Blinky on a hardware timer, with ‘wfi’ in between.

1 files changed, 6 insertions, 4 deletions

diff --git a/src/led.rs b/src/led.rs
index d8d9912..951a32e 100644
--- a/src/led.rs
+++ b/src/led.rs
@@ -1,21 +1,23 @@
 use gd32vf103_pac::Peripherals;
 
+#[derive(Clone, Copy)]
 pub struct LED();
 
 impl LED {
-    pub fn new(peripherals: &Peripherals) -> Self {
-        peripherals.RCU.apb2en.write(|w| {
+    pub fn new() -> Self {
+        let peripherals = unsafe { Peripherals::steal() };
+        peripherals.RCU.apb2en.modify(|_, w| {
             w.paen().set_bit()
         });
 
-        peripherals.GPIOA.ctl0.write(|w| unsafe {
+        peripherals.GPIOA.ctl0.modify(|_, w| unsafe {
             // output mode, push-pull
             w.ctl7().bits(0b00);
             // 50 mhz output rate
             w.md7().bits(0b11);
             w
         });
-        Self {}
+        Self()
     }
 
     pub fn is_on(&self) -> bool {