| public GetPinStates ( byte &BitMode ) : FT_STATUS | ||
| BitMode | byte | A bitmap value containing the instantaneous state of the device IO pins |
| return | FT_STATUS | |
public FT_STATUS GetPinStates(ref byte BitMode)
{
// Initialise ftStatus to something other than FT_OK
FT_STATUS ftStatus = FT_STATUS.FT_OTHER_ERROR;
// If the DLL hasn't been loaded, just return here
if (hFTD2XXDLL == IntPtr.Zero)
return ftStatus;
// Check for our required function pointers being set up
if (pFT_GetBitMode != IntPtr.Zero)
{
tFT_GetBitMode FT_GetBitMode = (tFT_GetBitMode)Marshal.GetDelegateForFunctionPointer(pFT_GetBitMode, typeof(tFT_GetBitMode));
if (ftHandle != IntPtr.Zero)
{
// Call FT_GetBitMode
ftStatus = FT_GetBitMode(ftHandle, ref BitMode);
}
}
else
{
if (pFT_GetBitMode == IntPtr.Zero)
{
LogB.Debug("FTD2XX: Failed to load function FT_GetBitMode.");
}
}
return ftStatus;
}
/// <summary>
///
/// </summary>
/// <param name="iSoundChipType"></param>
/// <param name="clock"></param>
/// <returns></returns>
public static VsifClient TryToConnectVSIF(VsifSoundModuleType soundModule, PortId comPort, bool shareOnly)
{
lock (lockObject)
{
foreach (var c in vsifClients)
{
if (c.SoundModuleType == soundModule)
{
if (c.DataWriter.PortName.Equals("COM" + (int)(comPort + 1)))
{
c.ReferencedCount++;
return(c);
}
if (c.DataWriter.PortName.Equals("FTDI_COM" + (int)comPort))
{
c.ReferencedCount++;
return(c);
}
}
}
if (shareOnly)
{
return(null);
}
try
{
switch (soundModule)
{
case VsifSoundModuleType.Generic_UART:
{
SerialPort sp = null;
sp = new SerialPort("COM" + ((int)comPort + 1));
sp.WriteTimeout = 100;
sp.ReadTimeout = 100;
sp.BaudRate = 115200;
sp.BaudRate = 1200 * (int)Settings.Default.BitBangWaitAY8910;
sp.StopBits = StopBits.One;
sp.DataBits = 8;
sp.Handshake = Handshake.None;
sp.Open();
var client = new VsifClient(soundModule, new PortWriterGenericUart(sp));
client.Disposed += Client_Disposed;
vsifClients.Add(client);
return(client);
}
case VsifSoundModuleType.SMS:
{
SerialPort sp = null;
sp = new SerialPort("COM" + ((int)comPort + 1));
sp.WriteTimeout = 100;
sp.ReadTimeout = 100;
sp.BaudRate = 115200;
sp.StopBits = StopBits.Two;
//sp.BaudRate = 57600;
//sp.StopBits = StopBits.One;
sp.Parity = Parity.None;
sp.DataBits = 8;
sp.Handshake = Handshake.None;
sp.Open();
var client = new VsifClient(soundModule, new PortWriterGenesis(sp));
client.Disposed += Client_Disposed;
vsifClients.Add(client);
return(client);
}
case VsifSoundModuleType.Genesis:
{
SerialPort sp = null;
sp = new SerialPort("COM" + ((int)comPort + 1));
sp.WriteTimeout = 500;
sp.ReadTimeout = 500;
//sp.BaudRate = 230400;
sp.BaudRate = 163840;
sp.StopBits = StopBits.One;
sp.Parity = Parity.None;
sp.DataBits = 8;
sp.Open();
var client = new VsifClient(soundModule, new PortWriterGenesis(sp));
client.Disposed += Client_Disposed;
vsifClients.Add(client);
return(client);
}
case VsifSoundModuleType.Genesis_Low:
{
SerialPort sp = null;
sp = new SerialPort("COM" + ((int)comPort + 1));
sp.WriteTimeout = 500;
sp.ReadTimeout = 500;
sp.BaudRate = 115200;
sp.StopBits = StopBits.One;
sp.Parity = Parity.None;
