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stm32: avoid creating many tiny critical sections in init.

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Saves 292 bytes on stm32f0 bilnky with max optimizations (from 3132 to 2840).
This commit is contained in:
Dario Nieuwenhuis
2023-10-12 00:34:47 +02:00
parent 66e399b5c6
commit 97ca0e77bf
14 changed files with 183 additions and 149 deletions
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28
embassy-stm32/build.rs
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@ -554,23 +554,19 @@ fn main() {
fn frequency() -> crate::time::Hertz {
#clock_frequency
}
fn enable_and_reset() {
critical_section::with(|_cs| {
#before_enable
#[cfg(feature = "low-power")]
crate::rcc::clock_refcount_add(_cs);
crate::pac::RCC.#en_reg().modify(|w| w.#set_en_field(true));
#after_enable
#rst
})
fn enable_and_reset_with_cs(_cs: critical_section::CriticalSection) {
#before_enable
#[cfg(feature = "low-power")]
crate::rcc::clock_refcount_add(_cs);
crate::pac::RCC.#en_reg().modify(|w| w.#set_en_field(true));
#after_enable
#rst
}
fn disable() {
critical_section::with(|_cs| {
#before_disable
crate::pac::RCC.#en_reg().modify(|w| w.#set_en_field(false));
#[cfg(feature = "low-power")]
crate::rcc::clock_refcount_sub(_cs);
})
fn disable_with_cs(_cs: critical_section::CriticalSection) {
#before_disable
crate::pac::RCC.#en_reg().modify(|w| w.#set_en_field(false));
#[cfg(feature = "low-power")]
crate::rcc::clock_refcount_sub(_cs);
}
}