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| author | Kevin O'Connor <kevin@koconnor.net> | 2025-04-28 19:53:00 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2025-04-28 19:55:30 -0400 |
| commit | 5b2f8104c7106a2126949dcb0502dff5491023b2 (patch) | |
| tree | bc0e2d1eab2497f64251518b90e8b6a166fa9b96 | |
| parent | cf3bedfbdc744325e0039e35f37a8e12c0c63bc0 (diff) | |
| download | kutter-5b2f8104c7106a2126949dcb0502dff5491023b2.tar.gz kutter-5b2f8104c7106a2126949dcb0502dff5491023b2.tar.xz kutter-5b2f8104c7106a2126949dcb0502dff5491023b2.zip | |
neopixel: Round up in nsecs_to_ticks()
The rp2040 operates at a fast internal clock with a relatively slow
external timer and dividing down could result in a too small delay.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
| -rw-r--r-- | src/neopixel.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/neopixel.c b/src/neopixel.c index 4e171658..fe3f724f 100644 --- a/src/neopixel.c +++ b/src/neopixel.c @@ -34,7 +34,7 @@ typedef unsigned int neopixel_time_t; static __always_inline neopixel_time_t nsecs_to_ticks(uint32_t ns) { - return timer_from_us(ns * 1000) / 1000000; + return DIV_ROUND_UP(timer_from_us(ns * 1000), 1000000); } static inline int |