├── OmniBLE ├── PumpManagerUI │ ├── OmnipodUI.xcassets │ │ ├── Contents.json │ │ ├── Pod.imageset │ │ │ ├── pod1x.png │ │ │ ├── pod2x.png │ │ │ ├── pod3x.png │ │ │ └── Contents.json │ │ ├── PodBottom.imageset │ │ │ ├── PodBottom1x.png │ │ │ ├── PodBottom2x.png │ │ │ ├── PodBottom3x.png │ │ │ └── Contents.json │ │ └── PodLarge.imageset │ │ │ ├── PodLarge@1x.png │ │ │ ├── PodLarge@2x.png │ │ │ ├── PodLarge@3x.png │ │ │ └── Contents.json │ ├── Views │ │ ├── HUDAssets.xcassets │ │ │ ├── Contents.json │ │ │ ├── pod_life │ │ │ │ ├── Contents.json │ │ │ │ └── pod_life.imageset │ │ │ │ │ ├── Pod Life.pdf │ │ │ │ │ └── Contents.json │ │ │ └── reservoir │ │ │ │ ├── Contents.json │ │ │ │ ├── pod_reservoir.imageset │ │ │ │ ├── reservoir.pdf │ │ │ │ └── Contents.json │ │ │ │ └── pod_reservoir_mask.imageset │ │ │ │ ├── reservoir_mask.pdf │ │ │ │ └── Contents.json │ │ ├── ExpirationReminderDateTableViewCell.swift │ │ ├── OmnipodReservoirView.swift │ │ └── PodLifeHUDView.swift │ ├── ViewControllers │ │ ├── PodReplacementNavigationController.swift │ │ ├── PodSetupCompleteViewController.swift │ │ └── OmnipodPumpManagerSetupViewController.swift │ └── OmnipodPumpManager+UI.swift ├── Bluetooth │ ├── Session │ │ ├── Session.swift │ │ ├── SessionKeys.swift │ │ ├── EapSqn.swift │ │ ├── EapMessage.swift │ │ └── Milenage.swift │ ├── Pair │ │ ├── PairResult.swift │ │ ├── PairMessage.swift │ │ ├── KeyExchange.swift │ │ └── LTKExchanger.swift │ ├── PeripheralManagerError.swift │ ├── BluetoothErrors.swift │ ├── Util │ │ ├── OmniRandomByteGenerator.swift │ │ └── X25519KeyGenerator.swift │ ├── EnDecrypt │ │ ├── Nonce.swift │ │ └── EnDecrypt.swift │ ├── Ids.swift │ ├── CBPeripheral.swift │ ├── Packet │ │ ├── PayloadJoiner.swift │ │ ├── PayloadSplitter.swift │ │ └── BLEPacket.swift │ ├── Id.swift │ ├── StringLengthPrefixEncoding.swift │ ├── BluetoothServices.swift │ └── MessagePacket.swift ├── OmniBLE.h ├── OmnipodCommon │ ├── BasalSchedule+LoopKit.swift │ ├── MessageBlocks │ │ ├── PlaceholderMessageBlock.swift │ │ ├── DeactivatePodCommand.swift │ │ ├── AssignAddressCommand.swift │ │ ├── AcknowledgeAlertCommand.swift │ │ ├── PodInfoResponse.swift │ │ ├── GetStatusCommand.swift │ │ ├── FaultConfigCommand.swift │ │ ├── PodInfoActivationTime.swift │ │ ├── PodInfo.swift │ │ ├── ErrorResponse.swift │ │ ├── PodInfoConfiguredAlerts.swift │ │ ├── PodInfoPulseLogPlus.swift │ │ ├── MessageBlock.swift │ │ ├── CancelDeliveryCommand.swift │ │ ├── StatusResponse.swift │ │ ├── BeepConfigCommand.swift │ │ ├── SetupPodCommand.swift │ │ ├── BolusExtraCommand.swift │ │ ├── TempBasalExtraCommand.swift │ │ ├── PodInfoPulseLog.swift │ │ ├── BasalScheduleExtraCommand.swift │ │ └── ConfigureAlertsCommand.swift │ ├── BeepType.swift │ ├── PodInsulinMeasurements.swift │ ├── PodDoseProgressEstimator.swift │ ├── CRC16.swift │ ├── PodProgressStatus.swift │ ├── BasalSchedule.swift │ ├── Message.swift │ └── Pod.swift ├── OmnipodPlugin.swift └── Info.plist ├── Cartfile ├── OmniBLE.xcodeproj ├── project.xcworkspace │ └── contents.xcworkspacedata └── xcshareddata │ └── xcschemes │ └── OmniBLETests.xcscheme ├── Cartfile.resolved ├── Common ├── NibLoadable.swift ├── IdentifiableClass.swift ├── NumberFormatter.swift ├── LocalizedString.swift ├── TimeZone.swift ├── HKUnit.swift ├── OSLog.swift ├── TimeInterval.swift ├── UIColor.swift └── Data.swift ├── OmniBLETests ├── HexConversionTests.swift ├── TestUtilities.swift ├── Info.plist ├── Driver │ └── Comm │ │ ├── message │ │ ├── PayloadSplitJoinTests.swift │ │ ├── StringLengthPrefixEncodingTests.swift │ │ ├── PayloadJoinerTest.swift │ │ ├── PayloadSplitterTest.swift │ │ └── MessagePacketTests.swift │ │ ├── pair │ │ └── KeyExchangeTests.swift │ │ └── endecrypt │ │ └── EnDecryptTests.swift └── OmnipodTests.swift ├── LICENSE ├── carthage.sh ├── README.md └── .gitignore /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "version" : 1, 4 | "author" : "xcode" 5 | } 6 | } -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "version" : 1, 4 | "author" : "xcode" 5 | } 6 | } -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/pod_life/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "version" : 1, 4 | "author" : "xcode" 5 | } 6 | } -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/reservoir/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "version" : 1, 4 | "author" : "xcode" 5 | } 6 | } -------------------------------------------------------------------------------- /Cartfile: -------------------------------------------------------------------------------- 1 | github "LoopKit/LoopKit" "loop-release/v2.2.5" 2 | github "LoopKit/MKRingProgressView" "appex-safe" 3 | github "ps2/rileylink_ios" "loop-release/v2.2.5" 4 | -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/Pod.imageset/pod1x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/OmnipodUI.xcassets/Pod.imageset/pod1x.png -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/Pod.imageset/pod2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/OmnipodUI.xcassets/Pod.imageset/pod2x.png -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/Pod.imageset/pod3x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/OmnipodUI.xcassets/Pod.imageset/pod3x.png -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodBottom.imageset/PodBottom1x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodBottom.imageset/PodBottom1x.png -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodBottom.imageset/PodBottom2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodBottom.imageset/PodBottom2x.png -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodBottom.imageset/PodBottom3x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodBottom.imageset/PodBottom3x.png -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodLarge.imageset/PodLarge@1x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodLarge.imageset/PodLarge@1x.png -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodLarge.imageset/PodLarge@2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodLarge.imageset/PodLarge@2x.png -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodLarge.imageset/PodLarge@3x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodLarge.imageset/PodLarge@3x.png -------------------------------------------------------------------------------- /OmniBLE.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/pod_life/pod_life.imageset/Pod Life.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/pod_life/pod_life.imageset/Pod Life.pdf -------------------------------------------------------------------------------- /Cartfile.resolved: -------------------------------------------------------------------------------- 1 | github "LoopKit/LoopKit" "3a67f4ac7a1f2484f8527304eb14f21e30f6ca95" 2 | github "LoopKit/MKRingProgressView" "f548a5c64832be2d37d7c91b5800e284887a2a0a" 3 | github "ps2/rileylink_ios" "15d19970f589d1678a486a9b7cfa2430111ee3ea" 4 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Session/Session.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Session.swift 3 | // OmniBLE 4 | // 5 | // Created by Randall Knutson on 11/8/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/reservoir/pod_reservoir.imageset/reservoir.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/reservoir/pod_reservoir.imageset/reservoir.pdf -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/reservoir/pod_reservoir_mask.imageset/reservoir_mask.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/randallknutson/OmniBLE/HEAD/OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/reservoir/pod_reservoir_mask.imageset/reservoir_mask.pdf -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Pair/PairResult.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PairResult.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/4/21. 6 | // 7 | 8 | import Foundation 9 | 10 | struct PairResult { 11 | var ltk: Data 12 | var address: UInt32 13 | var msgSeq: UInt8 14 | } 15 | -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/reservoir/pod_reservoir_mask.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "universal", 5 | "filename" : "reservoir_mask.pdf" 6 | } 7 | ], 8 | "info" : { 9 | "version" : 1, 10 | "author" : "xcode" 11 | } 12 | } -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/reservoir/pod_reservoir.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "universal", 5 | "filename" : "reservoir.pdf" 6 | } 7 | ], 8 | "info" : { 9 | "version" : 1, 10 | "author" : "xcode" 11 | }, 12 | "properties" : { 13 | "template-rendering-intent" : "template" 14 | } 15 | } -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/HUDAssets.xcassets/pod_life/pod_life.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "universal", 5 | "filename" : "Pod Life.pdf" 6 | } 7 | ], 8 | "info" : { 9 | "version" : 1, 10 | "author" : "xcode" 11 | }, 12 | "properties" : { 13 | "template-rendering-intent" : "template", 14 | "preserves-vector-representation" : true 15 | } 16 | } -------------------------------------------------------------------------------- /Common/NibLoadable.swift: -------------------------------------------------------------------------------- 1 | // 2 | // NibLoadable.swift 3 | // OmnipodKit 4 | // 5 | // Created by Nate Racklyeft on 7/2/16. 6 | // Copyright © 2016 Nathan Racklyeft. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | 12 | protocol NibLoadable: IdentifiableClass { 13 | static func nib() -> UINib 14 | } 15 | 16 | 17 | extension NibLoadable { 18 | static func nib() -> UINib { 19 | return UINib(nibName: className, bundle: Bundle(for: self)) 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Session/SessionKeys.swift: -------------------------------------------------------------------------------- 1 | // 2 | // SessionKeys.swift 3 | // OmniBLE 4 | // 5 | // Created by Randall Knutson on 11/8/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | struct SessionKeys { 12 | var ck: Data 13 | var nonce: Nonce 14 | var msgSequenceNumber: Int 15 | } 16 | 17 | struct SessionNegotiationResynchronization { 18 | let synchronizedEapSqn: EapSqn 19 | let msgSequenceNumber: UInt8 20 | } 21 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/PeripheralManagerError.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PeripheralManagerErrors.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/18/21. 6 | // 7 | 8 | import Foundation 9 | 10 | enum PeripheralManagerError: Error { 11 | case cbPeripheralError(Error) 12 | case notReady 13 | case incorrectResponse 14 | case timeout([PeripheralManager.CommandCondition]) 15 | case emptyValue 16 | case unknownCharacteristic 17 | case serviceNotFound 18 | case nack 19 | } 20 | 21 | -------------------------------------------------------------------------------- /Common/IdentifiableClass.swift: -------------------------------------------------------------------------------- 1 | // 2 | // IdentifiableClass.swift 3 | // OmnipodKit 4 | // 5 | // Created by Nathan Racklyeft on 2/9/16. 6 | // Copyright © 2016 Nathan Racklyeft. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | 12 | protocol IdentifiableClass: AnyObject { 13 | static var className: String { get } 14 | } 15 | 16 | 17 | extension IdentifiableClass { 18 | static var className: String { 19 | return NSStringFromClass(self).components(separatedBy: ".").last! 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /OmniBLE/OmniBLE.h: -------------------------------------------------------------------------------- 1 | // 2 | // OmniBLE.h 3 | // OmniBLE 4 | // 5 | // Created by Randall Knutson on 9/11/21. 6 | // 7 | 8 | #import 9 | 10 | //! Project version number for OmniBLE. 11 | FOUNDATION_EXPORT double OmniBLEVersionNumber; 12 | 13 | //! Project version string for OmniBLE. 14 | FOUNDATION_EXPORT const unsigned char OmniBLEVersionString[]; 15 | 16 | // In this header, you should import all the public headers of your framework using statements like #import 17 | 18 | 19 | -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/Pod.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "universal", 5 | "filename" : "pod1x.png", 6 | "scale" : "1x" 7 | }, 8 | { 9 | "idiom" : "universal", 10 | "filename" : "pod2x.png", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "universal", 15 | "filename" : "pod3x.png", 16 | "scale" : "3x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodLarge.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "universal", 5 | "filename" : "PodLarge@1x.png", 6 | "scale" : "1x" 7 | }, 8 | { 9 | "idiom" : "universal", 10 | "filename" : "PodLarge@2x.png", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "universal", 15 | "filename" : "PodLarge@3x.png", 16 | "scale" : "3x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodUI.xcassets/PodBottom.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "filename" : "PodBottom1x.png", 5 | "idiom" : "universal", 6 | "scale" : "1x" 7 | }, 8 | { 9 | "filename" : "PodBottom2x.png", 10 | "idiom" : "universal", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "filename" : "PodBottom3x.png", 15 | "idiom" : "universal", 16 | "scale" : "3x" 17 | } 18 | ], 19 | "info" : { 20 | "author" : "xcode", 21 | "version" : 1 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/BasalSchedule+LoopKit.swift: -------------------------------------------------------------------------------- 1 | // 2 | // BasalSchedule+LoopKit.swift 3 | // (formerly PodCommsSession+LoopKit.swift) 4 | // OmnipodKit 5 | // 6 | // Created by Pete Schwamb on 9/25/18. 7 | // Copyright © 2018 Pete Schwamb. All rights reserved. 8 | // 9 | 10 | import Foundation 11 | import LoopKit 12 | 13 | extension BasalSchedule { 14 | public init(repeatingScheduleValues: [LoopKit.RepeatingScheduleValue]) { 15 | self.init(entries: repeatingScheduleValues.map { BasalScheduleEntry(rate: $0.value, startTime: $0.startTime) }) 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /OmniBLETests/HexConversionTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // HexConversionTests.swift 3 | // OmniBLE 4 | // 5 | // Created by Bill Gestrich on 12/11/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import OmniBLE 11 | 12 | class HexConversionTests: XCTestCase { 13 | 14 | func testConversion(){ 15 | let hexString = "00,01,54,57,10,23,03,00,00,c0,ff,ff,ff,fe,08,20,2e,a8,50,30".replacingOccurrences(of: ",", with: "") 16 | let f1 = Data(hexadecimalString: hexString)! 17 | assert(f1.hexadecimalString == hexString) 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/BluetoothErrors.swift: -------------------------------------------------------------------------------- 1 | // 2 | // BluetoothErrors.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/3/21. 6 | // 7 | 8 | import Foundation 9 | import CoreBluetooth 10 | 11 | enum BluetoothErrors: Error { 12 | case DiscoveredInvalidPodException(_ message: String, _ data: [CBUUID]) 13 | case InvalidLTKKey(_ message: String) 14 | case PairingException(_ message: String) 15 | case MessageIOException(_ message: String) 16 | case CouldNotParseMessageException(_ message: String) 17 | case IncorrectPacketException(_ payload: Data, _ location: Int) 18 | } 19 | 20 | -------------------------------------------------------------------------------- /OmniBLETests/TestUtilities.swift: -------------------------------------------------------------------------------- 1 | // 2 | // TestUtilities.swift 3 | // OmniBLE 4 | // 5 | // Created by Bill Gestrich on 12/11/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | extension String { 10 | //From start to, but not including, toIndex 11 | func substring(startIndex _startIndexInt: Int, toIndex _toIndexInt: Int) -> String? { 12 | assert(_startIndexInt < _toIndexInt) 13 | let startIndex = index(self.startIndex, offsetBy: _startIndexInt) 14 | let endIndex = index(self.startIndex, offsetBy: _toIndexInt - 1) 15 | return String(self[startIndex...endIndex]) 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /Common/NumberFormatter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // NumberFormatter.swift 3 | // OmnipodKit 4 | // 5 | // Copyright © 2017 Pete Schwamb. All rights reserved. 6 | // 7 | 8 | import Foundation 9 | 10 | extension NumberFormatter { 11 | func decibleString(from decibles: Int?) -> String? { 12 | if let decibles = decibles, let formatted = string(from: NSNumber(value: decibles)) { 13 | return String(format: LocalizedString("%@ dB", comment: "Unit format string for an RSSI value in decibles"), formatted) 14 | } else { 15 | return nil 16 | } 17 | } 18 | 19 | func string(from number: Double) -> String? { 20 | return string(from: NSNumber(value: number)) 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Util/OmniRandomByteGenerator.swift: -------------------------------------------------------------------------------- 1 | // 2 | // RandomByteGenerator.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/8/21. 6 | // 7 | 8 | import Foundation 9 | class OmniRandomByteGenerator: RandomByteGenerator { 10 | func nextBytes(length: Int) -> Data { 11 | var bytes = [Int8](repeating: 0, count: length) 12 | let status = SecRandomCopyBytes(kSecRandomDefault, bytes.count, &bytes) 13 | if status == errSecSuccess { // Always test the status. 14 | return Data(bytes: bytes, count: bytes.count) 15 | } 16 | return Data() 17 | } 18 | } 19 | 20 | protocol RandomByteGenerator { 21 | func nextBytes(length: Int) -> Data 22 | } 23 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodPlugin.swift: -------------------------------------------------------------------------------- 1 | // 2 | // OmniBLEPlugin.swift 3 | // OmniBLEPlugin 4 | // 5 | // Created by Randall Knutson on 09/11/21. 6 | // 7 | 8 | import Foundation 9 | import LoopKitUI 10 | import OmniKit 11 | import OmniKitUI 12 | import os.log 13 | 14 | class OmnipodPlugin: NSObject, LoopUIPlugin { 15 | private let log = OSLog(category: "OmnipodPlugin") 16 | 17 | public var pumpManagerType: PumpManagerUI.Type? { 18 | return OmnipodPumpManager.self 19 | } 20 | 21 | public var cgmManagerType: CGMManagerUI.Type? { 22 | return nil 23 | } 24 | 25 | override init() { 26 | super.init() 27 | log.default("OmnipodPlugin Instantiated") 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/EnDecrypt/Nonce.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Nonce.swift 3 | // OmniBLE 4 | // 5 | // Created by Randall Knutson on 11/4/21. 6 | // 7 | 8 | import Foundation 9 | 10 | class Nonce { 11 | let prefix: Data 12 | 13 | init (prefix: Data) { 14 | guard prefix.count == 8 else { fatalError("Nonce prefix should be 8 bytes long") } 15 | self.prefix = prefix 16 | } 17 | 18 | func toData(sqn: Int, podReceiving: Bool) -> Data { 19 | var ret = Data(bigEndian: sqn) 20 | .subdata(in: 3..<8) 21 | if (podReceiving) { 22 | ret[0] = UInt8(ret[0] & 127) 23 | } else { 24 | ret[0] = UInt8(ret[0] | 128) 25 | } 26 | return prefix + ret 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /Common/LocalizedString.swift: -------------------------------------------------------------------------------- 1 | // 2 | // LocalizedString.swift 3 | // OmnipodKit 4 | // 5 | // Created by Kathryn DiSimone on 8/15/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | private class FrameworkBundle { 12 | static let main = Bundle(for: FrameworkBundle.self) 13 | } 14 | 15 | func LocalizedString(_ key: String, tableName: String? = nil, value: String? = nil, comment: String) -> String { 16 | if let value = value { 17 | return NSLocalizedString(key, tableName: tableName, bundle: FrameworkBundle.main, value: value, comment: comment) 18 | } else { 19 | return NSLocalizedString(key, tableName: tableName, bundle: FrameworkBundle.main, comment: comment) 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Ids.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Ids.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/5/21. 6 | // 7 | 8 | import Foundation 9 | 10 | let CONTROLLER_ID: Int = 4242 11 | let POD_ID_NOT_ACTIVATED = Data(hexadecimalString: "FFFFFFFE")! 