fix set_duty ptr write

2021-11-12 08:55:20 -07:00 · 2021-11-12 08:55:20 -07:00 · 0f322c1d4e
commit 0f322c1d4e
parent aca7b86c7e
1 changed files with 5 additions and 0 deletions
--- a/embassy-nrf/src/pwm.rs
+++ b/embassy-nrf/src/pwm.rs
@ -438,6 +438,11 @@ impl<'d, T: Instance> SimplePwm<'d, T> {

        self.duty[channel] = duty & 0x7FFF;

+        // reload ptr in case self was moved
+        r.seq0
+            .ptr
+            .write(|w| unsafe { w.bits((&self.duty).as_ptr() as u32) });
+
        // defensive before seqstart
        compiler_fence(Ordering::SeqCst);