public FT_STATUS Open(FT_DEVICE_INFO_NODE device)
{
lock (lockObj) {
if (device.ftHandle != IntPtr.Zero)
{
this.lastBaudRate = 0;
this.handle = device.ftHandle;
return(FT_STATUS.FT_OK);
}
var status = FT_OpenEx(device.SerialNumber, 0x00000001, out this.handle);
if (status == FT_STATUS.FT_OK)
{
// Initialise port data characteristics
var wordLength = FT_DATA_BITS.FT_BITS_8;
var stopBits = FT_STOP_BITS.FT_STOP_BITS_1;
var parity = FT_PARITY.FT_PARITY_NONE;
status = FT_SetDataCharacteristics(handle, wordLength, stopBits, parity);
// Initialise to no flow control
var flowControl = FT_FLOW_CONTROL.FT_FLOW_NONE;
byte Xon = 0x11;
byte Xoff = 0x13;
status = FT_SetFlowControl(handle, flowControl, Xon, Xoff);
// Initialise Baud rate
uint baudRate = 9600;
status = FT_SetBaudRate(handle, baudRate);
}
return(status);
}
}
public FT_STATUS GetDeviceList(out FT_DEVICE_INFO_NODE[] devicelist)
{
lock (lockObj) {
var status = FT_CreateDeviceInfoList(out var deviceCount);
devicelist = new FT_DEVICE_INFO_NODE[deviceCount];
for (uint i = 0; i < (uint)deviceCount; i++)
{
byte[] serialNoBytes = new byte[16];
byte[] descriptionBytes = new byte[64];
status = FT_GetDeviceInfoDetail(i, out var flags, out var device, out var id, out var locationId, serialNoBytes, descriptionBytes, out var handle);
var serialNo = Encoding.ASCII.GetString(serialNoBytes);
var nullIdx = serialNo.IndexOf("\0");
if (nullIdx > -1)
{
serialNo = serialNo.Substring(0, nullIdx);
}
var description = Encoding.ASCII.GetString(descriptionBytes);
nullIdx = description.IndexOf("\0");
if (nullIdx > -1)
{
description = description.Substring(0, nullIdx);
}
devicelist[i] = new FT_DEVICE_INFO_NODE()
{
ID = id,
Flags = flags,
ftHandle = handle,
SerialNumber = serialNo.Trim(),
LocId = locationId,
Description = description.Trim(),
Type = device
};
}
return(status);
}
}
