public ISerialPort Create(SerialDeviceType device)
{
if (_serialDevices.ContainsKey(device) && null != _serialDevices[device])
{
return(_serialDevices[device]);
}
ISerialPort _serialPort = null;
switch (device)
{
case SerialDeviceType.LoRa:
_serialPort = new LoRaSerial();
break;
case SerialDeviceType.BTLe:
_serialPort = new BTLESerial();
break;
}
if (null != _serialPort)
{
_serialDevices[device] = _serialPort;
}
return(_serialPort);
}
public BaudRateSettings(
SerialDeviceType deviceType,
int desiredBaud,
double actualBaud,
string setting
)
{
DeviceType = deviceType;
TargetRate = desiredBaud;
ActualBaud = actualBaud;
PercentError = ComputePercentError(desiredBaud, actualBaud);
Setting = setting;
}
/// <summary>
/// Compute some parameters for baud generators.
/// Some devices, such as PIC32, require a clock rate.
/// Others, such as FTDI chips, have pre-specified clock rates
/// </summary>
/// <param name="deviceType"></param>
/// <param name="desiredBaud"></param>
/// <param name="clockRate"></param>
/// <returns></returns>
public static BaudRateSettings Compute(SerialDeviceType deviceType, int desiredBaud, int clockRate = 0)
{
switch (deviceType)
{
case SerialDeviceType.PIC32:
return(ComputePic32Parameters(desiredBaud, clockRate));
case SerialDeviceType.FtdiLow:
return(ComputeFtdiLowParameters(desiredBaud));
case SerialDeviceType.FtdiHigh:
return(ComputeFtdiHighParameters(desiredBaud));
default:
throw new NotImplementedException("Unknown serial device type " + deviceType);
}
return(null);
}
