From aca7b86c7e60852ab7ea22a3b793eca7860f4887 Mon Sep 17 00:00:00 2001
From: Jacob Rosenthal <jacobrosenthal@gmail.com>
Date: Thu, 11 Nov 2021 23:47:35 -0700
Subject: [PATCH] pwm_sequence show implicit and explicit stop functionality
---
examples/nrf/src/bin/pwm_sequence.rs | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/examples/nrf/src/bin/pwm_sequence.rs b/examples/nrf/src/bin/pwm_sequence.rs
index 1e15bf6c4..8f57b5245 100644
--- a/examples/nrf/src/bin/pwm_sequence.rs
+++ b/examples/nrf/src/bin/pwm_sequence.rs
@@ -22,6 +22,7 @@ async fn main(_spawner: Spawner, p: Peripherals) {
// so we want to repeat our value as many times as necessary until 5000ms passes
// want 5000/8 = 625 periods total to occur, so 624 (we get the one period for free remember)
config.refresh = 624;
+ // thus our sequence takes 5 * 5000ms or 25 seconds
let pwm = unwrap!(SequencePwm::new(
p.PWM0,
@@ -36,7 +37,9 @@ async fn main(_spawner: Spawner, p: Peripherals) {
info!("pwm started!");
- loop {
- Timer::after(Duration::from_millis(5000)).await;
- }
+ // we can abort a sequence if we need to before its complete with pwm.stop()
+ // or stop is also implicitly called when the pwm peripheral is dropped
+ // when it goes out of scope
+ Timer::after(Duration::from_millis(20000)).await;
+ info!("pwm stopped early!");
}