Function pamoja_pca9685_prescale 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pamoja_pca9685_prescale(
    driver: *const PamojaPca9685,
) -> u8

Returns the prescale value the driver writes for its frequency.

Returns

The PRE_SCALE register value, or 0 for a null driver.

Safety

driver must be a live handle or null.