public IList <SerialDevice> ReloadDevices()
{
var devList = new List <SerialDevice>();
List <ManagementBaseObject> list = null;
using (var searcher = new ManagementObjectSearcher("SELECT * FROM Win32_PnPEntity WHERE Caption like '%(COM%'"))
{
list = searcher.Get().Cast <ManagementBaseObject>().ToList();
}
if (list == null || list.Count <= 0)
{
return(devList);
}
foreach (var device in FTDI_DeviceInfo.EnumerateDevices())
{
var name = "Unknown Device";
ManagementBaseObject ftdi = null;
if (String.IsNullOrWhiteSpace(device.DeviceSerialNumber))
{
var _tempList = list.Where(x => x["DeviceID"].ToString().Equals(device.DeviceSerialNumber)).ToList();
if (_tempList.Count > 0)
{
ftdi = null;
}
else
{
ftdi = list.First();
}
}
else
{
ftdi = list.Where(x => x["DeviceID"].ToString().Contains(device.DeviceSerialNumber)).SingleOrDefault();
}
if (ftdi != null)
{
name = (string)ftdi["Name"];
}
devList.Add(new SerialDevice(name, device.DeviceSerialNumber));
}
return(devList);
}
public void Open(SerialDevice device, int BaudRate)
{
uint baud = (uint)BaudRate;
_FtdiInfo = (FTDI_DeviceInfo)FTDI_DeviceInfo.EnumerateDevices().First(x => x.DeviceSerialNumber == device.Device);
if (_FtdiInfo == null)
{
return;
}
_FtdiDevice = new FTDI_Device(_FtdiInfo);
_FtdiDevice.SetParameters(DataLength.EightBits, Parity.None, StopBits.OneStopBit);
_FtdiDevice.SetBaudrate(baud);
//this is to change the USB buffer before it passes data to applications. on high baudrates it allows for faster response times instead of getting data in dirty blocks
_FtdiDevice.SetBufferSizes(64, 64);
//set the timer for the event
aTimer.Elapsed += DataToReadTimer;
aTimer.AutoReset = true;
aTimer.Enabled = true;
}