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Merge #595

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595: stm32f3: fix nonexistent cfg tests r=Dirbaio a=unrelentingtech

The rcc code was taken from stm32-rs which uses 'x' features, but embassy uses features with full chip names.

Add these 'x' wildcards as cfgs and use them in rcc. They will be useful for USB #580 too.

---

I don't have any F3 boards, so this is not tested. But the original cfg clearly doesn't look right…

Co-authored-by: Greg V <greg@unrelenting.technology>
This commit is contained in:
bors[bot] 2022-02-02 20:03:21 +00:00 committed by GitHub
commit abd21ad139
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2 changed files with 6 additions and 2 deletions
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4
embassy-stm32/build.rs
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@ -125,6 +125,10 @@ fn main() {
println!("cargo:rustc-cfg={}", &chip_name[..chip_name.len() - 2]);
}
if chip_name.starts_with("stm32f3") {
println!("cargo:rustc-cfg={}x{}", &chip_name[..9], &chip_name[10..11]);
}
// ========
// Handle time-driver-XXXX features.

4
embassy-stm32/src/rcc/f3.rs
View file

@ -217,8 +217,8 @@ fn calc_pll(config: &Config, Hertz(sysclk): Hertz) -> (Hertz, PllConfig) {
cfg_if::cfg_if! {
// For some chips PREDIV is always two, and cannot be changed
if #[cfg(any(
feature="stm32f302xd", feature="stm32f302xe", feature="stm32f303xd",
feature="stm32f303xe", feature="stm32f398xe"
stm32f302xd, stm32f302xe, stm32f303xd,
stm32f303xe, stm32f398xe
))] {
let (multiplier, divisor) = get_mul_div(sysclk, HSI);
(