CBCentralManagerDelegate {
func centralManagerDidUpdateState(_ central: CBCentralManager) {
if central.state == .poweredOn {
self.centralManager?.scanForPeripherals(withServices: nil)
self.centralManager?.scanForPeripherals(withServices: [BLE_SERVICE_UUID])
}
}

5
RippleChat/Views/PeeringView.swift
View File

@ -8,12 +8,13 @@
import SwiftUI
struct PeeringView: View {
@ObservedObject private var bluetoothViewModel = BluetoothViewModel()
@ObservedObject private var bluetoothController = BluetoothController()
@ObservedObject private var bluetoothPeripheral = BluetoothPeripheral()
var body: some View {
Text("Peering View")
NavigationView {
List(bluetoothViewModel.peripheralNames, id: \.self) { peripheral in
List(bluetoothController.peripheralNames, id: \.self) { peripheral in
Text(peripheral)
}
.navigationTitle("Peripherals")