12 | 13 | public class Ids { 14 | static func notActivated() -> Id { 15 | return Id(POD_ID_NOT_ACTIVATED) 16 | } 17 | static func controllerId() -> Id { 18 | return Id.fromInt(CONTROLLER_ID) 19 | } 20 | let myId: Id 21 | let podId: Id 22 | 23 | init(podState: PodState?) { 24 | myId = Id.fromInt(CONTROLLER_ID) 25 | let uniqueId = podState != nil ? Id.fromLong(podState!.address) : myId 26 | podId = uniqueId.increment() 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /OmniBLETests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | $(PRODUCT_BUNDLE_PACKAGE_TYPE) 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Session/EapSqn.swift: -------------------------------------------------------------------------------- 1 | // 2 | // EapSqn.swift 3 | // OmniBLE 4 | // 5 | // Created by Randall Knutson on 11/17/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | enum EapSqnError: Error { 12 | case InvalidSize 13 | } 14 | 15 | class EapSqn { 16 | private let SIZE = 6 17 | let data: Data 18 | 19 | init(data: Data) throws { 20 | guard data.count == SIZE else { throw EapSqnError.InvalidSize } 21 | self.data = data 22 | } 23 | 24 | init(int: Int) { 25 | self.data = withUnsafeBytes(of: int.bigEndian) { Data($0) } 26 | } 27 | 28 | func toInt() -> Int { 29 | return (Data([0x00, 0x00]) + data).withUnsafeBytes { 30 | $0.load(as: Int.self).bigEndian 31 | } 32 | } 33 | 34 | func increment() -> EapSqn { 35 | return EapSqn(int: toInt() + 1) 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/PlaceholderMessageBlock.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PlaceholderMessageBlock.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 10/24/17. 6 | // Copyright © 2017 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct PlaceholderMessageBlock: MessageBlock { 12 | public let blockType: MessageBlockType 13 | public let length: UInt8 14 | 15 | public let data: Data 16 | 17 | public init(encodedData: Data) throws { 18 | if encodedData.count < 2 { 19 | throw MessageBlockError.notEnoughData 20 | } 21 | guard let blockType = MessageBlockType(rawValue: encodedData[0]) else { 22 | throw MessageBlockError.unknownBlockType(rawVal: encodedData[0]) 23 | } 24 | self.blockType = blockType 25 | length = encodedData[1] 26 | data = encodedData.prefix(upTo: Int(length)) 27 | } 28 | } 29 | 30 | -------------------------------------------------------------------------------- /OmniBLETests/Driver/Comm/message/PayloadSplitJoinTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PayloadSplitJoinTests.swift 3 | // OmniBLE 4 | // 5 | // Created by Bill Gestrich on 12/11/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import OmniBLE 11 | 12 | class PayloadSplitJoinTests: XCTestCase { 13 | 14 | func testSplitAndJoinBack() { 15 | for _ in 0...250 { 16 | let payload = Data(Int.random(in: 1..<100)) 17 | let splitter = PayloadSplitter(payload: payload) 18 | let packets = splitter.splitInPackets() 19 | let joiner = try! PayloadJoiner(firstPacket: packets[0].toData()) 20 | for p in packets[1...] { 21 | try! joiner.accumulate(packet: p.toData()) 22 | } 23 | let got = try! joiner.finalize() 24 | assert(got.hexadecimalString == payload.hexadecimalString) 25 | } 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /Common/TimeZone.swift: -------------------------------------------------------------------------------- 1 | // 2 | // TimeZone.swift 3 | // OmnipodKit 4 | // 5 | // Created by Nate Racklyeft on 10/2/16. 6 | // Copyright © 2016 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | extension TimeZone { 12 | static var currentFixed: TimeZone { 13 | return TimeZone(secondsFromGMT: TimeZone.current.secondsFromGMT())! 14 | } 15 | 16 | var fixed: TimeZone { 17 | return TimeZone(secondsFromGMT: secondsFromGMT())! 18 | } 19 | 20 | /// This only works for fixed utc offset timezones 21 | func scheduleOffset(forDate date: Date) -> TimeInterval { 22 | var calendar = Calendar.current 23 | calendar.timeZone = self 24 | let components = calendar.dateComponents([.day , .month, .year], from: date) 25 | guard let startOfSchedule = calendar.date(from: components) else { 26 | fatalError("invalid date") 27 | } 28 | return date.timeIntervalSince(startOfSchedule) 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /OmniBLETests/Driver/Comm/message/StringLengthPrefixEncodingTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // StringLengthPrefixEncodingTests.swift 3 | // OmniBLE 4 | // 5 | // Created by Bill Gestrich on 12/11/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import OmniBLE 11 | 12 | class StringLengthPrefixEncodingTests: XCTestCase { 13 | 14 | let p0Payload = Data(hexadecimalString: "50,30,3d,00,01,a5".replacingOccurrences(of: ",", with: ""))! 15 | let p0Content = Data(hexadecimalString:"a5")! 16 | 17 | func testFormatKeysP0() { 18 | let payload = StringLengthPrefixEncoding.formatKeys(keys: ["P0="], payloads: [p0Content]) 19 | assert(p0Payload.hexadecimalString == payload.hexadecimalString) 20 | } 21 | 22 | func testParseKeysP0() { 23 | let parsed = try! StringLengthPrefixEncoding.parseKeys(["P0="], p0Payload) 24 | assert(parsed.count == 1) 25 | assert(parsed[0].toHexString() == p0Content.toHexString()) 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /OmniBLETests/Driver/Comm/message/PayloadJoinerTest.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PayloadJoinerTest.swift 3 | // OmniBLE 4 | // 5 | // Created by Bill Gestrich on 12/11/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import OmniBLE 11 | 12 | class PayloadJoinerTest: XCTestCase { 13 | 14 | func testJoiner() { 15 | 16 | let f1 = Data(hexadecimalString: "00,01,54,57,10,23,03,00,00,c0,ff,ff,ff,fe,08,20,2e,a8,50,30".replacingOccurrences(of: ",", with: ""))! 17 | let f2 = Data(hexadecimalString: "01,04,bc,20,1f,f6,3d,00,01,a5,ff,ff,ff,fe,08,20,2e,a8,50,30".replacingOccurrences(of: ",", with: ""))! 18 | 19 | let payload = "54,57,10,23,03,00,00,c0,ff,ff,ff,fe,08,20,2e,a8,50,30,3d,00,01,a5".replacingOccurrences(of: ",", with: "") 20 | let joiner = try! PayloadJoiner(firstPacket: f1) 21 | try! joiner.accumulate(packet: f2) 22 | let actual = try! joiner.finalize() 23 | assert(payload == actual.hexadecimalString) 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /OmniBLETests/OmnipodTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // OmnipodTests.swift 3 | // OmnipodTests 4 | // 5 | // Created by Randall Knutson on 9/11/21. 6 | // 7 | 8 | import XCTest 9 | @testable import OmniBLE 10 | 11 | class OmnipodTests: XCTestCase { 12 | 13 | override func setUpWithError() throws { 14 | // Put setup code here. This method is called before the invocation of each test method in the class. 15 | } 16 | 17 | override func tearDownWithError() throws { 18 | // Put teardown code here. This method is called after the invocation of each test method in the class. 19 | } 20 | 21 | func testExample() throws { 22 | // This is an example of a functional test case. 23 | // Use XCTAssert and related functions to verify your tests produce the correct results. 24 | } 25 | 26 | func testPerformanceExample() throws { 27 | // This is an example of a performance test case. 28 | self.measure { 29 | // Put the code you want to measure the time of here. 30 | } 31 | } 32 | 33 | } 34 | -------------------------------------------------------------------------------- /Common/HKUnit.swift: -------------------------------------------------------------------------------- 1 | // 2 | // HKUnit.swift 3 | // OmnipodKit 4 | // 5 | // Created by Nathan Racklyeft on 1/17/16. 6 | // Copyright © 2016 Nathan Racklyeft. All rights reserved. 7 | // 8 | 9 | import HealthKit 10 | 11 | 12 | extension HKUnit { 13 | static let milligramsPerDeciliter: HKUnit = { 14 | return HKUnit.gramUnit(with: .milli).unitDivided(by: .literUnit(with: .deci)) 15 | }() 16 | 17 | static let millimolesPerLiter: HKUnit = { 18 | return HKUnit.moleUnit(with: .milli, molarMass: HKUnitMolarMassBloodGlucose).unitDivided(by: .liter()) 19 | }() 20 | 21 | var foundationUnit: Unit? { 22 | if self == HKUnit.milligramsPerDeciliter { 23 | return UnitConcentrationMass.milligramsPerDeciliter 24 | } 25 | 26 | if self == HKUnit.millimolesPerLiter { 27 | return UnitConcentrationMass.millimolesPerLiter(withGramsPerMole: HKUnitMolarMassBloodGlucose) 28 | } 29 | 30 | if self == HKUnit.gram() { 31 | return UnitMass.grams 32 | } 33 | 34 | return nil 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /OmniBLE/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | $(PRODUCT_BUNDLE_PACKAGE_TYPE) 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | $(CURRENT_PROJECT_VERSION) 21 | com.loopkit.Loop.PumpManagerDisplayName 22 | Omnipod Dash 23 | com.loopkit.Loop.PumpManagerIdentifier 24 | Omnipod-Dash 25 | NSPrincipalClass 26 | OmniBLE.OmnipodPlugin 27 | 28 | 29 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Pair/PairMessage.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PairMessage.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/4/21. 6 | // 7 | 8 | import Foundation 9 | 10 | struct PairMessage { 11 | public let sequenceNumber: UInt8 12 | public let source: Id 13 | public let destination: Id 14 | private let keys: [String] 15 | private let payloads: [Data] 16 | public let message: MessagePacket 17 | 18 | init(sequenceNumber: UInt8, source: Id, destination: Id, keys: [String], payloads: [Data]) { 19 | self.sequenceNumber = sequenceNumber 20 | self.source = source 21 | self.destination = destination 22 | self.keys = keys 23 | self.payloads = payloads 24 | message = MessagePacket( 25 | type: MessageType.PAIRING, 26 | destination: destination.toUInt32(), 27 | payload: StringLengthPrefixEncoding.formatKeys( 28 | keys: keys, 29 | payloads: payloads 30 | ), 31 | sequenceNumber :sequenceNumber, 32 | sas: true 33 | ) 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/CBPeripheral.swift: -------------------------------------------------------------------------------- 1 | // 2 | // CBPeripheral.swift 3 | // xDripG5 4 | // 5 | // Copyright © 2017 LoopKit Authors. All rights reserved. 6 | // 7 | 8 | import CoreBluetooth 9 | 10 | 11 | // MARK: - Discovery helpers. 12 | extension CBPeripheral { 13 | func servicesToDiscover(from serviceUUIDs: [CBUUID]) -> [CBUUID] { 14 | let knownServiceUUIDs = services?.compactMap({ $0.uuid }) ?? [] 15 | return serviceUUIDs.filter({ !knownServiceUUIDs.contains($0) }) 16 | } 17 | 18 | func characteristicsToDiscover(from characteristicUUIDs: [CBUUID], for service: CBService) -> [CBUUID] { 19 | let knownCharacteristicUUIDs = service.characteristics?.compactMap({ $0.uuid }) ?? [] 20 | return characteristicUUIDs.filter({ !knownCharacteristicUUIDs.contains($0) }) 21 | } 22 | } 23 | 24 | 25 | extension Collection where Element: CBAttribute { 26 | func itemWithUUID(_ uuid: CBUUID) -> Element? { 27 | for attribute in self { 28 | if attribute.uuid == uuid { 29 | return attribute 30 | } 31 | } 32 | 33 | return nil 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2021 Randall Knutson 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/DeactivatePodCommand.swift: -------------------------------------------------------------------------------- 1 | // 2 | // DeactivatePodCommand.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 2/24/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct DeactivatePodCommand : NonceResyncableMessageBlock { 12 | 13 | // ID1:1f00ee84 PTYPE:PDM SEQ:09 ID2:1f00ee84 B9:34 BLEN:6 MTYPE:1c04 BODY:0f7dc4058344 CRC:f1 14 | 15 | public let blockType: MessageBlockType = .deactivatePod 16 | 17 | public var nonce: UInt32 18 | 19 | // e1f78752 07 8196 20 | public var data: Data { 21 | var data = Data([ 22 | blockType.rawValue, 23 | 4, 24 | ]) 25 | data.appendBigEndian(nonce) 26 | return data 27 | } 28 | 29 | public init(encodedData: Data) throws { 30 | if encodedData.count < 6 { 31 | throw MessageBlockError.notEnoughData 32 | } 33 | self.nonce = encodedData[2...].toBigEndian(UInt32.self) 34 | } 35 | 36 | public init(nonce: UInt32) { 37 | self.nonce = nonce 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /OmniBLETests/Driver/Comm/message/PayloadSplitterTest.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PayloadSplitterTest.swift 3 | // OmniBLE 4 | // 5 | // Created by Bill Gestrich on 12/11/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import OmniBLE 11 | 12 | class PayloadSplitterTest: XCTestCase { 13 | func testSplitter() { 14 | let f1 = "00,01,54,57,10,23,03,00,00,c0,ff,ff,ff,fe,08,20,2e,a8,50,30".replacingOccurrences(of:",", with:"") 15 | let f2 = "01,04,bc,20,1f,f6,3d,00,01,a5,ff,ff,ff,fe,08,20,2e,a8,50,30".replacingOccurrences(of:",", with:"") 16 | let payload = Data(hexadecimalString: "54,57,10,23,03,00,00,c0,ff,ff,ff,fe,08,20,2e,a8,50,30,3d,00,01,a5".replacingOccurrences(of:",", with:""))! 17 | 18 | let splitter = PayloadSplitter(payload: payload) 19 | let packets = splitter.splitInPackets() 20 | 21 | assert(packets.count == 2) 22 | assert(f1 == packets[0].toData().hexadecimalString) 23 | let p2 = packets[1].toData().hexadecimalString 24 | assert(p2.count >= 10) 25 | 26 | assert(f2.substring(startIndex:0, toIndex:20) == p2.substring(startIndex: 0, toIndex: 20)) 27 | } 28 | 29 | } 30 | -------------------------------------------------------------------------------- /carthage.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | 3 | set -euo pipefail 4 | 5 | xcconfig=$(mktemp /tmp/static.xcconfig.XXXXXX) 6 | trap 'rm -f "$xcconfig"' INT TERM HUP EXIT 7 | 8 | # For Xcode 12 make sure EXCLUDED_ARCHS is set to arm architectures otherwise 9 | # the build will fail on lipo due to duplicate architectures. 10 | 11 | CURRENT_XCODE_VERSION="$(xcodebuild -version | grep "Xcode" | cut -d' ' -f2 | cut -d'.' -f1)00" 12 | CURRENT_XCODE_BUILD=$(xcodebuild -version | grep "Build version" | cut -d' ' -f3) 13 | 14 | echo "EXCLUDED_ARCHS__EFFECTIVE_PLATFORM_SUFFIX_simulator__NATIVE_ARCH_64_BIT_x86_64__XCODE_${CURRENT_XCODE_VERSION}__BUILD_${CURRENT_XCODE_BUILD} = arm64 arm64e armv7 armv7s armv6 armv8" >> $xcconfig 15 | 16 | echo 'EXCLUDED_ARCHS__EFFECTIVE_PLATFORM_SUFFIX_simulator__NATIVE_ARCH_64_BIT_x86_64__XCODE_'${CURRENT_XCODE_VERSION}' = $(EXCLUDED_ARCHS__EFFECTIVE_PLATFORM_SUFFIX_simulator__NATIVE_ARCH_64_BIT_x86_64__XCODE_$(XCODE_VERSION_MAJOR)__BUILD_$(XCODE_PRODUCT_BUILD_VERSION))' >> $xcconfig 17 | echo 'EXCLUDED_ARCHS = $(inherited) $(EXCLUDED_ARCHS__EFFECTIVE_PLATFORM_SUFFIX_$(EFFECTIVE_PLATFORM_SUFFIX)__NATIVE_ARCH_64_BIT_$(NATIVE_ARCH_64_BIT)__XCODE_$(XCODE_VERSION_MAJOR))' >> $xcconfig 18 | 19 | export XCODE_XCCONFIG_FILE="$xcconfig" 20 | carthage "$@" 21 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/AssignAddressCommand.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AssignAddressCommand.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 2/12/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct AssignAddressCommand : MessageBlock { 12 | 13 | public let blockType: MessageBlockType = .assignAddress 14 | public let length: Int = 6 15 | 16 | let address: UInt32 17 | 18 | public var data: Data { 19 | var data = Data([ 20 | blockType.rawValue, 21 | 4 22 | ]) 23 | data.appendBigEndian(self.address) 24 | return data 25 | } 26 | 27 | public init(encodedData: Data) throws { 28 | if encodedData.count < length { 29 | throw MessageBlockError.notEnoughData 30 | } 31 | 32 | self.address = encodedData[2...].toBigEndian(UInt32.self) 33 | } 34 | 35 | public init(address: UInt32) { 36 | self.address = address 37 | } 38 | } 39 | 40 | extension AssignAddressCommand: CustomDebugStringConvertible { 41 | public var debugDescription: String { 42 | return "AssignAddressCommand(address:\(Data(bigEndian: address).hexadecimalString))" 43 | } 44 | } 45 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Util/X25519KeyGenerator.swift: -------------------------------------------------------------------------------- 1 | // 2 | // X25519KeyGenerator.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/8/21. 6 | // 7 | import CryptoKit 8 | import Foundation 9 | 10 | struct X25519KeyGenerator: PrivateKeyGenerator { 11 | func generatePrivateKey() -> Data { 12 | let key = Curve25519.KeyAgreement.PrivateKey() 13 | return key.rawRepresentation 14 | } 15 | func publicFromPrivate(_ privateKey: Data) throws -> Data{ 16 | let key = try Curve25519.KeyAgreement.PrivateKey(rawRepresentation: privateKey) 17 | return key.publicKey.rawRepresentation 18 | } 19 | func computeSharedSecret(_ privateKey: Data, _ publicKey: Data) throws -> Data { 20 | let priv = try Curve25519.KeyAgreement.PrivateKey(rawRepresentation: privateKey) 21 | let pub = try Curve25519.KeyAgreement.PublicKey(rawRepresentation: publicKey) 22 | let secret = try priv.sharedSecretFromKeyAgreement(with: pub) 23 | return secret.withUnsafeBytes({ return Data($0)}) 24 | } 25 | } 26 | 27 | protocol PrivateKeyGenerator { 28 | func generatePrivateKey() -> Data 29 | func publicFromPrivate(_ privateKey: Data) throws -> Data 30 | func computeSharedSecret(_ privateKey: Data, _ publicKey: Data) throws -> Data 31 | } 32 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/AcknowledgeAlertCommand.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AcknowledgeAlertCommand.swift 3 | // OmniKit 4 | // 5 | // Created by Eelke Jager on 18/09/2018. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct AcknowledgeAlertCommand : NonceResyncableMessageBlock { 12 | // OFF 1 2 3 4 5 6 13 | // 11 05 NNNNNNNN MM 14 | 15 | public let blockType: MessageBlockType = .acknowledgeAlert 16 | public let length: UInt8 = 5 17 | public var nonce: UInt32 18 | public let alerts: AlertSet 19 | 20 | public init(nonce: UInt32, alerts: AlertSet) { 21 | self.nonce = nonce 22 | self.alerts = alerts 23 | } 24 | 25 | public init(encodedData: Data) throws { 26 | if encodedData.count < 7 { 27 | throw MessageBlockError.notEnoughData 28 | } 29 | self.nonce = encodedData[2...].toBigEndian(UInt32.self) 30 | self.alerts = AlertSet(rawValue: encodedData[6]) 31 | } 32 | 33 | public var data: Data { 34 | var data = Data([ 35 | blockType.rawValue, 36 | length 37 | ]) 38 | data.appendBigEndian(nonce) 39 | data.append(alerts.rawValue) 40 | return data 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/PodInfoResponse.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PodInfoResponse.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 2/23/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct PodInfoResponse : MessageBlock { 12 | 13 | public let blockType : MessageBlockType = .podInfoResponse 14 | public let podInfoResponseSubType : PodInfoResponseSubType 15 | public let podInfo : PodInfo 16 | public let data : Data 17 | 18 | public init(encodedData: Data) throws { 19 | guard let subType = PodInfoResponseSubType(rawValue: encodedData[2]) else { 20 | throw MessageError.unknownValue(value: encodedData[2], typeDescription: "PodInfoResponseSubType") 21 | } 22 | self.podInfoResponseSubType = subType 23 | let len = encodedData.count 24 | podInfo = try podInfoResponseSubType.podInfoType.init(encodedData: encodedData.subdata(in: 2..= 16 else { 25 | throw MessageBlockError.notEnoughData 26 | } 27 | self.faultEventCode = FaultEventCode(rawValue: encodedData[1]) 28 | self.timeActivation = TimeInterval(minutes: Double((Int(encodedData[2] & 0b1) << 8) + Int(encodedData[3]))) 29 | self.dateTime = DateComponents(encodedDateTime: encodedData.subdata(in: 12..<17)) 30 | self.data = Data(encodedData) 31 | } 32 | } 33 | 34 | extension DateComponents { 35 | init(encodedDateTime: Data) { 36 | self.init() 37 | 38 | year = Int(encodedDateTime[2]) + 2000 39 | month = Int(encodedDateTime[0]) 40 | day = Int(encodedDateTime[1]) 41 | hour = Int(encodedDateTime[3]) 42 | minute = Int(encodedDateTime[4]) 43 | 44 | calendar = Calendar(identifier: .gregorian) 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/PodInfo.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PodInfoResponseSubType.swift 3 | // OmniKit 4 | // 5 | // Created by Eelke Jager on 15/09/2018. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public protocol PodInfo { 12 | init(encodedData: Data) throws 13 | var podInfoType: PodInfoResponseSubType { get } 14 | var data: Data { get } 15 | 16 | } 17 | 18 | public enum PodInfoResponseSubType: UInt8, Equatable { 19 | case normal = 0x00 20 | case configuredAlerts = 0x01 // Returns information on configured alerts 21 | case detailedStatus = 0x02 // Returned on any pod fault 22 | case pulseLogPlus = 0x03 // Returns up to the last 60 pulse log entries plus additional info 23 | case activationTime = 0x05 // Returns activation date, elapsed time, and fault code 24 | case pulseLogRecent = 0x50 // Returns the last 50 pulse log entries 25 | case pulseLogPrevious = 0x51 // Like 0x50, but returns up to the previous 50 entries before the last 50 26 | 27 | public var podInfoType: PodInfo.Type { 28 | switch self { 29 | case .normal: 30 | return StatusResponse.self as! PodInfo.Type 31 | case .configuredAlerts: 32 | return PodInfoConfiguredAlerts.self 33 | case .detailedStatus: 34 | return DetailedStatus.self 35 | case .pulseLogPlus: 36 | return PodInfoPulseLogPlus.self 37 | case .activationTime: 38 | return PodInfoActivationTime.self 39 | case .pulseLogRecent: 40 | return PodInfoPulseLogRecent.self 41 | case .pulseLogPrevious: 42 | return PodInfoPulseLogPrevious.self 43 | } 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /Common/TimeInterval.swift: -------------------------------------------------------------------------------- 1 | // 2 | // NSTimeInterval.swift 3 | // OmnipodKit 4 | // 5 | // Created by Nathan Racklyeft on 1/9/16. 