public static byte[] Encode(ModePage_2A decoded)
{
byte[] pageResponse = new byte[512];
byte length = 16;
pageResponse[0] = 0x2A;
if (decoded.PS)
{
pageResponse[0] += 0x80;
}
if (decoded.AudioPlay)
{
pageResponse[4] += 0x01;
}
if (decoded.Mode2Form1)
{
pageResponse[4] += 0x10;
}
if (decoded.Mode2Form2)
{
pageResponse[4] += 0x20;
}
if (decoded.MultiSession)
{
pageResponse[4] += 0x40;
}
if (decoded.CDDACommand)
{
pageResponse[5] += 0x01;
}
if (decoded.AccurateCDDA)
{
pageResponse[5] += 0x02;
}
if (decoded.Subchannel)
{
pageResponse[5] += 0x04;
}
if (decoded.DeinterlaveSubchannel)
{
pageResponse[5] += 0x08;
}
if (decoded.C2Pointer)
{
pageResponse[5] += 0x10;
}
if (decoded.UPC)
{
pageResponse[5] += 0x20;
}
if (decoded.ISRC)
{
pageResponse[5] += 0x40;
}
decoded.LoadingMechanism = (byte)((pageResponse[6] & 0xE0) >> 5);
if (decoded.Lock)
{
pageResponse[6] += 0x01;
}
if (decoded.LockState)
{
pageResponse[6] += 0x02;
}
if (decoded.PreventJumper)
{
pageResponse[6] += 0x04;
}
if (decoded.Eject)
{
pageResponse[6] += 0x08;
}
if (decoded.SeparateChannelVolume)
{
pageResponse[7] += 0x01;
}
if (decoded.SeparateChannelMute)
{
pageResponse[7] += 0x02;
}
decoded.MaximumSpeed = (ushort)((pageResponse[8] << 8) + pageResponse[9]);
decoded.SupportedVolumeLevels = (ushort)((pageResponse[10] << 8) + pageResponse[11]);
decoded.BufferSize = (ushort)((pageResponse[12] << 8) + pageResponse[13]);
decoded.CurrentSpeed = (ushort)((pageResponse[14] << 8) + pageResponse[15]);
if (decoded.Method2 ||
decoded.ReadCDRW ||
decoded.ReadCDR ||
decoded.WriteCDRW ||
decoded.WriteCDR ||
decoded.Composite ||
decoded.DigitalPort1 ||
decoded.DigitalPort2 ||
decoded.SDP ||
decoded.SSS ||
decoded.Length > 0 ||
decoded.LSBF ||
decoded.RCK ||
decoded.BCK)
{
length = 20;
if (decoded.Method2)
{
pageResponse[2] += 0x04;
}
if (decoded.ReadCDRW)
{
pageResponse[2] += 0x02;
}
if (decoded.ReadCDR)
{
pageResponse[2] += 0x01;
}
if (decoded.WriteCDRW)
{
pageResponse[3] += 0x02;
}
if (decoded.WriteCDR)
{
pageResponse[3] += 0x01;
}
if (decoded.Composite)
{
pageResponse[4] += 0x02;
}
if (decoded.DigitalPort1)
{
pageResponse[4] += 0x04;
}
if (decoded.DigitalPort2)
{
pageResponse[4] += 0x08;
}
if (decoded.SDP)
{
pageResponse[7] += 0x04;
}
if (decoded.SSS)
{
pageResponse[7] += 0x08;
}
pageResponse[17] = (byte)(decoded.Length << 4);
if (decoded.LSBF)
{
pageResponse[17] += 0x08;
}
if (decoded.RCK)
{
pageResponse[17] += 0x04;
}
if (decoded.BCK)
{
pageResponse[17] += 0x02;
}
}
if (decoded.TestWrite ||
decoded.MaxWriteSpeed > 0 ||
decoded.CurrentWriteSpeed > 0 ||
decoded.ReadBarcode)
{
length = 22;
if (decoded.TestWrite)
{
pageResponse[3] += 0x04;
}
pageResponse[18] = (byte)((decoded.MaxWriteSpeed & 0xFF00) >> 8);
pageResponse[19] = (byte)(decoded.MaxWriteSpeed & 0xFF);
pageResponse[20] = (byte)((decoded.CurrentWriteSpeed & 0xFF00) >> 8);
pageResponse[21] = (byte)(decoded.CurrentWriteSpeed & 0xFF);
