Merge branch 'release-3.1.6'

Author: Stephen Schiffli

.bumpversion.cfg

@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 3.1.5
+current_version = 3.1.6
 
 [bumpversion:file:Docs/source/conf.py]
 

CHANGELOG.md

@@ -6,13 +6,19 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 ### Added
+- MetaWearScanner.retrieveConnectedMetaWearsAsync function
+
+### Changed
+- Save CBPeripheral's retrieved in willRestoreState
+
+## [3.1.5] - 2018-07-27
+### Added
 - Bluetooth State Restoration on MetaWearScanner.shared
 
 ### Changed
 - CPP submodule accessed with https instead of git protocol
 
 ## [3.1.4] - 2018-07-23
-
 ### Changed
 - Updated Podspec with the swift-version key and latest Bolts-Swift 1.4.0
 - MetaWear-SDK-Cpp v0.16.0

Docs/source/conf.py

@@ -55,9 +55,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '3.1.5'
+version = '3.1.6'
 # The full version, including alpha/beta/rc tags.
-release = '3.1.5'
+release = '3.1.6'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

MetaWear.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name               = 'MetaWear'
-  s.version            = '3.1.5'
+  s.version            = '3.1.6'
   s.license            = { :type => 'Commercial', :text => 'See https://www.mbientlab.com/terms/', :file => 'LICENSE' }
   s.homepage           = 'https://mbientlab.com'
   s.summary            = 'iOS/macOS/tvOS/watchOS API and documentation for the MetaWear platform'

MetaWear/Core/MetaWearScanner.swift

@@ -45,6 +45,7 @@ fileprivate var scannerCount = 0
 public class MetaWearScanner: NSObject {
     public static let shared = MetaWearScanner(restoreIdentifier: "MetaWearScanner.shared")
     public var central: CBCentralManager! = nil
+    /// All devices that have been discovered in one way or another by this central
     public var deviceMap: [CBPeripheral: MetaWear] = [:]
     public var didUpdateState: ((CBCentralManager) -> Void)? {
         didSet {
@@ -96,7 +97,24 @@ public class MetaWearScanner: NSObject {
         }
         return source.task
     }
-
+    
+    /// List of devices that are already connected
+    /// This is useful to check after state was restored
+    public func retrieveConnectedMetaWearsAsync() -> Task<[MetaWear]> {
+        let source = TaskCompletionSource<[MetaWear]>()
+        runWhenPoweredOn {
+            var devices: [MetaWear] = []
+            let peripherals = self.central.retrieveConnectedPeripherals(withServices: [.metaWearService,
+                                                                                       .metaWearDfuService])
+            devices = peripherals.map { peripheral -> MetaWear in
+                let device = self.deviceMap[peripheral] ?? MetaWear(peripheral: peripheral, scanner: self)
+                self.deviceMap[peripheral] = device
+                return device
+            }
+            source.trySet(result: devices)
+        }
+        return source.task
+    }
 
     // Internal details below
     var allowDuplicates: Bool = false
@@ -230,9 +248,19 @@ extension MetaWearScanner: CBCentralManagerDelegate {
     public func centralManager(_ central: CBCentralManager, didDisconnectPeripheral peripheral: CBPeripheral, error: Error?) {
         deviceMap[peripheral]?.didDisconnectPeripheral(error: error)
     }
-    public func centralManager(_ central: CBCentralManager, willRestoreState dict: [String : Any]) {        
+    public func centralManager(_ central: CBCentralManager, willRestoreState dict: [String : Any]) {
         // As an SDK, we arn't sure what operations the user is acutally doing.
         // You should place code in didFinishLaunchingWithOptions to kick off any tasks
         // you expect to take place
+        
+        // An array (an instance of NSArray) of CBPeripheral objects that contains
+        // all of the peripherals that were connected to the central manager
+        // (or had a connection pending) at the time the app was terminated by the system.
+        if let peripherals = dict[CBCentralManagerRestoredStatePeripheralsKey] as? [CBPeripheral] {
+            for peripheral in peripherals {
+                let device = MetaWear(peripheral: peripheral, scanner: self)
+                self.deviceMap[peripheral] = device
+            }
+        }
     }
 }

MetaWear/Podfile.lock

@@ -2,16 +2,16 @@ PODS:
   - Bolts-Swift (1.4.0)
   - iOSDFULibrary (4.1.3):
     - Zip (~> 1.0)
-  - MetaWear/AsyncUtils (3.1.5):
+  - MetaWear/AsyncUtils (3.1.6):
     - MetaWear/Core
-  - MetaWear/Core (3.1.5):
+  - MetaWear/Core (3.1.6):
     - Bolts-Swift (~> 1)
-  - MetaWear/DFU (3.1.5):
+  - MetaWear/DFU (3.1.6):
     - iOSDFULibrary (~> 4)
     - MetaWear/Core
-  - MetaWear/Mocks (3.1.5):
+  - MetaWear/Mocks (3.1.6):
     - MetaWear/Core
-  - MetaWear/UI (3.1.5):
+  - MetaWear/UI (3.1.6):
     - MetaWear/AsyncUtils
     - MetaWear/Core
   - Zip (1.1.0)
@@ -35,7 +35,7 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   Bolts-Swift: 650d72e8017721b1a6bbe43d542c4578f8e5ba6f
   iOSDFULibrary: 921bc0e250ad204a68ffe0cc98a7cb6ac8b13b9f
-  MetaWear: fd23fdf6ec1d6b9f19c58767ef53fa4ca04518f3
+  MetaWear: 547e2a2665921d3c02bad90dd765a89ff29b6b72
   Zip: 8877eede3dda76bcac281225c20e71c25270774c
 
 PODFILE CHECKSUM: 40f51631a47326fabd7a7939d3b4c5c6bc3dd8ba