diff --git a/src/main.rs b/src/main.rs
index d945d0ba72f2e7ba66106a4e5757dd93b8e5e3a7..9faf11a76fa3bee1be6fcccceea0054b847d9493 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -26,6 +26,8 @@ const APP: () = {
     struct Resources {
         // late resources
         GPIOA: stm32::GPIOA,
+        GPIOC: stm32::GPIOC,
+        //button: <stm32::GPIOC as int>::PC13,
     }
 
     #[init(schedule = [toggle])]
@@ -59,9 +61,15 @@ const APP: () = {
         // configure PA5 as output, RM0368 8.4.1
         device.GPIOA.moder.modify(|_, w| w.moder5().bits(1));
 
+        // Test button thingy. Think I put PC13 to input
+        device.GPIOC.moder.modify(|_, w| w.moder13().bits(0));
+        // device.GPIOC.pupdr.modify(|_, w| w.pupdr13().bits(0));
+        
         // pass on late resources
         init::LateResources {
             GPIOA: device.GPIOA,
+            GPIOC: device.GPIOC,
+            //button: device.button,
         }
     }
 
@@ -76,7 +84,7 @@ const APP: () = {
     
     
 
-    #[task(resources = [GPIOA], schedule = [toggle])]
+    #[task(resources = [GPIOA,GPIOC], schedule = [toggle])]
     fn toggle(cx: toggle::Context) {
         static mut TOGGLE: bool = false;
         rprintln!("toggle  @ {:?}", Instant::now());
@@ -87,10 +95,13 @@ const APP: () = {
             cx.resources.GPIOA.bsrr.write(|w| w.br5().set_bit());
         }
 
+        //cx.resources.GPIOC.PullDown;
+
         *TOGGLE = !*TOGGLE;
         cx.schedule
             .toggle(cx.scheduled + 16_000_000.cycles())
             .unwrap();
+        
     }
 
     extern "C" {