if (decoded.ReadBarcode)
{
pageResponse[5] += 0x80;
}
}
if (decoded.ReadDVDRAM ||
decoded.ReadDVDR ||
decoded.ReadDVDROM ||
decoded.WriteDVDRAM ||
decoded.WriteDVDR ||
decoded.LeadInPW ||
decoded.SCC ||
decoded.CMRSupported > 0)
{
length = 26;
if (decoded.ReadDVDRAM)
{
pageResponse[2] += 0x20;
}
if (decoded.ReadDVDR)
{
pageResponse[2] += 0x10;
}
if (decoded.ReadDVDROM)
{
pageResponse[2] += 0x08;
}
if (decoded.WriteDVDRAM)
{
pageResponse[3] += 0x20;
}
if (decoded.WriteDVDR)
{
pageResponse[3] += 0x10;
}
if (decoded.LeadInPW)
{
pageResponse[3] += 0x20;
}
if (decoded.SCC)
{
pageResponse[3] += 0x10;
}
pageResponse[22] = (byte)((decoded.CMRSupported & 0xFF00) >> 8);
pageResponse[23] = (byte)(decoded.CMRSupported & 0xFF);
}
if (decoded.BUF ||
decoded.RotationControlSelected > 0 ||
decoded.CurrentWriteSpeedSelected > 0)
{
length = 32;
if (decoded.BUF)
{
pageResponse[4] += 0x80;
}
pageResponse[27] += decoded.RotationControlSelected;
pageResponse[28] = (byte)((decoded.CurrentWriteSpeedSelected & 0xFF00) >> 8);
pageResponse[29] = (byte)(decoded.CurrentWriteSpeedSelected & 0xFF);
}
if (decoded.WriteSpeedPerformanceDescriptors != null)
{
length = 32;
for (int i = 0; i < decoded.WriteSpeedPerformanceDescriptors.Length; i++)
{
length += 4;
pageResponse[1 + 32 + (i * 4)] = decoded.WriteSpeedPerformanceDescriptors[i].RotationControl;
pageResponse[2 + 32 + (i * 4)] =
(byte)((decoded.WriteSpeedPerformanceDescriptors[i].WriteSpeed & 0xFF00) >> 8);
pageResponse[3 + 32 + (i * 4)] =
(byte)(decoded.WriteSpeedPerformanceDescriptors[i].WriteSpeed & 0xFF);
}
}
pageResponse[1] = (byte)(length - 2);
byte[] buf = new byte[length];
Array.Copy(pageResponse, 0, buf, 0, length);
return(buf);
}
public static ModePage_2A Decode(byte[] pageResponse)
{
if ((pageResponse?[0] &0x40) == 0x40)
{
return(null);
}
if ((pageResponse?[0] &0x3F) != 0x2A)
{
return(null);
}
if (pageResponse[1] + 2 != pageResponse.Length)
{
return(null);
}
if (pageResponse.Length < 16)
{
return(null);
}
var decoded = new ModePage_2A();
decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
decoded.AudioPlay |= (pageResponse[4] & 0x01) == 0x01;
decoded.Mode2Form1 |= (pageResponse[4] & 0x10) == 0x10;
decoded.Mode2Form2 |= (pageResponse[4] & 0x20) == 0x20;
decoded.MultiSession |= (pageResponse[4] & 0x40) == 0x40;
decoded.CDDACommand |= (pageResponse[5] & 0x01) == 0x01;
decoded.AccurateCDDA |= (pageResponse[5] & 0x02) == 0x02;
decoded.Subchannel |= (pageResponse[5] & 0x04) == 0x04;
decoded.DeinterlaveSubchannel |= (pageResponse[5] & 0x08) == 0x08;
decoded.C2Pointer |= (pageResponse[5] & 0x10) == 0x10;
decoded.UPC |= (pageResponse[5] & 0x20) == 0x20;
decoded.ISRC |= (pageResponse[5] & 0x40) == 0x40;
decoded.LoadingMechanism = (byte)((pageResponse[6] & 0xE0) >> 5);
decoded.Lock |= (pageResponse[6] & 0x01) == 0x01;
decoded.LockState |= (pageResponse[6] & 0x02) == 0x02;
