         
         case tuneRequest
         
-        case undefined
-        
-        case endOfExclusive
-        
     }
     
     case systemCommon(type: SystemCommonType)

    
    internal init(packets: [MIDIPacket]) {
        let packet = UnsafeMutablePointer<MIDIPacketList>.allocate(capacity: 1)
        
        //        let packets = MIDIPacketListInit(UnsafeMutablePointer<MIDIPacketList>)
        

        case activeSensing
        
        case reset
        
    }
    
