public void Open()
{
FTD2XX.FT_Open(portIndex, out handle);
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);
}
public override void Update()
{
while (FTD2XX.BytesToRead(handle) >= 285)
{
ReadData();
}
if (FTD2XX.BytesToRead(handle) == 1)
{
FTD2XX.ReadByte(handle);
}
FTD2XX.Write(handle, new byte[] { 0x38 });
alternativeRequest.BeginInvoke(null, null);
}
public TBalancerGroup(ISettings settings)
{
uint numDevices;
try {
if (FTD2XX.FT_CreateDeviceInfoList(out numDevices) != FT_STATUS.FT_OK)
{
report.AppendLine("Status: FT_CreateDeviceInfoList failed");
return;
}
} catch (DllNotFoundException) { return; }
catch (ArgumentNullException) { return; }
catch (EntryPointNotFoundException) { return; }
catch (BadImageFormatException) { return; }
FT_DEVICE_INFO_NODE[] info = new FT_DEVICE_INFO_NODE[numDevices];
if (FTD2XX.FT_GetDeviceInfoList(info, ref numDevices) != FT_STATUS.FT_OK)
{
report.AppendLine("Status: FT_GetDeviceInfoList failed");
return;
}
// make sure numDevices is not larger than the info array
if (numDevices > info.Length)
{
numDevices = (uint)info.Length;
}
for (int i = 0; i < numDevices; i++)
{
report.Append("Device Index: ");
report.AppendLine(i.ToString(CultureInfo.InvariantCulture));
report.Append("Device Type: ");
report.AppendLine(info[i].Type.ToString());
// the T-Balancer always uses an FT232BM
if (info[i].Type != 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();
}
}
}
public override void Close()
{
FTD2XX.FT_Close(handle);
base.Close();
}
private void DelayedAlternativeRequest()
{
System.Threading.Thread.Sleep(500);
FTD2XX.Write(handle, new byte[] { 0x37 });
}
private void ReadData()
{
FTD2XX.Read(handle, data);
if (data[0] != STARTFLAG)
{
FTD2XX.FT_Purge(handle, FT_PURGE.FT_PURGE_RX);
return;
}
if (data[1] == 255 || data[1] == 88) // bigNG
{
if (data[274] != protocolVersion)
{
return;
}
if (primaryData.Length == 0)
{
primaryData = new byte[data.Length];
}
data.CopyTo(primaryData, 0);
for (int i = 0; i < digitalTemperatures.Length; i++)
{
if (data[238 + i] > 0)
{
digitalTemperatures[i].Value = 0.5f * data[238 + i] +
digitalTemperatures[i].Parameters[0].Value;
ActivateSensor(digitalTemperatures[i]);
}
else
{
DeactivateSensor(digitalTemperatures[i]);
}
}
for (int i = 0; i < analogTemperatures.Length; i++)
{
if (data[260 + i] > 0)
{
analogTemperatures[i].Value = 0.5f * data[260 + i] +
analogTemperatures[i].Parameters[0].Value;
ActivateSensor(analogTemperatures[i]);
}
else
{
DeactivateSensor(analogTemperatures[i]);
}
}
for (int i = 0; i < sensorhubTemperatures.Length; i++)
{
if (data[246 + i] > 0)
{
sensorhubTemperatures[i].Value = 0.5f * data[246 + i] +
sensorhubTemperatures[i].Parameters[0].Value;
ActivateSensor(sensorhubTemperatures[i]);
}
else
{
DeactivateSensor(sensorhubTemperatures[i]);
}
}
for (int i = 0; i < sensorhubFlows.Length; i++)
{
if (data[231 + i] > 0 && data[234] > 0)
{
float pulsesPerSecond = (data[231 + i] * 4.0f) / data[234];
float pulsesPerLiter = sensorhubFlows[i].Parameters[0].Value;
sensorhubFlows[i].Value = pulsesPerSecond * 3600 / pulsesPerLiter;
ActivateSensor(sensorhubFlows[i]);
}
else
{
DeactivateSensor(sensorhubFlows[i]);
}
}
for (int i = 0; i < fans.Length; i++)
{
float maxRPM = 11.5f * ((data[149 + 2 * i] << 8) | data[148 + 2 * i]);
if (fans[i] == null)
{
fans[i] = new Sensor("Fan Channel " + i, i, SensorType.Fan,
this, new [] { new ParameterDescription("MaxRPM",
"Maximum revolutions per minute (RPM) of the fan.", maxRPM) }, settings);
}
float value;
if ((data[136] & (1 << i)) == 0) // pwm mode
{
value = 0.02f * data[137 + i];
}
else // analog mode
{
value = 0.01f * data[141 + i];
}
fans[i].Value = fans[i].Parameters[0].Value * value;
ActivateSensor(fans[i]);
controls[i].Value = 100 * value;
ActivateSensor(controls[i]);
}
}
else if (data[1] == 253) // miniNG #1
{
if (alternativeData.Length == 0)
{
alternativeData = new byte[data.Length];
}
data.CopyTo(alternativeData, 0);
ReadminiNG(0);
if (data[66] == 253) // miniNG #2
{
ReadminiNG(1);
}
}
}