sl@4: using System;
sl@4: using System.Collections.Generic;
sl@4: using System.Linq;
sl@4: using System.Text;
sl@4: using System.Threading.Tasks;
sl@4: using System.Runtime.InteropServices;
sl@4: 
sl@4: namespace iMON
sl@4: {
sl@4:     class Display
sl@4:     {
sl@4:         public string StatusMessage { get; set; }
sl@4:         public DSPType Type { get; set; }
sl@4:         public bool IsLcd() { return Type == DSPType.DSPN_DSP_LCD; }
sl@4:         public bool IsVfd() { return Type == DSPType.DSPN_DSP_VFD; }
sl@4:         public string Name()
sl@4:         {
sl@4:             if (Type == DSPType.DSPN_DSP_VFD)
sl@4:             {
sl@4:                 return "SoundGraph iMON VFD";
sl@4:             }
sl@4:             else if (Type == DSPType.DSPN_DSP_LCD)
sl@4:             {
sl@4:                 return "SoundGraph iMON LCD";
sl@4:             }
sl@4:             else //(DisplayType == DSPType.DSPN_DSP_NONE)
sl@4:             {
sl@4:                 return "No display";
sl@4:             }
sl@4:         }
sl@4: 
sl@4:         /// <summary>
sl@4:         /// Do display initialization.
sl@4:         /// Returns true on success
sl@4:         /// </summary>
sl@4:         public bool DoInit()
sl@4:         {
sl@4:             IDW_INITRESULT initResult = new IDW_INITRESULT();
sl@4:             DSPResult ret = IDW_Init(initResult);
sl@4:             //Check the API call worked
sl@4:             if (ret != DSPResult.DSP_SUCCEEDED)
sl@4:             {
sl@4:                 StatusMessage = DSPResult2String(ret);
sl@4:                 return false;
sl@4:             }
sl@4:             //Check that the initialization was carried out properly
sl@4:             else if (initResult.iInitResult != DSPNInitResult.DSPN_SUCCEEDED)
sl@4:             {
sl@4:                 StatusMessage = DSPNResult2String(initResult.iInitResult);
sl@4:                 return false;
sl@4:             }
sl@4:             //Check we that we have a display
sl@4:             else if (initResult.iDspType == DSPType.DSPN_DSP_NONE)
sl@4:             {
sl@4:                 StatusMessage = "Unsupported device";
sl@4:                 return false;
sl@4:             }
sl@4: 
sl@4:             Type = initResult.iDspType;
sl@4:             return true;
sl@4:         }
sl@4: 
sl@4:         /// <summary>
sl@4:         /// Do display de-initialization.
sl@4:         /// Returns true on success
sl@4:         /// </summary>
sl@4:         public void DoUninit()
sl@4:         {
sl@4:             Type = DSPType.DSPN_DSP_NONE;
sl@4:             IDW_Uninit();
sl@4:         }
sl@4: 
sl@4: 
sl@4:         /// <summary>
sl@4:         /// Provide a string corresponding to the given DSPResult.
sl@4:         /// </summary>
sl@4:         protected string DSPResult2String(DSPResult result)
sl@4:         {
sl@4:             switch (result)
sl@4:             {
sl@4:                 case DSPResult.DSP_SUCCEEDED:
sl@4:                     return "Success";
sl@4:                 case DSPResult.DSP_E_FAIL:
sl@4:                     return "An unknown error occurred";
sl@4:                 case DSPResult.DSP_E_OUTOFMEMORY:
sl@4:                     return "Out of memory";
sl@4:                 case DSPResult.DSP_E_INVALIDARG:
sl@4:                     return "One or more arguments are invalid";
sl@4:                 case DSPResult.DSP_E_NOT_INITED:
sl@4:                     return "API is not initialized";
sl@4:                 case DSPResult.DSP_E_POINTER:
sl@4:                     return "Pointer is invalid";
sl@4:                 default:
sl@4:                     return "An unknown error occurred";
sl@4:             }
sl@4:         }
sl@4: 
sl@4:         /// <summary>
sl@4:         /// Provide a string corresponding to the given DSPNInitResult.
