ItemViewController.swift

//
//  ItemViewController.swift
//  vizix-ios-project
//
//  Created by Fabiola Ramirez on 16/10/16.
//  Copyright © 2016 Mojix. All rights reserved.
//

import UIKit

class ItemViewController: UIViewController, TSLInventoryCommandTransponderReceivedDelegate, TSLProtocol {

    
    override func viewDidLoad() {
        super.viewDidLoad()
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
       
    }
    
    
    override func viewWillAppear(animated: Bool) {
        print("viewwillAppear")
       
        TSLScannerEngine.sharedInstance.activate(self)
    }
    
    
    
    func transponderReceived(epc: String!, crc: NSNumber!, pc: NSNumber!, rssi: NSNumber!, fastId: NSData!, moreAvailable: Bool) {
        
        print("transponderReceived ItemView Controller")
        print(epc)
        
    }

  

}

TSLScannerEngine.swift

//
//  TSLScannerEngine.swift
//  vizix-ios-project
//
//  Created by Fabiola Ramirez on 10/10/16.
//  Copyright © 2016 Mojix. All rights reserved.
//

import UIKit
import Foundation
import Async
import ExternalAccessory

protocol TSLProtocol  {
    
   func transponderReceived(epc: String!, crc: NSNumber!, pc: NSNumber!, rssi: NSNumber!, fastId: NSData!, moreAvailable: Bool)
    
}

private let _sharedInstance = TSLScannerEngine()

class TSLScannerEngine: NSObject, TSLInventoryCommandTransponderReceivedDelegate {
    
    
    var commander:TSLAsciiCommander?
    var inventoryResponder:TSLInventoryCommand?
    let loggerResponder:TSLLoggerResponder = TSLLoggerResponder()
    var appDelegate = UIApplication.sharedApplication().delegate as! AppDelegate
    //var viewController: UIViewController?
    
    class var sharedInstance: TSLScannerEngine {
        return _sharedInstance
    }
    
    private override init() {
        super.init()
        print("init TSLScannerEngine")
    }
    
    /*func setDelegate(delegate : UIViewController) {
        viewController = delegate
    }*/
 
    
    @objc func transponderReceived(epc: String!, crc: NSNumber!, pc: NSNumber!, rssi: NSNumber!, fastId: NSData!, moreAvailable: Bool) {
        print("epc :\(epc), crc: \(crc), pc: \(pc), rssi: \(rssi) , fastId: \(fastId), moreAvailable: \(moreAvailable)")
        print("transponderReceived")
        

        
    }
    
    func activate(delegate : TSLInventoryCommandTransponderReceivedDelegate){
        
        print("activate")
        if self.commander?.isConnected == true {
            self.commander?.addResponder(loggerResponder)
            self.commander?.addSynchronousResponder();
        }
        self.commander = appDelegate.commander
        //This enables debugging output from reader
        self.commander?.addSynchronousResponder();
        self.inventoryResponder = TSLInventoryCommand()
        self.inventoryResponder?.transponderReceivedDelegate = delegate
        self.inventoryResponder?.captureNonLibraryResponses = true
        self.inventoryResponder?.includeTransponderRSSI = TSL_TriState_YES
        self.commander?.addResponder(self.inventoryResponder)
        if self.commander?.isConnected == true {
            self.commander?.executeCommand(self.inventoryResponder)
        }
        
    }
    
    
    
    
    
    
    
    
    
}