6 | // Copyright © 2016 Nathan Racklyeft. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | 12 | extension TimeInterval { 13 | 14 | static func days(_ days: Double) -> TimeInterval { 15 | return self.init(days: days) 16 | } 17 | 18 | static func hours(_ hours: Double) -> TimeInterval { 19 | return self.init(hours: hours) 20 | } 21 | 22 | static func minutes(_ minutes: Int) -> TimeInterval { 23 | return self.init(minutes: Double(minutes)) 24 | } 25 | 26 | static func minutes(_ minutes: Double) -> TimeInterval { 27 | return self.init(minutes: minutes) 28 | } 29 | 30 | static func seconds(_ seconds: Double) -> TimeInterval { 31 | return self.init(seconds) 32 | } 33 | 34 | static func milliseconds(_ milliseconds: Double) -> TimeInterval { 35 | return self.init(milliseconds / 1000) 36 | } 37 | 38 | init(days: Double) { 39 | self.init(hours: days * 24) 40 | } 41 | 42 | init(hours: Double) { 43 | self.init(minutes: hours * 60) 44 | } 45 | 46 | init(minutes: Double) { 47 | self.init(minutes * 60) 48 | } 49 | 50 | init(seconds: Double) { 51 | self.init(seconds) 52 | } 53 | 54 | init(milliseconds: Double) { 55 | self.init(milliseconds / 1000) 56 | } 57 | 58 | var milliseconds: Double { 59 | return self * 1000 60 | } 61 | 62 | init(hundredthsOfMilliseconds: Double) { 63 | self.init(hundredthsOfMilliseconds / 100000) 64 | } 65 | 66 | var hundredthsOfMilliseconds: Double { 67 | return self * 100000 68 | } 69 | 70 | var minutes: Double { 71 | return self / 60.0 72 | } 73 | 74 | var hours: Double { 75 | return minutes / 60.0 76 | } 77 | 78 | } 79 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/PodInsulinMeasurements.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PodInsulinMeasurements.swift 3 | // OmnipodKit 4 | // 5 | // Created by Pete Schwamb on 9/5/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct PodInsulinMeasurements: RawRepresentable, Equatable { 12 | public typealias RawValue = [String: Any] 13 | 14 | public let validTime: Date 15 | public let delivered: Double 16 | public let reservoirLevel: Double? 17 | 18 | public init(insulinDelivered: Double, reservoirLevel: Double?, setupUnitsDelivered: Double?, validTime: Date) { 19 | self.validTime = validTime 20 | self.reservoirLevel = reservoirLevel 21 | if let setupUnitsDelivered = setupUnitsDelivered { 22 | self.delivered = insulinDelivered - setupUnitsDelivered 23 | } else { 24 | // subtract off the fixed setup command values as we don't have an actual value (yet) 25 | self.delivered = max(insulinDelivered - Pod.primeUnits - Pod.cannulaInsertionUnits, 0) 26 | } 27 | } 28 | 29 | // RawRepresentable 30 | public init?(rawValue: RawValue) { 31 | guard 32 | let validTime = rawValue["validTime"] as? Date, 33 | let delivered = rawValue["delivered"] as? Double 34 | else { 35 | return nil 36 | } 37 | self.validTime = validTime 38 | self.delivered = delivered 39 | self.reservoirLevel = rawValue["reservoirLevel"] as? Double 40 | } 41 | 42 | public var rawValue: RawValue { 43 | var rawValue: RawValue = [ 44 | "validTime": validTime, 45 | "delivered": delivered 46 | ] 47 | 48 | if let reservoirLevel = reservoirLevel { 49 | rawValue["reservoirLevel"] = reservoirLevel 50 | } 51 | 52 | return rawValue 53 | } 54 | } 55 | 56 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/PodDoseProgressEstimator.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PodDoseProgressEstimator.swift 3 | // OmnipodKit 4 | // 5 | // Created by Pete Schwamb on 3/12/19. 6 | // Copyright © 2019 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import LoopKit 11 | 12 | class PodDoseProgressEstimator: DoseProgressTimerEstimator { 13 | 14 | let dose: DoseEntry 15 | 16 | weak var pumpManager: PumpManager? 17 | 18 | override var progress: DoseProgress { 19 | let elapsed = -dose.startDate.timeIntervalSinceNow 20 | let duration = dose.endDate.timeIntervalSince(dose.startDate) 21 | let percentComplete = min(elapsed / duration, 1) 22 | let delivered = pumpManager?.roundToSupportedBolusVolume(units: percentComplete * dose.programmedUnits) ?? dose.programmedUnits 23 | return DoseProgress(deliveredUnits: delivered, percentComplete: percentComplete) 24 | } 25 | 26 | init(dose: DoseEntry, pumpManager: PumpManager, reportingQueue: DispatchQueue) { 27 | self.dose = dose 28 | self.pumpManager = pumpManager 29 | super.init(reportingQueue: reportingQueue) 30 | } 31 | 32 | override func timerParameters() -> (delay: TimeInterval, repeating: TimeInterval) { 33 | let timeSinceStart = dose.startDate.timeIntervalSinceNow 34 | let timeBetweenPulses: TimeInterval 35 | switch dose.type { 36 | case .bolus: 37 | timeBetweenPulses = Pod.pulseSize / Pod.bolusDeliveryRate 38 | case .basal, .tempBasal: 39 | timeBetweenPulses = Pod.pulseSize / (dose.unitsPerHour / TimeInterval(hours: 1)) 40 | default: 41 | fatalError("Can only estimate progress on basal rates or boluses.") 42 | } 43 | let delayUntilNextPulse = timeBetweenPulses - timeSinceStart.remainder(dividingBy: timeBetweenPulses) 44 | 45 | return (delay: delayUntilNextPulse, repeating: timeBetweenPulses) 46 | } 47 | } 48 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/ErrorResponse.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ErrorResponse.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 2/25/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | fileprivate let errorResponseCode_badNonce: UInt8 = 0x14 12 | 13 | public enum ErrorResponseType { 14 | case badNonce(nonceResyncKey: UInt16) 15 | case nonretryableError(code: UInt8, faultEventCode: FaultEventCode, podProgress: PodProgressStatus) 16 | } 17 | 18 | // 06 14 WWWW, WWWW is the encoded nonce resync key 19 | // 06 EE FF0P, EE != 0x14, FF = fault code (if any), 0P = pod progress status (1..15) 20 | 21 | public struct ErrorResponse : MessageBlock { 22 | public let blockType: MessageBlockType = .errorResponse 23 | public let errorResponseType: ErrorResponseType 24 | public let data: Data 25 | 26 | public init(encodedData: Data) throws { 27 | let errorCode = encodedData[2] 28 | switch (errorCode) { 29 | case errorResponseCode_badNonce: 30 | // For this error code only the 2 next bytes are the encoded nonce resync key. 31 | let nonceResyncKey: UInt16 = encodedData[3...].toBigEndian(UInt16.self) 32 | errorResponseType = .badNonce(nonceResyncKey: nonceResyncKey) 33 | break 34 | default: 35 | // All other error codes are some non-retryable command error. In this case, 36 | // the next 2 bytes are any saved fault code (typically 0) and the pod progress value. 37 | let faultEventCode = FaultEventCode(rawValue: encodedData[3]) 38 | guard let podProgress = PodProgressStatus(rawValue: encodedData[4]) else { 39 | throw MessageError.unknownValue(value: encodedData[4], typeDescription: "ErrorResponse PodProgressStatus") 40 | } 41 | errorResponseType = .nonretryableError(code: errorCode, faultEventCode: faultEventCode, podProgress: podProgress) 42 | break 43 | } 44 | self.data = encodedData 45 | } 46 | } 47 | 48 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/PodInfoConfiguredAlerts.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PodInfoConfiguredAlerts.swift 3 | // OmniKit 4 | // 5 | // Created by Eelke Jager on 16/09/2018. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | // Type 1 Pod Info returns information about the currently configured alerts 12 | public struct PodInfoConfiguredAlerts : PodInfo { 13 | // CMD 1 2 3 4 5 6 7 8 910 1112 1314 1516 1718 1920 14 | // DATA 0 1 2 3 4 5 6 7 8 910 1112 1314 1516 1718 15 | // 02 13 01 XXXX VVVV VVVV VVVV VVVV VVVV VVVV VVVV VVVV 16 | 17 | public let podInfoType : PodInfoResponseSubType = .configuredAlerts 18 | public let word_278 : Data 19 | public let alertsActivations : [AlertActivation] 20 | public let data : Data 21 | 22 | public struct AlertActivation { 23 | let beepType: BeepType 24 | let unitsLeft: Double 25 | let timeFromPodStart: UInt8 26 | 27 | public init(beepType: BeepType, timeFromPodStart: UInt8, unitsLeft: Double) { 28 | self.beepType = beepType 29 | self.timeFromPodStart = timeFromPodStart 30 | self.unitsLeft = unitsLeft 31 | } 32 | } 33 | 34 | public init(encodedData: Data) throws { 35 | guard encodedData.count >= 11 else { 36 | throw MessageBlockError.notEnoughData 37 | } 38 | 39 | self.word_278 = encodedData[1...2] 40 | 41 | let numAlertTypes = 8 42 | let beepType = BeepType.self 43 | 44 | var activations = [AlertActivation]() 45 | 46 | for alarmType in (0.. = Array() 16 | 17 | init(firstPacket: Data) throws { 18 | let firstPacket = try FirstBlePacket.parse(payload: firstPacket) 19 | fragments.append(firstPacket) 20 | fullFragments = firstPacket.fullFragments 21 | crc = firstPacket.crc32 22 | oneExtraPacket = firstPacket.oneExtraPacket 23 | } 24 | 25 | func accumulate(packet: Data) throws { 26 | if (packet.count < 3) { // idx, size, at least 1 byte of payload 27 | throw BluetoothErrors.IncorrectPacketException(packet, (expectedIndex + 1)) 28 | } 29 | let idx = Int(packet[0]) 30 | if (idx != expectedIndex + 1) { 31 | throw BluetoothErrors.IncorrectPacketException(packet, (expectedIndex + 1)) 32 | } 33 | expectedIndex += 1 34 | switch idx{ 35 | case let index where index < fullFragments: 36 | fragments.append(try MiddleBlePacket.parse(payload: packet)) 37 | case let index where index == fullFragments: 38 | let lastPacket = try LastBlePacket.parse(payload: packet) 39 | fragments.append(lastPacket) 40 | crc = lastPacket.crc32 41 | oneExtraPacket = lastPacket.oneExtraPacket 42 | case let index where index == fullFragments + 1 && oneExtraPacket: 43 | fragments.append(try LastOptionalPlusOneBlePacket.parse(payload: packet)) 44 | case let index where index > fullFragments: 45 | throw BluetoothErrors.IncorrectPacketException(packet, idx) 46 | default: 47 | throw BluetoothErrors.IncorrectPacketException(packet, idx) 48 | } 49 | } 50 | 51 | func finalize() throws -> Data { 52 | let payloads = fragments.map { x in x.payload } 53 | let bb = payloads.reduce(Data(), { acc, elem in acc + elem }) 54 | if (bb.crc32() != crc) { 55 | print("uh oh") 56 | // throw CrcMismatchException(bb.crc32(), crc, bb) 57 | } 58 | return bb 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /OmniBLETests/Driver/Comm/message/MessagePacketTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MessagePacketTests.swift 3 | // OmniBLE 4 | // 5 | // Created by Bill Gestrich on 12/11/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import OmniBLE 11 | 12 | class MessagePacketTests: XCTestCase { 13 | 14 | let payloadString = "54,57,11,01,07,00,03,40,08,20,2e,a8,08,20,2e,a9,ab,35,d8,31,60,9b,b8,fe,3a,3b,de,5b,18,37,24,9a,16,db,f8,e4,d3,05,e9,75,dc,81,7c,37,07,cc,41,5f,af,8a".replacingOccurrences(of: ",", with: "") 15 | 16 | func testParseMessagePacket() { 17 | let msg = try! MessagePacket.parse(payload: Data(hexadecimalString: payloadString)!) 18 | assert(msg.type == MessageType.ENCRYPTED) 19 | assert(msg.source == Id.fromLong(136326824)) 20 | assert(msg.destination == Id.fromLong(136326825)) 21 | assert(msg.sequenceNumber == 7) 22 | assert(msg.ackNumber == 0) 23 | assert(msg.eqos == 1) 24 | assert(msg.priority == false) 25 | assert(msg.lastMessage == false) 26 | assert(msg.gateway == false) 27 | assert(msg.sas == true) 28 | assert(msg.tfs == false) 29 | assert(msg.version == 0) 30 | let index1 = payloadString.index(payloadString.startIndex, offsetBy: 32) 31 | let toCheck = payloadString[index1...] 32 | assert(msg.payload.hexadecimalString == String(toCheck)) 33 | } 34 | 35 | 36 | func testSerializeMessagePacket() { 37 | let payload = Data(hexadecimalString: payloadString)! 38 | let msg = MessagePacket(type: .ENCRYPTED, 39 | source: Id.fromLong(136326824).toUInt32(), 40 | destination: Id.fromLong(136326825).toUInt32(), 41 | payload: payload, 42 | sequenceNumber: 0, 43 | ack: false, ackNumber: 0, 44 | eqos: 1, 45 | priority: false, 46 | lastMessage: false, 47 | gateway: false, 48 | sas: true, 49 | tfs: false, 50 | version: 0) 51 | 52 | assert(msg.payload.bytes.toHexString() == payloadString) 53 | } 54 | 55 | } 56 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 4 | .DS_Store 5 | 6 | ## User settings 7 | xcuserdata/ 8 | 9 | ## compatibility with Xcode 8 and earlier (ignoring not required starting Xcode 9) 10 | *.xcscmblueprint 11 | *.xccheckout 12 | 13 | ## compatibility with Xcode 3 and earlier (ignoring not required starting Xcode 4) 14 | build/ 15 | DerivedData/ 16 | *.moved-aside 17 | *.pbxuser 18 | !default.pbxuser 19 | *.mode1v3 20 | !default.mode1v3 21 | *.mode2v3 22 | !default.mode2v3 23 | *.perspectivev3 24 | !default.perspectivev3 25 | 26 | ## Obj-C/Swift specific 27 | *.hmap 28 | 29 | ## App packaging 30 | *.ipa 31 | *.dSYM.zip 32 | *.dSYM 33 | 34 | ## Playgrounds 35 | timeline.xctimeline 36 | playground.xcworkspace 37 | 38 | # Swift Package Manager 39 | # 40 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies. 41 | # Packages/ 42 | # Package.pins 43 | # Package.resolved 44 | # *.xcodeproj 45 | # 46 | # Xcode automatically generates this directory with a .xcworkspacedata file and xcuserdata 47 | # hence it is not needed unless you have added a package configuration file to your project 48 | # .swiftpm 49 | 50 | .build/ 51 | 52 | # CocoaPods 53 | # 54 | # We recommend against adding the Pods directory to your .gitignore. However 55 | # you should judge for yourself, the pros and cons are mentioned at: 56 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 57 | # 58 | # Pods/ 59 | # 60 | # Add this line if you want to avoid checking in source code from the Xcode workspace 61 | # *.xcworkspace 62 | 63 | # Carthage 64 | # 65 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 66 | # Carthage/Checkouts 67 | 68 | Carthage/Build/ 69 | 70 | # Accio dependency management 71 | Dependencies/ 72 | .accio/ 73 | 74 | # fastlane 75 | # 76 | # It is recommended to not store the screenshots in the git repo. 77 | # Instead, use fastlane to re-generate the screenshots whenever they are needed. 78 | # For more information about the recommended setup visit: 79 | # https://docs.fastlane.tools/best-practices/source-control/#source-control 80 | 81 | fastlane/report.xml 82 | fastlane/Preview.html 83 | fastlane/screenshots/**/*.png 84 | fastlane/test_output 85 | 86 | # Code Injection 87 | # 88 | # After new code Injection tools there's a generated folder /iOSInjectionProject 89 | # https://github.com/johnno1962/injectionforxcode 90 | 91 | iOSInjectionProject/ 92 | -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/ExpirationReminderDateTableViewCell.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ExpirationReminderDateTableViewCell.swift 3 | // OmnipodKit 4 | // 5 | // Created by Pete Schwamb on 4/11/19. 6 | // Copyright © 2019 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import LoopKitUI 11 | 12 | public class ExpirationReminderDateTableViewCell: DatePickerTableViewCell { 13 | 14 | public weak var delegate: DatePickerTableViewCellDelegate? 15 | 16 | @IBOutlet public weak var titleLabel: UILabel! { 17 | didSet { 18 | // Setting this color in code because the nib isn't being applied correctly 19 | if #available(iOSApplicationExtension 13.0, *) { 20 | titleLabel?.textColor = .label 21 | } 22 | } 23 | } 24 | 25 | @IBOutlet public weak var dateLabel: UILabel! { 26 | didSet { 27 | // Setting this color in code because the nib isn't being applied correctly 28 | if #available(iOSApplicationExtension 13.0, *) { 29 | dateLabel?.textColor = .secondaryLabel 30 | } 31 | 32 | switch effectiveUserInterfaceLayoutDirection { 33 | case .leftToRight: 34 | dateLabel?.textAlignment = .right 35 | case .rightToLeft: 36 | dateLabel?.textAlignment = .left 37 | @unknown default: 38 | dateLabel?.textAlignment = .right 39 | } 40 | } 41 | } 42 | 43 | var maximumDate: Date? { 44 | set { 45 | datePicker.maximumDate = newValue 46 | } 47 | get { 48 | return datePicker.maximumDate 49 | } 50 | } 51 | 52 | var minimumDate: Date? { 53 | set { 54 | datePicker.minimumDate = newValue 55 | } 56 | get { 57 | return datePicker.minimumDate 58 | } 59 | } 60 | 61 | private lazy var formatter: DateFormatter = { 62 | let formatter = DateFormatter() 63 | formatter.timeStyle = .short 64 | formatter.dateStyle = .medium 65 | formatter.doesRelativeDateFormatting = true 66 | 67 | return formatter 68 | }() 69 | 70 | public override func updateDateLabel() { 71 | dateLabel.text = formatter.string(from: date) 72 | } 73 | 74 | public override func dateChanged(_ sender: UIDatePicker) { 75 | super.dateChanged(sender) 76 | 77 | delegate?.datePickerTableViewCellDidUpdateDate(self) 78 | } 79 | } 80 | 81 | extension ExpirationReminderDateTableViewCell: NibLoadable { } 82 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Id.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Id.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/5/21. 6 | // 7 | 8 | import Foundation 9 | 10 | class Id: Equatable { 11 | 12 | static private let PERIPHERAL_NODE_INDEX: UInt8 = 1 13 | 14 | static func fromInt(_ v: Int) -> Id { 15 | return Id(Data(bigEndian: v).subdata(in: 4..<8)) 16 | } 17 | 18 | static func fromLong(_ v: UInt32) -> Id { 19 | return Id(Data(bigEndian: v)) 20 | } 21 | 22 | 23 | let address: Data 24 | 25 | init(_ address: Data) { 26 | guard address.count == 4 else { 27 | // TODO: Should probably throw an error here. 28 | // require(address.size == 4) 29 | self.address = Data([0x00, 0x00, 0x00, 0x00]) 30 | return 31 | } 32 | self.address = address 33 | } 34 | 35 | /** 36 | * Used to obtain podId from controllerId 37 | * The original PDM seems to rotate over 3 Ids: 38 | * controllerID+1, controllerID+2 and controllerID+3 39 | */ 40 | func increment() -> Id { 41 | var nodeId = address 42 | 43 | //Zero out last 2 bits on right which would round down in sequence of {4, 8, 12, 16, 20, ...} 44 | nodeId[3] = UInt8(Int(nodeId[3]) & -4) 45 | 46 | //Increment by adding 1 47 | nodeId[3] = nodeId[3] | Id.PERIPHERAL_NODE_INDEX 48 | return Id(nodeId) 49 | } 50 | 51 | /* 52 | TODO: the above implementation is ported from AndroidAPS while we implemented the version below. 53 | It is not clear if skipping every 4 numbers above is intentional or a bug. It would be preferred to use the 54 | AndroidAPS version though until we can successfully pair so we can send identical data payloads. 55 | */ 56 | /* 57 | func increment() -> Id { 58 | var val = address.toBigEndian(Int.self) 59 | val += 1 60 | if (val >= 4246) { 61 | val = 4243 62 | } 63 | return Id.fromInt(val) 64 | } 65 | */ 66 | 67 | // TODO: 68 | // override func toString(): String { 69 | // val asInt = ByteBuffer.wrap(address).int 70 | // return "$asInt/${address.toHex()}" 71 | // } 72 | 73 | func toInt64() -> Int64 { 74 | return address.toBigEndian(Int64.self) 75 | } 76 | 77 | 78 | func toUInt32() -> UInt32 { 79 | return address.toBigEndian(UInt32.self) 80 | } 81 | 82 | 83 | //MARK: Comparable 84 | 85 | static func == (lhs: Id, rhs: Id) -> Bool { 86 | return lhs.address == rhs.address 87 | } 88 | } 89 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/PodInfoPulseLogPlus.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PodInfoPulseLogPlus.swift 3 | // OmniKit 4 | // 5 | // Created by Eelke Jager on 22/09/2018. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | // Type 3 Pod Info returns up to the last 60 pulse log entries pulse some additional info 12 | public struct PodInfoPulseLogPlus : PodInfo { 13 | // CMD 1 2 3 4 5 6 7 8 9 10 14 | // DATA 0 1 2 3 4 5 6 7 8 15 | // 02 LL 03 PP QQQQ SSSS 04 3c XXXXXXXX ... 16 | 17 | public let podInfoType : PodInfoResponseSubType = .pulseLogPlus 18 | public let faultEventCode: FaultEventCode // fault code 19 | public let timeFaultEvent: TimeInterval // fault time since activation 20 | public let timeActivation: TimeInterval // current time since activation 21 | public let entrySize : Int // always 4 22 | public let maxEntries : Int // always 60 23 | public let nEntries : Int // how many 32-bit pulse log entries returned (calculated) 24 | public let pulseLog : [UInt32] 25 | public let data : Data 26 | 27 | public init(encodedData: Data) throws { 28 | guard encodedData[6] == MemoryLayout.size else { 29 | throw MessageError.unknownValue(value: encodedData[6], typeDescription: "pulseLog entry size") 30 | } 31 | let entrySize = Int(encodedData[6]) 32 | let logStartByteOffset = 8 // starting byte offset of the pulse log in DATA 33 | let nLogBytesReturned = encodedData.count - logStartByteOffset 34 | let nEntries = nLogBytesReturned / entrySize 35 | let maxEntries = Int(encodedData[7]) 36 | guard encodedData.count >= logStartByteOffset && (nLogBytesReturned & 0x3) == 0 else { 37 | throw MessageBlockError.notEnoughData // not enough data to start log or a non-integral # of pulse log entries 38 | } 39 | guard maxEntries >= nEntries else { 40 | throw MessageBlockError.parseError 41 | } 42 | self.entrySize = entrySize 43 | self.nEntries = nEntries 44 | self.maxEntries = maxEntries 45 | self.faultEventCode = FaultEventCode(rawValue: encodedData[1]) 46 | self.timeFaultEvent = TimeInterval(minutes: Double((Int(encodedData[2] & 0b1) << 8) + Int(encodedData[3]))) 47 | self.timeActivation = TimeInterval(minutes: Double((Int(encodedData[4] & 0b1) << 8) + Int(encodedData[5]))) 48 | self.pulseLog = createPulseLog(encodedData: encodedData, logStartByteOffset: logStartByteOffset, nEntries: self.nEntries) 49 | self.data = encodedData 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /Common/UIColor.swift: -------------------------------------------------------------------------------- 1 | // 2 | // UIColor.swift 3 | // OmnipodKit 4 | // 5 | // Created by Nathan Racklyeft on 1/23/16. 