Function esp_idf_sys::ledc_get_duty

pub unsafe extern "C" fn ledc_get_duty(
    speed_mode: ledc_mode_t, 
    channel: ledc_channel_t
) -> u32

@brief LEDC get duty

@param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode @param channel LEDC channel (0-7), select from ledc_channel_t

@return - LEDC_ERR_DUTY if parameter error - Others Current LEDC duty