//--//
/// <summary>
/// Build an instance of the PWM type
/// </summary>
/// <param name="channel">The channel to use</param>
/// <param name="frequency_Hz">The frequency of the pulse in Hz</param>
/// <param name="dutyCycle">The duty cycle of the pulse as a fraction of unity. Value should be between 0.0 and 1.0</param>
/// <param name="invert">Whether the output should be inverted or not</param>
public PWM(Cpu.PWMChannel channel, double frequency_Hz, double dutyCycle, bool invert)
{
HardwareProvider hwProvider = HardwareProvider.HwProvider;
if(hwProvider == null) throw new InvalidOperationException();
m_pin = hwProvider.GetPwmPinForChannel(channel);
m_channel = channel;
//--//
m_period = PeriodFromFrequency(frequency_Hz, out m_scale);
m_duration = DurationFromDutyCycleAndPeriod(dutyCycle, m_period);
m_invert = invert;
//--//
try
{
Init();
Commit();
Port.ReservePin(m_pin, true);
}
catch
{
Dispose(false);
}
}
public Fan(Cpu.PWMChannel pin)
{
this.pwmChannel = pin;
this.speed = Speed.None;
this.frequency = (double)100;
Start();
}
/// <summary>
/// Initialise the Servo motor
/// </summary>
/// <param name="pin">PWM Pin</param>
/// <param name="minPulse">minimum pulse durat ion for servo in microseconds</param>
/// <param name="maxPulseDuration">maximum pulse duration for servo in microseconds</param>
/// <param name="maxDegrees">maximum degrees the servo can sweep</param>
public ServoPwm(Cpu.PWMChannel pin, uint period, uint minPulseDuration, uint maxPulseDuration, uint maxDegrees, string name)
: base(name, "servopwm")
{
_pin = pin;
_period = period;
_minPosition = minPulseDuration;
_maxPosition = maxPulseDuration;
_maxDegrees = maxDegrees;
Initialise();
}
public NativePwmOutput(Socket socket, Socket.Pin pin, bool invert, Module module, Cpu.PWMChannel channel)
{
if (channel == Cpu.PWMChannel.PWM_NONE)
{
Socket.InvalidSocketException.ThrowIfOutOfRange(pin, Socket.Pin.Seven, Socket.Pin.Nine, "PWM", module);
// this is a mainboard error that should not happen (we already check for it in SocketInterfaces.RegisterSocket) but just in case...
throw Socket.InvalidSocketException.FunctionalityException(socket, "PWM");
}
_channel = channel;
_socket = socket;
_invert = invert;
}
public static IStepSequencer GetSimulatedStepperMotor(Cpu.Pin direction1, Cpu.PWMChannel power1, Cpu.Pin direction2, Cpu.PWMChannel power2)
{
var direction1Port = new OutputPort(direction1, false);
var direction2Port = new OutputPort(direction2, false);
var bridge1 = new HBridgeLedSimulator(direction1Port, power1);
var bridge2 = new HBridgeLedSimulator(direction2Port, power2);
return(GetMicrosteppingStepperMotor(256, bridge1, bridge2));
}
/// <summary>
/// Attach the servo to a specific PWM pin and set the minimum and maximum pulse
/// widths for the 0 and 180 degree angles.
/// </summary>
/// <param name="pin">PWM pin to use for this servo.</param>
/// <param name="minimum">Minimum pulse width for the servo. The minimum width define the value used for 0 degrees.</param>
/// <param name="maximum">Maximum pulse width for the servo. The maximum value determines the value used for 180 degrees.</param>
private void Attach(Cpu.PWMChannel pin, int minimum = 544, int maximum = 2400)
{
Pin = pin;
MinimumPulseWidth = minimum;
MaximumPulseWidth = maximum;
}
/// <summary>
/// Piezo speaker driver and notes and playback manager
/// </summary>
/// <param name="pin">From the SecretLabs.NETMF.Hardware.NetduinoPlus.PWMChannels namespace</param>
/// <param name="name">Unique identifying name for command and control</param>
public Piezo(Cpu.PWMChannel pin, string name)
: base(name, "piezo")
{
_piezo = new PWM(pin, 0, 0, PWM.ScaleFactor.Microseconds, false);
_piezo.Start();
}
/// <summary>
/// Create a new instance of the Servo class. This call is equivalent to creating a new instance and
/// then calling the <i>Attach</i> method.