sp.DataBits = 8;
sp.Open();
var client = new VsifClient(soundModule, new PortWriterGenesis(sp));
client.Disposed += Client_Disposed;
vsifClients.Add(client);
return(client);
}
case VsifSoundModuleType.Genesis_FTDI:
{
var ftdi = new FTD2XX_NET.FTDI();
var stat = ftdi.OpenByIndex((uint)comPort);
if (stat == FTDI.FT_STATUS.FT_OK)
{
ftdi.SetBitMode(0x00, FTDI.FT_BIT_MODES.FT_BIT_MODE_RESET);
ftdi.SetBitMode(0xff, FTDI.FT_BIT_MODES.FT_BIT_MODE_ASYNC_BITBANG);
ftdi.SetBaudRate(FTDI_BAUDRATE_GEN * FTDI_BAUDRATE_GEN_MUL);
ftdi.SetTimeouts(500, 500);
ftdi.SetLatency(0);
byte ps = 0;
ftdi.GetPinStates(ref ps);
if ((ps & 0x40) == 0)
{
uint dummy = 0;
ftdi.Write(new byte[] { 0x40 }, 1, ref dummy);
}
var client = new VsifClient(soundModule, new PortWriterGenesis(ftdi, comPort));
//ftdi.Write(new byte[] { (byte)(((0x07 << 1) & 0xe) | 0) }, 1, ref dummy);
//ftdi.Write(new byte[] { (byte)(((0x38 >> 2) & 0xe) | 1) }, 1, ref dummy);
//ftdi.Write(new byte[] { (byte)(((0xC0 >> 5) & 0xe) | 0) }, 1, ref dummy);
//ftdi.Write(new byte[] { 1 }, 1, ref dummy);
client.Disposed += Client_Disposed;
vsifClients.Add(client);
return(client);
}
}
break;
case VsifSoundModuleType.MSX_FTDI:
{
var ftdi = new FTD2XX_NET.FTDI();
var stat = ftdi.OpenByIndex((uint)comPort);
if (stat == FTDI.FT_STATUS.FT_OK)
{
ftdi.SetBitMode(0x00, FTDI.FT_BIT_MODES.FT_BIT_MODE_RESET);
ftdi.SetBitMode(0xff, FTDI.FT_BIT_MODES.FT_BIT_MODE_ASYNC_BITBANG);
ftdi.SetBaudRate(FTDI_BAUDRATE_MSX * FTDI_BAUDRATE_MSX_MUL);
ftdi.SetTimeouts(500, 500);
ftdi.SetLatency(0);
//{
// uint dummy = 0x00;
// ftdi.Write(new byte[] { (byte)dummy }, 1, ref dummy);
//}
var client = new VsifClient(soundModule, new PortWriterMsx(ftdi, comPort));
client.Disposed += Client_Disposed;
vsifClients.Add(client);
return(client);
}
}
break;
case VsifSoundModuleType.NES_FTDI_INDIRECT:
case VsifSoundModuleType.NES_FTDI_DIRECT:
{
var ftdi = new FTD2XX_NET.FTDI();
var stat = ftdi.OpenByIndex((uint)comPort);
if (stat == FTDI.FT_STATUS.FT_OK)
{
ftdi.SetBitMode(0x00, FTDI.FT_BIT_MODES.FT_BIT_MODE_RESET);
ftdi.SetBitMode(0xff, FTDI.FT_BIT_MODES.FT_BIT_MODE_ASYNC_BITBANG);
ftdi.SetBaudRate(FTDI_BAUDRATE_NES * FTDI_BAUDRATE_NES_MUL);
ftdi.SetTimeouts(500, 500);
ftdi.SetLatency(0);
byte ps = 0;
ftdi.GetPinStates(ref ps);
if ((ps & 0x10) == 0x10)
{
uint dummy = 0;
ftdi.Write(new byte[] { 0x00 }, 1, ref dummy);
}
VsifClient client = null;
switch (soundModule)
{
case VsifSoundModuleType.NES_FTDI_DIRECT:
client = new VsifClient(soundModule, new PortWriterNesDirect(ftdi, comPort));
break;
case VsifSoundModuleType.NES_FTDI_INDIRECT:
client = new VsifClient(soundModule, new PortWriterNesIndirect(ftdi, comPort));
break;
}
client.Disposed += Client_Disposed;
vsifClients.Add(client);
return(client);
}
}
break;
}
//sp.Write(new byte[] { (byte)'M', (byte)'a', (byte)'M', (byte)'i' }, 0, 4);
//sp.BaseStream.WriteByte((byte)soundModule);
//Thread.Sleep(100);
//var ret = sp.BaseStream.ReadByte();
//if (ret == 0x0F) //OK
}
catch (Exception ex)
{
if (ex.GetType() == typeof(Exception))
{
throw;
}
else if (ex.GetType() == typeof(SystemException))
{
throw;
}
}
return(null);
}
}
