public static FT232HDetectorInformation Detect(string serialNumber = null)
{
var r = new FT232HDetectorInformation();
var ft232h = new FTD2XX_NET.FTDI();
UInt32 count = 0;
Ok(ft232h.GetNumberOfDevices(ref count));
if (count == 0)
{
Console.WriteLine("No FT232H device detected");
return(r);
}
FT_DEVICE_INFO_NODE ft232hDevice = null;
var devices = new FT_DEVICE_INFO_NODE[count];
ft232h.GetDeviceList(devices);
if (serialNumber == null)
{
ft232hDevice = devices[0];
}
else
{
ft232hDevice = devices.ToList().FirstOrDefault(d => d.SerialNumber == serialNumber);
}
r.SerialNumber = ft232hDevice.SerialNumber;
r.DeviceType = ft232hDevice.Type;
r.Description = ft232hDevice.Description;
if (ft232hDevice == null)
{
return(FT232HDetectorInformation.Failed);
}
Ok(ft232h.OpenBySerialNumber(ft232hDevice.SerialNumber));
var ee232h = new FT232H_EEPROM_STRUCTURE();
var rr = ft232h.ReadFT232HEEPROM(ee232h);
if (rr == FT_STATUS.FT_OK)
{
r.Description = ee232h.Description;
r.Properties = GetDictionary(ee232h);
}
ft232h.Close();
r.Ok = true;
return(r);
}
private static Dictionary <string, object> GetDictionary(FT232H_EEPROM_STRUCTURE ee232h)
{
var result = new Dictionary <string, object>();
Type t = typeof(FT232H_EEPROM_STRUCTURE);
foreach (var field in t.GetFields())
{
string name = field.Name;
var value = field.GetValue(ee232h);
result.Add(name, value);
}
return(result);
}
//**************************************************************************
// WriteFT232HEEPROM
//**************************************************************************
// Intellisense comments
/// <summary>
/// Writes the specified values to the EEPROM of an FT232H device.
/// Calls FT_EE_Program in FTD2XX DLL
/// </summary>
/// <returns>FT_STATUS value from FT_EE_Program in FTD2XX DLL</returns>
/// <param name="ee232h">The EEPROM settings to be written to the device</param>
/// <remarks>If the strings are too long, they will be truncated to their maximum permitted lengths</remarks>
/// <exception cref="FT_EXCEPTION">Thrown when the current device does not match the type required by this method.</exception>
public FT_STATUS WriteFT232HEEPROM(FT232H_EEPROM_STRUCTURE ee232h)
{
// Initialise ftStatus to something other than FT_OK
FT_STATUS ftStatus = FT_STATUS.FT_OTHER_ERROR;
FT_ERROR ftErrorCondition = FT_ERROR.FT_NO_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_EE_Program != IntPtr.Zero)
{
tFT_EE_Program FT_EE_Program = (tFT_EE_Program)Marshal.GetDelegateForFunctionPointer(pFT_EE_Program, typeof(tFT_EE_Program));
if (ftHandle != IntPtr.Zero)
{
FT_DEVICE DeviceType = FT_DEVICE.FT_DEVICE_UNKNOWN;
// Check that it is an FT232H that we are trying to write
GetDeviceType(ref DeviceType);
if (DeviceType != FT_DEVICE.FT_DEVICE_232H)
{
// If it is not, throw an exception
ftErrorCondition = FT_ERROR.FT_INCORRECT_DEVICE;
ErrorHandler(ftStatus, ftErrorCondition);
}
// Check for VID and PID of 0x0000
if ((ee232h.VendorID == 0x0000) | (ee232h.ProductID == 0x0000))
{
// Do not allow users to program the device with VID or PID of 0x0000
return FT_STATUS.FT_INVALID_PARAMETER;
}
FT_PROGRAM_DATA eedata = new FT_PROGRAM_DATA();
// Set up structure headers
eedata.Signature1 = 0x00000000;
eedata.Signature2 = 0xFFFFFFFF;
eedata.Version = 5;
// Allocate space from unmanaged heap
eedata.Manufacturer = Marshal.AllocHGlobal(32);
eedata.ManufacturerID = Marshal.AllocHGlobal(16);
