internal void EnableSpi()
{
_spiEnabled++;
if (_spiEnabled == 1)
{
Firmata.EnableSpi();
}
}
/// <summary>
/// Returns the current assignment of the given pin
/// </summary>
/// <param name="pinNumber">Pin number to query</param>
/// <returns>A value of the <see cref="PinUsage"/> enumeration</returns>
public override PinUsage DetermineCurrentPinUsage(int pinNumber)
{
SupportedMode mode = Firmata.GetPinMode(pinNumber);
switch (mode)
{
case SupportedMode.AnalogInput:
return(PinUsage.AnalogIn);
case SupportedMode.DigitalInput:
return(PinUsage.Gpio);
case SupportedMode.DigitalOutput:
return(PinUsage.Gpio);
case SupportedMode.Pwm:
return(PinUsage.Pwm);
case SupportedMode.Servo:
break;
case SupportedMode.Shift:
break;
case SupportedMode.I2c:
return(PinUsage.I2c);
case SupportedMode.OneWire:
break;
case SupportedMode.Stepper:
break;
case SupportedMode.Encoder:
break;
case SupportedMode.Serial:
return(PinUsage.Uart);
case SupportedMode.InputPullup:
return(PinUsage.Gpio);
case SupportedMode.Spi:
return(PinUsage.Spi);
case SupportedMode.Sonar:
break;
case SupportedMode.Tone:
break;
case SupportedMode.Dht:
return(PinUsage.Gpio);
}
return(PinUsage.Unknown);
}
/// <summary>
/// Sets a single pixel to the given color values
/// </summary>
/// <param name="red">The amount of red to set</param>
/// <param name="green">The amount of green to set</param>
/// <param name="blue">The amount of blue to set</param>
private void SetPixel(byte pixel, byte red, byte green, byte blue)
{
Firmata.beginSysex(NEOPIXEL_SET_COMMAND);
Firmata.appendSysex(pixel);
Firmata.appendSysex(red);
Firmata.appendSysex(green);
Firmata.appendSysex(blue);
Firmata.endSysex();
}
internal void DisableSpi()
{
if (_spiEnabled <= 0)
{
throw new InvalidOperationException("Internal reference counting error: Spi ports already closed");
}
_spiEnabled--;
if (_spiEnabled == 0)
{
Firmata.DisableSpi();
}
}
/// <summary>
/// Special function to read DHT sensor, if supported
/// </summary>
/// <param name="pinNumber">Pin Number</param>
/// <param name="dhtType">Type of DHT Sensor: 11 = DHT11, 22 = DHT22, etc.</param>
/// <param name="temperature">Temperature</param>
/// <param name="humidity">Relative humidity</param>
/// <returns>True on success, false otherwise</returns>
public bool TryReadDht(int pinNumber, int dhtType, out Temperature temperature, out RelativeHumidity humidity)
{
Initialize();
if (!_supportedPinConfigurations[pinNumber].PinModes.Contains(SupportedMode.Dht))
{
temperature = default;
humidity = default;
return(false);
}
return(Firmata.TryReadDht(pinNumber, dhtType, out temperature, out humidity));
}
/// <summary>
/// Returns the current assignment of the given pin
/// </summary>
/// <param name="pinNumber">Pin number to query</param>
/// <returns>An instance of <see cref="SupportedMode"/> from the list of known modes (or a new instance for an unknown mode)</returns>
/// <remarks>Thi is the opposite of <see cref="SetPinMode"/>. See there for usage limitations.</remarks>
public SupportedMode GetPinMode(int pinNumber)
{
byte mode = Firmata.GetPinMode(pinNumber);
_commandHandlersLock.EnterReadLock();
try
{
var m = _knownSupportedModes.FirstOrDefault(x => x.Value == mode);
if (m == null)
{
return(new SupportedMode(mode, $"Unknown mode {mode}"));
}
return(m);
}
finally
{
_commandHandlersLock.ExitReadLock();
}
}
/// <summary>
/// Returns the current assignment of the given pin
/// </summary>
/// <param name="pinNumber">Pin number to query</param>
/// <returns>A value of the <see cref="PinUsage"/> enumeration</returns>
public override PinUsage DetermineCurrentPinUsage(int pinNumber)
{
byte mode = Firmata.GetPinMode(pinNumber);
_commandHandlersLock.EnterReadLock();
try
{
var m = _knownSupportedModes.FirstOrDefault(x => x.Value == mode);
if (m == null)
{
return(PinUsage.Unknown);
}
return(m.PinUsage);
}
finally
{
_commandHandlersLock.ExitReadLock();
}
}
/// <summary>
/// Configures the sampling interval for analog input pins (when an event callback is enabled)
/// </summary>
/// <param name="timeSpan">Timespan between updates. Default ~20ms</param>
public void SetAnalogPinSamplingInterval(TimeSpan timeSpan)
{
Initialize();
Firmata.SetAnalogInputSamplingInterval(timeSpan);
}
/// <summary>
/// Tells the NeoPixel strip to update its displayed colors.
