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samd/mphalport: Simplify mp_hal_delay_ms().

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Do NOT use `mp_hal_delay_us()` for short delays.  This was initially done
to make short delays precise, but it does not allow for scheduling.  Leave
using `mp_hal_delay_us()` to user code if needed.

Signed-off-by: robert-hh <robert@hammelrath.com>
This commit is contained in:
robert-hh
2024-08-17 17:07:44 +02:00
committed by Damien George
parent ed86fdbdf6
commit 1a6279ba37
2 changed files with 5 additions and 7 deletions
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10
ports/samd/mphalport.c
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@@ -69,13 +69,9 @@ void mp_hal_clr_pin_mux(mp_hal_pin_obj_t pin) {
}
void mp_hal_delay_ms(mp_uint_t ms) {
if (ms > 10) {
uint32_t t0 = systick_ms;
while (systick_ms - t0 < ms) {
MICROPY_EVENT_POLL_HOOK
}
} else {
mp_hal_delay_us(ms * 1000);
uint32_t t0 = systick_ms;
while (systick_ms - t0 < ms) {
MICROPY_EVENT_POLL_HOOK
}
}