Fix APB clock calculation for several STM32 families

7 files changed, 8 insertions, 8 deletions

diff --git a/embassy-stm32/src/rcc/l0.rs b/embassy-stm32/src/rcc/l0.rs
index c3d29f164..42a481a74 100644
--- a/embassy-stm32/src/rcc/l0.rs
+++ b/embassy-stm32/src/rcc/l0.rs
@@ -313,7 +313,7 @@ pub(crate) unsafe fn init(config: Config) {
         pre => {
             let pre: Ppre = pre.into();
             let pre: u8 = 1 << (pre.0 - 3);
-            let freq = ahb_freq / (1 << (pre as u8 - 3));
+            let freq = ahb_freq / pre as u32;
             (freq, freq * 2)
         }
     };
diff --git a/embassy-stm32/src/rcc/l1.rs b/embassy-stm32/src/rcc/l1.rs
index e0180b24f..c907fa88a 100644
--- a/embassy-stm32/src/rcc/l1.rs
+++ b/embassy-stm32/src/rcc/l1.rs
@@ -314,7 +314,7 @@ pub(crate) unsafe fn init(config: Config) {
         pre => {
             let pre: Ppre = pre.into();
             let pre: u8 = 1 << (pre.0 - 3);
-            let freq = ahb_freq / (1 << (pre as u8 - 3));
+            let freq = ahb_freq / pre as u32;
             (freq, freq * 2)
         }
     };
diff --git a/embassy-stm32/src/rcc/l4.rs b/embassy-stm32/src/rcc/l4.rs
index c820018ac..e650490fe 100644
--- a/embassy-stm32/src/rcc/l4.rs
+++ b/embassy-stm32/src/rcc/l4.rs
@@ -483,7 +483,7 @@ pub(crate) unsafe fn init(config: Config) {
         pre => {
             let pre: Ppre = pre.into();
             let pre: u8 = 1 << (pre.0 - 3);
-            let freq = ahb_freq / (1 << (pre as u8 - 3));
+            let freq = ahb_freq / pre as u32;
             (freq, freq * 2)
         }
     };
diff --git a/embassy-stm32/src/rcc/l5.rs b/embassy-stm32/src/rcc/l5.rs
index 81bf36be0..f56fce365 100644
--- a/embassy-stm32/src/rcc/l5.rs
+++ b/embassy-stm32/src/rcc/l5.rs
@@ -481,7 +481,7 @@ pub(crate) unsafe fn init(config: Config) {
         pre => {
             let pre: Ppre = pre.into();
             let pre: u8 = 1 << (pre.0 - 3);
-            let freq = ahb_freq / (1 << (pre as u8 - 3));
+            let freq = ahb_freq / pre as u32;
             (freq, freq * 2)
         }
     };
diff --git a/embassy-stm32/src/rcc/u5.rs b/embassy-stm32/src/rcc/u5.rs
index 2ba339ecf..81507a4d6 100644
--- a/embassy-stm32/src/rcc/u5.rs
+++ b/embassy-stm32/src/rcc/u5.rs
@@ -481,7 +481,7 @@ pub(crate) unsafe fn init(config: Config) {
         pre => {
             let pre: u8 = pre.into();
             let pre: u8 = 1 << (pre - 3);
-            let freq = ahb_freq / (1 << (pre as u8 - 3));
+            let freq = ahb_freq / pre as u32;
             (freq, freq * 2)
         }
     };
@@ -491,7 +491,7 @@ pub(crate) unsafe fn init(config: Config) {
         pre => {
             let pre: u8 = pre.into();
             let pre: u8 = 1 << (pre - 3);
-            let freq = ahb_freq / (1 << (pre as u8 - 3));
+            let freq = ahb_freq / pre as u32;
             (freq, freq * 2)
         }
     };
diff --git a/embassy-stm32/src/rcc/wb.rs b/embassy-stm32/src/rcc/wb.rs
index c9ada83e2..e6123821a 100644
--- a/embassy-stm32/src/rcc/wb.rs
+++ b/embassy-stm32/src/rcc/wb.rs
@@ -151,7 +151,7 @@ pub(crate) unsafe fn init(config: Config) {
         pre => {
             let pre: u8 = pre.into();
             let pre: u8 = 1 << (pre - 3);
-            let freq = ahb_freq / (1 << (pre as u8 - 3));
+            let freq = ahb_freq / pre as u32;
             (freq, freq * 2)
         }
     };
diff --git a/embassy-stm32/src/rcc/wl.rs b/embassy-stm32/src/rcc/wl.rs
index 82b0d04e2..7072db984 100644
--- a/embassy-stm32/src/rcc/wl.rs
+++ b/embassy-stm32/src/rcc/wl.rs
@@ -240,7 +240,7 @@ pub(crate) unsafe fn init(config: Config) {
         pre => {
             let pre: u8 = pre.into();
             let pre: u8 = 1 << (pre - 3);
-            let freq = ahb_freq / (1 << (pre as u8 - 3));
+            let freq = ahb_freq / pre as u32;
             (freq, freq * 2)
         }
     };