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-rw-r--r--examples/nrf/src/bin/pwm_sequence.rs27
1 files changed, 14 insertions, 13 deletions
diff --git a/examples/nrf/src/bin/pwm_sequence.rs b/examples/nrf/src/bin/pwm_sequence.rs
index d3ddf558c..b31c12a23 100644
--- a/examples/nrf/src/bin/pwm_sequence.rs
+++ b/examples/nrf/src/bin/pwm_sequence.rs
@@ -8,13 +8,15 @@ use defmt::*;
8use embassy::executor::Spawner; 8use embassy::executor::Spawner;
9use embassy::time::{Duration, Timer}; 9use embassy::time::{Duration, Timer};
10use embassy_nrf::gpio::NoPin; 10use embassy_nrf::gpio::NoPin;
11use embassy_nrf::pwm::{Config, Prescaler, Sequence, SequenceConfig, SequenceMode, SequencePwm}; 11use embassy_nrf::pwm::{
12 Config, