public GetPwmPinForChannel ( |
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channel | ||
return | Cpu.Pin |
/// <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); } }
//--// /// <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); } }