Public Interface I_FMRadioHAL
        Property AFLevel() As System.Int16 '0=switches AF Function OFF, if Fieldstrength falls under this value Tuner searches for a better AF
        Sub AutoTune(ByVal Direction As enDirections, ByVal StopLevel As System.Int16)  'commands the tuner to move to the next station
        Property Mono() As System.Boolean 'switches Stereodecoder off - forces Signal to Mono 
        Property Mute() As System.Boolean
        Property Freq() As Frequency
        Sub FreqUP() 'Call if you want to move Frequency one Step up
        Sub FreqDown() 'Call if you want to move Frequency one Step down
        Property Band() As enBand 'Get/Set current Tuner Band
        Property Volume() As System.Int16 'min.Volume=0, max.Volume=32767
        Sub VolumeUP()
        Sub VolumeDown()
        Sub Connect() 'Establish connection (via RS232, Parallelport, USB, ...) to Radio
        Sub DisConnect() 'free resources,...
        Function Supported_Functions() As stSupFunc 'Check this value if you want to know which functions are supported by the current tuner
        Function GetLastError() As stError 'Reports the last occured error
        Function Info() As String 'Reports the Assembly-Attribute "Title" to COM Clients
        Function AnyFunction(ByRef Anything As Object) As Object 'this Function/Sub is for expandibility (if you need a special Event for your frontend which your radio supports!)'this Event is for expandibility (if you need a special Function for your frontend which your radio supports!)
    End Interface

    Public Interface I_FMRadioHAL_Events
        Sub RDSRAWMessageavailable(ByRef RDSRAWMessage As stRDSRAWMessage) 'This Event is fired if the radio has received a new RDS Message and sends it to the PC
        Sub AFNewFreq(ByVal NewFreq As System.Int16) ' It is a good idea to implement a function which selects another station if the field strength of the current station falls under a certain level (this should be done very quickly and so it should be done by the µC), The new tuned Frequency is passed
        Sub FieldStrength(ByVal Level As System.Int16) 'new value of current fieldstrength is available (Level ranges from minimum=0 to maximum=32767)
        Sub Stereo(ByVal StereoPilotDetected As System.Boolean) 'is fired if the Reception changes from Stereo to Mono and back
        Sub AutoTuneFinished(ByVal Freq As System.Boolean) 'is fired if the AutoTune is finished

        Sub AnyEvent(ByRef Anything As Object) 'this Event is for expandibility (if you need a special Event for your frontend which your radio supports!)

    End Interface

    <StructLayout(LayoutKind.Sequential)> _
        Public Structure stRDSRAWMessage
        <FieldOffset(0)> Public Block0 As System.Int16
        <FieldOffset(2)> Public Block1 As System.Int16
        <FieldOffset(4)> Public Block2 As System.Int16
        <FieldOffset(6)> Public Block3 As System.Int16
        Public TunedFreq As Frequency
        Public Anything As Object
    End Structure

    Public Interface I_Interpreter
        Property BlocksCounter() As Long()
        Property CurrentProgram() As RDSInterpreter.ProgramIdentifier
        Sub decode(ByRef rdsGroupData As FMRadio.FMRadioHAL.stRDSRAWMessage)
        ReadOnly Property EEONList() As ProgramListDictionary
    End Interface 'I_Interpreter   <System.Runtime.InteropServices.InterfaceTypeAttribute(Runtime.InteropServices.ComInterfaceType.InterfaceIsIDispatch)> _
    Public Interface I_Interpreter_Events
        Sub ProgramTypeNameChange(ByVal oldText As Char())
        Sub RadioTextChange(ByVal oldText As Char())
        'Sub AnyEvent(ByRef Anything As Object) 'this Event is for expandibility (if you need a special Event for your frontend which your radio supports!)
    End Interface

    Public Interface I_ProgramIdentifier
        Property PiCode() As Integer
        Property languageCode() As enLanguage
        Property CountryCode() As Integer
        Property AreaCoverage() As enCoverageAreaCode
        Property ReferenceNumber() As Integer
        Property GroupType() As engroupTypeMap
        Property GroupVersion() As enGroupVersionMap
        Property TrafficProgram() As System.Boolean
        Property ProgramType() As enPTY
        Property TrafficAnnouncement() As System.Boolean
        ReadOnly Property EnhancedOtherNetwork() As Boolean
        Property MusicSpeechSwitch() As enMS
        Property ProgramServiceSegmentAddress() As Integer
        Property DecoderIdentification() As enDICode
        Property TuningFrequency() As Integer
        ReadOnly Property AlternativeFrequencyLists() As AFListDictionary
        Property ProgramServiceName() As Char()
        Property RadioTextABFlag() As System.Boolean
        Property TextSegmentAddressCode() As Integer
        Property RadioText() As Char()
        Property ModifiedJulianDayCode() As Integer
        Property RDSDateTime() As DateTime
        Property ExtendedCounTryCode() As enCountryCodeMapExt
        Property LinkageActuator() As System.Boolean
        Property ProgramTypeNameABFlag() As System.Boolean
        Property ProgramTypeNameSegmentAddress() As Integer
        Property ProgramTypeName() As Char()
        REM What the hell ? Did I smoke crack ?
        REM This is the only needed feature for a future expandibilty - which is the dual-tuner
        REM Second tuner can add more PI's than currently transmitted by EON and also the fieldstrength of the other PI's (!)
        ReadOnly Property FieldStrength() As System.Int16
        Property TMCGroup() As engroupTypeMap
    End Interface

