[riot-notifications] [RIOT] xtimer: Add support for arbitrary frequency hardware timers (32768 Hz support) (#3990)

[Joakim Nohlgård]

>  #if XTIMER_MASK
>      value = _mask(value);
>  #endif
> -    while (_xtimer_now() > value);
> -    while (_xtimer_now() < value);
> +    while (_xtimer_now_ticks() > value);
> +    while (_xtimer_now_ticks() < value);
> +}
> +
> +static inline void xtimer_spin_until(uint32_t value) {
> +    value = _xtimer_us_to_ticks(value);
> +    _xtimer_spin_until_ticks(value);
> +}
> +
> +static inline void _xtimer_spin_ticks(uint32_t offset) {
> +    uint32_t start = _xtimer_now_ticks();
> +    while ((_xtimer_now_ticks() - start) < offset);

note to self: `_lltimer_now_ticks`

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Reply to this email directly or view it on GitHub:
https://github.com/RIOT-OS/RIOT/pull/3990/files#r40780945
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