/// <summary>
/// Construct a dual half bridge with PWM speed control
/// </summary>
/// <param name="A">The "A" channel half-bridge input</param>
/// <param name="B">The "B" channel half-bridge input</param>
/// <param name="Enable">The PWM input used to control the output enable</param>
public DualHalfBridge(DigitalOutPin A, DigitalOutPin B, Pwm Enable)
{
Enable.Enabled = true;
Enable.DutyCycle = 0;
Enable.Enabled = true;
A.MakeDigitalPushPullOut();
B.MakeDigitalPushPullOut();
enablePwm = Enable;
this.A = A;
this.B = B;
}
internal Pin2(TreehopperBoard device)
: base(device, 2)
{
ioName = "RC5";
Pwm = new Pwm(this);
}
internal Pin5(TreehopperBoard device)
: base(device, 5)
{
ioName = "RC6";
AnalogIn = new AnalogIn(this);
Pwm = new Pwm(this);
}
public LedStrip()
{
//TODO: later we store this value and read the stored value for preset
value = 0.8;
pwm = new Pwm();
}
/// <summary>
/// Starts PWM hardware pulses.
/// Frequencies above 30MHz are unlikely to work.
/// </summary>
/// <param name="frequency">The frequency. 0 (off) or 1-125000000 (125M).</param>
/// <param name="dutyCycle">0 (off) to 1000000 (1M)(fully on).</param>
public void Start(int frequency, int dutyCycle)
{
BoardException.ValidateResult(
Pwm.GpioHardwarePwm(Pin.PinGpio, Convert.ToUInt32(frequency), Convert.ToUInt32(dutyCycle)));
}
public Lamp()
{
pwm = new Pwm();
}
internal PwmChannel(Pwm pwm, int channel, uint gpio)
{
this.pwm = pwm;
this.channel = channel;
this.gpio = gpio;
}