6 | // Copyright © 2016 Nathan Racklyeft. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | 12 | extension UIColor { 13 | @nonobjc static var tintColor: UIColor? = nil 14 | 15 | @nonobjc static let secondaryLabelColor = UIColor(red: 142 / 255, green: 142 / 255, blue: 147 / 255, alpha: 1) 16 | 17 | @nonobjc static let gridColor = UIColor(white: 193 / 255, alpha: 1) 18 | 19 | @nonobjc static let glucoseTintColor = UIColor.HIGTealBlueColor() 20 | 21 | @nonobjc static let IOBTintColor = UIColor.HIGOrangeColor() 22 | 23 | @nonobjc static let COBTintColor = UIColor.HIGYellowColor() 24 | 25 | @nonobjc static let doseTintColor = UIColor.HIGGreenColor() 26 | 27 | @nonobjc static let freshColor = UIColor.HIGGreenColor() 28 | 29 | @nonobjc static let agingColor = UIColor.HIGYellowColor() 30 | 31 | @nonobjc static let staleColor = UIColor.HIGRedColor() 32 | 33 | @nonobjc static let unknownColor = UIColor.HIGGrayColor().withAlphaComponent(0.5) 34 | 35 | @nonobjc static let deleteColor = UIColor.HIGRedColor() 36 | 37 | // MARK: - HIG colors 38 | // See: https://developer.apple.com/ios/human-interface-guidelines/visual-design/color/ 39 | 40 | private static func HIGTealBlueColor() -> UIColor { 41 | return UIColor(red: 90 / 255, green: 200 / 255, blue: 250 / 255, alpha: 1) 42 | } 43 | 44 | private static func HIGYellowColor() -> UIColor { 45 | return UIColor(red: 1, green: 204 / 255, blue: 0 / 255, alpha: 1) 46 | } 47 | 48 | private static func HIGOrangeColor() -> UIColor { 49 | return UIColor(red: 1, green: 149 / 255, blue: 0 / 255, alpha: 1) 50 | } 51 | 52 | private static func HIGPinkColor() -> UIColor { 53 | return UIColor(red: 1, green: 45 / 255, blue: 85 / 255, alpha: 1) 54 | } 55 | 56 | private static func HIGBlueColor() -> UIColor { 57 | return UIColor(red: 0, green: 122 / 255, blue: 1, alpha: 1) 58 | } 59 | 60 | private static func HIGGreenColor() -> UIColor { 61 | return UIColor(red: 76 / 255, green: 217 / 255, blue: 100 / 255, alpha: 1) 62 | } 63 | 64 | private static func HIGRedColor() -> UIColor { 65 | return UIColor(red: 1, green: 59 / 255, blue: 48 / 255, alpha: 1) 66 | } 67 | 68 | private static func HIGPurpleColor() -> UIColor { 69 | return UIColor(red: 88 / 255, green: 86 / 255, blue: 214 / 255, alpha: 1) 70 | } 71 | 72 | private static func HIGGrayColor() -> UIColor { 73 | return UIColor(red: 142 / 255, green: 143 / 255, blue: 147 / 255, alpha: 1) 74 | } 75 | 76 | } 77 | -------------------------------------------------------------------------------- /OmniBLETests/Driver/Comm/pair/KeyExchangeTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // KeyExchangeTests.swift 3 | // OmniBLE 4 | // 5 | // Created by Bill Gestrich on 12/11/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import OmniBLE 11 | 12 | class KeyExchangeTest: XCTestCase { 13 | 14 | func testKeyExchange() { 15 | 16 | let pdmNonce = Data(hexadecimalString:"edfdacb242c7f4e1d2bc4d93ca3c5706")! 17 | 18 | let privateKey = Data(hexadecimalString: "27ec94b71a201c5e92698d668806ae5ba00594c307cf5566e60c1fc53a6f6bb6")! 19 | let privateKeyGenerator = MockFixedPrivateKeyGenerator(fixedPrivateKey: privateKey, generator: X25519KeyGenerator()) 20 | let randomByteGenerator = MockRandomByteGenerator(fixedData: pdmNonce) 21 | let ke = try! KeyExchange( 22 | privateKeyGenerator, 23 | randomByteGenerator 24 | ) 25 | let podPublicKey = Data(hexadecimalString:"2fe57da347cd62431528daac5fbb290730fff684afc4cfc2ed90995f58cb3b74")! 26 | let podNonce = Data(hexadecimalString: "00000000000000000000000000000000")! 27 | try! ke.updatePodPublicData(podPublicKey + podNonce) 28 | assert(ke.pdmPublic.hexadecimalString == "f2b6940243aba536a66e19fb9a39e37f1e76a1cd50ab59b3e05313b4fc93975e") 29 | assert(ke.pdmConf.hexadecimalString == "5fc3b4da865e838ceaf1e9e8bb85d1ac") 30 | try! ke.validatePodConf(Data(hexadecimalString: "af4f10db5f96e5d9cd6cfc1f54f4a92f")!) 31 | assert(ke.ltk.hexadecimalString == "341e16d13f1cbf73b19d1c2964fee02b") 32 | } 33 | } 34 | 35 | 36 | 37 | struct MockRandomByteGenerator: RandomByteGenerator { 38 | 39 | let fixedData: Data 40 | 41 | func nextBytes(length: Int) -> Data { 42 | return fixedData 43 | } 44 | } 45 | 46 | struct MockFixedPrivateKeyGenerator: PrivateKeyGenerator { 47 | 48 | let fixedPrivateKey: Data 49 | private let realGenerator: PrivateKeyGenerator 50 | 51 | init(fixedPrivateKey: Data, generator: PrivateKeyGenerator){ 52 | self.fixedPrivateKey = fixedPrivateKey 53 | self.realGenerator = generator 54 | } 55 | 56 | func generatePrivateKey() -> Data { 57 | return fixedPrivateKey 58 | } 59 | 60 | func publicFromPrivate(_ privateKey: Data) throws -> Data { 61 | assert(privateKey == self.fixedPrivateKey) 62 | return try realGenerator.publicFromPrivate(privateKey) 63 | } 64 | 65 | func computeSharedSecret(_ privateKey: Data, _ publicKey: Data) throws -> Data { 66 | assert(privateKey == self.fixedPrivateKey) 67 | return try realGenerator.computeSharedSecret(privateKey, publicKey) 68 | } 69 | 70 | } 71 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Session/EapMessage.swift: -------------------------------------------------------------------------------- 1 | // 2 | // EapMessage.swift 3 | // OmniBLE 4 | // 5 | // Created by Randall Knutson on 11/8/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | enum EapCode: UInt8 { 12 | case REQUEST = 0x01 13 | case RESPONSE = 0x02 14 | case SUCCESS = 0x03 15 | case FAILURE = 0x04 16 | } 17 | 18 | struct EapMessage { 19 | var code: EapCode 20 | var identifier: UInt8 21 | var subType: UInt8 = 0 22 | var attributes: [EapAkaAttribute] 23 | 24 | func toData() -> Data { 25 | 26 | var joinedAttributes = Data() 27 | for attribute in attributes { 28 | joinedAttributes.append(attribute.toData()) 29 | } 30 | 31 | let attrSize = joinedAttributes.count 32 | if (attrSize == 0) { 33 | return Data([code.rawValue, identifier, 0x00, 0x04]) 34 | } 35 | let totalSize = EapMessage.HEADER_SIZE + attrSize 36 | 37 | var bb = Data() 38 | bb.append(code.rawValue) 39 | bb.append(identifier) 40 | bb.append(UInt8((totalSize >> 8) & 0xFF)) 41 | bb.append(UInt8(totalSize & 0xFF)) 42 | bb.append(UInt8(EapMessage.AKA_PACKET_TYPE)) 43 | bb.append(UInt8(EapMessage.SUBTYPE_AKA_CHALLENGE)) 44 | bb.append(Data([0x00, 0x00])) 45 | bb.append(joinedAttributes) 46 | 47 | return bb 48 | } 49 | 50 | private static let HEADER_SIZE = 8 51 | private static let SUBTYPE_AKA_CHALLENGE = 0x01 52 | static let SUBTYPE_SYNCRONIZATION_FAILURE = 0x04 53 | 54 | private static let AKA_PACKET_TYPE = 0x17 55 | 56 | static func parse(payload: Data) throws -> EapMessage { 57 | guard payload.count > 4 else { throw MessageError.notEnoughData } 58 | 59 | let totalSize = (Int(payload[2]) << 8) | Int(payload[3]) 60 | guard payload.count == totalSize else { throw MessageError.notEnoughData } 61 | 62 | 63 | if (payload.count == 4) { // SUCCESS/FAILURE 64 | return EapMessage( 65 | code: EapCode(rawValue: payload[0])!, 66 | identifier: payload[1], 67 | attributes: [] 68 | ) 69 | } 70 | if (totalSize > 0 && payload[4] != AKA_PACKET_TYPE) { 71 | throw MessageError.validationFailed(description: "Invalid eap payload.") 72 | } 73 | let attributesPayload = payload.subdata(in: 8.. UInt16 { 48 | 49 | var acc: UInt16 = 0 50 | for byte in self { 51 | let idx = (acc ^ UInt16(byte)) & 0xff 52 | acc = (acc >> 8) ^ crc16Table[Int(idx)] 53 | } 54 | return acc 55 | } 56 | } 57 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/MessageBlock.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MessageBlock.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 10/14/17. 6 | // Copyright © 2017 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public enum MessageBlockError: Error { 12 | case notEnoughData 13 | case unknownBlockType(rawVal: UInt8) 14 | case parseError 15 | } 16 | 17 | // See https://github.com/openaps/openomni/wiki/Message-Types 18 | public enum MessageBlockType: UInt8 { 19 | case versionResponse = 0x01 20 | case podInfoResponse = 0x02 21 | case setupPod = 0x03 22 | case errorResponse = 0x06 23 | case assignAddress = 0x07 24 | case faultConfig = 0x08 25 | case getStatus = 0x0e 26 | case acknowledgeAlert = 0x11 27 | case basalScheduleExtra = 0x13 28 | case tempBasalExtra = 0x16 29 | case bolusExtra = 0x17 30 | case configureAlerts = 0x19 31 | case setInsulinSchedule = 0x1a 32 | case deactivatePod = 0x1c 33 | case statusResponse = 0x1d 34 | case beepConfig = 0x1e 35 | case cancelDelivery = 0x1f 36 | 37 | public var blockType: MessageBlock.Type { 38 | switch self { 39 | case .versionResponse: 40 | return VersionResponse.self 41 | case .acknowledgeAlert: 42 | return AcknowledgeAlertCommand.self 43 | case .podInfoResponse: 44 | return PodInfoResponse.self 45 | case .setupPod: 46 | return SetupPodCommand.self 47 | case .errorResponse: 48 | return ErrorResponse.self 49 | case .assignAddress: 50 | return AssignAddressCommand.self 51 | case .getStatus: 52 | return GetStatusCommand.self 53 | case .basalScheduleExtra: 54 | return BasalScheduleExtraCommand.self 55 | case .bolusExtra: 56 | return BolusExtraCommand.self 57 | case .configureAlerts: 58 | return ConfigureAlertsCommand.self 59 | case .setInsulinSchedule: 60 | return SetInsulinScheduleCommand.self 61 | case .deactivatePod: 62 | return DeactivatePodCommand.self 63 | case .statusResponse: 64 | return StatusResponse.self 65 | case .tempBasalExtra: 66 | return TempBasalExtraCommand.self 67 | case .beepConfig: 68 | return BeepConfigCommand.self 69 | case .cancelDelivery: 70 | return CancelDeliveryCommand.self 71 | case .faultConfig: 72 | return FaultConfigCommand.self 73 | } 74 | } 75 | } 76 | 77 | public protocol MessageBlock { 78 | init(encodedData: Data) throws 79 | 80 | var blockType: MessageBlockType { get } 81 | var data: Data { get } 82 | } 83 | 84 | public protocol NonceResyncableMessageBlock : MessageBlock { 85 | var nonce: UInt32 { get set } 86 | } 87 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/StringLengthPrefixEncoding.swift: -------------------------------------------------------------------------------- 1 | // 2 | // StringLengthPrefixEncoding.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/5/21. 6 | // 7 | 8 | import Foundation 9 | 10 | final class StringLengthPrefixEncoding { 11 | 12 | static private let LENGTH_BYTES = 2 13 | 14 | static func parseKeys(_ keys: Array, _ payload: Data) throws -> [Data] { 15 | var ret = Array(repeating: Data(capacity: 0), count: keys.count) 16 | var remaining = payload 17 | for (index, key) in keys.enumerated() { 18 | guard remaining.count >= key.count else { 19 | throw BluetoothErrors.MessageIOException("Payload too short: \(payload)") 20 | } 21 | if (String(decoding: remaining.subdata(in: 0..= (key.count + LENGTH_BYTES) else { 29 | throw BluetoothErrors.MessageIOException("Payload too short: \(payload)") 30 | } 31 | remaining = remaining.subdata(in: key.count..= length else { 39 | throw BluetoothErrors.MessageIOException("Payload too short: \(payload)") 40 | } 41 | ret[index] = remaining.subdata(in: LENGTH_BYTES.., payloads: Array) -> Data { 48 | let payloadTotalSize = payloads.reduce(0, { acc, i in acc + i.count }) 49 | let keyTotalSize = keys.reduce(0, { acc, i in acc + i.count }) 50 | let zeros = payloads.reduce(0, { acc, i in acc + (i.count == 0 ? 1 : 0) }) 51 | 52 | var bb = Data(capacity: 2 * (keys.count - zeros) + keyTotalSize + payloadTotalSize) 53 | for (idx, key) in keys.enumerated() { 54 | let payload = payloads[idx] 55 | bb.append(key.data(using: .utf8)!) 56 | if (payload.count != 0) { 57 | bb.append(withUnsafeBytes(of: Int16(payload.count).bigEndian) { Data($0) }) 58 | bb.append(payload) 59 | } 60 | } 61 | 62 | return bb 63 | } 64 | } 65 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/EnDecrypt/EnDecrypt.swift: -------------------------------------------------------------------------------- 1 | // 2 | // EnDecrypt.swift 3 | // OmniBLE 4 | // 5 | // Created by Randall Knutson on 11/4/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import CryptoSwift 11 | import os.log 12 | 13 | class EnDecrypt { 14 | private let MAC_SIZE = 8 15 | private let log = OSLog(category: "EnDecrypt") 16 | private let nonce: Nonce 17 | private let ck: Data 18 | 19 | init(nonce: Nonce, ck: Data) { 20 | self.nonce = nonce 21 | self.ck = ck 22 | } 23 | 24 | func decrypt(_ msg: MessagePacket, _ nonceSeq: Int) throws -> MessagePacket { 25 | let payload = msg.payload 26 | let header = msg.asData(forEncryption: false).subdata(in: 0..<16) 27 | 28 | let n = nonce.toData(sqn: nonceSeq, podReceiving: false) 29 | log.debug("Decrypt ck %@", ck.hexadecimalString) 30 | log.debug("Decrypt header %@", header.hexadecimalString) 31 | log.debug("Decrypt payload: %@", payload.hexadecimalString) 32 | log.debug("Decrypt Nonce %@", n.hexadecimalString) 33 | log.debug("Decrypt Tag: %@", Data(payload).subdata(in: (payload.count - MAC_SIZE).. MessagePacket { 45 | let payload = headerMessage.payload 46 | let header = headerMessage.asData(forEncryption: true).subdata(in: 0..<16) 47 | 48 | let n = nonce.toData(sqn: nonceSeq, podReceiving: true) 49 | log.debug("Encrypt Ck %@", ck.hexadecimalString) 50 | log.debug("Encrypt Header %@", header.hexadecimalString) 51 | log.debug("Encrypt Payload: %@", payload.hexadecimalString) 52 | log.debug("Encrypt Nonce %@", n.hexadecimalString) 53 | let ccm = CCM(iv: n.bytes, tagLength: MAC_SIZE, messageLength: payload.count, additionalAuthenticatedData: header.bytes) 54 | let aes = try AES(key: ck.bytes, blockMode: ccm, padding: .noPadding) 55 | let encryptedPayload = try aes.encrypt(payload.bytes) 56 | log.debug("Encrypted payload: %@", Data(encryptedPayload).subdata(in: 0..<(encryptedPayload.count - MAC_SIZE)).hexadecimalString) 57 | log.debug("Encrypt Tag: %@", Data(encryptedPayload).subdata(in: (encryptedPayload.count - MAC_SIZE)..> 4)! 76 | } 77 | 78 | public init(nonce: UInt32, deliveryType: DeliveryType, beepType: BeepType) { 79 | self.nonce = nonce 80 | self.deliveryType = deliveryType 81 | self.beepType = beepType 82 | } 83 | } 84 | 85 | extension CancelDeliveryCommand: CustomDebugStringConvertible { 86 | public var debugDescription: String { 87 | return "CancelDeliveryCommand(nonce:\(Data(bigEndian: nonce).hexadecimalString), deliveryType:\(deliveryType), beepType:\(beepType))" 88 | } 89 | } 90 | -------------------------------------------------------------------------------- /OmniBLETests/Driver/Comm/endecrypt/EnDecryptTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // EnDecryptTests.swift 3 | // OmniBLE 4 | // 5 | // Created by Bill Gestrich on 12/11/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import OmniBLE 11 | 12 | class EnDecryptTest: XCTestCase { 13 | 14 | func testDecrypt() { 15 | let received = "54,57,11,a1,0c,16,03,00,08,20,2e,a9,08,20,2e,a8,34,7c,b9,7b,38,5d,45,a3,c4,0e,40,4c,55,71,5e,f3,c3,86,50,17,36,7e,62,3c,7d,0b,46,9e,81,cd,fd,9a".replacingOccurrences(of:",", with:"") 16 | let decryptedPayload = 17 | "30,2e,30,3d,00,12,08,20,2e,a9,1c,0a,1d,05,00,16,b0,00,00,00,0b,ff,01,fe".replacingOccurrences(of:",", with:"") 18 | 19 | let enDecrypt = EnDecrypt( 20 | nonce: Nonce(prefix: 21 | Data(hexadecimalString:"6c,ff,5d,18,b7,61,6c,ae".replacingOccurrences(of:",", with:""))! 22 | ), 23 | ck: Data(hexadecimalString: "55,79,9f,d2,66,64,cb,f6,e4,76,52,5e,2d,ee,52,c6".replacingOccurrences(of:",", with:""))! 24 | ) 25 | let encryptedMessage = Data(hexadecimalString: received)! 26 | let decrypted = Data(hexadecimalString: decryptedPayload)! 27 | do { 28 | let msg = try MessagePacket.parse(payload: encryptedMessage) 29 | //AndroidAPS provides the nonceSequence in the nonce initialer, and increments it when encrypt/decrypt are called 30 | //This implementation increments it in MessageTransport.incrementNonceSeq, before encrypt/decrypt are called. 31 | let decryptedMsg = try enDecrypt.decrypt(msg, 23) 32 | 33 | assert(decrypted.hexadecimalString == decryptedMsg.payload.hexadecimalString) 34 | } catch { 35 | print(error) 36 | } 37 | 38 | } 39 | 40 | 41 | func testEncrypt() { 42 | let enDecrypt = EnDecrypt( 43 | nonce:Nonce(prefix: 44 | Data(hexadecimalString: "dda23c090a0a0a0a")! 45 | ), 46 | ck: Data(hexadecimalString: "ba1283744b6de9fab6d9b77d95a71d6e")! 47 | ) 48 | let expectedEncryptedData = Data(hexadecimalString: 49 | "54571101070003400242000002420001" + "e09158bcb0285a81bf30635f3a17ee73f0afbb3286bc524a8a66" + "fb1bc5b001e56543")! 50 | let command = Data(hexadecimalString:"53302e303d000effffffff00060704ffffffff82b22c47302e30")! 51 | var msg = try! MessagePacket.parse(payload: expectedEncryptedData)//.copy(payload = command) // copy for the headersE 52 | msg.payload = command 53 | //AndroidAPS provides the nonceSequence in the nonce initialer, and increments it when encrypt/decrypt are called 54 | //This implementation increments it in MessageTransport.incrementNonceSeq, before encrypt/decrypt are called. 55 | let encryptedData = try! enDecrypt.encrypt(msg, 1) 56 | 57 | print("Original Encrypted: \(expectedEncryptedData.hexadecimalString)") 58 | print("Test Encrypted: \(encryptedData.asData().hexadecimalString)") 59 | assert(expectedEncryptedData.hexadecimalString == encryptedData.asData().hexadecimalString) 60 | } 61 | 62 | } 63 | -------------------------------------------------------------------------------- /OmniBLE.xcodeproj/xcshareddata/xcschemes/OmniBLETests.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 33 | 39 | 40 | 41 | 42 | 43 | 53 | 54 | 60 | 61 | 67 | 68 | 69 | 70 | 72 | 73 | 76 | 77 | 78 | -------------------------------------------------------------------------------- /Common/Data.swift: -------------------------------------------------------------------------------- 1 | // 2 | // NSData.swift 3 | // OmnipodKit 4 | // 5 | // Created by Nathan Racklyeft on 9/2/15. 6 | // Copyright © 2015 Nathan Racklyeft. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | 12 | extension Data { 13 | private func toDefaultEndian(_: T.Type) -> T { 14 | return self.withUnsafeBytes({ (rawBufferPointer: UnsafeRawBufferPointer) -> T in 15 | let bufferPointer = rawBufferPointer.bindMemory(to: T.self) 16 | guard let pointer = bufferPointer.baseAddress else { 17 | return 0 18 | } 19 | return T(pointer.pointee) 20 | }) 21 | } 22 | 23 | func to(_ type: T.Type) -> T { 24 | return T(littleEndian: toDefaultEndian(type)) 25 | } 26 | 27 | func toBigEndian(_ type: T.Type) -> T { 28 | return T(bigEndian: toDefaultEndian(type)) 29 | } 30 | 31 | mutating func append(_ newElement: T) { 32 | var element = newElement.littleEndian 33 | append(Data(bytes: &element, count: element.bitWidth / 8)) 34 | } 35 | 36 | mutating func appendBigEndian(_ newElement: T) { 37 | var element = newElement.bigEndian 38 | append(Data(bytes: &element, count: element.bitWidth / 8)) 39 | } 40 | 41 | init(_ value: T) { 42 | var value = value.littleEndian 43 | self.init(bytes: &value, count: value.bitWidth / 8) 44 | } 45 | 46 | init(bigEndian value: T) { 47 | var value = value.bigEndian 48 | self.init(bytes: &value, count: value.bitWidth / 8) 49 | } 50 | } 51 | 52 | // String conversion methods, adapted from https://stackoverflow.com/questions/40276322/hex-binary-string-conversion-in-swift/40278391#40278391 53 | extension Data { 54 | init?(hexadecimalString: String) { 55 | self.init(capacity: hexadecimalString.utf16.count / 2) 56 | 57 | // Convert 0 ... 9, a ... f, A ...F to their decimal value, 58 | // return nil for all other input characters 59 | func decodeNibble(u: UInt16) -> UInt8? { 60 | switch u { 61 | case 0x30 ... 0x39: // '0'-'9' 62 | return UInt8(u - 0x30) 63 | case 0x41 ... 0x46: // 'A'-'F' 64 | return UInt8(u - 0x41 + 10) // 10 since 'A' is 10, not 0 65 | case 0x61 ... 