sl@4:         /// </summary>
sl@4:         protected string DSPNResult2String(DSPNInitResult result)
sl@4:         {
sl@4:             switch (result)
sl@4:             {
sl@4:                 case DSPNInitResult.DSPN_SUCCEEDED:
sl@4:                     return "Success";
sl@4:                 case DSPNInitResult.DSPN_ERR_IN_USE:
sl@4:                     return "Display plug-in is already used by another application";
sl@4:                 case DSPNInitResult.DSPN_ERR_HW_DISCONNECTED:
sl@4:                     return "iMON hardware is not connected";
sl@4:                 case DSPNInitResult.DSPN_ERR_NOT_SUPPORTED_HW:
sl@4:                     return "The connected hardware does not support the plug-in mode";
sl@4:                 case DSPNInitResult.DSPN_ERR_PLUGIN_DISABLED:
sl@4:                     return "The plug-in mode option is disabled";
sl@4:                 case DSPNInitResult.DSPN_ERR_IMON_NO_REPLY:
sl@4:                     return "The latest iMON is not installed or iMON is not running";
sl@4:                 default:
sl@4:                     return "An unknown error occurred";
sl@4:             }
sl@4:         }
sl@4: 
sl@4:         //Possible return values from iMON Display APIs
sl@4:         public enum DSPResult : int
sl@4:         {
sl@4:             DSP_SUCCEEDED = 0,
sl@4:             DSP_E_FAIL = 1,
sl@4:             DSP_E_OUTOFMEMORY = 2,
sl@4:             DSP_E_INVALIDARG = 3,
sl@4:             DSP_E_NOT_INITED = 4,
sl@4:             DSP_E_POINTER = 5,
sl@4:             DSP_S_INITED = 0x1000,
sl@4:             DSP_S_NOT_INITED = 0x1001,
sl@4:             DSP_S_IN_PLUGIN_MODE = 0x1002,
sl@4:             DSP_S_NOT_IN_PLUGIN_MODE = 0x1003
sl@4:         }
sl@4: 
sl@4:         //Possible results from display initialization 
sl@4:         public enum DSPNInitResult : int
sl@4:         {
sl@4:             DSPN_SUCCEEDED = 0,
sl@4:             DSPN_ERR_IN_USE = 0x0100,
sl@4:             DSPN_ERR_HW_DISCONNECTED = 0x0101,
sl@4:             DSPN_ERR_NOT_SUPPORTED_HW = 0x0102,
sl@4:             DSPN_ERR_PLUGIN_DISABLED = 0x0103,
sl@4:             DSPN_ERR_IMON_NO_REPLY = 0x0104,
sl@4:             DSPN_ERR_UNKNOWN = 0x0200
sl@4:         }
sl@4: 
sl@4:         //Type of display
sl@4:         public enum DSPType : int
sl@4:         {
sl@4:             DSPN_DSP_NONE = 0,
sl@4:             DSPN_DSP_VFD = 0x01,
sl@4:             DSPN_DSP_LCD = 0x02
sl@4:         };
sl@4: 
sl@4:         //Notification code
sl@4:         public enum DSPNotifyCode : int
sl@4:         {
sl@4:             DSPNM_PLUGIN_SUCCEED = 0,
sl@4:             DSPNM_PLUGIN_FAILED,
sl@4:             DSPNM_IMON_RESTARTED,
sl@4:             DSPNM_IMON_CLOSED,
sl@4:             DSPNM_HW_CONNECTED,
sl@4:             DSPNM_HW_DISCONNECTED,
sl@4:             DSPNM_LCD_TEXT_SCROLL_DONE = 0x1000
sl@4:         };
sl@4: 
sl@4:         [Flags]
sl@4:         public enum OrangeDiskPieces : byte
sl@4:         {
sl@4:             Piece1 = 0x80, // top piece
sl@4:             Piece2 = 0x40, // next piece counter-clockwise
sl@4:             Piece3 = 0x20, // and so on...