decoded.PreventJumper |= (pageResponse[6] & 0x04) == 0x04;
decoded.Eject |= (pageResponse[6] & 0x08) == 0x08;
decoded.SeparateChannelVolume |= (pageResponse[7] & 0x01) == 0x01;
decoded.SeparateChannelMute |= (pageResponse[7] & 0x02) == 0x02;
decoded.MaximumSpeed = (ushort)((pageResponse[8] << 8) + pageResponse[9]);
decoded.SupportedVolumeLevels = (ushort)((pageResponse[10] << 8) + pageResponse[11]);
decoded.BufferSize = (ushort)((pageResponse[12] << 8) + pageResponse[13]);
decoded.CurrentSpeed = (ushort)((pageResponse[14] << 8) + pageResponse[15]);
if (pageResponse.Length < 20)
{
return(decoded);
}
decoded.Method2 |= (pageResponse[2] & 0x04) == 0x04;
decoded.ReadCDRW |= (pageResponse[2] & 0x02) == 0x02;
decoded.ReadCDR |= (pageResponse[2] & 0x01) == 0x01;
decoded.WriteCDRW |= (pageResponse[3] & 0x02) == 0x02;
decoded.WriteCDR |= (pageResponse[3] & 0x01) == 0x01;
decoded.Composite |= (pageResponse[4] & 0x02) == 0x02;
decoded.DigitalPort1 |= (pageResponse[4] & 0x04) == 0x04;
decoded.DigitalPort2 |= (pageResponse[4] & 0x08) == 0x08;
decoded.SDP |= (pageResponse[7] & 0x04) == 0x04;
decoded.SSS |= (pageResponse[7] & 0x08) == 0x08;
decoded.Length = (byte)((pageResponse[17] & 0x30) >> 4);
decoded.LSBF |= (pageResponse[17] & 0x08) == 0x08;
decoded.RCK |= (pageResponse[17] & 0x04) == 0x04;
decoded.BCK |= (pageResponse[17] & 0x02) == 0x02;
if (pageResponse.Length < 22)
{
return(decoded);
}
decoded.TestWrite |= (pageResponse[3] & 0x04) == 0x04;
decoded.MaxWriteSpeed = (ushort)((pageResponse[18] << 8) + pageResponse[19]);
decoded.CurrentWriteSpeed = (ushort)((pageResponse[20] << 8) + pageResponse[21]);
decoded.ReadBarcode |= (pageResponse[5] & 0x80) == 0x80;
if (pageResponse.Length < 26)
{
return(decoded);
}
decoded.ReadDVDRAM |= (pageResponse[2] & 0x20) == 0x20;
decoded.ReadDVDR |= (pageResponse[2] & 0x10) == 0x10;
decoded.ReadDVDROM |= (pageResponse[2] & 0x08) == 0x08;
decoded.WriteDVDRAM |= (pageResponse[3] & 0x20) == 0x20;
decoded.WriteDVDR |= (pageResponse[3] & 0x10) == 0x10;
decoded.LeadInPW |= (pageResponse[3] & 0x20) == 0x20;
decoded.SCC |= (pageResponse[3] & 0x10) == 0x10;
decoded.CMRSupported = (ushort)((pageResponse[22] << 8) + pageResponse[23]);
if (pageResponse.Length < 32)
{
return(decoded);
}
decoded.BUF |= (pageResponse[4] & 0x80) == 0x80;
decoded.RotationControlSelected = (byte)(pageResponse[27] & 0x03);
decoded.CurrentWriteSpeedSelected = (ushort)((pageResponse[28] << 8) + pageResponse[29]);
ushort descriptors = (ushort)((pageResponse.Length - 32) / 4);
decoded.WriteSpeedPerformanceDescriptors = new ModePage_2A_WriteDescriptor[descriptors];
for (int i = 0; i < descriptors; i++)
{
decoded.WriteSpeedPerformanceDescriptors[i] = new ModePage_2A_WriteDescriptor
{
RotationControl = (byte)(pageResponse[1 + 32 + (i * 4)] & 0x07),
WriteSpeed = (ushort)((pageResponse[2 + 32 + (i * 4)] << 8) + pageResponse[3 + 32 + (i * 4)])
}
}
;
return(decoded);
}