0x66: // 'a'-'f' 66 | return UInt8(u - 0x61 + 10) // 10 since 'a' is 10, not 0 67 | default: 68 | return nil 69 | } 70 | } 71 | 72 | var even = true 73 | var byte: UInt8 = 0 74 | for c in hexadecimalString.utf16 { 75 | guard let val = decodeNibble(u: c) else { return nil } 76 | if even { 77 | byte = val << 4 78 | } else { 79 | byte += val 80 | self.append(byte) 81 | } 82 | even = !even 83 | } 84 | guard even else { return nil } 85 | } 86 | 87 | var hexadecimalString: String { 88 | return map { String(format: "%02hhx", $0) }.joined() 89 | } 90 | } 91 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/StatusResponse.swift: -------------------------------------------------------------------------------- 1 | // 2 | // StatusResponse.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 10/23/17. 6 | // Copyright © 2017 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct StatusResponse : MessageBlock { 12 | public let blockType: MessageBlockType = .statusResponse 13 | public let length: UInt8 = 10 14 | public let deliveryStatus: DeliveryStatus 15 | public let podProgressStatus: PodProgressStatus 16 | public let timeActive: TimeInterval 17 | public let reservoirLevel: Double? 18 | public let insulin: Double 19 | public let bolusNotDelivered: Double 20 | public let lastProgrammingMessageSeqNum: UInt8 // updated by pod for 03, 08, $11, $19, $1A, $1C, $1E & $1F command messages 21 | public let alerts: AlertSet 22 | 23 | 24 | public let data: Data 25 | 26 | public init(encodedData: Data) throws { 27 | if encodedData.count < length { 28 | throw MessageBlockError.notEnoughData 29 | } 30 | 31 | data = encodedData.prefix(upTo: Int(length)) 32 | 33 | guard let deliveryStatus = DeliveryStatus(rawValue: encodedData[1] >> 4) else { 34 | throw MessageError.unknownValue(value: encodedData[1] >> 4, typeDescription: "DeliveryStatus") 35 | } 36 | self.deliveryStatus = deliveryStatus 37 | 38 | guard let podProgressStatus = PodProgressStatus(rawValue: encodedData[1] & 0xf) else { 39 | throw MessageError.unknownValue(value: encodedData[1] & 0xf, typeDescription: "PodProgressStatus") 40 | } 41 | self.podProgressStatus = podProgressStatus 42 | 43 | let minutes = ((Int(encodedData[7]) & 0x7f) << 6) + (Int(encodedData[8]) >> 2) 44 | self.timeActive = TimeInterval(minutes: Double(minutes)) 45 | 46 | let highInsulinBits = Int(encodedData[2] & 0xf) << 9 47 | let midInsulinBits = Int(encodedData[3]) << 1 48 | let lowInsulinBits = Int(encodedData[4] >> 7) 49 | self.insulin = Double(highInsulinBits | midInsulinBits | lowInsulinBits) / Pod.pulsesPerUnit 50 | 51 | self.lastProgrammingMessageSeqNum = (encodedData[4] >> 3) & 0xf 52 | 53 | self.bolusNotDelivered = Double((Int(encodedData[4] & 0x3) << 8) | Int(encodedData[5])) / Pod.pulsesPerUnit 54 | 55 | self.alerts = AlertSet(rawValue: ((encodedData[6] & 0x7f) << 1) | (encodedData[7] >> 7)) 56 | 57 | let reservoirValue = Double((Int(encodedData[8] & 0x3) << 8) + Int(encodedData[9])) / Pod.pulsesPerUnit 58 | if reservoirValue <= Pod.maximumReservoirReading { 59 | self.reservoirLevel = reservoirValue 60 | } else { 61 | self.reservoirLevel = nil 62 | } 63 | } 64 | } 65 | 66 | extension StatusResponse: CustomDebugStringConvertible { 67 | public var debugDescription: String { 68 | return "StatusResponse(deliveryStatus:\(deliveryStatus), progressStatus:\(podProgressStatus), timeActive:\(timeActive.stringValue), reservoirLevel:\(String(describing: reservoirLevel)), delivered:\(insulin), bolusNotDelivered:\(bolusNotDelivered), lastProgrammingMessageSeqNum:\(lastProgrammingMessageSeqNum), alerts:\(alerts))" 69 | } 70 | } 71 | 72 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/BeepConfigCommand.swift: -------------------------------------------------------------------------------- 1 | // 2 | // BeepConfigCommand.swift 3 | // OmniKit 4 | // 5 | // Created by Joseph Moran on 5/12/19. 6 | // Copyright © 2019 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct BeepConfigCommand : MessageBlock { 12 | // OFF 1 2 3 4 5 13 | // 1e 04 AABBCCDD 14 | 15 | public let blockType: MessageBlockType = .beepConfig 16 | public let beepConfigType: BeepConfigType 17 | public let basalCompletionBeep: Bool 18 | public let basalIntervalBeep: TimeInterval 19 | public let tempBasalCompletionBeep: Bool 20 | public let tempBasalIntervalBeep: TimeInterval 21 | public let bolusCompletionBeep: Bool 22 | public let bolusIntervalBeep: TimeInterval 23 | 24 | public init(beepConfigType: BeepConfigType, basalCompletionBeep: Bool = false, basalIntervalBeep: TimeInterval = 0, tempBasalCompletionBeep: Bool = false, tempBasalIntervalBeep: TimeInterval = 0, bolusCompletionBeep: Bool = false, bolusIntervalBeep: TimeInterval = 0) { 25 | self.beepConfigType = beepConfigType 26 | self.basalCompletionBeep = basalCompletionBeep 27 | self.basalIntervalBeep = basalIntervalBeep 28 | self.tempBasalCompletionBeep = tempBasalCompletionBeep 29 | self.tempBasalIntervalBeep = tempBasalIntervalBeep 30 | self.bolusCompletionBeep = bolusCompletionBeep 31 | self.bolusIntervalBeep = bolusIntervalBeep 32 | } 33 | 34 | public init(encodedData: Data) throws { 35 | if encodedData.count < 6 { 36 | throw MessageBlockError.notEnoughData 37 | } 38 | if let beepConfigType = BeepConfigType.init(rawValue: encodedData[2]) { 39 | self.beepConfigType = beepConfigType 40 | } else { 41 | throw MessageBlockError.parseError 42 | } 43 | self.basalCompletionBeep = encodedData[3] & (1<<6) != 0 44 | self.basalIntervalBeep = TimeInterval(minutes: Double(encodedData[3] & 0x3f)) 45 | self.tempBasalCompletionBeep = encodedData[4] & (1<<6) != 0 46 | self.tempBasalIntervalBeep = TimeInterval(minutes: Double(encodedData[4] & 0x3f)) 47 | self.bolusCompletionBeep = encodedData[5] & (1<<6) != 0 48 | self.bolusIntervalBeep = TimeInterval(minutes: Double(encodedData[5] & 0x3f)) 49 | } 50 | 51 | public var data: Data { 52 | var data = Data([ 53 | blockType.rawValue, 54 | 4, 55 | ]) 56 | data.append(beepConfigType.rawValue) 57 | data.append((basalCompletionBeep ? (1<<6) : 0) + (UInt8(basalIntervalBeep.minutes) & 0x3f)) 58 | data.append((tempBasalCompletionBeep ? (1<<6) : 0) + (UInt8(tempBasalIntervalBeep.minutes) & 0x3f)) 59 | data.append((bolusCompletionBeep ? (1<<6) : 0) + (UInt8(bolusIntervalBeep.minutes) & 0x3f)) 60 | return data 61 | } 62 | } 63 | 64 | extension BeepConfigCommand: CustomDebugStringConvertible { 65 | public var debugDescription: String { 66 | return "BeepConfigCommand(beepConfigType:\(beepConfigType), basalIntervalBeep:\(basalIntervalBeep), tempBasalCompletionBeep:\(tempBasalCompletionBeep), tempBasalIntervalBeep:\(tempBasalIntervalBeep), bolusCompletionBeep:\(bolusCompletionBeep), , bolusIntervalBeep:\(bolusIntervalBeep))" 67 | } 68 | } 69 | -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/ViewControllers/PodReplacementNavigationController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PodReplacementNavigationController.swift 3 | // OmnipodKit 4 | // 5 | // Created by Pete Schwamb on 11/28/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import OmniKit 11 | import LoopKitUI 12 | 13 | class PodReplacementNavigationController: UINavigationController, UINavigationControllerDelegate, CompletionNotifying { 14 | 15 | weak var completionDelegate: CompletionDelegate? 16 | 17 | class func instantiatePodReplacementFlow(_ pumpManager: OmnipodPumpManager) -> PodReplacementNavigationController { 18 | let vc = UIStoryboard(name: "OmnipodPumpManager", bundle: Bundle(for: PodReplacementNavigationController.self)).instantiateViewController(withIdentifier: "PodReplacementFlow") as! PodReplacementNavigationController 19 | vc.pumpManager = pumpManager 20 | return vc 21 | } 22 | 23 | class func instantiateNewPodFlow(_ pumpManager: OmnipodPumpManager) -> PodReplacementNavigationController { 24 | let vc = UIStoryboard(name: "OmnipodPumpManager", bundle: Bundle(for: PodReplacementNavigationController.self)).instantiateViewController(withIdentifier: "NewPodFlow") as! PodReplacementNavigationController 25 | vc.pumpManager = pumpManager 26 | return vc 27 | } 28 | 29 | class func instantiateInsertCannulaFlow(_ pumpManager: OmnipodPumpManager) -> PodReplacementNavigationController { 30 | let vc = UIStoryboard(name: "OmnipodPumpManager", bundle: Bundle(for: PodReplacementNavigationController.self)).instantiateViewController(withIdentifier: "InsertCannulaFlow") as! PodReplacementNavigationController 31 | vc.pumpManager = pumpManager 32 | return vc 33 | } 34 | 35 | private(set) var pumpManager: OmnipodPumpManager! 36 | 37 | override func viewDidLoad() { 38 | super.viewDidLoad() 39 | 40 | if #available(iOSApplicationExtension 13.0, *) { 41 | // Prevent interactive dismissal 42 | isModalInPresentation = true 43 | } 44 | 45 | delegate = self 46 | } 47 | 48 | func navigationController(_ navigationController: UINavigationController, willShow viewController: UIViewController, animated: Bool) { 49 | 50 | if let setupViewController = viewController as? SetupTableViewController { 51 | setupViewController.delegate = self 52 | } 53 | 54 | switch viewController { 55 | case let vc as ReplacePodViewController: 56 | vc.pumpManager = pumpManager 57 | case let vc as PairPodSetupViewController: 58 | vc.pumpManager = pumpManager 59 | case let vc as InsertCannulaSetupViewController: 60 | vc.pumpManager = pumpManager 61 | case let vc as PodSetupCompleteViewController: 62 | vc.pumpManager = pumpManager 63 | default: 64 | break 65 | } 66 | 67 | } 68 | 69 | func completeSetup() { 70 | completionDelegate?.completionNotifyingDidComplete(self) 71 | } 72 | } 73 | 74 | extension PodReplacementNavigationController: SetupTableViewControllerDelegate { 75 | func setupTableViewControllerCancelButtonPressed(_ viewController: SetupTableViewController) { 76 | completionDelegate?.completionNotifyingDidComplete(self) 77 | } 78 | } 79 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/PodProgressStatus.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PodProgressStatus.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 9/28/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public enum PodProgressStatus: UInt8, CustomStringConvertible, Equatable { 12 | case initialized = 0 13 | case memoryInitialized = 1 14 | case reminderInitialized = 2 15 | case pairingCompleted = 3 16 | case priming = 4 17 | case primingCompleted = 5 18 | case basalInitialized = 6 19 | case insertingCannula = 7 20 | case aboveFiftyUnits = 8 21 | case fiftyOrLessUnits = 9 22 | case oneNotUsed = 10 23 | case twoNotUsed = 11 24 | case threeNotUsed = 12 25 | case faultEventOccurred = 13 // fault event occurred (a "screamer") 26 | case activationTimeExceeded = 14 // took > 2 hrs from progress 2 to 3 OR > 1 hr from 3 to 8 27 | case inactive = 15 // pod deactivated or a fatal packet state error 28 | 29 | public var readyForDelivery: Bool { 30 | return self == .fiftyOrLessUnits || self == .aboveFiftyUnits 31 | } 32 | 33 | public var description: String { 34 | switch self { 35 | case .initialized: 36 | return LocalizedString("Initialized", comment: "Pod initialized") 37 | case .memoryInitialized: 38 | return LocalizedString("Memory initialized", comment: "Pod memory initialized") 39 | case .reminderInitialized: 40 | return LocalizedString("Reminder initialized", comment: "Pod pairing reminder initialized") 41 | case .pairingCompleted: 42 | return LocalizedString("Pairing completed", comment: "Pod status when pairing completed") 43 | case .priming: 44 | return LocalizedString("Priming", comment: "Pod status when priming") 45 | case .primingCompleted: 46 | return LocalizedString("Priming completed", comment: "Pod state when priming completed") 47 | case .basalInitialized: 48 | return LocalizedString("Basal initialized", comment: "Pod state when basal initialized") 49 | case .insertingCannula: 50 | return LocalizedString("Inserting cannula", comment: "Pod state when inserting cannula") 51 | case .aboveFiftyUnits: 52 | return LocalizedString("Normal", comment: "Pod state when running above fifty units") 53 | case .fiftyOrLessUnits: 54 | return LocalizedString("Low reservoir", comment: "Pod state when running with fifty or less units") 55 | case .oneNotUsed: 56 | return LocalizedString("oneNotUsed", comment: "Pod state oneNotUsed") 57 | case .twoNotUsed: 58 | return LocalizedString("twoNotUsed", comment: "Pod state twoNotUsed") 59 | case .threeNotUsed: 60 | return LocalizedString("threeNotUsed", comment: "Pod state threeNotUsed") 61 | case .faultEventOccurred: 62 | return LocalizedString("Fault event occurred", comment: "Pod state when fault event has occurred") 63 | case .activationTimeExceeded: 64 | return LocalizedString("Activation time exceeded", comment: "Pod state when activation not completed in the time allowed") 65 | case .inactive: 66 | return LocalizedString("Deactivated", comment: "Pod state when deactivated") 67 | } 68 | } 69 | } 70 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/SetupPodCommand.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Setup PodCommand.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 2/17/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct SetupPodCommand : MessageBlock { 12 | 13 | public let blockType: MessageBlockType = .setupPod 14 | 15 | let address: UInt32 16 | let lot: UInt32 17 | let tid: UInt32 18 | let dateComponents: DateComponents 19 | let packetTimeoutLimit: UInt8 20 | 21 | public static func dateComponents(date: Date, timeZone: TimeZone) -> DateComponents { 22 | var cal = Calendar(identifier: .gregorian) 23 | cal.timeZone = timeZone 24 | return cal.dateComponents([.day, .month, .year, .hour, .minute], from: date) 25 | } 26 | 27 | public static func date(from components: DateComponents, timeZone: TimeZone) -> Date? { 28 | var cal = Calendar(identifier: .gregorian) 29 | cal.timeZone = timeZone 30 | return cal.date(from: components) 31 | } 32 | 33 | // 03 13 1f08ced2 14 04 09 0b 11 0b 08 0000a640 00097c27 83e4 34 | public var data: Data { 35 | var data = Data([ 36 | blockType.rawValue, 37 | 19, 38 | ]) 39 | data.appendBigEndian(self.address) 40 | 41 | let year = UInt8((dateComponents.year ?? 2000) - 2000) 42 | let month = UInt8(dateComponents.month ?? 0) 43 | let day = UInt8(dateComponents.day ?? 0) 44 | let hour = UInt8(dateComponents.hour ?? 0) 45 | let minute = UInt8(dateComponents.minute ?? 0) 46 | 47 | let data2: Data = Data([ 48 | UInt8(0x14), // Unknown 49 | packetTimeoutLimit, 50 | month, 51 | day, 52 | year, 53 | hour, 54 | minute 55 | ]) 56 | data.append(data2) 57 | data.appendBigEndian(self.lot) 58 | data.appendBigEndian(self.tid) 59 | return data 60 | } 61 | 62 | public init(encodedData: Data) throws { 63 | if encodedData.count < 21 { 64 | throw MessageBlockError.notEnoughData 65 | } 66 | self.address = encodedData[2...].toBigEndian(UInt32.self) 67 | packetTimeoutLimit = encodedData[7] 68 | var components = DateComponents() 69 | components.month = Int(encodedData[8]) 70 | components.day = Int(encodedData[9]) 71 | components.year = Int(encodedData[10]) + 2000 72 | components.hour = Int(encodedData[11]) 73 | components.minute = Int(encodedData[12]) 74 | self.dateComponents = components 75 | self.lot = encodedData[13...].toBigEndian(UInt32.self) 76 | self.tid = encodedData[17...].toBigEndian(UInt32.self) 77 | } 78 | 79 | public init(address: UInt32, dateComponents: DateComponents, lot: UInt32, tid: UInt32, packetTimeoutLimit: UInt8 = 4) { 80 | self.address = address 81 | self.dateComponents = dateComponents 82 | self.lot = lot 83 | self.tid = tid 84 | self.packetTimeoutLimit = packetTimeoutLimit 85 | } 86 | } 87 | 88 | extension SetupPodCommand: CustomDebugStringConvertible { 89 | public var debugDescription: String { 90 | return "SetupPodCommand(address:\(Data(bigEndian: address).hexadecimalString), dateComponents:\(dateComponents), lot:\(lot), tid:\(tid), packetTimeoutLimit:\(packetTimeoutLimit))" 91 | } 92 | } 93 | -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/ViewControllers/PodSetupCompleteViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PodSetupCompleteViewController.swift 3 | // OmnipodKit 4 | // 5 | // Created by Pete Schwamb on 9/18/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import LoopKitUI 11 | import OmniKit 12 | 13 | class PodSetupCompleteViewController: SetupTableViewController { 14 | 15 | @IBOutlet weak var expirationReminderDateCell: ExpirationReminderDateTableViewCell! 16 | 17 | var pumpManager: OmnipodPumpManager! { 18 | didSet { 19 | if let expirationReminderDate = pumpManager.expirationReminderDate, let podState = pumpManager.state.podState { 20 | expirationReminderDateCell.date = expirationReminderDate 21 | expirationReminderDateCell.datePicker.maximumDate = podState.expiresAt?.addingTimeInterval(-Pod.expirationReminderAlertMinTimeBeforeExpiration) 22 | expirationReminderDateCell.datePicker.minimumDate = podState.expiresAt?.addingTimeInterval(-Pod.expirationReminderAlertMaxTimeBeforeExpiration) 23 | } 24 | } 25 | } 26 | 27 | override func viewDidLoad() { 28 | super.viewDidLoad() 29 | 30 | self.padFooterToBottom = false 31 | 32 | self.navigationItem.hidesBackButton = true 33 | self.navigationItem.rightBarButtonItem = nil 34 | 35 | expirationReminderDateCell.datePicker.datePickerMode = .dateAndTime 36 | #if swift(>=5.2) 37 | if #available(iOS 14.0, *) { 38 | expirationReminderDateCell.datePicker.preferredDatePickerStyle = .wheels 39 | } 40 | #endif 41 | expirationReminderDateCell.titleLabel.text = LocalizedString("Expiration Reminder", comment: "The title of the cell showing the pod expiration reminder date") 42 | expirationReminderDateCell.datePicker.minuteInterval = 1 43 | expirationReminderDateCell.delegate = self 44 | } 45 | 46 | override func continueButtonPressed(_ sender: Any) { 47 | if let setupVC = navigationController as? OmnipodPumpManagerSetupViewController { 48 | setupVC.finishedSetup() 49 | } 50 | if let replaceVC = navigationController as? PodReplacementNavigationController { 51 | replaceVC.completeSetup() 52 | } 53 | if pumpManager.confirmationBeeps { 54 | pumpManager.setConfirmationBeeps(enabled: true, completion: { (error) in 55 | if let error = error { 56 | DispatchQueue.main.async { 57 | let title = LocalizedString("Error emitting completion confirmation beep", comment: "The alert title for emitting completion beep error") 58 | self.present(UIAlertController(with: error, title: title), animated: true) 59 | } 60 | } 61 | }) 62 | } 63 | } 64 | 65 | override func tableView(_ tableView: UITableView, willSelectRowAt indexPath: IndexPath) -> IndexPath? { 66 | tableView.beginUpdates() 67 | return indexPath 68 | } 69 | 70 | override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) { 71 | tableView.deselectRow(at: indexPath, animated: true) 72 | tableView.endUpdates() 73 | } 74 | 75 | } 76 | 77 | extension PodSetupCompleteViewController: DatePickerTableViewCellDelegate { 78 | func datePickerTableViewCellDidUpdateDate(_ cell: DatePickerTableViewCell) { 79 | pumpManager.expirationReminderDate = cell.date 80 | } 81 | } 82 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Packet/PayloadSplitter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PayloadSplitter.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/11/21. 6 | // 7 | 8 | import Foundation 9 | import CryptoSwift 10 | 11 | class PayloadSplitter { 12 | private let payload: Data 13 | 14 | init(payload: Data) { 15 | self.payload = payload 16 | } 17 | 18 | func splitInPackets() -> Array { 19 | if (payload.count <= FirstBlePacket.CAPACITY_WITH_THE_OPTIONAL_PLUS_ONE_PACKET) { 20 | return splitInOnePacket() 21 | } 22 | var ret = Array() 23 | let crc32 = payload.crc32() 24 | let middleFragments = (payload.count - FirstBlePacket.CAPACITY_WITH_MIDDLE_PACKETS) / MiddleBlePacket.CAPACITY 25 | let rest = UInt8((payload.count - middleFragments * MiddleBlePacket.CAPACITY) - FirstBlePacket.CAPACITY_WITH_MIDDLE_PACKETS) 26 | ret.append( 27 | FirstBlePacket( 28 | fullFragments: middleFragments + 1, 29 | payload: payload.subdata(in: 0.. 0) { 33 | for i in 1...middleFragments { 34 | let p = payload.subdata(in: (FirstBlePacket.CAPACITY_WITH_MIDDLE_PACKETS + (i - 1) * MiddleBlePacket.CAPACITY)..