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stm32: update metapac and use stop data

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This commit is contained in:
xoviat
2023-11-05 20:09:33 -06:00
parent 46cffcc8d4
commit 239ad5ebea
2 changed files with 13 additions and 14 deletions
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23
embassy-stm32/build.rs
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@ -6,7 +6,7 @@ use std::{env, fs};
use proc_macro2::{Ident, TokenStream};
use quote::{format_ident, quote};
use stm32_metapac::metadata::ir::{BlockItemInner, Enum, FieldSet};
use stm32_metapac::metadata::{MemoryRegionKind, PeripheralRccRegister, METADATA};
use stm32_metapac::metadata::{MemoryRegionKind, PeripheralRccRegister, StopMode, METADATA};
fn main() {
let target = env::var("TARGET").unwrap();
@ -557,18 +557,18 @@ fn main() {
};
/*
If LP and non-LP peripherals share the same RCC enable bit, then a refcount leak will result.
A refcount leak can result if the same field is shared by peripherals with different stop modes
This should be checked in stm32-data-gen.
This condition should be checked in stm32-data
*/
let stop_refcount = if p.name.starts_with("LP") {
quote! { REFCOUNT_STOP2 }
} else {
quote! { REFCOUNT_STOP1 }
let stop_refcount = match rcc.stop_mode {
StopMode::Standby => None,
StopMode::Stop2 => Some(quote! { REFCOUNT_STOP2 }),
StopMode::Stop1 => Some(quote! { REFCOUNT_STOP1 }),
};
let (incr_stop_refcount, decr_stop_refcount) = if p.name != "RTC" {
(
let (incr_stop_refcount, decr_stop_refcount) = match stop_refcount {
Some(stop_refcount) => (
quote! {
#[cfg(feature = "low-power")]
unsafe { crate::rcc::#stop_refcount += 1 };
@ -577,9 +577,8 @@ fn main() {
#[cfg(feature = "low-power")]
unsafe { crate::rcc::#stop_refcount -= 1 };
},
)
} else {
(quote! {}, quote! {})
),
None => (TokenStream::new(), TokenStream::new()),
};
g.extend(quote! {