stm32l4/examples: remove old-pac uses.

1 files changed, 22 insertions, 20 deletions

diff --git a/examples/stm32l4/src/bin/button.rs b/examples/stm32l4/src/bin/button.rs
index 3efeee20f..c72463605 100644
--- a/examples/stm32l4/src/bin/button.rs
+++ b/examples/stm32l4/src/bin/button.rs
@@ -8,34 +8,36 @@
 
 #[path = "../example_common.rs"]
 mod example_common;
+use cortex_m_rt::entry;
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
+use embassy_stm32::pac;
 use embedded_hal::digital::v2::{InputPin, OutputPin};
 use example_common::*;
 
-use cortex_m_rt::entry;
-use stm32l4::stm32l4x5 as pac;
-
 #[entry]
 fn main() -> ! {
     info!("Hello World!");
 
-    let pp = pac::Peripherals::take().unwrap();
-
-    pp.DBGMCU.cr.modify(|_, w| {
-        w.dbg_sleep().set_bit();
-        w.dbg_standby().set_bit();
-        w.dbg_stop().set_bit()
-    });
-
-    pp.RCC.ahb2enr.modify(|_, w| {
-        w.gpioaen().set_bit();
-        w.gpioben().set_bit();
-        w.gpiocen().set_bit();
-        w.gpioden().set_bit();
-        w.gpioeen().set_bit();
-        w.gpiofen().set_bit();
-        w
-    });
+    unsafe {
+        pac::DBGMCU.cr().modify(|w| {
+            w.set_dbg_sleep(true);
+            w.set_dbg_standby(true);
+            w.set_dbg_stop(true);
+        });
+
+        pac::RCC.apb2enr().modify(|w| {
+            w.set_syscfgen(true);
+        });
+
+        pac::RCC.ahb2enr().modify(|w| {
+            w.set_gpioaen(true);
+            w.set_gpioben(true);
+            w.set_gpiocen(true);
+            w.set_gpioden(true);
+            w.set_gpioeen(true);
+            w.set_gpiofen(true);
+        });
+    }
 
     let p = embassy_stm32::init(Default::default());