<(FirstBlePacket.CAPACITY_WITH_MIDDLE_PACKETS + i * MiddleBlePacket.CAPACITY)) 35 | ret.append( 36 | MiddleBlePacket( 37 | index: UInt8(i), 38 | payload: p 39 | ) 40 | ) 41 | } 42 | } 43 | let end = min(LastBlePacket.CAPACITY, Int(rest)) 44 | ret.append( 45 | LastBlePacket( 46 | index: UInt8(middleFragments + 1), 47 | size: rest, 48 | payload: payload.subdata(in: middleFragments * MiddleBlePacket.CAPACITY + FirstBlePacket.CAPACITY_WITH_MIDDLE_PACKETS.. LastBlePacket.CAPACITY) { 53 | ret.append( 54 | LastOptionalPlusOneBlePacket( 55 | index: UInt8(middleFragments + 2), 56 | payload: payload.subdata(in: middleFragments * MiddleBlePacket.CAPACITY + FirstBlePacket.CAPACITY_WITH_MIDDLE_PACKETS + LastBlePacket.CAPACITY.. Array { 65 | var ret = Array() 66 | let crc32 = payload.crc32() 67 | let end = min(FirstBlePacket.CAPACITY_WITHOUT_MIDDLE_PACKETS, payload.count) 68 | ret.append( 69 | FirstBlePacket( 70 | fullFragments: 0, 71 | payload: payload.subdata(in: 0.. FirstBlePacket.CAPACITY_WITHOUT_MIDDLE_PACKETS) { 77 | ret.append( 78 | LastOptionalPlusOneBlePacket( 79 | index: 1, 80 | payload: payload.subdata(in: end.. 0 ? squareWaveDuration / Double(pulseCountX10) : 0 41 | data.appendBigEndian(UInt32(timeBetweenExtendedPulses.hundredthsOfMilliseconds)) 42 | return data 43 | } 44 | 45 | public init(encodedData: Data) throws { 46 | if encodedData.count < 15 { 47 | throw MessageBlockError.notEnoughData 48 | } 49 | 50 | acknowledgementBeep = encodedData[2] & (1<<7) != 0 51 | completionBeep = encodedData[2] & (1<<6) != 0 52 | programReminderInterval = TimeInterval(minutes: Double(encodedData[2] & 0x3f)) 53 | 54 | units = Double(encodedData[3...].toBigEndian(UInt16.self)) / 200 55 | 56 | let delayCounts = encodedData[5...].toBigEndian(UInt32.self) 57 | timeBetweenPulses = TimeInterval(hundredthsOfMilliseconds: Double(delayCounts)) 58 | 59 | let pulseCountX10 = encodedData[9...].toBigEndian(UInt16.self) 60 | squareWaveUnits = Double(pulseCountX10) / 200 61 | 62 | let intervalCounts = encodedData[5...].toBigEndian(UInt32.self) 63 | let timeBetweenExtendedPulses = TimeInterval(hundredthsOfMilliseconds: Double(intervalCounts)) 64 | squareWaveDuration = timeBetweenExtendedPulses * Double(pulseCountX10) / 10 65 | } 66 | 67 | public init(units: Double, timeBetweenPulses: TimeInterval = Pod.secondsPerBolusPulse, squareWaveUnits: Double = 0.0, squareWaveDuration: TimeInterval = 0, acknowledgementBeep: Bool = false, completionBeep: Bool = false, programReminderInterval: TimeInterval = 0) { 68 | self.acknowledgementBeep = acknowledgementBeep 69 | self.completionBeep = completionBeep 70 | self.programReminderInterval = programReminderInterval 71 | self.units = units 72 | self.timeBetweenPulses = timeBetweenPulses 73 | self.squareWaveUnits = squareWaveUnits 74 | self.squareWaveDuration = squareWaveDuration 75 | } 76 | } 77 | 78 | 79 | extension BolusExtraCommand: CustomDebugStringConvertible { 80 | public var debugDescription: String { 81 | return "BolusExtraCommand(units:\(units), timeBetweenPulses:\(timeBetweenPulses), squareWaveUnits:\(squareWaveUnits), squareWaveDuration:\(squareWaveDuration), acknowledgementBeep:\(acknowledgementBeep), completionBeep:\(completionBeep), programReminderInterval:\(programReminderInterval))" 82 | } 83 | } 84 | -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/OmnipodPumpManager+UI.swift: -------------------------------------------------------------------------------- 1 | // 2 | // OmnipodPumpManager+UI.swift 3 | // OmnipodKit 4 | // 5 | // Created by Pete Schwamb on 8/4/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | import UIKit 12 | import LoopKit 13 | import LoopKitUI 14 | import OmniKit 15 | 16 | extension OmnipodPumpManager: PumpManagerUI { 17 | 18 | static public func setupViewController() -> (UIViewController & PumpManagerSetupViewController & CompletionNotifying) { 19 | return OmnipodPumpManagerSetupViewController.instantiateFromStoryboard() 20 | } 21 | 22 | public func settingsViewController() -> (UIViewController & CompletionNotifying) { 23 | let settings = OmnipodSettingsViewController(pumpManager: self) 24 | let nav = SettingsNavigationViewController(rootViewController: settings) 25 | return nav 26 | } 27 | 28 | public var smallImage: UIImage? { 29 | return UIImage(named: "Pod", in: Bundle(for: OmnipodSettingsViewController.self), compatibleWith: nil)! 30 | } 31 | 32 | public func hudProvider() -> HUDProvider? { 33 | return OmnipodHUDProvider(pumpManager: self) 34 | } 35 | 36 | public static func createHUDViews(rawValue: HUDProvider.HUDViewsRawState) -> [BaseHUDView] { 37 | return OmnipodHUDProvider.createHUDViews(rawValue: rawValue) 38 | } 39 | 40 | } 41 | 42 | // MARK: - DeliveryLimitSettingsTableViewControllerSyncSource 43 | extension OmnipodPumpManager { 44 | public func syncDeliveryLimitSettings(for viewController: DeliveryLimitSettingsTableViewController, completion: @escaping (DeliveryLimitSettingsResult) -> Void) { 45 | guard let maxBasalRate = viewController.maximumBasalRatePerHour, 46 | let maxBolus = viewController.maximumBolus else 47 | { 48 | completion(.failure(PodCommsError.invalidData)) 49 | return 50 | } 51 | 52 | completion(.success(maximumBasalRatePerHour: maxBasalRate, maximumBolus: maxBolus)) 53 | } 54 | 55 | public func syncButtonTitle(for viewController: DeliveryLimitSettingsTableViewController) -> String { 56 | return LocalizedString("Save", comment: "Title of button to save delivery limit settings") } 57 | 58 | public func syncButtonDetailText(for viewController: DeliveryLimitSettingsTableViewController) -> String? { 59 | return nil 60 | } 61 | 62 | public func deliveryLimitSettingsTableViewControllerIsReadOnly(_ viewController: DeliveryLimitSettingsTableViewController) -> Bool { 63 | return false 64 | } 65 | } 66 | 67 | // MARK: - BasalScheduleTableViewControllerSyncSource 68 | extension OmnipodPumpManager { 69 | 70 | public func syncScheduleValues(for viewController: BasalScheduleTableViewController, completion: @escaping (SyncBasalScheduleResult) -> Void) { 71 | let newSchedule = BasalSchedule(repeatingScheduleValues: viewController.scheduleItems) 72 | setBasalSchedule(newSchedule) { (error) in 73 | if let error = error { 74 | completion(.failure(error)) 75 | } else { 76 | completion(.success(scheduleItems: viewController.scheduleItems, timeZone: self.state.timeZone)) 77 | } 78 | } 79 | } 80 | 81 | public func syncButtonTitle(for viewController: BasalScheduleTableViewController) -> String { 82 | if self.hasActivePod { 83 | return LocalizedString("Sync With Pod", comment: "Title of button to sync basal profile from pod") 84 | } else { 85 | return LocalizedString("Save", comment: "Title of button to sync basal profile when no pod paired") 86 | } 87 | } 88 | 89 | public func syncButtonDetailText(for viewController: BasalScheduleTableViewController) -> String? { 90 | return nil 91 | } 92 | 93 | public func basalScheduleTableViewControllerIsReadOnly(_ viewController: BasalScheduleTableViewController) -> Bool { 94 | return false 95 | } 96 | } 97 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Pair/KeyExchange.swift: -------------------------------------------------------------------------------- 1 | // 2 | // KeyExchange.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/3/21. 6 | // 7 | 8 | import Foundation 9 | import CryptoSwift 10 | 11 | class KeyExchange { 12 | static let CMAC_SIZE = 16 13 | 14 | static let PUBLIC_KEY_SIZE = 32 15 | static let NONCE_SIZE = 16 16 | 17 | private let INTERMEDIARY_KEY_MAGIC_STRING = "TWIt".data(using: .utf8) 18 | private let PDM_CONF_MAGIC_PREFIX = "KC_2_U".data(using: .utf8) 19 | private let POD_CONF_MAGIC_PREFIX = "KC_2_V".data(using: .utf8) 20 | 21 | let pdmNonce: Data 22 | let pdmPrivate: Data 23 | let pdmPublic: Data 24 | var podPublic: Data 25 | var podNonce: Data 26 | var podConf: Data 27 | var pdmConf: Data 28 | var ltk: Data 29 | 30 | private let keyGenerator: PrivateKeyGenerator 31 | let randomByteGenerator: RandomByteGenerator 32 | 33 | init(_ keyGenerator: PrivateKeyGenerator, _ randomByteGenerator: RandomByteGenerator) throws { 34 | self.keyGenerator = keyGenerator 35 | self.randomByteGenerator = randomByteGenerator 36 | 37 | pdmNonce = randomByteGenerator.nextBytes(length: KeyExchange.NONCE_SIZE) 38 | pdmPrivate = keyGenerator.generatePrivateKey() 39 | pdmPublic = try keyGenerator.publicFromPrivate(pdmPrivate) 40 | 41 | podPublic = Data(capacity: KeyExchange.PUBLIC_KEY_SIZE) 42 | podNonce = Data(capacity: KeyExchange.NONCE_SIZE) 43 | 44 | podConf = Data(capacity: KeyExchange.CMAC_SIZE) 45 | pdmConf = Data(capacity: KeyExchange.CMAC_SIZE) 46 | 47 | ltk = Data(capacity: KeyExchange.CMAC_SIZE) 48 | } 49 | 50 | func updatePodPublicData(_ payload: Data) throws { 51 | if (payload.count != KeyExchange.PUBLIC_KEY_SIZE + KeyExchange.NONCE_SIZE) { 52 | throw BluetoothErrors.MessageIOException("Invalid payload size") 53 | } 54 | podPublic = payload.subdata(in: 0.. Data { 102 | let mac = try CMAC(key: key.bytes) 103 | return try Data(mac.authenticate(data.bytes)) 104 | } 105 | } 106 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/BasalSchedule.swift: -------------------------------------------------------------------------------- 1 | // 2 | // BasalSchedule.swift 3 | // OmnipodKit 4 | // 5 | // Created by Pete Schwamb on 4/4/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct BasalScheduleEntry: RawRepresentable, Equatable { 12 | 13 | public typealias RawValue = [String: Any] 14 | 15 | let rate: Double 16 | let startTime: TimeInterval 17 | 18 | public init(rate: Double, startTime: TimeInterval) { 19 | self.rate = rate 20 | self.startTime = startTime 21 | } 22 | 23 | // MARK: - RawRepresentable 24 | public init?(rawValue: RawValue) { 25 | 26 | guard 27 | let rate = rawValue["rate"] as? Double, 28 | let startTime = rawValue["startTime"] as? Double 29 | else { 30 | return nil 31 | } 32 | 33 | self.rate = rate 34 | self.startTime = startTime 35 | } 36 | 37 | public var rawValue: RawValue { 38 | let rawValue: RawValue = [ 39 | "rate": rate, 40 | "startTime": startTime 41 | ] 42 | 43 | return rawValue 44 | } 45 | } 46 | 47 | // A basal schedule starts at midnight and should contain 24 hours worth of entries 48 | public struct BasalSchedule: RawRepresentable, Equatable { 49 | 50 | public typealias RawValue = [String: Any] 51 | 52 | let entries: [BasalScheduleEntry] 53 | 54 | public func rateAt(offset: TimeInterval) -> Double { 55 | let (_, entry, _) = lookup(offset: offset) 56 | return entry.rate 57 | } 58 | 59 | // Returns index, entry, and time remaining 60 | func lookup(offset: TimeInterval) -> (Int, BasalScheduleEntry, TimeInterval) { 61 | guard offset >= 0 && offset < .hours(24) else { 62 | fatalError("Schedule offset out of bounds") 63 | } 64 | 65 | var last: TimeInterval = .hours(24) 66 | for (index, entry) in entries.reversed().enumerated() { 67 | if entry.startTime <= offset { 68 | return (entries.count - (index + 1), entry, last - entry.startTime) 69 | } 70 | last = entry.startTime 71 | } 72 | fatalError("Schedule incomplete") 73 | } 74 | 75 | public init(entries: [BasalScheduleEntry]) { 76 | self.entries = entries 77 | } 78 | 79 | public func durations() -> [(rate: Double, duration: TimeInterval, startTime: TimeInterval)] { 80 | var last: TimeInterval = .hours(24) 81 | let durations = entries.reversed().map { (entry) -> (rate: Double, duration: TimeInterval, startTime: TimeInterval) in 82 | let duration = (rate: entry.rate, duration: last - entry.startTime, startTime: entry.startTime) 83 | last = entry.startTime 84 | return duration 85 | } 86 | return durations.reversed() 87 | } 88 | 89 | // MARK: - RawRepresentable 90 | public init?(rawValue: RawValue) { 91 | 92 | guard 93 | let entries = rawValue["entries"] as? [BasalScheduleEntry.RawValue] 94 | else { 95 | return nil 96 | } 97 | 98 | self.entries = entries.compactMap { BasalScheduleEntry(rawValue: $0) } 99 | } 100 | 101 | public var rawValue: RawValue { 102 | let rawValue: RawValue = [ 103 | "entries": entries.map { $0.rawValue } 104 | ] 105 | 106 | return rawValue 107 | } 108 | } 109 | 110 | public extension Sequence where Element == BasalScheduleEntry { 111 | func adjacentEqualRatesMerged() -> [BasalScheduleEntry] { 112 | var output = [BasalScheduleEntry]() 113 | let _ = self.reduce(nil) { (lastRate, entry) -> TimeInterval? in 114 | if entry.rate != lastRate { 115 | output.append(entry) 116 | } 117 | return entry.rate 118 | } 119 | return output 120 | } 121 | } 122 | 123 | 124 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/TempBasalExtraCommand.swift: -------------------------------------------------------------------------------- 1 | // 2 | // TempBasalExtraCommand.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 6/6/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct TempBasalExtraCommand : MessageBlock { 12 | 13 | public let acknowledgementBeep: Bool 14 | public let completionBeep: Bool 15 | public let programReminderInterval: TimeInterval 16 | public let remainingPulses: Double 17 | public let delayUntilFirstTenthOfPulse: TimeInterval 18 | public let rateEntries: [RateEntry] 19 | 20 | public let blockType: MessageBlockType = .tempBasalExtra 21 | 22 | public var data: Data { 23 | let beepOptions = (UInt8(programReminderInterval.minutes) & 0x3f) + (completionBeep ? (1<<6) : 0) + (acknowledgementBeep ? (1<<7) : 0) 24 | var data = Data([ 25 | blockType.rawValue, 26 | UInt8(8 + rateEntries.count * 6), 27 | beepOptions, 28 | 0 29 | ]) 30 | data.appendBigEndian(UInt16(round(remainingPulses * 2) * 5)) 31 | if remainingPulses == 0 { 32 | data.appendBigEndian(UInt32(delayUntilFirstTenthOfPulse.hundredthsOfMilliseconds) * 10) 33 | } else { 34 | data.appendBigEndian(UInt32(delayUntilFirstTenthOfPulse.hundredthsOfMilliseconds)) 35 | } 36 | for entry in rateEntries { 37 | data.append(entry.data) 38 | } 39 | return data 40 | } 41 | 42 | public init(encodedData: Data) throws { 43 | 44 | let length = encodedData[1] 45 | let numEntries = (length - 8) / 6 46 | 47 | acknowledgementBeep = encodedData[2] & (1<<7) != 0 48 | completionBeep = encodedData[2] & (1<<6) != 0 49 | programReminderInterval = TimeInterval(minutes: Double(encodedData[2] & 0x3f)) 50 | 51 | remainingPulses = Double(encodedData[4...].toBigEndian(UInt16.self)) / 10.0 52 | let timerCounter = encodedData[6...].toBigEndian(UInt32.self) 53 | if remainingPulses == 0 { 54 | delayUntilFirstTenthOfPulse = TimeInterval(hundredthsOfMilliseconds: Double(timerCounter) / 10) 55 | } else { 56 | delayUntilFirstTenthOfPulse = TimeInterval(hundredthsOfMilliseconds: Double(timerCounter)) 57 | } 58 | var entries = [RateEntry]() 59 | for entryIndex in (0.. OmnipodPumpManagerSetupViewController { 29 | return UIStoryboard(name: "OmnipodPumpManager", bundle: Bundle(for: OmnipodPumpManagerSetupViewController.self)).instantiateInitialViewController() as! OmnipodPumpManagerSetupViewController 30 | } 31 | 32 | override public func viewDidLoad() { 33 | super.viewDidLoad() 34 | 35 | if #available(iOSApplicationExtension 13.0, *) { 36 | // Prevent interactive dismissal 37 | isModalInPresentation = true 38 | view.backgroundColor = .systemBackground 39 | } else { 40 | view.backgroundColor = .white 41 | } 42 | navigationBar.shadowImage = UIImage() 43 | 44 | delegate = self 45 | } 46 | 47 | private(set) var pumpManager: OmnipodPumpManager? 48 | 49 | /* 50 | 1. Basal Rates & Delivery Limits 51 | 52 | 2. Pod Pairing/Priming 53 | 54 | 3. Cannula Insertion 55 | 56 | 4. Pod Setup Complete 57 | */ 58 | 59 | public func navigationController(_ navigationController: UINavigationController, willShow viewController: UIViewController, animated: Bool) { 60 | // Read state values 61 | let viewControllers = navigationController.viewControllers 62 | let count = navigationController.viewControllers.count 63 | 64 | if count >= 2 { 65 | switch viewControllers[count - 2] { 66 | case let vc as PairPodSetupViewController: 67 | pumpManager = vc.pumpManager 68 | default: 69 | break 70 | } 71 | } 72 | 73 | if let setupViewController = viewController as? SetupTableViewController { 74 | setupViewController.delegate = self 75 | } 76 | 77 | 78 | // Set state values 79 | switch viewController { 80 | case let vc as PairPodSetupViewController: 81 | if let basalSchedule = basalSchedule { 82 | let schedule = BasalSchedule(repeatingScheduleValues: basalSchedule.items) 83 | let pumpManagerState = OmnipodPumpManagerState(podState: nil, timeZone: .currentFixed, basalSchedule: schedule) 84 | let pumpManager = OmnipodPumpManager(state: pumpManagerState) 85 | vc.pumpManager = pumpManager 86 | setupDelegate?.pumpManagerSetupViewController(self, didSetUpPumpManager: pumpManager) 87 | } 88 | case let vc as InsertCannulaSetupViewController: 89 | vc.pumpManager = pumpManager 90 | case let vc as PodSetupCompleteViewController: 91 | vc.pumpManager = pumpManager 92 | default: 93 | break 94 | } 95 | } 96 | 97 | open func finishedSetup() { 98 | if let pumpManager = pumpManager { 99 | let settings = OmnipodSettingsViewController(pumpManager: pumpManager) 100 | setViewControllers([settings], animated: true) 101 | } 102 | } 103 | 104 | public func finishedSettingsDisplay() { 105 | completionDelegate?.completionNotifyingDidComplete(self) 106 | } 107 | } 108 | 109 | extension OmnipodPumpManagerSetupViewController: SetupTableViewControllerDelegate { 110 | public func setupTableViewControllerCancelButtonPressed(_ viewController: SetupTableViewController) { 111 | completionDelegate?.completionNotifyingDidComplete(self) 112 | } 113 | } 114 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/PodInfoPulseLog.swift: -------------------------------------------------------------------------------- 1 | // 2 | // PodInfoPulseLog.swift 3 | // OmniKit 4 | // 5 | // Created by Eelke Jager on 26/09/2018. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | // Type $50 Pod Info returns (up to) the most recent 50 32-bit pulse log entries 12 | public struct PodInfoPulseLogRecent : PodInfo { 13 | // CMD 1 2 3 4 5 6 7 8 14 | // DATA 0 1 2 3 4 5 6 15 | // 02 LL 50 IIII XXXXXXXX ... 16 | 17 | public let podInfoType : PodInfoResponseSubType = .pulseLogRecent 18 | public let indexLastEntry: Int // the pulse # for last pulse log entry 19 | public let nEntries : Int // how many 32-bit pulse entries returned (calculated) 20 | public let pulseLog : [UInt32] 21 | public let data : Data 22 | 23 | public init(encodedData: Data) throws { 24 | let logStartByteOffset = 3 // starting byte offset of the pulse log in DATA 25 | let nLogBytesReturned = encodedData.count - logStartByteOffset 26 | guard encodedData.count >= logStartByteOffset && (nLogBytesReturned & 0x3) == 0 else { 27 | throw MessageBlockError.notEnoughData // not enough data to start log or a non-integral # of pulse log entries 28 | } 29 | self.nEntries = nLogBytesReturned / MemoryLayout.size 30 | self.indexLastEntry = Int((UInt16(encodedData[1]) << 8) | UInt16(encodedData[2])) 31 | self.pulseLog = createPulseLog(encodedData: encodedData, logStartByteOffset: logStartByteOffset, nEntries: self.nEntries) 32 | self.data = encodedData 33 | } 34 | } 35 | 36 | // Type $51 Pod info returns (up to) the most previous 50 32-bit pulse log entries 37 | public struct PodInfoPulseLogPrevious : PodInfo { 38 | // CMD 1 2 3 4 5 6 7 8 39 | // DATA 0 1 2 3 4 5 6 40 | // 02 LL 51 NNNN XXXXXXXX ... 41 | 42 | public let podInfoType : PodInfoResponseSubType = .pulseLogPrevious 43 | public let nEntries : Int // how many 32-bit pulse log entries returned 44 | public let pulseLog : [UInt32] 45 | public let data : Data 46 | 47 | public init(encodedData: Data) throws { 48 | let logStartByteOffset = 3 // starting byte offset of the pulse log in DATA 49 | let nLogBytesReturned = encodedData.count - logStartByteOffset 50 | guard encodedData.count >= logStartByteOffset && (nLogBytesReturned & 0x3) == 0 else { 51 | throw MessageBlockError.notEnoughData // first 3 bytes missing or non-integral # of pulse log entries 52 | } 53 | let nEntriesCalculated = nLogBytesReturned / MemoryLayout.size 54 | self.nEntries = Int((UInt16(encodedData[1]) << 8) | UInt16(encodedData[2])) 55 | // verify we actually got all the reported entries 56 | if self.nEntries > nEntriesCalculated { 57 | throw MessageBlockError.notEnoughData // some pulse log entry count mismatch issue 58 | } 59 | self.pulseLog = createPulseLog(encodedData: encodedData, logStartByteOffset: logStartByteOffset, nEntries: self.nEntries) 60 | self.data = encodedData 61 | } 62 | } 63 | 64 | func createPulseLog(encodedData: Data, logStartByteOffset: Int, nEntries: Int) -> [UInt32] { 65 | var pulseLog: [UInt32] = Array(repeating: 0, count: nEntries) 66 | var index = 0 67 | while index < nEntries { 68 | pulseLog[index] = encodedData[(logStartByteOffset+(index*4))...].toBigEndian(UInt32.self) 69 | index += 1 70 | } 71 | return pulseLog 72 | } 73 | 74 | extension BinaryInteger { 75 | var binaryDescription: String { 76 | var binaryString = "" 77 | var internalNumber = self 78 | var counter = 0 79 | 80 | for _ in (1...self.bitWidth) { 81 | binaryString.insert(contentsOf: "\(internalNumber & 1)", at: binaryString.startIndex) 82 | internalNumber >>= 1 83 | counter += 1 84 | if counter % 8 == 0 { 85 | binaryString.insert(contentsOf: " ", at: binaryString.startIndex) 86 | } 87 | } 88 | return binaryString 89 | } 90 | } 91 | 92 | func pulseLogString(pulseLogEntries: [UInt32], lastPulseNumber: Int) -> String { 93 | var str: String = "Pulse eeeeee0a pppliiib cccccccc dfgggggg\n" 94 | var index = pulseLogEntries.count - 1 95 | var pulseNumber = lastPulseNumber 96 | while index >= 0 { 97 | str += String(format: "%04d:", pulseNumber) + UInt32(pulseLogEntries[index]).binaryDescription + "\n" 98 | index -= 1 99 | pulseNumber -= 1 100 | } 101 | return str + "\n" 102 | } 103 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/MessageBlocks/BasalScheduleExtraCommand.swift: -------------------------------------------------------------------------------- 1 | // 2 | // BasalScheduleExtraCommand.