private static bool Transfer()
{
PrintUsage(true);
activeSerial = new SerialPort(argComPort, 115200, Parity.None, 8, StopBits.Two);
// Required for e.g. SharkLink & Yaroze cable compat. Doesn't interfere with the 3-wire setups
activeSerial.Handshake = Handshake.None;
activeSerial.DtrEnable = true;
activeSerial.RtsEnable = true;
if (fastMode)
{
activeSerial.ReadTimeout = TIMEOUT;
activeSerial.WriteTimeout = TIMEOUT;
try {
activeSerial.Open();
} catch (Exception exception) {
Console.WriteLine("Error opening temporary serial port on " + argComPort + "!");
Console.WriteLine(exception.Message);
return(false);
}
// The bytes "FAST" with no null terminator
activeSerial.Write(BitConverter.GetBytes(0x54534146), 0, 4);
Thread.Sleep(100);
activeSerial.Close();
// We need to find a suitable overlap in frequencies which can be divided
// from the Playstation's clock and from the FTDI/clone, with some wiggle room.
//
// PSX/libs uses whole integer divisions of 2073600 for anything over 115200
// giving us 518400 close to the half-megabyte mark.
//
// Most FTDI/clones seem to operate in 2xinteger divisions of 48mhz
// giving us 510000 or 521000 close to the half-megabyte mark. e.g. (48m/47/2) or (48m/46/2)
//
// 5210000 (and even 518400) is a little fast, but the lower end
// of things (510000 to 518300) seems pretty stable.
//
// note: psx @ 518400, pc @ 510000
//
activeSerial = new SerialPort(argComPort, 510000, Parity.None, 8, StopBits.Two);
// Required for e.g. SharkLink & Yaroze cable compat. Doesn't interfere with the 3-wire setups
activeSerial.Handshake = Handshake.None;
activeSerial.DtrEnable = true;
activeSerial.RtsEnable = true;
}
// Now the main serial port
activeSerial.ReadTimeout = TIMEOUT;
activeSerial.WriteTimeout = TIMEOUT;
try {
activeSerial.Open();
} catch (Exception exception) {
Console.WriteLine("Error opening the serial port on " + argComPort + "!");
Console.WriteLine(exception.Message);
return(false);
}
// just lets us skip a ton of ifs
if (monitorComms && argCommand == CommandMode.NOT_SET)
{
TransferLogic.DoMonitor();
return(true);
}
if (usingCachedComPort)
{
Console.WriteLine("Using port " + argComPort + " from comport.txt\n");
}
// Clear the SIO buffer incase the last program has been spamming
Console.WriteLine("Emptying buffer... ");
while (activeSerial.BytesToRead != 0)
{
Console.Write("" + (char)activeSerial.ReadByte());
}
Console.WriteLine("...done!\n\n");
if (argCommand == CommandMode.SEND_EXE)
{
TransferLogic.Command_SendEXE(argAddr, inFile, CalculateChecksum(inFile, true));
}
if (argCommand == CommandMode.SEND_BIN)
{
TransferLogic.Command_SendBin(argAddr, inFile, CalculateChecksum(inFile));
}
// Unirom 8 mode - requires a response after checking that
// things will fit on the cart.
if (argCommand == CommandMode.SEND_ROM)
{
TransferLogic.Command_SendROM(argAddr, inFile, CalculateChecksum(inFile));
}
if (argCommand == CommandMode.RESET)
{
TransferLogic.WriteChallenge(argCommand.challenge());
}
// Unirom 8.0.4 and up, enables kernel-resident SIO
if (argCommand == CommandMode.DEBUG)
{
// if it returns true, we might enter /m (monitor) mode, etc
if (
!TransferLogic.ChallengeResponse(argCommand)
)
{
return(false);
}
}
if (argCommand == CommandMode.DUMP)
{
lastReadBytes = new byte[argSize];
TransferLogic.Command_DumpBytes(argAddr, argSize, lastReadBytes);
string fileName = "DUMP_" + argAddr.ToString("X8") + "_to_" + argSize.ToString("X8") + ".bin";
if (System.IO.File.Exists(fileName))
{
string newFilename = fileName + GetSpan().TotalSeconds.ToString();
Console.Write("\n\nWARNING: Filename " + fileName + " already exists! - Dumping to " + newFilename + " instead!\n\n");
fileName = newFilename;
}
try{
File.WriteAllBytes(fileName, lastReadBytes);
} catch (Exception e) {
Error("Couldn't write to the output file + " + fileName + " !\nThe error returned was: " + e, false);
return(false);
}
} // DUMP
if (argCommand == CommandMode.PING)
{
TransferLogic.ChallengeResponse(argCommand);
}
if (argCommand == CommandMode.GDB)
{
GDB.Init();
}
if (argCommand == CommandMode.JUMP_JMP)
{
TransferLogic.Command_JumpAddr(argAddr);
}
if (argCommand == CommandMode.JUMP_CALL)
{
TransferLogic.Command_CallAddr(argAddr);
}
if (argCommand == CommandMode.HALT)
{
TransferLogic.ChallengeResponse(argCommand);
}
if (argCommand == CommandMode.CONT)
{
TransferLogic.ChallengeResponse(argCommand);
}
if (argCommand == CommandMode.REGS)
{
TransferLogic.Command_DumpRegs();
}
if (argCommand == CommandMode.SETREG)
{
TransferLogic.Command_SetReg(argRegister, argAddr);
}
if (argCommand == CommandMode.WATCH)
{
TransferLogic.Watch(argAddr, argSize);
return(true);
} // WATCH
if (monitorComms)
{
TransferLogic.DoMonitor();
}
else
{
Console.WriteLine("\n This is where we part ways!");
activeSerial.Close();
}
return(true);
} // void Transfer