eedata.Description = Marshal.AllocHGlobal(64);
eedata.SerialNumber = Marshal.AllocHGlobal(16);
// Check lengths of strings to make sure that they are within our limits
// If not, trim them to make them our maximum length
if (ee232h.Manufacturer.Length > 32)
ee232h.Manufacturer = ee232h.Manufacturer.Substring(0, 32);
if (ee232h.ManufacturerID.Length > 16)
ee232h.ManufacturerID = ee232h.ManufacturerID.Substring(0, 16);
if (ee232h.Description.Length > 64)
ee232h.Description = ee232h.Description.Substring(0, 64);
if (ee232h.SerialNumber.Length > 16)
ee232h.SerialNumber = ee232h.SerialNumber.Substring(0, 16);
// Set string values
eedata.Manufacturer = Marshal.StringToHGlobalAnsi(ee232h.Manufacturer);
eedata.ManufacturerID = Marshal.StringToHGlobalAnsi(ee232h.ManufacturerID);
eedata.Description = Marshal.StringToHGlobalAnsi(ee232h.Description);
eedata.SerialNumber = Marshal.StringToHGlobalAnsi(ee232h.SerialNumber);
// Map non-string elements to structure
// Standard elements
eedata.VendorID = ee232h.VendorID;
eedata.ProductID = ee232h.ProductID;
eedata.MaxPower = ee232h.MaxPower;
eedata.SelfPowered = Convert.ToUInt16(ee232h.SelfPowered);
eedata.RemoteWakeup = Convert.ToUInt16(ee232h.RemoteWakeup);
// 232H specific fields
eedata.PullDownEnableH = Convert.ToByte(ee232h.PullDownEnable);
eedata.SerNumEnableH = Convert.ToByte(ee232h.SerNumEnable);
eedata.ACSlowSlewH = Convert.ToByte(ee232h.ACSlowSlew);
eedata.ACSchmittInputH = Convert.ToByte(ee232h.ACSchmittInput);
eedata.ACDriveCurrentH = Convert.ToByte(ee232h.ACDriveCurrent);
eedata.ADSlowSlewH = Convert.ToByte(ee232h.ADSlowSlew);
eedata.ADSchmittInputH = Convert.ToByte(ee232h.ADSchmittInput);
eedata.ADDriveCurrentH = Convert.ToByte(ee232h.ADDriveCurrent);
eedata.Cbus0H = Convert.ToByte(ee232h.Cbus0);
eedata.Cbus1H = Convert.ToByte(ee232h.Cbus1);
eedata.Cbus2H = Convert.ToByte(ee232h.Cbus2);
eedata.Cbus3H = Convert.ToByte(ee232h.Cbus3);
eedata.Cbus4H = Convert.ToByte(ee232h.Cbus4);
eedata.Cbus5H = Convert.ToByte(ee232h.Cbus5);
eedata.Cbus6H = Convert.ToByte(ee232h.Cbus6);
eedata.Cbus7H = Convert.ToByte(ee232h.Cbus7);
eedata.Cbus8H = Convert.ToByte(ee232h.Cbus8);
eedata.Cbus9H = Convert.ToByte(ee232h.Cbus9);
eedata.IsFifoH = Convert.ToByte(ee232h.IsFifo);
eedata.IsFifoTarH = Convert.ToByte(ee232h.IsFifoTar);
eedata.IsFastSerH = Convert.ToByte(ee232h.IsFastSer);
eedata.IsFT1248H = Convert.ToByte(ee232h.IsFT1248);
eedata.FT1248CpolH = Convert.ToByte(ee232h.FT1248Cpol);
eedata.FT1248LsbH = Convert.ToByte(ee232h.FT1248Lsb);
eedata.FT1248FlowControlH = Convert.ToByte(ee232h.FT1248FlowControl);
eedata.IsVCPH = Convert.ToByte(ee232h.IsVCP);
eedata.PowerSaveEnableH = Convert.ToByte(ee232h.PowerSaveEnable);
// Call FT_EE_Program
ftStatus = FT_EE_Program(ftHandle, eedata);
// Free unmanaged buffers
Marshal.FreeHGlobal(eedata.Manufacturer);
Marshal.FreeHGlobal(eedata.ManufacturerID);
Marshal.FreeHGlobal(eedata.Description);
Marshal.FreeHGlobal(eedata.SerialNumber);
}
}
else
{
if (pFT_EE_Program == IntPtr.Zero)
{
MessageBox.Show("Failed to load function FT_EE_Program.");
}
}
return ftStatus;
}
//**************************************************************************
// ReadFT232HEEPROM
//**************************************************************************
// Intellisense comments
/// <summary>
/// Reads the EEPROM contents of an FT232H device.
