/// <summary>
/// Returns the index of the first available FTDI 232H device found in the system
/// </summary>
/// <returns></returns>
static public int GetFirstDevIndex()
{
FTDI ftdi = new FTDI();
int count = 10;
FTDI.FT_DEVICE_INFO_NODE[] devlist = new FTDI.FT_DEVICE_INFO_NODE[count];
FTDI.FT_STATUS status = ftdi.GetDeviceList(devlist);
if (status != FTDI.FT_STATUS.FT_OK)
{
throw new FTI2CException("Problem getting FTDI device list");
}
int index = -1;
for (int i = 0; i < count; i++)
{
FTDI.FT_DEVICE_INFO_NODE devinfo = devlist[i];
if (devinfo != null)
{
if (devinfo.Type == FTD2XX_NET.FTDI.FT_DEVICE.FT_DEVICE_232H)
{
index = i;
FTDI.FT_DEVICE device_type = devinfo.Type;
break;
}
}
}
return(index);
}
static void Main(string[] args)
{
FTDI ftdi = new FTDI();
FTDI.FT_DEVICE_INFO_NODE[] devicelist = new FTDI.FT_DEVICE_INFO_NODE[2];
FTDI.FT_STATUS ftStatus = ftdi.GetDeviceList(devicelist);
Debug.Assert(ftStatus == FTDI.FT_STATUS.FT_OK);
ftStatus = ftdi.OpenByIndex(1);
Debug.Assert(ftStatus == FTDI.FT_STATUS.FT_OK);
if (ftdi.IsOpen)
{
FTDI.FT_DEVICE type = FTDI.FT_DEVICE.FT_DEVICE_UNKNOWN;
ftStatus = ftdi.GetDeviceType(ref type);
Debug.Assert(ftStatus == FTDI.FT_STATUS.FT_OK);
Debug.Assert(type == FTDI.FT_DEVICE.FT_DEVICE_2232H);
//ftdi.
FTD2XX_NET.FTDI.FT2232H_EEPROM_STRUCTURE ee2232h = new FTDI.FT2232H_EEPROM_STRUCTURE();
ftStatus = ftdi.ReadFT2232HEEPROM(ee2232h);
Debug.Assert(ftStatus == FTDI.FT_STATUS.FT_OK);
}
else
{
throw new Exception();
}
ftStatus = ftdi.Close();
Debug.Assert(ftStatus == FTDI.FT_STATUS.FT_OK);
}
public void PrintDeviceData()
{
Console.WriteLine();
uint deviceID = 0;
FTDI.FT_DEVICE ftDevice = new FTDI.FT_DEVICE();
string des;
device.GetDeviceID(ref deviceID);
device.GetDeviceType(ref ftDevice);
device.GetDescription(out des);
Console.WriteLine("Device ID: " + deviceID);
Console.WriteLine("Device Type: " + ftDevice);
Console.WriteLine("Device Description: " + des);
Console.WriteLine();
}
static extern FTDI.FT_STATUS FT_GetDeviceInfoDetail(UInt32 index, ref UInt32 flags, ref FTDI.FT_DEVICE chiptype, ref UInt32 id, ref UInt32 locid, byte[] serialnumber, byte[] description, ref IntPtr ftHandle);
/// <summary>
/// Find the FDTI chip, connect, set baud to 9600, set sync bit-bang mode
/// </summary>
/// <returns></returns>
public bool Connect()
{
// Determine the number of FTDI devices connected to the machine
this.ftStatus = ftdiDevice.GetNumberOfDevices(ref this.ftdiDeviceCount);
// Check status
if (this.ftStatus == FTDI.FT_STATUS.FT_OK)
{
PackageHost.WriteInfo("Number of FTDI devices: {0}", this.ftdiDeviceCount);
}
else
{
PackageHost.WriteError("Failed to get number of devices (error {0})", this.ftStatus);
return(false);
}
// Check device count
if (ftdiDeviceCount == 0)
{
PackageHost.WriteError("No relay board found, please try again");
return(false);
}
else
{
if (PackageHost.ContainsSetting("SerialNumber") && !string.IsNullOrEmpty(PackageHost.GetSettingValue("SerialNumber")))
{
// Open device by serial number
this.ftStatus = this.ftdiDevice.OpenBySerialNumber(PackageHost.GetSettingValue("SerialNumber"));
}
else
{
// Open the first device
do
{
this.ftStatus = this.ftdiDevice.OpenByIndex(deviceId++);
}while (this.ftStatus != FTDI.FT_STATUS.FT_OK && deviceId < ftdiDeviceCount);
}
// Get serial number
if (this.ftStatus == FTDI.FT_STATUS.FT_OK)
{
this.ftStatus = this.ftdiDevice.GetSerialNumber(out serialNumber);
this.ftStatus = this.ftdiDevice.GetCOMPort(out portCOM);
this.ftStatus = this.ftdiDevice.GetDescription(out description);
this.ftStatus = this.ftdiDevice.GetDeviceID(ref deviceId);
this.ftStatus = this.ftdiDevice.GetDriverVersion(ref driverVersion);
FTDI.FT_DEVICE deviceType = FTDI.FT_DEVICE.FT_DEVICE_UNKNOWN;
this.ftStatus = this.ftdiDevice.GetDeviceType(ref deviceType);
this.deviceType = deviceType.ToString();
}
// Check status
if (ftStatus == FTDI.FT_STATUS.FT_OK)
{
PackageHost.WriteInfo("Connected on device '{0}'", this.SerialNumber);
}
else
{
PackageHost.WriteError("Unable to connect to the relay board");
return(false);
}
// Set Baud rate to 9600
this.ftStatus = this.ftdiDevice.SetBaudRate(BAUD_RATE);
// Set FT245RL to synchronous bit-bang mode, used on sainsmart relay board
this.ftdiDevice.SetBitMode(0xFF, FTDI.FT_BIT_MODES.FT_BIT_MODE_SYNC_BITBANG);
// Switch off all the relays
this.ftdiDevice.Write(startup, 1, ref bytesToSend);
// Ok !
return(true);
}
}
