/// <summary>
///
/// </summary>
/// <param name="submode">subchannel mode</param>
/// <param name="start"></param>
/// <param name="length"></param>
/// <param name="data">the memory area </param>
/// <param name="timeout">timeout (in seconds)</param>
/// <returns></returns>
public CommandStatus ReadCDDA(SubChannelMode submode, uint start, uint length, IntPtr data, int timeout)
{
if (m_logger != null)
{
string args = start.ToString() + ", " + length.ToString() + ", data";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadCDDA(" + args + ")"));
}
byte mode = (byte)(submode == SubChannelMode.QOnly ? 1 : submode == SubChannelMode.RWMode ? 2 : 0);
int size = 4 * 588 + (submode == SubChannelMode.QOnly ? 16 : submode == SubChannelMode.RWMode ? 96 : 0);
using (Command cmd = new Command(ScsiCommandCode.ReadCDDA, 12, data, (int)length * size, Command.CmdDirection.In, timeout))
{
cmd.SetCDB8(1, 0 << 5); // lun
cmd.SetCDB32(2, start);
cmd.SetCDB24(7, length);
cmd.SetCDB8(10, mode); // Subchannel
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <param name="mainmode">main channel mode</param>
/// <param name="submode">subchannel mode</param>
/// <param name="c2mode">C2 errors report mode</param>
/// <param name="exp">expected sector type</param>
/// <param name="dap"></param>
/// <param name="start"></param>
/// <param name="length"></param>
/// <param name="data">the memory area </param>
/// <param name="timeout">timeout (in seconds)</param>
/// <returns></returns>
public CommandStatus ReadCDAndSubChannel(MainChannelSelection mainmode, SubChannelMode submode, C2ErrorMode c2mode, byte exp, bool dap, uint start, uint length, IntPtr data, int timeout)
{
if (m_logger != null)
{
string args = exp.ToString() + ", " + dap.ToString() + ", " + start.ToString() + ", " + length.ToString() + ", data";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.ReadCD(" + args + ")"));
}
int size = (4 * 588 +
(submode == SubChannelMode.QOnly ? 16 : submode == SubChannelMode.RWMode ? 96 : 0) +
(c2mode == C2ErrorMode.Mode294 ? 294 : c2mode == C2ErrorMode.Mode296 ? 296 : 0)) * (int) length;
byte mode = (byte) (submode == SubChannelMode.QOnly ? 2 : submode == SubChannelMode.RWMode ? 4 : 0);
if (exp != 1 && exp != 2 && exp != 3 && exp != 4 && exp != 5)
return CommandStatus.NotSupported;
using (Command cmd = new Command(ScsiCommandCode.ReadCd, 12, data, size, Command.CmdDirection.In, timeout))
{
byte b = (byte)((exp & 0x07) << 2);
if (dap)
b |= 0x02;
byte byte9 = (byte)(mainmode == MainChannelSelection.UserData ? 0x10 : mainmode == MainChannelSelection.F8h ? 0xF8 : 0);
if (c2mode == C2ErrorMode.Mode294)
byte9 |= 0x02;
else if (c2mode == C2ErrorMode.Mode296)
byte9 |= 0x04;
cmd.SetCDB8(1, b);
cmd.SetCDB32(2, start);
cmd.SetCDB24(6, length);
cmd.SetCDB8(9, byte9); // User data + possibly c2 errors
cmd.SetCDB8(10, mode); // Subchannel
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
