static extern unsafe FT_STATUS FT_GetDeviceInfo(FT_HANDLE ftHandle, ref FT_DEVICE ftDevice, ref UInt32 deviceID, void *SerialNumber, void *Description, UInt32 Flag);
//**************************************************************************
// GetDeviceType
//**************************************************************************
// Intellisense comments
/// <summary>
/// Gets the chip type of the current device.
/// </summary>
/// <returns>FT_STATUS value from FT_GetDeviceInfo in FTD2XX.DLL</returns>
/// <param name="DeviceType">The FTDI chip type of the current device.</param>
public FT_STATUS GetDeviceType(ref FT_DEVICE DeviceType)
{
// 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_GetDeviceInfo != IntPtr.Zero)
{
tFT_GetDeviceInfo FT_GetDeviceInfo = (tFT_GetDeviceInfo)Marshal.GetDelegateForFunctionPointer(pFT_GetDeviceInfo, typeof(tFT_GetDeviceInfo));
UInt32 DeviceID = 0;
byte[] sernum = new byte[16];
byte[] desc = new byte[64];
DeviceType = FT_DEVICE.FT_DEVICE_UNKNOWN;
if (ftHandle != IntPtr.Zero)
{
// Call FT_GetDeviceInfo
ftStatus = FT_GetDeviceInfo(ftHandle, ref DeviceType, ref DeviceID, sernum, desc, IntPtr.Zero);
}
}
else
{
if (pFT_GetDeviceInfo == IntPtr.Zero)
{
MessageBox.Show("Failed to load function FT_GetDeviceInfo.");
}
}
return ftStatus;
}
private Int16 SearchDevice()
{
//cmbDevList.SelectedIndex = iCurrentIndex;
FT_HANDLE ftHandle = new FT_HANDLE();
FT_STATUS ftStatus;
Int16 numDevs;
string MyText = "";
unsafe
{
ftStatus = FT_ListDevices(&numDevs, null, FT_LIST_NUMBER_ONLY);
if (ftStatus == FT_STATUS.FT_OK)
{
MyText += "Number of devices is: " + numDevs.ToString() + "\n";
}
else
{
MyText += "Error";
}
DevInformation = new DevData[numDevs];
//pN->NumDeviceInLine=numDevs;
for (int i = 0; i < numDevs; i++)
{
ftStatus = FT_Open((uint)i, ref ftHandle);
if (ftStatus != FT_STATUS.FT_OK)
{
MyText += "Open failed\n";
continue;
}
byte Tim = 1;
ftStatus = FT_SetLatencyTimer(ftHandle,
Tim);
Tim = 0;
ftStatus = FT_GetLatencyTimer(ftHandle,
ref Tim);
MyText += "Dev " + i.ToString() + " - ";
if (ftStatus == FT_STATUS.FT_OK)
{
MyText += "\tTim=";
MyText += Tim;
}
else
{
MyText += "FAILED\n";
}
string devSerial = "";
string devDescription = "";
byte[] SerialNumber = new byte[16];
byte[] sDescription = new byte[64];
uint devID = 0;
FT_DEVICE devType = FT_DEVICE.FT_DEVICE_UNKNOWN;
fixed(byte *pS = &SerialNumber[0])
fixed(byte *pD = &sDescription[0])
{
ftStatus = FT_GetDeviceInfo(
ftHandle
, ref devType
, ref devID
, pS
, pD
, 0);
}
for (int j = 0; j < SerialNumber.Length; j++)
{
if ((char)SerialNumber[j] == '\0')
{
break;
}
devSerial += (char)SerialNumber[j];
}
for (int j = 0; j < sDescription.Length; j++)
{
if ((char)sDescription[j] == '\0')
{
break;
}
devDescription += (char)sDescription[j];
}
DevData CurDev = new DevData()
{
DevDescription = devDescription,
DevID = devID,
DevInfo = devType,
DevSerial = devSerial
};
DevInformation[i] = CurDev;
FT_Close(ftHandle);
}
}
return(numDevs);
}
static unsafe extern FT_STATUS FT_GetDeviceInfo(FT_HANDLE ftHandle, ref FT_DEVICE ftDevice, ref UInt32 deviceID, void* SerialNumber, void* Description, UInt32 Flag);
public TBalancerGroup(ISettings settings)
{
uint numDevices = 0;
try {
if (FTD2XX.FT_CreateDeviceInfoList(out numDevices) != FT_STATUS.FT_OK)
{
report.AppendLine("Status: FT_CreateDeviceInfoList failed");
return;
}
} catch (DllNotFoundException) { return; }
catch (EntryPointNotFoundException) { return; }
catch (BadImageFormatException) { return; }
for (int i = 0; i < numDevices; i++)
{
