releaseChannel()

void fl::pwm_state::releaseChannel

(

PwmPinState *

ch

)

Definition at line 221 of file pin.cpp.hpp.

                                                  {
    if (!ch || ch->pin < 0) return;
 
    fl::digitalWrite(ch->pin, fl::PinValue::Low);
 
    {
        fl::isr::critical_section cs;
        ch->pin = -1;
        ch->backend = PwmBackend::None;
        ch->frequency_hz = 0;
        ch->duty_cycle = 0;
    }
 
    maybeShutdownIsr();
}

References fl::digitalWrite(), fl::FL_NO_EXCEPT, fl::Low, maybeShutdownIsr(), and None.

Referenced by fl::pinMode(), fl::pwmEnd(), and fl::setPwmFrequency().

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