sl@4:             Piece4 = 0x10,
sl@4:             Piece5 = 0x8,
sl@4:             Piece6 = 0x4,
sl@4:             Piece7 = 0x2,
sl@4:             Piece8 = 0x1,
sl@4:             None = 0x0
sl@4:         }
sl@4: 
sl@4:         public enum OrangeDiskIcon : byte
sl@4:         {
sl@4:             On = 0x80,
sl@4:             Off = 0x0
sl@4:         }
sl@4: 
sl@4:         [Flags]
sl@4:         public enum MediaTypes : byte
sl@4:         {
sl@4:             Music = 0x80,
sl@4:             Movie = 0x40,
sl@4:             Photo = 0x20,
sl@4:             Cd_Dvd = 0x10,
sl@4:             Tv = 0x8,
sl@4:             WebCasting = 0x4,
sl@4:             News_Weather = 0x2,
sl@4:             None = 0x0
sl@4:         }
sl@4: 
sl@4:         [Flags]
sl@4:         public enum Speakers : byte
sl@4:         {
sl@4:             L = 0x80,
sl@4:             C = 0x40,
sl@4:             R = 0x20,
sl@4:             SL = 0x10,
sl@4:             LFE = 0x8,
sl@4:             SR = 0x4,
sl@4:             RL = 0x2,
sl@4:             SPDIF = 0x1,
sl@4:             None = 0x0
sl@4:         }
sl@4: 
sl@4:         public enum SpeakersRR : byte
sl@4:         {
sl@4:             RR = 0x80,
sl@4:             Off = 0x0
sl@4:         }
sl@4: 
sl@4:         [Flags]
sl@4:         public enum VideoCodecs : byte
sl@4:         {
sl@4:             MPG = 0x80,
sl@4:             DIVX = 0x40,
sl@4:             XVID = 0x20,
sl@4:             WMV = 0x10,
sl@4:             MPG2 = 0x8,
sl@4:             AC3 = 0x4,
sl@4:             DTS = 0x2,
sl@4:             WMA = 0x1,
sl@4:             None = 0x0
sl@4:         }
sl@4: 
sl@4:         [Flags]
sl@4:         public enum AudioCodecs : byte
sl@4:         {
sl@4:             MP3 = 0x80,
sl@4:             OGG = 0x40,
sl@4:             WMA = 0x20,
sl@4:             WAV = 0x10,
sl@4:             None = 0x0
sl@4:         }
sl@4: 
sl@4:         [Flags]
sl@4:         public enum AspectRatios : byte
sl@4:         {
sl@4:             SRC = 0x80,
sl@4:             FIT = 0x40,
sl@4:             TV = 0x20,
sl@4:             HDTV = 0x10,
sl@4:             SCR1 = 0x8,
sl@4:             SCR2 = 0x4,
sl@4:             None = 0x0
sl@4:         }
sl@4: 
sl@4:         [Flags]
sl@4:         public enum EtcIcons : byte
sl@4:         {
sl@4:             Repeat = 0x80,
sl@4:             Shuffle = 0x40,
sl@4:             Alarm = 0x20,
sl@4:             Recording = 0x10,
sl@4:             Volume = 0x8,
sl@4:             Time = 0x4,
sl@4:             None = 0x0
sl@4:         }
sl@4: 
sl@4:         //Provide results from our iMON Display initialization
sl@4:         [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 8)]
sl@4:         protected class IDW_INITRESULT
sl@4:         {
sl@4:             [MarshalAs(UnmanagedType.U4)]
sl@4:             public DSPNotifyCode iNotification;
sl@4:             [MarshalAs(UnmanagedType.U4)]
sl@4:             public DSPNInitResult iInitResult;
sl@4:             [MarshalAs(UnmanagedType.U4)]
sl@4:             public DSPType iDspType;
sl@4:         }
sl@4: 
sl@4:         //Provide result for our status query
sl@4:         [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 8)]
sl@4:         protected class IDW_STATUS
sl@4:         {
sl@4:             [MarshalAs(UnmanagedType.U4)]
sl@4:             public DSPNotifyCode iNotification;
sl@4:         }
sl@4: 
sl@4:         //Declare a struct to pass our EqData
sl@4:         [StructLayout(LayoutKind.Sequential)]
sl@4:         public class DSPEQDATA
sl@4:         {
sl@4:             public DSPEQDATA()
sl@4:             {
sl@4:                 BandData = new int[16];
sl@4:             }
sl@4: 
sl@4:             [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
sl@4:             public readonly int[] BandData;
sl@4:         }
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         protected static extern DSPResult IDW_Init(IDW_INITRESULT initResult);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         protected static extern DSPResult IDW_Uninit();
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         protected static extern DSPResult IDW_IsInitialized();
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         protected static extern DSPResult IDW_GetStatus(IDW_STATUS status);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetVfdText([MarshalAs(UnmanagedType.LPWStr)] string line1, [MarshalAs(UnmanagedType.LPWStr)] string line2);
sl@4: 
sl@4:         //Import function to set VFD EQDATA
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern int IDW_SetVfdEqData(DSPEQDATA EqData);
sl@4: 
sl@4:         //Import function to set LCD EQDATA
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern int IDW_SetLcdEqData(DSPEQDATA EqDataLeft, DSPEQDATA EqDataRight);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetLcdText([MarshalAs(UnmanagedType.LPWStr)] string line);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetLcdAllIcons([MarshalAs(UnmanagedType.Bool)] bool on);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetLcdOrangeIcon(byte iconData1, byte iconData2);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetLcdMediaTypeIcon(byte iconData);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetLcdSpeakerIcon(byte iconData1, byte iconData2);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetLcdVideoCodecIcon(byte iconData);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetLcdAudioCodecIcon(byte iconData);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetLcdAspectRatioIcon(byte iconData);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetLcdEtcIcon(byte iconData);
sl@4: 
sl@4:         [DllImport("iMONDisplayWrapper.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
sl@4:         public static extern DSPResult IDW_SetLcdProgress(int currentPosition, int total);
sl@4: 
sl@4: 
sl@4:     }
sl@4: }