byte[] serialNumberBuf = new byte[255];
byte[] descriptionBuf = new byte[255];
FT_HANDLE ftHandle = default;
uint flags = 0;
uint type = 0;
uint id = 0;
uint locId = 0;
if (FTD2XX.FT_GetDeviceInfoDetail(i, ref flags, ref type, ref id, ref locId, serialNumberBuf, descriptionBuf,
out ftHandle) != FT_STATUS.FT_OK)
{
continue;
}
// For whatever reason, the returned strings contain lots of garbage past the first binary 0
string serialNumber = Encoding.UTF8.GetString(serialNumberBuf);
string description = Encoding.UTF8.GetString(descriptionBuf);
TrimToSize(ref serialNumber);
TrimToSize(ref description);
FT_DEVICE deviceType = (FT_DEVICE)type;
report.Append("Device Index: ");
report.AppendLine(i.ToString(CultureInfo.InvariantCulture));
report.Append("Device Type: ");
report.AppendLine(deviceType.ToString());
report.Append("Description: ");
report.AppendLine(description);
report.Append("Serial number: ");
report.AppendLine(serialNumber);
FTD2XX.FT_Close(ftHandle);
ftHandle = default;
// the T-Balancer always uses an FT232BM
if (deviceType != FT_DEVICE.FT_DEVICE_232BM)
{
report.AppendLine("Status: Wrong device type");
continue;
}
FT_HANDLE handle;
FT_STATUS status = FTD2XX.FT_Open(i, out handle);
if (status != FT_STATUS.FT_OK)
{
report.AppendLine("Open Status: " + status);
continue;
}
FTD2XX.FT_SetBaudRate(handle, 19200);
FTD2XX.FT_SetDataCharacteristics(handle, 8, 1, 0);
FTD2XX.FT_SetFlowControl(handle, FT_FLOW_CONTROL.FT_FLOW_RTS_CTS, 0x11,
0x13);
FTD2XX.FT_SetTimeouts(handle, 1000, 1000);
FTD2XX.FT_Purge(handle, FT_PURGE.FT_PURGE_ALL);
status = FTD2XX.Write(handle, new byte[] { 0x38 });
if (status != FT_STATUS.FT_OK)
{
report.AppendLine("Write Status: " + status);
FTD2XX.FT_Close(handle);
continue;
}
bool isValid = false;
byte protocolVersion = 0;
int j = 0;
while (FTD2XX.BytesToRead(handle) == 0 && j < 2)
{
Thread.Sleep(100);
j++;
}
if (FTD2XX.BytesToRead(handle) > 0)
{
if (FTD2XX.ReadByte(handle) == TBalancer.STARTFLAG)
{
while (FTD2XX.BytesToRead(handle) < 284 && j < 5)
{
Thread.Sleep(100);
j++;
}
int length = FTD2XX.BytesToRead(handle);
if (length >= 284)
{
byte[] data = new byte[285];
data[0] = TBalancer.STARTFLAG;
for (int k = 1; k < data.Length; k++)
{
data[k] = FTD2XX.ReadByte(handle);
}
// check protocol version 2X (protocols seen: 2C, 2A, 28)
isValid = (data[274] & 0xF0) == 0x20;
protocolVersion = data[274];
if (!isValid)
{
report.Append("Status: Wrong Protocol Version: 0x");
report.AppendLine(
protocolVersion.ToString("X", CultureInfo.InvariantCulture));
}
}
else
{
report.AppendLine("Status: Wrong Message Length: " + length);
}
}
else
{
report.AppendLine("Status: Wrong Startflag");
}
}
else
{
report.AppendLine("Status: No Response");
}
FTD2XX.FT_Purge(handle, FT_PURGE.FT_PURGE_ALL);
FTD2XX.FT_Close(handle);
if (isValid)
{
report.AppendLine("Status: OK");
hardware.Add(new TBalancer(i, protocolVersion, settings));
}
if (i < numDevices - 1)
{
report.AppendLine();
}
}
}
private static extern FT_STATUS FT_GetDeviceInfoDetail(uint index, out uint flags, out FT_DEVICE ft_device, out uint id, out uint locationId, [Out] byte[] serialNo, [Out] byte[] description, out IntPtr handle);
public static extern FT_STATUS FT_GetDeviceInfoDetail(UInt32 dwIndex, out UInt32 lpdwFlags, out FT_DEVICE lpdwType, out UInt32 lpdwId, out UInt32 lpdwLocId, byte[] lpSerialNumber, byte[] lpDescription, out IntPtr pftHandle);
public static extern FT_STATUS FT_GetDeviceInfo(IntPtr ftHandle, out FT_DEVICE pftType, out UInt32 lpdwId, byte[] pcSerialNumber, byte[] pcDescription, IntPtr pvDummy);
