mirror/rtic
1
0
Fork 0
mirror of https://github.com/rtic-rs/rtic.git synced 2025-12-16 12:55:23 +01:00
Code Issues Projects Releases Packages Wiki Activity

panic if STM32 clock prescaler value overflows

Browse source
This commit is contained in:
Anton Lazarev 2025-06-23 22:17:54 -07:00 • committed by Henrik Tjäder
parent 1104a12ca3
commit b4a0c9057d
2 changed files with 7 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

3
rtic-monotonics/CHANGELOG.md
View file

@ -7,6 +7,9 @@ For each category, *Added*, *Changed*, *Fixed* add new entries at the top!
## Unreleased
### Changed
- Panic if STM32 prescaler value would overflow
## v2.1.0 - 2025-06-22
### Changed

6
rtic-monotonics/src/stm32.rs
View file

@ -238,8 +238,10 @@ macro_rules! make_timer {
$timer.cr1().modify(|r| r.set_cen(false));
assert!((tim_clock_hz % timer_hz) == 0, "Unable to find suitable timer prescaler value!");
let psc = tim_clock_hz / timer_hz - 1;
$timer.psc().write(|r| r.set_psc(psc as u16));
let Ok(psc) = u16::try_from(tim_clock_hz / timer_hz - 1) else {
panic!("Clock prescaler overflowed!");
};
$timer.psc().write(|r| r.set_psc(psc));
// Enable full-period interrupt.
$timer.dier().modify(|r| r.set_uie(true));