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 3/30/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct BasalScheduleExtraCommand : MessageBlock { 12 | 13 | public let blockType: MessageBlockType = .basalScheduleExtra 14 | 15 | public let acknowledgementBeep: Bool 16 | public let completionBeep: Bool 17 | public let programReminderInterval: TimeInterval 18 | public let currentEntryIndex: UInt8 19 | public let remainingPulses: Double 20 | public let delayUntilNextTenthOfPulse: TimeInterval 21 | public let rateEntries: [RateEntry] 22 | 23 | public var data: Data { 24 | let beepOptions = (UInt8(programReminderInterval.minutes) & 0x3f) + (completionBeep ? (1<<6) : 0) + (acknowledgementBeep ? (1<<7) : 0) 25 | var data = Data([ 26 | blockType.rawValue, 27 | UInt8(8 + rateEntries.count * 6), 28 | beepOptions, 29 | currentEntryIndex 30 | ]) 31 | data.appendBigEndian(UInt16(round(remainingPulses * 10))) 32 | data.appendBigEndian(UInt32(round(delayUntilNextTenthOfPulse.milliseconds * 1000))) 33 | for entry in rateEntries { 34 | data.append(entry.data) 35 | } 36 | return data 37 | } 38 | 39 | public init(encodedData: Data) throws { 40 | if encodedData.count < 14 { 41 | throw MessageBlockError.notEnoughData 42 | } 43 | let length = encodedData[1] 44 | let numEntries = (length - 8) / 6 45 | 46 | acknowledgementBeep = encodedData[2] & (1<<7) != 0 47 | completionBeep = encodedData[2] & (1<<6) != 0 48 | programReminderInterval = TimeInterval(minutes: Double(encodedData[2] & 0x3f)) 49 | 50 | currentEntryIndex = encodedData[3] 51 | remainingPulses = Double(encodedData[4...].toBigEndian(UInt16.self)) / 10.0 52 | let timerCounter = encodedData[6...].toBigEndian(UInt32.self) 53 | delayUntilNextTenthOfPulse = TimeInterval(hundredthsOfMilliseconds: Double(timerCounter)) 54 | var entries = [RateEntry]() 55 | for entryIndex in (0..> 4 63 | guard let alertType = AlertSlot(rawValue: alertTypeBits) else { 64 | throw MessageError.unknownValue(value: alertTypeBits, typeDescription: "AlertType") 65 | } 66 | self.slot = alertType 67 | 68 | self.active = encodedData[0] & 0b1000 != 0 69 | 70 | self.autoOffModifier = encodedData[0] & 0b10 != 0 71 | 72 | self.duration = TimeInterval(minutes: Double((Int(encodedData[0] & 0b1) << 8) + Int(encodedData[1]))) 73 | 74 | let yyyy = (Int(encodedData[2]) << 8) + (Int(encodedData[3])) & 0x3fff 75 | 76 | if encodedData[0] & 0b100 != 0 { 77 | let volume = Double(yyyy * 2) * Pod.pulseSize 78 | self.trigger = .unitsRemaining(volume) 79 | } else { 80 | self.trigger = .timeUntilAlert(TimeInterval(minutes: Double(yyyy))) 81 | } 82 | 83 | let beepRepeatBits = encodedData[4] 84 | guard let beepRepeat = BeepRepeat(rawValue: beepRepeatBits) else { 85 | throw MessageError.unknownValue(value: beepRepeatBits, typeDescription: "BeepRepeat") 86 | } 87 | self.beepRepeat = beepRepeat 88 | 89 | let beepTypeBits = encodedData[5] 90 | guard let beepType = BeepType(rawValue: beepTypeBits) else { 91 | throw MessageError.unknownValue(value: beepTypeBits, typeDescription: "BeepType") 92 | } 93 | self.beepType = beepType 94 | 95 | } 96 | 97 | public var data: Data { 98 | var firstByte = slot.rawValue << 4 99 | firstByte += active ? (1 << 3) : 0 100 | 101 | if case .unitsRemaining = trigger { 102 | firstByte += 1 << 2 103 | } 104 | if autoOffModifier { 105 | firstByte += 1 << 1 106 | } 107 | // High bit of duration 108 | firstByte += UInt8((Int(duration.minutes) >> 8) & 0x1) 109 | 110 | var data = Data([ 111 | firstByte, 112 | UInt8(Int(duration.minutes) & 0xff) 113 | ]) 114 | 115 | switch trigger { 116 | case .unitsRemaining(let volume): 117 | let ticks = UInt16(volume / Pod.pulseSize / 2) 118 | data.appendBigEndian(ticks) 119 | case .timeUntilAlert(let secondsUntilAlert): 120 | // round the time to alert to the nearest minute 121 | let minutes = UInt16((secondsUntilAlert + 30).minutes) 122 | data.appendBigEndian(minutes) 123 | } 124 | data.append(beepRepeat.rawValue) 125 | data.append(beepType.rawValue) 126 | 127 | return data 128 | } 129 | } 130 | 131 | extension ConfigureAlertsCommand: CustomDebugStringConvertible { 132 | public var debugDescription: String { 133 | return "ConfigureAlertsCommand(nonce:\(Data(bigEndian: nonce).hexadecimalString), configurations:\(configurations))" 134 | } 135 | } 136 | -------------------------------------------------------------------------------- /OmniBLE/PumpManagerUI/Views/OmnipodReservoirView.swift: -------------------------------------------------------------------------------- 1 | // 2 | // OmnipodReservoirView.swift 3 | // OmnipodKit 4 | // 5 | // Created by Pete Schwamb on 10/22/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import LoopKitUI 11 | import OmniKit 12 | 13 | public final class OmnipodReservoirView: LevelHUDView, NibLoadable { 14 | 15 | override public var orderPriority: HUDViewOrderPriority { 16 | return 11 17 | } 18 | 19 | @IBOutlet private weak var volumeLabel: UILabel! 20 | 21 | @IBOutlet private weak var alertLabel: UILabel! { 22 | didSet { 23 | alertLabel.alpha = 0 24 | alertLabel.textColor = UIColor.white 25 | alertLabel.layer.cornerRadius = 9 26 | alertLabel.clipsToBounds = true 27 | } 28 | } 29 | 30 | public class func instantiate() -> OmnipodReservoirView { 31 | return nib().instantiate(withOwner: nil, options: nil)[0] as! OmnipodReservoirView 32 | } 33 | 34 | override public func awakeFromNib() { 35 | super.awakeFromNib() 36 | 37 | volumeLabel.isHidden = true 38 | } 39 | 40 | private var reservoirLevel: Double? { 41 | didSet { 42 | level = reservoirLevel 43 | 44 | switch reservoirLevel { 45 | case .none: 46 | volumeLabel.isHidden = true 47 | case let x? where x > 0.25: 48 | volumeLabel.isHidden = true 49 | case let x? where x > 0.10: 50 | volumeLabel.textColor = tintColor 51 | volumeLabel.isHidden = false 52 | default: 53 | volumeLabel.textColor = tintColor 54 | volumeLabel.isHidden = false 55 | } 56 | } 57 | } 58 | 59 | override public func tintColorDidChange() { 60 | super.tintColorDidChange() 61 | 62 | volumeLabel.textColor = tintColor 63 | } 64 | 65 | 66 | private func updateColor() { 67 | switch reservoirAlertState { 68 | case .lowReservoir, .empty: 69 | alertLabel.backgroundColor = stateColors?.warning 70 | case .ok: 71 | alertLabel.backgroundColor = stateColors?.normal 72 | } 73 | } 74 | 75 | override public func stateColorsDidUpdate() { 76 | super.stateColorsDidUpdate() 77 | updateColor() 78 | } 79 | 80 | 81 | private var reservoirAlertState = ReservoirAlertState.ok { 82 | didSet { 83 | var alertLabelAlpha: CGFloat = 1 84 | 85 | switch reservoirAlertState { 86 | case .ok: 87 | alertLabelAlpha = 0 88 | case .lowReservoir, .empty: 89 | alertLabel.text = "!" 90 | } 91 | 92 | updateColor() 93 | 94 | if self.superview == nil { 95 | self.alertLabel.alpha = alertLabelAlpha 96 | } else { 97 | UIView.animate(withDuration: 0.25, animations: { 98 | self.alertLabel.alpha = alertLabelAlpha 99 | }) 100 | } 101 | } 102 | } 103 | 104 | private lazy var timeFormatter: DateFormatter = { 105 | let formatter = DateFormatter() 106 | formatter.dateStyle = .none 107 | formatter.timeStyle = .short 108 | 109 | return formatter 110 | }() 111 | 112 | private lazy var numberFormatter: NumberFormatter = { 113 | let formatter = NumberFormatter() 114 | formatter.numberStyle = .decimal 115 | formatter.maximumFractionDigits = 0 116 | 117 | return formatter 118 | }() 119 | 120 | private let insulinFormatter: NumberFormatter = { 121 | let formatter = NumberFormatter() 122 | formatter.numberStyle = .decimal 123 | formatter.maximumFractionDigits = 3 124 | return formatter 125 | }() 126 | 127 | 128 | public func update(volume: Double?, at date: Date, level: Double?, reservoirAlertState: ReservoirAlertState) { 129 | self.reservoirLevel = level 130 | 131 | let time = timeFormatter.string(from: date) 132 | caption?.text = time 133 | 134 | if let volume = volume { 135 | if let units = numberFormatter.string(from: volume) { 136 | volumeLabel.text = String(format: LocalizedString("%@U", comment: "Format string for reservoir volume. (1: The localized volume)"), units) 137 | 138 | accessibilityValue = String(format: LocalizedString("%1$@ units remaining at %2$@", comment: "Accessibility format string for (1: localized volume)(2: time)"), units, time) 139 | } 140 | } else if let maxReservoirReading = insulinFormatter.string(from: Pod.maximumReservoirReading) { 141 | accessibilityValue = String(format: LocalizedString("Greater than %1$@ units remaining at %2$@", comment: "Accessibility format string for (1: localized volume)(2: time)"), maxReservoirReading, time) 142 | } 143 | self.reservoirAlertState = reservoirAlertState 144 | } 145 | } 146 | 147 | 148 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/Message.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Message.swift 3 | // OmniKit 4 | // 5 | // Created by Pete Schwamb on 10/14/17. 6 | // Copyright © 2017 Pete Schwamb. All rights reserved. 7 | // 8 | import Foundation 9 | 10 | public enum MessageError: Error { 11 | case notEnoughData 12 | case invalidCrc 13 | case invalidSequence 14 | case invalidAddress(address: UInt32) 15 | case parsingError(offset: Int, data: Data, error: Error) 16 | case unknownValue(value: UInt8, typeDescription: String) 17 | case validationFailed(description: String) 18 | } 19 | 20 | struct Message { 21 | let address: UInt32 22 | let messageBlocks: [MessageBlock] 23 | let sequenceNum: Int 24 | let expectFollowOnMessage: Bool 25 | 26 | init(address: UInt32, messageBlocks: [MessageBlock], sequenceNum: Int, expectFollowOnMessage: Bool = false) { 27 | self.address = address 28 | self.messageBlocks = messageBlocks 29 | self.sequenceNum = sequenceNum 30 | self.expectFollowOnMessage = expectFollowOnMessage 31 | } 32 | 33 | init(encodedData: Data) throws { 34 | guard encodedData.count >= 10 else { 35 | throw MessageError.notEnoughData 36 | } 37 | self.address = encodedData[0...].toBigEndian(UInt32.self) 38 | let b9 = encodedData[4] 39 | let bodyLen = encodedData[5] 40 | 41 | if bodyLen > encodedData.count - 8 { 42 | throw MessageError.notEnoughData 43 | } 44 | 45 | self.expectFollowOnMessage = (b9 & 0b10000000) != 0 46 | self.sequenceNum = Int((b9 >> 2) & 0b1111) 47 | let crc = (UInt16(encodedData[encodedData.count-2]) << 8) + UInt16(encodedData[encodedData.count-1]) 48 | let msgWithoutCrc = encodedData.prefix(encodedData.count - 2) 49 | let computedCrc = UInt16(msgWithoutCrc.crc16()) 50 | 51 | let acceptZeroCRC16 = true // needed for pod simulator which doesn't compute a CRC16 52 | let ignoreDecodeCRCErrors = true // temp hack to continue running 53 | if computedCrc != crc && !(acceptZeroCRC16 && crc == 0) { 54 | if (ignoreDecodeCRCErrors) { 55 | self.messageBlocks = try Message.decodeBlocks(data: Data(msgWithoutCrc.suffix(from: 6))) 56 | return // set breakpoint on this line to catch a CRC mismatch 57 | } 58 | throw MessageError.invalidCrc 59 | } 60 | self.messageBlocks = try Message.decodeBlocks(data: Data(msgWithoutCrc.suffix(from: 6))) 61 | } 62 | 63 | static private func decodeBlocks(data: Data) throws -> [MessageBlock] { 64 | var blocks = [MessageBlock]() 65 | var idx = 0 66 | repeat { 67 | guard let blockType = MessageBlockType(rawValue: data[idx]) else { 68 | throw MessageBlockError.unknownBlockType(rawVal: data[idx]) 69 | } 70 | do { 71 | let block = try blockType.blockType.init(encodedData: Data(data.suffix(from: idx))) 72 | blocks.append(block) 73 | idx += Int(block.data.count) 74 | } catch (let error) { 75 | throw MessageError.parsingError(offset: idx, data: data.suffix(from: idx), error: error) 76 | } 77 | } while idx < data.count 78 | return blocks 79 | } 80 | 81 | func encoded() -> Data { 82 | var bytes = Data(bigEndian: address) 83 | 84 | var cmdData = Data() 85 | for cmd in messageBlocks { 86 | cmdData.append(cmd.data) 87 | } 88 | 89 | let b9: UInt8 = ((expectFollowOnMessage ? 1 : 0) << 7) + (UInt8(sequenceNum & 0b11111) << 2) + UInt8((cmdData.count >> 8) & 0b11) 90 | bytes.append(b9) 91 | bytes.append(UInt8(cmdData.count & 0xff)) 92 | 93 | var data = Data(bytes) + cmdData 94 | let crc: UInt16 = data.crc16() 95 | data.appendBigEndian(crc) 96 | return data 97 | } 98 | 99 | var fault: DetailedStatus? { 100 | if messageBlocks.count > 0 && messageBlocks[0].blockType == .podInfoResponse, 101 | let infoResponse = messageBlocks[0] as? PodInfoResponse, 102 | infoResponse.podInfoResponseSubType == .detailedStatus, 103 | let detailedStatus = infoResponse.podInfo as? DetailedStatus, 104 | detailedStatus.isFaulted 105 | { 106 | return detailedStatus 107 | } else { 108 | return nil 109 | } 110 | } 111 | 112 | // returns the encoded length of a message 113 | static func messageLength(message: [MessageBlock]) -> Int { 114 | let message = Message(address: 0, messageBlocks: message, sequenceNum: 0) 115 | let encodedData = message.encoded() 116 | return encodedData.count 117 | } 118 | } 119 | 120 | extension Message: CustomDebugStringConvertible { 121 | var debugDescription: String { 122 | let sequenceNumStr = String(format: "%02d", sequenceNum) 123 | return "Message(\(Data(bigEndian: address).hexadecimalString) seq:\(sequenceNumStr) \(messageBlocks))" 124 | } 125 | } 126 | -------------------------------------------------------------------------------- /OmniBLE/OmnipodCommon/Pod.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Pod.swift 3 | // OmnipodKit 4 | // 5 | // Created by Pete Schwamb on 4/4/18. 6 | // Copyright © 2018 Pete Schwamb. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | public struct Pod { 12 | // Volume of U100 insulin in one motor pulse 13 | // Must agree with value returned by pod during the pairing process. 14 | public static let pulseSize: Double = 0.05 15 | 16 | // Number of pulses required to deliver one unit of U100 insulin 17 | public static let pulsesPerUnit: Double = 1 / Pod.pulseSize 18 | 19 | // Seconds per pulse for boluses 20 | // Checked to verify it agrees with value returned by pod during the pairing process. 21 | public static let secondsPerBolusPulse: Double = 2 22 | 23 | // Units per second for boluses 24 | public static let bolusDeliveryRate: Double = Pod.pulseSize / Pod.secondsPerBolusPulse 25 | 26 | // Seconds per pulse for priming/cannula insertion 27 | // Checked to verify it agrees with value returned by pod during the pairing process. 28 | public static let secondsPerPrimePulse: Double = 1 29 | 30 | // Units per second for priming/cannula insertion 31 | public static let primeDeliveryRate: Double = Pod.pulseSize / Pod.secondsPerPrimePulse 32 | 33 | // User configured time before expiration advisory (PDM allows 1-24 hours) 34 | public static let expirationAlertWindow = TimeInterval(hours: 2) 35 | 36 | // Expiration advisory window: time after expiration alert, and end of service imminent alarm 37 | public static let expirationAdvisoryWindow = TimeInterval(hours: 7) 38 | 39 | // End of service imminent window, relative to pod end of service 40 | public static let endOfServiceImminentWindow = TimeInterval(hours: 1) 41 | 42 | // Total pod service time. A fault is triggered if this time is reached before pod deactivation. 43 | // Checked to verify it agrees with value returned by pod during the pairing process. 44 | public static let serviceDuration = TimeInterval(hours: 80) 45 | 46 | // Nomimal pod life (72 hours) 47 | public static let nominalPodLife = Pod.serviceDuration - Pod.endOfServiceImminentWindow - Pod.expirationAdvisoryWindow 48 | 49 | // Maximum reservoir level reading 50 | public static let maximumReservoirReading: Double = 50 51 | 52 | // Reservoir Capacity 53 | public static let reservoirCapacity: Double = 200 54 | 55 | // Supported basal rates 56 | public static let supportedBasalRates: [Double] = (1...600).map { Double($0) / Double(pulsesPerUnit) } 57 | 58 | // Maximum number of basal schedule entries supported 59 | public static let maximumBasalScheduleEntryCount: Int = 24 60 | 61 | // Minimum duration of a single basal schedule entry 62 | public static let minimumBasalScheduleEntryDuration = TimeInterval.minutes(30) 63 | 64 | // Default amount for priming bolus using secondsPerPrimePulse timing. 65 | // Checked to verify it agrees with value returned by pod during the pairing process. 66 | public static let primeUnits = 2.6 67 | 68 | // Default amount for cannula insertion bolus using secondsPerPrimePulse timing. 69 | // Checked to verify it agrees with value returned by pod during the pairing process. 70 | public static let cannulaInsertionUnits = 0.5 71 | 72 | public static let cannulaInsertionUnitsExtra = 0.0 // edit to add a fixed additional amount of insulin during cannula insertion 73 | 74 | // Default and limits for expiration reminder alerts 75 | public static let expirationReminderAlertDefaultTimeBeforeExpiration = TimeInterval.hours(2) 76 | public static let expirationReminderAlertMinTimeBeforeExpiration = TimeInterval.hours(1) 77 | public static let expirationReminderAlertMaxTimeBeforeExpiration = TimeInterval.hours(24) 78 | } 79 | 80 | // DeliveryStatus used in StatusResponse and DetailedStatus 81 | public enum DeliveryStatus: UInt8, CustomStringConvertible { 82 | case suspended = 0 83 | case scheduledBasal = 1 84 | case tempBasalRunning = 2 85 | case priming = 4 86 | case bolusInProgress = 5 87 | case bolusAndTempBasal = 6 88 | 89 | public var bolusing: Bool { 90 | return self == .bolusInProgress || self == .bolusAndTempBasal 91 | } 92 | 93 | public var tempBasalRunning: Bool { 94 | return self == .tempBasalRunning || self == .bolusAndTempBasal 95 | } 96 | 97 | public var description: String { 98 | switch self { 99 | case .suspended: 100 | return LocalizedString("Suspended", comment: "Delivery status when insulin delivery is suspended") 101 | case .scheduledBasal: 102 | return LocalizedString("Scheduled basal", comment: "Delivery status when scheduled basal is running") 103 | case .tempBasalRunning: 104 | return LocalizedString("Temp basal running", comment: "Delivery status when temp basal is running") 105 | case .priming: 106 | return LocalizedString("Priming", comment: "Delivery status when pod is priming") 107 | case .bolusInProgress: 108 | return LocalizedString("Bolusing", comment: "Delivery status when bolusing") 109 | case .bolusAndTempBasal: 110 | return LocalizedString("Bolusing with temp basal", comment: "Delivery status when bolusing and temp basal is running") 111 | } 112 | } 113 | } 114 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Session/Milenage.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Milenage.swift 3 | // OmniBLE 4 | // 5 | // Created by Randall Knutson on 11/8/21. 6 | // Copyright © 2021 Randall Knutson. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import os.log 11 | import CryptoSwift 12 | 13 | enum MilenageError: Error { 14 | case Error(String) 15 | } 16 | 17 | class Milenage { 18 | static let RESYNC_AMF = Data(hex: "0000") 19 | static let MILENAGE_OP = Data(hex: "cdc202d5123e20f62b6d676ac72cb318") 20 | static let MILENAGE_AMF = Data(hex: "b9b9") 21 | static let KEY_SIZE = 16 22 | static let AUTS_SIZE = 14 23 | static private let SQN = 6 24 | 25 | private let log = OSLog(subsystem: "Milenage", category: "Milenage") 26 | private let k: Data 27 | let sqn: Data 28 | let auts: Data 29 | let amf: Data 30 | var ck: Data 31 | var autn: Data 32 | var rand: Data 33 | var synchronizationSqn: Data 34 | var res: Data 35 | var ak: Data 36 | var macS: Data 37 | var receivedMacS: Data 38 | 39 | init(k: Data, sqn: Data, randParam: Data? = nil, auts: Data = Data(repeating: 0x00, count: 14), amf: Data = Milenage.MILENAGE_AMF) throws { 40 | guard (k.count == Milenage.KEY_SIZE) else { throw MilenageError.Error("Milenage key has to be \(Milenage.KEY_SIZE) bytes long. Received: \(k.hexadecimalString)") } 41 | guard (sqn.count == Milenage.SQN) else { throw MilenageError.Error("Milenage SQN has to be \(Milenage.SQN) long. Received: \(sqn.hexadecimalString)") } 42 | guard (auts.count == Milenage.AUTS_SIZE) else { throw MilenageError.Error("Milenage AUTS has to be \(Milenage.AUTS_SIZE) long. Received: \(auts.hexadecimalString)") } 43 | guard (amf.count == Milenage.MILENAGE_AMF.count) else { 44 | throw MilenageError.Error("Milenage AMF has to be ${MILENAGE_AMF.count} long." + 45 | "Received: ${amf.toHex()}") 46 | } 47 | self.k = k 48 | self.sqn = sqn 49 | self.auts = auts 50 | self.amf = amf 51 | 52 | let cipher = try AES(key: k.bytes, blockMode: ECB(), padding: .noPadding) 53 | 54 | let random = OmniRandomByteGenerator() 55 | rand = randParam ?? random.nextBytes(length: Milenage.KEY_SIZE) 56 | 57 | let opc = Data(try cipher.encrypt(Milenage.MILENAGE_OP.bytes)) ^ Milenage.MILENAGE_OP 58 | let randOpcEncrypted = Data(try cipher.encrypt((rand ^ opc).bytes)) 59 | let randOpcEncryptedxorOpc = randOpcEncrypted ^ opc 60 | var resAkInput = randOpcEncryptedxorOpc.subdata(in: 0..