Updated comments

PureSwift · Nov 29, 2017 · 3625692 · 3625692
1 parent 05c4287
commit 3625692
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/Sources/BluetoothLinux/LowEnergyScan.swift b/Sources/BluetoothLinux/LowEnergyScan.swift
@@ -123,6 +123,7 @@ internal func PollScannedDevices(_ deviceDescriptor: CInt,
 
         doRead()
 
+        // try for errors
         while actualBytesRead < 0 {
 
             // ignore these errors
@@ -139,20 +140,22 @@ internal func PollScannedDevices(_ deviceDescriptor: CInt,
             }
         }
 
-        //let headerData = Array(eventBuffer[1 ..< 1 + HCIEventHeader.length])
         let eventData = Array(eventBuffer[(1 + HCIEventHeader.length) ..< actualBytesRead])
 
+        // parse LE meta event
         guard let meta = HCIGeneralEvent.LowEnergyMetaParameter(byteValue: eventData),
             let lowEnergyEvent = LowEnergyEvent(rawValue: meta.subevent)
             else { throw AdapterError.GarbageResponse(Data(eventData)) }
 
-        // only want adv report
+        // only want advertising report
         guard lowEnergyEvent == .advertisingReport
             else { continue }
 
+        // parse LE advertising report
         guard let advertisingReport = LowEnergyEvent.AdvertisingReportEventParameter(byteValue: meta.data)
             else { throw AdapterError.GarbageResponse(Data(meta.data)) }
 
+        // call closure on each device found
         advertisingReport.reports.forEach { foundDevice($0) }
     }
 }