/// </summary>
/// <returns>FT_STATUS value from FT_EE_Read in FTD2XX DLL</returns>
/// <param name="ee232h">An FT232H_EEPROM_STRUCTURE which contains only the relevant information for an FT232H device.</param>
/// <exception cref="FT_EXCEPTION">Thrown when the current device does not match the type required by this method.</exception>
public FT_STATUS ReadFT232HEEPROM(FT232H_EEPROM_STRUCTURE ee232h)
{
// Initialise ftStatus to something other than FT_OK
FT_STATUS ftStatus = FT_STATUS.FT_OTHER_ERROR;
FT_ERROR ftErrorCondition = FT_ERROR.FT_NO_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_EE_Read != IntPtr.Zero)
{
tFT_EE_Read FT_EE_Read = (tFT_EE_Read)Marshal.GetDelegateForFunctionPointer(pFT_EE_Read, typeof(tFT_EE_Read));
if (ftHandle != IntPtr.Zero)
{
FT_DEVICE DeviceType = FT_DEVICE.FT_DEVICE_UNKNOWN;
// Check that it is an FT232H that we are trying to read
GetDeviceType(ref DeviceType);
if (DeviceType != FT_DEVICE.FT_DEVICE_232H)
{
// If it is not, throw an exception
ftErrorCondition = FT_ERROR.FT_INCORRECT_DEVICE;
ErrorHandler(ftStatus, ftErrorCondition);
}
FT_PROGRAM_DATA eedata = new FT_PROGRAM_DATA();
// Set up structure headers
eedata.Signature1 = 0x00000000;
eedata.Signature2 = 0xFFFFFFFF;
eedata.Version = 5;
// Allocate space from unmanaged heap
eedata.Manufacturer = Marshal.AllocHGlobal(32);
eedata.ManufacturerID = Marshal.AllocHGlobal(16);
eedata.Description = Marshal.AllocHGlobal(64);
eedata.SerialNumber = Marshal.AllocHGlobal(16);
// Call FT_EE_Read
ftStatus = FT_EE_Read(ftHandle, eedata);
// Retrieve string values
ee232h.Manufacturer = Marshal.PtrToStringAnsi(eedata.Manufacturer);
ee232h.ManufacturerID = Marshal.PtrToStringAnsi(eedata.ManufacturerID);
ee232h.Description = Marshal.PtrToStringAnsi(eedata.Description);
ee232h.SerialNumber = Marshal.PtrToStringAnsi(eedata.SerialNumber);
// Free unmanaged buffers
Marshal.FreeHGlobal(eedata.Manufacturer);
Marshal.FreeHGlobal(eedata.ManufacturerID);
Marshal.FreeHGlobal(eedata.Description);
Marshal.FreeHGlobal(eedata.SerialNumber);
// Map non-string elements to structure to be returned
// Standard elements
ee232h.VendorID = eedata.VendorID;
ee232h.ProductID = eedata.ProductID;
ee232h.MaxPower = eedata.MaxPower;
ee232h.SelfPowered = Convert.ToBoolean(eedata.SelfPowered);
ee232h.RemoteWakeup = Convert.ToBoolean(eedata.RemoteWakeup);
// 232H specific fields
ee232h.PullDownEnable = Convert.ToBoolean(eedata.PullDownEnableH);
ee232h.SerNumEnable = Convert.ToBoolean(eedata.SerNumEnableH);
ee232h.ACSlowSlew = Convert.ToBoolean(eedata.ACSlowSlewH);
ee232h.ACSchmittInput = Convert.ToBoolean(eedata.ACSchmittInputH);
ee232h.ACDriveCurrent = eedata.ACDriveCurrentH;
ee232h.ADSlowSlew = Convert.ToBoolean(eedata.ADSlowSlewH);
ee232h.ADSchmittInput = Convert.ToBoolean(eedata.ADSchmittInputH);
ee232h.ADDriveCurrent = eedata.ADDriveCurrentH;
ee232h.Cbus0 = eedata.Cbus0H;
ee232h.Cbus1 = eedata.Cbus1H;
ee232h.Cbus2 = eedata.Cbus2H;
ee232h.Cbus3 = eedata.Cbus3H;
ee232h.Cbus4 = eedata.Cbus4H;
ee232h.Cbus5 = eedata.Cbus5H;
ee232h.Cbus6 = eedata.Cbus6H;
ee232h.Cbus7 = eedata.Cbus7H;
ee232h.Cbus8 = eedata.Cbus8H;
ee232h.Cbus9 = eedata.Cbus9H;
ee232h.IsFifo = Convert.ToBoolean(eedata.IsFifoH);
ee232h.IsFifoTar = Convert.ToBoolean(eedata.IsFifoTarH);
ee232h.IsFastSer = Convert.ToBoolean(eedata.IsFastSerH);
ee232h.IsFT1248 = Convert.ToBoolean(eedata.IsFT1248H);
ee232h.FT1248Cpol = Convert.ToBoolean(eedata.FT1248CpolH);
ee232h.FT1248Lsb = Convert.ToBoolean(eedata.FT1248LsbH);
ee232h.FT1248FlowControl = Convert.ToBoolean(eedata.FT1248FlowControlH);
ee232h.IsVCP = Convert.ToBoolean(eedata.IsVCPH);
ee232h.PowerSaveEnable = Convert.ToBoolean(eedata.PowerSaveEnableH);
}
}
else
{
if (pFT_EE_Read == IntPtr.Zero)
{
MessageBox.Show("Failed to load function FT_EE_Read.");
}
}
return ftStatus;
}