(repeating: 0x00, count: Milenage.KEY_SIZE) 70 | 71 | for i in 0...15 { 72 | ckInput[(i + 12) % 16] = randOpcEncryptedxorOpc[i] 73 | } 74 | ckInput[15] = UInt8((Int(ckInput[15]) ^ 2)) 75 | 76 | ck = Data(try cipher.encrypt(ckInput)) ^ opc 77 | 78 | let sqnAmf = sqn + amf + sqn + amf 79 | let sqnAmfxorOpc = sqnAmf ^ opc 80 | var macAInput = Array(repeating: 0x00, count: Milenage.KEY_SIZE) 81 | 82 | for i in 0...15 { 83 | macAInput[(i + 8) % 16] = sqnAmfxorOpc[i] 84 | } 85 | 86 | let macAFull = Data(try cipher.encrypt((Data(macAInput) ^ randOpcEncrypted).bytes)) ^ opc 87 | let macA = macAFull.subdata(in: 0..<8) 88 | macS = macAFull.subdata(in: 8..<16) 89 | 90 | autn = (ak ^ sqn) + amf + macA 91 | 92 | // Used for re-synchronisation AUTS = SQN^AK || MAC-S 93 | var akStarInput = Array(repeating: 0x00, count: Milenage.KEY_SIZE) 94 | 95 | for i in 0...15 { 96 | akStarInput[(i + 4) % 16] = randOpcEncryptedxorOpc[i] 97 | } 98 | akStarInput[15] = UInt8((Int(akStarInput[15]) ^ 8)) 99 | 100 | let akStarFull = Data(try cipher.encrypt(akStarInput)) ^ opc 101 | let akStar = akStarFull.subdata(in: 0..<6) 102 | 103 | let seqxorAkStar = auts.subdata(in: 0..<6) 104 | synchronizationSqn = akStar ^ seqxorAkStar 105 | receivedMacS = auts.subdata(in: 6..<14) 106 | 107 | print("Milenage K: \(k.hexadecimalString)") 108 | print("Milenage RAND: \(rand.hexadecimalString)") 109 | print("Milenage SQN: \(sqn.hexadecimalString)") 110 | print("Milenage CK: \(ck.hexadecimalString)") 111 | print("Milenage AUTN: \(autn.hexadecimalString)") 112 | print("Milenage RES: \(res.hexadecimalString)") 113 | print("Milenage AK: \(ak.hexadecimalString)") 114 | print("Milenage AK STAR: \(akStar.hexadecimalString)") 115 | print("Milenage OPC: \(opc.hexadecimalString)") 116 | print("Milenage FullMAC: \(macAFull.hexadecimalString)") 117 | print("Milenage MacA: \(macA.hexadecimalString)") 118 | print("Milenage MacS: \(macS.hexadecimalString)") 119 | print("Milenage AUTS: \(auts.hexadecimalString)") 120 | print("Milenage synchronizationSqn: \(synchronizationSqn.hexadecimalString)") 121 | print("Milenage receivedMacS: \(receivedMacS.hexadecimalString)") 122 | } 123 | 124 | } 125 | 126 | extension Data { 127 | static func ^ (left: Data, right: Data) -> Data { 128 | var out = Array(repeating: 0x00, count: left.count) 129 | for i in 0.. MessagePacket { 18 | guard payload.count >= HEADER_SIZE else { 19 | throw BluetoothErrors.CouldNotParseMessageException("Incorrect header size") 20 | } 21 | 22 | guard (String(data: payload.subdata(in: 0..<2), encoding: .utf8) == MAGIC_PATTERN) else { 23 | throw BluetoothErrors.CouldNotParseMessageException("Magic pattern mismatch") 24 | } 25 | let payloadData = payload 26 | 27 | let f1 = Flag(payloadData[2]) 28 | let sas = f1.get(3) != 0 29 | let tfs = f1.get(4) != 0 30 | let version = Int16(((f1.get(0) << 2) | (f1.get(1) << 1) | (f1.get(2) << 0))) 31 | let eqos = Int16((f1.get(7) | (f1.get(6) << 1) | (f1.get(5) << 2))) 32 | 33 | let f2 = Flag(payloadData[3]) 34 | let ack = f2.get(0) != 0 35 | let priority = f2.get(1) != 0 36 | let lastMessage = f2.get(2) != 0 37 | let gateway = f2.get(3) != 0 38 | let type: MessageType = MessageType(rawValue: UInt8(f2.get(7) | (f2.get(6) << 1) | (f2.get(5) << 2) | (f2.get(4) << 3))) ?? .CLEAR 39 | if (version != 0) { 40 | throw BluetoothErrors.CouldNotParseMessageException("Wrong version") 41 | } 42 | let sequenceNumber = payloadData[4] 43 | let ackNumber = payloadData[5] 44 | let size = (UInt16(payloadData[6]) << 3) | (UInt16(payloadData[7]) >> 5) 45 | guard payload.count >= (Int(size) + MessagePacket.HEADER_SIZE) else { 46 | throw BluetoothErrors.CouldNotParseMessageException("Wrong payload size") 47 | } 48 | 49 | let payloadEnd = Int(16 + size + (type == MessageType.ENCRYPTED ? 8 : 0)) 50 | 51 | return MessagePacket( 52 | type: type, 53 | source: Id(payload.subdata(in: 8..<12)).toUInt32(), 54 | destination: Id(payload.subdata(in: 12..<16)).toUInt32(), 55 | payload: payload.subdata(in: 16.. Data { 101 | var bb = Data(capacity: 16 + payload.count) 102 | bb.append(MessagePacket.MAGIC_PATTERN.data(using: .utf8)!) 103 | 104 | let f1 = Flag() 105 | f1.set(0, self.version & 4 != 0) 106 | f1.set(1, self.version & 2 != 0) 107 | f1.set(2, self.version & 1 != 0) 108 | f1.set(3, self.sas) 109 | f1.set(4, self.tfs) 110 | f1.set(5, self.eqos & 4 != 0) 111 | f1.set(6, self.eqos & 2 != 0) 112 | f1.set(7, self.eqos & 1 != 0) 113 | 114 | let f2 = Flag() 115 | f2.set(0, self.ack) 116 | f2.set(1, self.priority) 117 | f2.set(2, self.lastMessage) 118 | f2.set(3, self.gateway) 119 | f2.set(4, self.type.rawValue & 8 != 0) 120 | f2.set(5, self.type.rawValue & 4 != 0) 121 | f2.set(6, self.type.rawValue & 2 != 0) 122 | f2.set(7, self.type.rawValue & 1 != 0) 123 | 124 | bb.append(f1.value) 125 | bb.append(f2.value) 126 | bb.append(self.sequenceNumber) 127 | bb.append(self.ackNumber) 128 | let size = payload.count - ((type == MessageType.ENCRYPTED && !forEncryption) ? 8 : 0) 129 | bb.append(UInt8(size >> 3)) 130 | bb.append(UInt8((size << 5) & 0xff)) 131 | bb.append(self.source.address) 132 | bb.append(self.destination.address) 133 | 134 | bb.append(self.payload) 135 | 136 | return bb 137 | } 138 | } 139 | 140 | private class Flag { 141 | var value: UInt8 142 | 143 | init(_ value: UInt8 = 0) { 144 | self.value = value 145 | } 146 | 147 | func set(_ idx: UInt8, _ set: Bool) { 148 | let mask: UInt8 = 1 << (7 - idx) 149 | if (!set) { 150 | return 151 | } 152 | value = value | mask 153 | } 154 | 155 | func get(_ idx: UInt8) -> UInt8 { 156 | let mask: UInt8 = 1 << (7 - idx) 157 | if (value & mask == 0) { 158 | return 0 159 | } 160 | return 1 161 | } 162 | } 163 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Pair/LTKExchanger.swift: -------------------------------------------------------------------------------- 1 | // 2 | // LTKExchanger.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/3/21. 6 | // 7 | import Foundation 8 | import os.log 9 | 10 | class LTKExchanger { 11 | static let GET_POD_STATUS_HEX_COMMAND: Data = Data(hex: "ffc32dbd08030e0100008a") 12 | // This is the binary representation of "GetPodStatus command" 13 | 14 | static private let SP1 = "SP1=" 15 | static private let SP2 = ",SP2=" 16 | static private let SPS1 = "SPS1=" 17 | static private let SPS2 = "SPS2=" 18 | static private let SP0GP0 = "SP0,GP0" 19 | static private let P0 = "P0=" 20 | static private let UNKNOWN_P0_PAYLOAD = Data([0xa5]) 21 | 22 | private let manager: PeripheralManager 23 | private let ids: Ids 24 | private let podAddress = Ids.notActivated() 25 | private let keyExchange = try! KeyExchange(X25519KeyGenerator(), OmniRandomByteGenerator()) 26 | private var seq: UInt8 = 1 27 | 28 | private let log = OSLog(category: "LTKExchanger") 29 | 30 | init(manager: PeripheralManager, ids: Ids) { 31 | self.manager = manager 32 | self.ids = ids 33 | } 34 | 35 | func negotiateLTK() throws -> PairResult { 36 | log.debug("Sending sp1sp2") 37 | let sp1sp2 = PairMessage( 38 | sequenceNumber: seq, 39 | source: ids.myId, 40 | destination: podAddress, 41 | keys: [LTKExchanger.SP1, LTKExchanger.SP2], 42 | payloads: [ids.podId.address, sp2()] 43 | ) 44 | try throwOnSendError(sp1sp2.message, LTKExchanger.SP1 + LTKExchanger.SP2) 45 | 46 | seq += 1 47 | log.debug("Sending sps1") 48 | let sps1 = PairMessage( 49 | sequenceNumber: seq, 50 | source: ids.myId, 51 | destination: podAddress, 52 | keys: [LTKExchanger.SPS1], 53 | payloads: [keyExchange.pdmPublic + keyExchange.pdmNonce] 54 | ) 55 | try throwOnSendError(sps1.message, LTKExchanger.SPS1) 56 | 57 | log.debug("Reading sps1") 58 | let podSps1 = try manager.readMessage(true) 59 | guard let _ = podSps1 else { 60 | throw BluetoothErrors.PairingException("Could not read SPS1") 61 | } 62 | try processSps1FromPod(podSps1!) 63 | // now we have all the data to generate: confPod, confPdm, ltk and noncePrefix 64 | 65 | log.debug("Sending sps2") 66 | seq += 1 67 | let sps2 = PairMessage( 68 | sequenceNumber: seq, 69 | source: ids.myId, 70 | destination: podAddress, 71 | keys: [LTKExchanger.SPS2], 72 | payloads: [keyExchange.pdmConf] 73 | ) 74 | try throwOnSendError(sps2.message, LTKExchanger.SPS2) 75 | 76 | let podSps2 = try manager.readMessage() 77 | guard let _ = podSps2 else { 78 | throw BluetoothErrors.PairingException("Could not read SPS2") 79 | } 80 | try validatePodSps2(podSps2!) 81 | // No exception throwing after this point. It is possible that the pod saved the LTK 82 | 83 | seq += 1 84 | // send SP0GP0 85 | let sp0gp0 = PairMessage( 86 | sequenceNumber: seq, 87 | source: ids.myId, 88 | destination: podAddress, 89 | keys: [LTKExchanger.SP0GP0], 90 | payloads: [Data()] 91 | ) 92 | let result = try manager.sendMessage(sp0gp0.message) 93 | guard ((result as? MessageSendSuccess) != nil) else { 94 | throw BluetoothErrors.PairingException("Error sending SP0GP0: \(result)") 95 | } 96 | 97 | let p0 = try manager.readMessage() 98 | guard let _ = p0 else { 99 | throw BluetoothErrors.PairingException("Could not read P0") 100 | } 101 | try validateP0(p0!) 102 | 103 | guard keyExchange.ltk.count == 16 else { 104 | throw BluetoothErrors.InvalidLTKKey("Invalid Key, got \(String(data: keyExchange.ltk, encoding: .utf8) ?? "")") 105 | } 106 | 107 | return PairResult( 108 | ltk: keyExchange.ltk, 109 | address: ids.podId.toUInt32(), 110 | msgSeq: seq 111 | ) 112 | } 113 | 114 | private func throwOnSendError(_ msg: MessagePacket, _ msgType: String) throws { 115 | let result = try manager.sendMessage(msg) 116 | guard ((result as? MessageSendSuccess) != nil) else { 117 | throw BluetoothErrors.PairingException("Could not send or confirm $msgType: \(result)") 118 | } 119 | } 120 | 121 | private func processSps1FromPod(_ msg: MessagePacket) throws { 122 | log.debug("Received SPS1 from pod: %@", msg.payload.hexadecimalString) 123 | 124 | let payload = try StringLengthPrefixEncoding.parseKeys([LTKExchanger.SPS1], msg.payload)[0] 125 | log.debug("SPS1 payload from pod: %@", payload.hexadecimalString) 126 | try keyExchange.updatePodPublicData(payload) 127 | } 128 | 129 | private func validatePodSps2(_ msg: MessagePacket) throws { 130 | log.debug("Received SPS2 from pod: %@", msg.payload.hexadecimalString) 131 | 132 | let payload = try StringLengthPrefixEncoding.parseKeys([LTKExchanger.SPS2], msg.payload)[0] 133 | log.debug("SPS2 payload from pod: %@", payload.hexadecimalString) 134 | 135 | if (payload.count != KeyExchange.CMAC_SIZE) { 136 | throw BluetoothErrors.MessageIOException("Invalid payload size") 137 | } 138 | try keyExchange.validatePodConf(payload) 139 | } 140 | 141 | private func sp2() -> Data { 142 | // This is GetPodStatus command, with page 0 parameter. 143 | // We could replace that in the future with the serialized GetPodStatus() 144 | return LTKExchanger.GET_POD_STATUS_HEX_COMMAND 145 | } 146 | 147 | private func validateP0(_ msg: MessagePacket) throws { 148 | log.debug("Received P0 from pod: %@", msg.payload.hexadecimalString) 149 | 150 | let payload = try StringLengthPrefixEncoding.parseKeys([LTKExchanger.P0], msg.payload)[0] 151 | log.debug("P0 payload from pod: %@", payload.hexadecimalString) 152 | if (payload != LTKExchanger.UNKNOWN_P0_PAYLOAD) { 153 | throw BluetoothErrors.PairingException("Reveived invalid P0 payload: \(payload)") 154 | } 155 | } 156 | } 157 | -------------------------------------------------------------------------------- /OmniBLE/Bluetooth/Packet/BLEPacket.swift: -------------------------------------------------------------------------------- 1 | // 2 | // BLEPacket.swift 3 | // OmnipodKit 4 | // 5 | // Created by Randall Knutson on 8/11/21. 6 | // 7 | 8 | import Foundation 9 | let MAX_SIZE = 20 10 | 11 | protocol BlePacket { 12 | var payload: Data { get } 13 | 14 | func toData() -> Data 15 | } 16 | 17 | struct FirstBlePacket: BlePacket { 18 | private static let HEADER_SIZE_WITHOUT_MIDDLE_PACKETS = 7 // we are using all fields 19 | private static let HEADER_SIZE_WITH_MIDDLE_PACKETS = 2 20 | 21 | internal static let CAPACITY_WITHOUT_MIDDLE_PACKETS = 22 | MAX_SIZE - HEADER_SIZE_WITHOUT_MIDDLE_PACKETS // we are using all fields 23 | internal static let CAPACITY_WITH_MIDDLE_PACKETS = 24 | MAX_SIZE - HEADER_SIZE_WITH_MIDDLE_PACKETS // we are not using crc32 or size 25 | internal static let CAPACITY_WITH_THE_OPTIONAL_PLUS_ONE_PACKET = 18 26 | 27 | private static let MAX_FRAGMENTS = 15 // 15*20=300 bytes 28 | 29 | let fullFragments: Int 30 | let payload: Data 31 | var size: UInt8? 32 | var crc32: Data? 33 | var oneExtraPacket: Bool = false 34 | 35 | func toData() -> Data { 36 | var bb = Data(capacity: MAX_SIZE) 37 | bb.append(UInt8(0)) // index 38 | bb.append(UInt8(fullFragments)) // # of fragments except FirstBlePacket and LastOptionalPlusOneBlePacket 39 | 40 | if let crc32 = crc32 { 41 | bb.append(crc32) 42 | } 43 | if let size = size { 44 | bb.append(UInt8(size)) 45 | } 46 | bb.append(payload) 47 | 48 | return bb; 49 | } 50 | 51 | static func parse(payload: Data) throws -> FirstBlePacket { 52 | guard payload.count >= HEADER_SIZE_WITH_MIDDLE_PACKETS else { 53 | throw BluetoothErrors.MessageIOException("Wrong packet size") 54 | } 55 | 56 | if (Int(payload[0]) != 0) { 57 | // most likely we lost the first packet. 58 | throw BluetoothErrors.IncorrectPacketException(payload, 0) 59 | } 60 | let fullFragments = Int(payload[1]) 61 | guard (fullFragments < MAX_FRAGMENTS) else { throw BluetoothErrors.MessageIOException("Received more than $MAX_FRAGMENTS fragments") } 62 | 63 | guard payload.count >= HEADER_SIZE_WITHOUT_MIDDLE_PACKETS else { 64 | throw BluetoothErrors.MessageIOException("Wrong packet size") 65 | } 66 | 67 | if (fullFragments == 0) { 68 | let rest = payload[6] 69 | let end = min(Int(rest) + HEADER_SIZE_WITHOUT_MIDDLE_PACKETS, payload.count) 70 | guard payload.count >= end else { 71 | throw BluetoothErrors.MessageIOException("Wrong packet size") 72 | } 73 | 74 | return FirstBlePacket( 75 | fullFragments: fullFragments, 76 | payload: payload.subdata(in: HEADER_SIZE_WITHOUT_MIDDLE_PACKETS.. end 80 | ) 81 | } 82 | else if (payload.count < MAX_SIZE) { 83 | throw BluetoothErrors.IncorrectPacketException(payload, 0) 84 | } 85 | else { 86 | return FirstBlePacket( 87 | fullFragments: fullFragments, 88 | payload: payload.subdata(in: HEADER_SIZE_WITH_MIDDLE_PACKETS.. Data { 100 | return Data([index]) + payload 101 | } 102 | 103 | static func parse(payload: Data) throws -> MiddleBlePacket { 104 | guard payload.count >= MAX_SIZE else { throw BluetoothErrors.MessageIOException("Wrong packet size") } 105 | return MiddleBlePacket( 106 | index: payload[0], 107 | payload: payload.subdata(in: 1.. Data { 123 | var bb = Data(capacity: MAX_SIZE) 124 | bb.append(index) 125 | bb.append(size) 126 | bb.append(crc32) 127 | bb.append(payload) 128 | bb.append(Data(count: MAX_SIZE - payload.count - LastBlePacket.HEADER_SIZE)) 129 | return bb 130 | } 131 | 132 | static func parse(payload: Data) throws -> LastBlePacket { 133 | guard payload.count >= LastBlePacket.HEADER_SIZE else { throw BluetoothErrors.MessageIOException("Wrong packet size") } 134 | 135 | let rest = payload[1] 136 | let end = min(Int(rest) + LastBlePacket.HEADER_SIZE, payload.count) 137 | 138 | guard payload.count >= end else { throw BluetoothErrors.MessageIOException("Wrong packet size") } 139 | 140 | return LastBlePacket( 141 | index: payload[0], 142 | size: rest, 143 | payload: payload.subdata(in: LastBlePacket.HEADER_SIZE.. end 146 | ) 147 | } 148 | } 149 | 150 | struct LastOptionalPlusOneBlePacket: BlePacket { 151 | static let HEADER_SIZE = 2 152 | let index: UInt8 153 | let payload: Data 154 | let size: UInt8 155 | 156 | func toData() -> Data { 157 | return Data([index, size]) + payload + Data(count: MAX_SIZE - payload.count - 2) 158 | } 159 | 160 | static func parse(payload: Data) throws -> LastOptionalPlusOneBlePacket { 161 | guard payload.count >= 2 else { throw BluetoothErrors.MessageIOException("Wrong packet size") } 162 | let size = payload[1] 163 | guard payload.count >= HEADER_SIZE + Int(size) else { throw BluetoothErrors.MessageIOException("Wrong packet size") } 164 | 165 | return LastOptionalPlusOneBlePacket( 166 | index: payload[0], 167 | payload: payload.subdata(in: HEADER_SIZE.. PodLifeHUDView { 64 | return nib().instantiate(withOwner: nil, options: nil)[0] as! PodLifeHUDView 65 | } 66 | 67 | public func setPodLifeCycle(startTime: Date, lifetime: TimeInterval) { 68 | self.startTime = startTime 69 | self.lifetime = lifetime 70 | updateProgressCircle() 71 | 72 | if timer == nil { 73 | self.timer = Timer.scheduledTimer(withTimeInterval: .seconds(10), repeats: true) { [weak self] _ in 74 | self?.updateProgressCircle() 75 | } 76 | } 77 | } 78 | 79 | override open func stateColorsDidUpdate() { 80 | super.stateColorsDidUpdate() 81 | updateProgressCircle() 82 | updateAlertStateLabel() 83 | } 84 | 85 | private var endColor: UIColor? { 86 | didSet { 87 | let primaryColor = endColor ?? UIColor(red: 198 / 255, green: 199 / 255, blue: 201 / 255, alpha: 1) 88 | self.progressRing.endColor = primaryColor 89 | self.progressRing.startColor = primaryColor 90 | } 91 | } 92 | 93 | private lazy var timeFormatter: DateComponentsFormatter = { 94 | let formatter = DateComponentsFormatter() 95 | 96 | formatter.allowedUnits = [.hour, .minute] 97 | formatter.maximumUnitCount = 1 98 | formatter.unitsStyle = .abbreviated 99 | 100 | return formatter 101 | }() 102 | 103 | private func updateAlertStateLabel() { 104 | var alertLabelAlpha: CGFloat = 1 105 | 106 | if alertState == .fault { 107 | timer = nil 108 | } 109 | 110 | switch alertState { 111 | case .fault: 112 | alertLabel.text = "!" 113 | alertLabel.backgroundColor = stateColors?.error 114 | case .warning: 115 | alertLabel.text = "!" 116 | alertLabel.backgroundColor = stateColors?.warning 117 | case .none: 118 | alertLabelAlpha = 0 119 | } 120 | alertLabel.alpha = alertLabelAlpha 121 | UIView.animate(withDuration: 0.25, animations: { 122 | self.alertLabel.alpha = alertLabelAlpha 123 | }) 124 | } 125 | 126 | private func updateProgressCircle() { 127 | 128 | if let startTime = startTime, let lifetime = lifetime { 129 | let age = -startTime.timeIntervalSinceNow 130 | let progress = Double(age / lifetime) 131 | progressRing.progress = progress 132 | 133 | if progress < 0.75 { 134 | self.endColor = stateColors?.normal 135 | progressRing.shadowOpacity = 0 136 | } else if progress < 1.0 { 137 | self.endColor = stateColors?.warning 138 | progressRing.shadowOpacity = 0.5 139 | } else { 140 | self.endColor = stateColors?.error 141 | progressRing.shadowOpacity = 0.8 142 | } 143 | 144 | let remaining = (lifetime - age) 145 | 146 | // Update time label and caption 147 | if alertState == .fault { 148 | timeLabel.isHidden = true 149 | caption.text = LocalizedString("Fault", comment: "Pod life HUD view label") 150 | } else if remaining > .hours(24) { 151 | timeLabel.isHidden = true 152 | caption.text = LocalizedString("Pod Age", comment: "Label describing pod age view") 153 | } else if remaining > 0 { 154 | let remainingFlooredToHour = remaining > .hours(1) ? remaining - remaining.truncatingRemainder(dividingBy: .hours(1)) : remaining 155 | if let timeString = timeFormatter.string(from: remainingFlooredToHour) { 156 | timeLabel.isHidden = false 157 | timeLabel.text = timeString 158 | } 159 | caption.text = LocalizedString("Remaining", comment: "Label describing time remaining view") 160 | } else { 161 | timeLabel.isHidden = true 162 | caption.text = LocalizedString("Replace Pod", comment: "Label indicating pod replacement necessary") 163 | } 164 | } 165 | } 166 | 167 | func pauseUpdates() { 168 | timer?.invalidate() 169 | timer = nil 170 | } 171 | 172 | override public func awakeFromNib() { 173 | super.awakeFromNib() 174 | } 175 | } 176 | --------------------------------------------------------------------------------