analogWrite()

void fl::analogWrite	(	int	pin,
		u16	val )

Write analog value to pin (PWM)

Parameters

pin	Pin number (platform-specific numbering)
val	PWM duty cycle (0-255 typical, platform-specific maximum)

Definition at line 247 of file pin.cpp.hpp.

                                                  {
    pwm_state::PwmPinState* ch = pwm_state::findByPin(pin);
 
    if (ch && ch->backend == pwm_state::PwmBackend::IsrSoftware) {
        // Route to ISR duty cycle update (scale 8-bit val to duty)
        u8 duty = (val > 255) ? 255 : static_cast<u8>(val);
        fl::isr::critical_section cs;
        ch->duty_cycle = duty;
        ch->high_ticks = (static_cast<u32>(ch->period_ticks) * duty) / 256;
        return;
    }
 
    if (ch && ch->backend == pwm_state::PwmBackend::Native) {
        // Native backend — forward to platform (frequency already configured)
        (platforms::analogWrite)(pin, val);
        return;
    }
 
    // No setPwmFrequency called — forward to platform as before
    (platforms::analogWrite)(pin, val);
}

References analogWrite(), fl::pwm_state::PwmPinState::backend, fl::pwm_state::PwmPinState::duty_cycle, fl::pwm_state::findByPin(), FL_NO_EXCEPT, fl::pwm_state::PwmPinState::high_ticks, fl::pwm_state::IsrSoftware, fl::pwm_state::Native, and fl::pwm_state::PwmPinState::period_ticks.

Referenced by analogWrite(), initPanels(), setPanelHigh(), setPanelLow(), and fl::AnalogRGBController< RED_PIN, GREEN_PIN, BLUE_PIN >::writeRgb().

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