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, Ftd2xx.FT_FLOW_CONTROL.FT_FLOW_RTS_CTS, 0x11, 0x13);
Ftd2xx.FT_SetTimeouts(_handle, 1000, 1000);
Ftd2xx.FT_Purge(_handle, Ftd2xx.FT_PURGE.FT_PURGE_ALL);
}
public TBalancerGroup(ISettings settings)
{
uint numDevices;
try
{
if (Ftd2xx.FT_CreateDeviceInfoList(out numDevices) != Ftd2xx.FT_STATUS.FT_OK)
{
_report.AppendLine("Status: FT_CreateDeviceInfoList failed");
return;
}
}
catch (DllNotFoundException)
{
return;
}
catch (ArgumentNullException)
{
return;
}
catch (EntryPointNotFoundException)
{
return;
}
catch (BadImageFormatException)
{
return;
}
Ftd2xx.FT_DEVICE_INFO_NODE[] info = new Ftd2xx.FT_DEVICE_INFO_NODE[numDevices];
if (Ftd2xx.FT_GetDeviceInfoList(info, ref numDevices) != Ftd2xx.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 != Ftd2xx.FT_DEVICE.FT_DEVICE_232BM)
{
_report.AppendLine("Status: Wrong device type");
continue;
}
Ftd2xx.FT_STATUS status = Ftd2xx.FT_Open(i, out Ftd2xx.FT_HANDLE handle);
if (status != Ftd2xx.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, Ftd2xx.FT_FLOW_CONTROL.FT_FLOW_RTS_CTS, 0x11, 0x13);
Ftd2xx.FT_SetTimeouts(handle, 1000, 1000);
Ftd2xx.FT_Purge(handle, Ftd2xx.FT_PURGE.FT_PURGE_ALL);
status = Ftd2xx.Write(handle, new byte[] { 0x38 });
if (status != Ftd2xx.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, Ftd2xx.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();
}
}
}
private void ReadData()
{
Ftd2xx.Read(_handle, _data);
if (_data[0] != StartFlag)
{
Ftd2xx.FT_Purge(_handle, Ftd2xx.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);
}
}
}