/// </summary>
/// <param name="pin">PWM pin to which the servo is attached.</param>
/// <param name="minimum">Minimum value for the pulse width, the default is 544.</param>
/// <param name="maximum">Maximum value for the pulse width, the default value is 2400.</param>
public Servo(Cpu.PWMChannel pin, int minimum = 544, int maximum = 2400)
{
Attach(pin, minimum, maximum);
}
PWM GetPwm(Cpu.PWMChannel pwmChannel)
{
var pwm = new PWM(pwmChannel, 64000.0, 0.0, false);
return(pwm);
}
public PWM(Cpu.Pin pin)
{
Cpu.PWMChannel channel = GetChannelFromPin(pin);
_pwm = new Microsoft.SPOT.Hardware.PWM(channel, 100, 0, Microsoft.SPOT.Hardware.PWM.ScaleFactor.Microseconds, false);
}
public HBridgeLedSimulator(OutputPort directionIndicator, Cpu.PWMChannel powerPwmChannel)
{
this.directionIndicator = directionIndicator;
powerLevelIndicator = new PWM(powerPwmChannel, 100.0, dutyCycle: 0.5, invert: true);
powerLevelIndicator.Start();
}
override public Cpu.Pin GetPwmPinForChannel(Cpu.PWMChannel channel)
{
throw new NotImplementedException();
}
/// <summary>
/// Initialise the Servo motor with default Jaycar Hobby Tech YM-2763, //timings set for the Jaycar Hobby Tech YM-2763, Pulse Width: 800 - 2200µs, Rotation Angle: 120
/// </summary>
/// <param name="pin">PWM Pin</param>
public ServoPwm(Cpu.PWMChannel pin, string name)
: base(name, "servopwm")
{
_pin = pin;
Initialise();
}
public virtual Cpu.Pin GetPwmPinForChannel(Cpu.PWMChannel channel)
{
return(NativeGetPWMPinForChannel(channel));
}
public NoiseMaker(Cpu.PWMChannel channel)
{
_channel = channel;
}
public NativePwmOutput(Socket socket, Socket.Pin pin, bool invert, Module module, Cpu.PWMChannel channel)
{
if (channel == Cpu.PWMChannel.PWM_NONE)
{
Socket.InvalidSocketException.ThrowIfOutOfRange(pin, Socket.Pin.Seven, Socket.Pin.Nine, "PWM", module);
throw Socket.InvalidSocketException.FunctionalityException(socket, "PWM");
}
this._channel = channel;
this._socket = socket;
this._invert = invert;
}
public NativePwmOutput(Socket socket, Socket.Pin pin, bool invert, Module module, Cpu.PWMChannel channel)
{
if (channel == Cpu.PWMChannel.PWM_NONE)
{
Socket.InvalidSocketException.ThrowIfOutOfRange(pin, Socket.Pin.Seven, Socket.Pin.Nine, "PWM", module);
// this is a mainboard error that should not happen (we already check for it in SocketInterfaces.RegisterSocket) but just in case...
throw Socket.InvalidSocketException.FunctionalityException(socket, "PWM");
}
_channel = channel;
_socket = socket;
_invert = invert;
}
/// <summary>
/// Initialise the Servo motor with default Jaycar Hobby Tech YM-2763, //timings set for the Jaycar Hobby Tech YM-2763, Pulse Width: 800 - 2200µs, Rotation Angle: 120
/// </summary>
/// <param name="pin">PWM Pin</param>
public ServoPwm(Cpu.PWMChannel pin, string name)
: base(name, "servopwm")
{
_pin = pin;
Initialise();
}
extern private Cpu.Pin NativeGetPWMPinForChannel(Cpu.PWMChannel channel);
/// <summary>
/// Build an instance of the PWM type
/// </summary>
/// <param name="channel">The channel</param>
/// <param name="period">The period of the pulse</param>
/// <param name="duration">The duration of the pulse. The value should be a fraction of the period</param>
/// <param name="scale">The scale factor for the period/duration (nS, uS, mS)</param>
/// <param name="invert">Whether the output should be inverted or not</param>
public PWM(Cpu.PWMChannel channel, uint period, uint duration, ScaleFactor scale, bool invert)
{
HardwareProvider hwProvider = HardwareProvider.HwProvider;
if (hwProvider == null) throw new InvalidOperationException();
m_pin = hwProvider.GetPwmPinForChannel(channel);
m_channel = channel;
//--//
m_period = period;
m_duration = duration;
m_scale = scale;
m_invert = invert;
//--//
try
{
Init();
Commit();
Port.ReservePin(m_pin, true);
}
catch
{
Dispose(false);
}
}
public ContServo(Cpu.PWMChannel servo_pin)
{
servo = new PWM(servo_pin, 20, 0, false);
servo.Start();
}