    Public Enum enLanguage
        Unkown = 0
...
        German = &H8
        English = &H9
        Spanish = &HA
        Esperanto = &HB
...
        Uzbek = &H47
        Vietnamese = &H46
        Zulu = &H45
        Reserved = &H44
        Reserved67 = &H43
        Reserved66 = &H42
        Reserved65 = &H41
        Background = &H40
    End Enum


    Public Enum enMS
        Music = 1
        Speech = 0
    End Enum

    Public Enum enPTY
        NoPTY = 0
        News = 1
        CurrentAffairs = 2
        Information = 3
        Sport = 4
        Education = 5
        Drama = 6
        Culture = 7
        Science = 8
        Varied = 9
        PopMusic = 10
        RockMusic = 11
        EasyListeningMusic = 12
        LightClassical = 13
        SeriousClassical = 14
        OtherMusic = 15
        Weather = 16
        Finance = 17
        ChildrensPrograms = 18
        SocialAffairs = 19
        Religion = 20
        PhoneIn = 21
        Travel = 22
        Leisure = 23
        Jazz = 24
        Country = 25
        NationalMusic = 26
        Oldies = 27
        Folk = 28
        Documentary = 29
        AlarmTest = 30
        Alarm = 31
        'RBDS extras starts here
        Talk
        Top40
        Soft
        ClassicRock
        AdultHits
        SoftRock
        Nostalgica
        Classic
        RhytmBlues
        SoftRhytmBlues
        ForeignLanguage
        ReligiousMusic
        ReligiousTalk
        Personality
        Public_
        College
        Unassigned
    End Enum
    Public Enum enCountryCodeMapExt As Integer
        Germany = &HE01
...
        USA1 = &HA01
        USA2 = &HA02
        USA3 = &HA03
        USA4 = &HA04
        USA5 = &HA05
        USA6 = &HA06
        USA7 = &HA07
        USA8 = &HA08
        USA9 = &HA09
        USA10 = &HA0A
        USA11 = &HA0B
        USA12 = &HA0D
        USA13 = &HA0E
...
        UAE = &HF2D
        Vietnam = &HF27
        Vanuatu = &HF2F
        Yemen = &HF3B
    End Enum

    Public Enum enCoverageAreaCode
        Local = 0
        International = 1
        National = 2
        SupraRregional = 3
        Regional1 = 4
        Regional2 = 5
        Regional3 = 6
        Regional4 = 7
        Regional5 = 8
        Regional6 = 9
        Regional7 = 10
        Regional8 = 11
        Regional9 = 12
        Regional10 = 13
        Regional11 = 14
        Regional12 = 15
    End Enum

    Public Enum enAFMethod
        A = 0
        B = 1
        UNKNOWN = 2
    End Enum

    Public Enum enDICode
        Mono_NotArtificialHead_NotCompressed_StaticPTY = 0
        Stereo_NotArtificialHead_NotCompressed_StaticPTY = 1
        Mono_ArtificialHead_NotCompressed_StaticPTY = 2
        Stereo_ArtificialHead_NotCompressed_StaticPTY = 3
        Mono_NotArtificialHead_Compressed_StaticPTY = 4
        Stereo_NotArtificialHead_Compressed_StaticPTY = 5
        Mono_ArtificialHead_Compressed_StaticPTY = 6
        Stereo_ArtificialHead_Compressed_StaticPTY = 7
        Mono_NotArtificialHead_NotCompressed_DynamicPTY = 8
        Stereo_NotArtificialHead_NotCompressed_DynamicPTY = 9
        Mono_ArtificialHead_NotCompressed_DynamicPTY = 10
        Stereo_ArtificialHead_NotCompressed_DynamicPTY = 11
        Mono_NotArtificialHead_Compressed_DynamicPTY = 12
        Stereo_NotArtificialHead_Compressed_DynamicPTY = 13
        Mono_ArtificialHead_Compressed_DynamicPTY = 14
        Stereo_ArtificialHead_Compressed_DynamicPTY = 15
    End Enum
    Public Enum enGroupVersionMap
        A = 0
        B = 1
    End Enum


    Public Enum enBlockType
        A = 0
        B = 1
        C = 2
        D = 3
        C2 = 4
        E = 5
        iE = 6
        ib = 7
    End Enum
    Public Enum engroupTypeMap
        group0A = 0
        group0B = 1
        group1A = 2
        group1B = 3
        group2A = 4
        group2B = 5
        group3A = 6
        group3B = 7
        group4A = 8
        group4B = 9
        group5A = 10
        group5B = 11
        group6A = 12
        group6B = 13
        group7A = 14
        group7B = 15
        group8A = 16
        group8B = 17
        group9A = 18
        group9B = 19
        group10A = 20
        group10B = 21
        group11A = 22
        group11B = 23
        group12A = 24
        group12B = 25
        group13A = 26
        group13B = 27
        group14A = 28
        group14B = 29
        group15A = 30
        group15B = 31
        NotSet = 32 'needed for TMCGroup
    End Enum