Function riot_sys::timer_query_channel_numof

pub unsafe extern "C" fn timer_query_channel_numof(
    dev: tim_t
) -> uword_t

@brief Get the number of timer channels for the given timer

@details This function is marked with attribute pure to tell the compiler that this function has no side affects and will return the same value when called with the same timer as parameter. @details There is a weak default implementation that returns the value of TIMER_CHANNEL_NUMOF. For some MCUs the number of supported channels depends on @p dev - those are expected to provide there own implementation of this function.