/// This function must be called before any colors set to pixels will be displayed.
/// </summary>
/// <param name="red">The amount of red to set</param>
/// <param name="green">The amount of green to set</param>
/// <param name="blue">The amount of blue to set</param>
private void UpdateStrip()
{
Firmata.beginSysex(NEOPIXEL_SHOW_COMMAND);
Firmata.endSysex();
}
/// <summary>
/// Performs a software reset of the Arduino firmware
/// </summary>
public void SoftwareReset()
{
Initialize();
Firmata.SendSoftwareReset();
Firmata.QueryCapabilities();
}
/// <summary>
/// Sets the internal pin mode to the given value, if supported.
/// </summary>
/// <param name="pin">The pin to configure</param>
/// <param name="arduinoMode">The mode to set</param>
/// <exception cref="TimeoutException">The mode was not updated, either because the command was not understood or
/// the mode is unknown by the firmware</exception>
/// <remarks>This method is intended for use by <see cref="ExtendedCommandHandler"/> instances. Users should not
/// call this method directly. It is the responsibility of the command handler to use the capabilities table to check
/// that the mode is actually supported</remarks>
public void SetPinMode(int pin, SupportedMode arduinoMode)
{
Firmata.SetPinMode(pin, arduinoMode);
}
public override void Run(string param)
{
string[] vars = param.Split(';');
int power, a, b = -1;
bool on, astate, bstate = false;
if (vars.Length == 5)
{
if (!int.TryParse(vars[1], out power) ||
!int.TryParse(vars[2], out a))
{
Console.WriteLine("A pin was not a number.");
return;
}
if (!ParseBool(vars[3], out on) ||
!ParseBool(vars[4], out astate))
{
Console.WriteLine("A state was not boolean.");
return;
}
}
else if (vars.Length == 7)
{
if (!int.TryParse(vars[1], out power) ||
!int.TryParse(vars[2], out a) ||
!int.TryParse(vars[3], out b))
{
Console.WriteLine("A pin was not a number.");
return;
}
if (!ParseBool(vars[4], out on) ||
!ParseBool(vars[5], out astate) ||
!ParseBool(vars[6], out bstate))
{
Console.WriteLine("A state was not boolean.");
return;
}
}
else
{
Console.WriteLine("Incorrect number of parameters.");
return;
}
Firmata board;
try {
board = new Firmata(vars[0]);
} catch (UnauthorizedAccessException) {
Console.WriteLine("Access is denied to the port.");
return;
} catch (ArgumentException) {
Console.WriteLine("The port name does not begin with \"COM\", or the file type of the port is not supported.");
return;
} catch (InvalidOperationException) {
Console.WriteLine("The specified port is used by another application.");
return;
} catch {
Console.WriteLine("The port couldn't be opened.");
return;
}
board.SetPin(a, !astate);
if (b != -1)
{
board.SetPin(b, !bstate);
}
board.SetPin(power, on);
board.Dispose();
}
