stm32/rcc: set highest VOS on some F4s with no overdrive.

2023-11-06 03:37:39 +01:00 · 2023-11-06 03:37:39 +01:00 · b8679c0cc8
commit b8679c0cc8
parent d9b00c01e0
1 changed files with 8 additions and 0 deletions
--- a/embassy-stm32/src/rcc/f4f7.rs
+++ b/embassy-stm32/src/rcc/f4f7.rs
@ -113,6 +113,14 @@ pub(crate) unsafe fn init(config: Config) {
        while !PWR.csr1().read().odswrdy() {}
    }

+    #[cfg(any(stm32f401, stm32f410, stm32f411, stm32f412, stm32f413, stm32f423))]
+    {
+        use crate::pac::pwr::vals::Vos;
+        use crate::pac::PWR;
+
+        PWR.cr1().modify(|w| w.set_vos(Vos::SCALE1));
+    }
+
    // Configure HSI
    let hsi = match config.hsi {
        false => {