         data.append(UnsafeBufferPointer(start: &transSession, count: transSession.count))
         
         socketCommand?.write(data, withTimeout:100, tag:0)
-        socketCommand?.readData(withTimeout:100, tag:0)
+        socketCommand?.readData(withTimeout:1000, tag:0)
     }
 }
 

        var code:UInt16 = 4098 //ptpip_cmd_code
        let type:UInt32 = 6 // PTPIP_CMD_REQUEST
        let dataPhase:UInt32 = 1//ptpip_cmd_dataphase
        let tranId:UInt32 = 0//ptpip_cmd_transid
        let par1:UInt32 = 1//ptpip_cmd_param1, session id
        
        var request:[UInt32] = [24,type,dataPhase]
        var transSession:[UInt32] = [tranId, par1]
        
        var data = Data(buffer: UnsafeBufferPointer(start: &request, count: request.count))

        }
        else
        {
            let header = data.withUnsafeBytes {
                
                Array(UnsafeBufferPointer<UInt32>(start: $0, count: 2))
            }
            
            let sub:Data = data.subdata(in: 8..<10)
            
            let arrCode = sub.withUnsafeBytes {
                
                Array(UnsafeBufferPointer<UInt16>(start: $0, count: 1))
            }
            
            let sub2:Data = data.subdata(in: 10..<14)
            
            let arrParameter = sub2.withUnsafeBytes {
                
                Array(UnsafeBufferPointer<UInt32>(start: $0, count: 1))
            }
            
            //[size:14, response:7, code: 8193 (ok), transactionId:1]
            
            // par 1 == tranid
            print("header:\(header)")
            print("code: \(arrCode) par:\(arrParameter)")
        }
    }
    
