diff options
Diffstat (limited to 'rtic-monotonics/src/stm32.rs')
| -rw-r--r-- | rtic-monotonics/src/stm32.rs | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/rtic-monotonics/src/stm32.rs b/rtic-monotonics/src/stm32.rs index 77d36e4c..736ca788 100644 --- a/rtic-monotonics/src/stm32.rs +++ b/rtic-monotonics/src/stm32.rs @@ -37,9 +37,16 @@ use crate::{Monotonic, TimeoutError, TimerQueue}; use atomic_polyfill::{AtomicU64, Ordering}; pub use fugit::{self, ExtU64}; -use pac::metadata::METADATA; use stm32_metapac as pac; +mod _generated { + #![allow(dead_code)] + #![allow(unused_imports)] + #![allow(non_snake_case)] + + include!(concat!(env!("OUT_DIR"), "/_generated.rs")); +} + const TIMER_HZ: u32 = 1_000_000; #[doc(hidden)] @@ -114,17 +121,6 @@ macro_rules! create_stm32_tim15_monotonic_token { }}; } -// Creates `enable_timer()` function which enables timer in RCC. -macro_rules! enable_timer { - ($apbenrX:ident, $set_timXen:ident, $apbrstrX:ident, $set_timXrst:ident) => { - fn enable_timer() { - pac::RCC.$apbenrX().modify(|r| r.$set_timXen(true)); - pac::RCC.$apbrstrX().modify(|r| r.$set_timXrst(true)); - pac::RCC.$apbrstrX().modify(|r| r.$set_timXrst(false)); - } - }; -} - macro_rules! make_timer { ($mono_name:ident, $timer:ident, $bits:ident, $overflow:ident, $tq:ident$(, doc: ($($doc:tt)*))?) => { /// Monotonic timer queue implementation. @@ -139,6 +135,11 @@ macro_rules! make_timer { static $overflow: AtomicU64 = AtomicU64::new(0); static $tq: TimerQueue<$mono_name> = TimerQueue::new(); + fn enable_timer() { + _generated::$timer::enable(); + _generated::$timer::reset(); + } + impl $mono_name { /// Starts the monotonic timer. /// - `tim_clock_hz`: `TIMx` peripheral clock frequency. @@ -173,7 +174,7 @@ macro_rules! make_timer { // plus we are not using any external shared resources so we won't impact // basepri/source masking based critical sections. unsafe { - crate::set_monotonic_prio(METADATA.nvic_priority_bits.unwrap(), pac::Interrupt::$timer); + crate::set_monotonic_prio(_generated::NVIC_PRIO_BITS, pac::Interrupt::$timer); cortex_m::peripheral::NVIC::unmask(pac::Interrupt::$timer); } } @@ -299,31 +300,19 @@ macro_rules! make_timer { } #[cfg(feature = "stm32_tim2")] -enable_timer!(apbenr1, set_tim2en, apbrstr1, set_tim2rst); -#[cfg(feature = "stm32_tim2")] make_timer!(Tim2, TIM2, u32, TIMER2_OVERFLOWS, TIMER2_TQ); #[cfg(feature = "stm32_tim3")] -enable_timer!(apbenr1, set_tim3en, apbrstr1, set_tim3rst); -#[cfg(feature = "stm32_tim3")] make_timer!(Tim3, TIM3, u16, TIMER3_OVERFLOWS, TIMER3_TQ); #[cfg(feature = "stm32_tim4")] -enable_timer!(apbenr1, set_tim4en, apbrstr1, set_tim4rst); -#[cfg(feature = "stm32_tim4")] make_timer!(Tim4, TIM4, u16, TIMER4_OVERFLOWS, TIMER4_TQ); #[cfg(feature = "stm32_tim5")] -enable_timer!(apbenr1, set_tim5en, apbrstr1, set_tim5rst); -#[cfg(feature = "stm32_tim5")] make_timer!(Tim5, TIM5, u16, TIMER5_OVERFLOWS, TIMER5_TQ); #[cfg(feature = "stm32_tim12")] -enable_timer!(apb1enr, set_tim12en, apb1rstr, set_tim12rst); -#[cfg(feature = "stm32_tim12")] make_timer!(Tim12, TIM12, u16, TIMER12_OVERFLOWS, TIMER12_TQ); #[cfg(feature = "stm32_tim15")] -enable_timer!(apbenr2, set_tim15en, apbrstr2, set_tim15rst); -#[cfg(feature = "stm32_tim15")] make_timer!(Tim15, TIM15, u16, TIMER15_OVERFLOWS, TIMER15_TQ); |