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Merge pull request #2078 from GrantM11235/prefetch

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stm32f1: Keep flash prefetch enabled
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Dario Nieuwenhuis 2023-10-17 00:29:30 +00:00 committed by GitHub
commit 3e3317e8bd
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1 changed files with 2 additions and 1 deletions
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embassy-stm32/src/rcc/f1.rs
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@ -102,7 +102,6 @@ pub(crate) unsafe fn init(config: Config) {
assert!(pclk2 <= 72_000_000);
// Only needed for stm32f103?
FLASH.acr().write(|w| {
w.set_latency(if real_sysclk <= 24_000_000 {
Latency::WS0
@ -111,6 +110,8 @@ pub(crate) unsafe fn init(config: Config) {
} else {
Latency::WS2
});
// the prefetch buffer is enabled by default, let's keep it enabled
w.set_prftbe(true);
});
// the USB clock is only valid if an external crystal is used, the PLL is enabled, and the