Fix crash caused by using higher MSI on STM32WL

2024-04-08 01:23:49 +08:00 · 2024-04-08 01:23:49 +08:00 · 803b76df86
commit 803b76df86
parent 328cb99068
1 changed files with 7 additions and 0 deletions
--- a/embassy-stm32/src/rcc/l.rs
+++ b/embassy-stm32/src/rcc/l.rs
@ -157,6 +157,13 @@ pub(crate) unsafe fn init(config: Config) {
        while RCC.cfgr().read().sws() != Sysclk::MSI {}
    }

+    #[cfg(stm32wl)]
+    {
+        // Set max latency
+        FLASH.acr().modify(|w| w.set_prften(true));
+        FLASH.acr().modify(|w| w.set_latency(2));
+    }
+
    // Set voltage scale
    #[cfg(any(stm32l0, stm32l1))]
    {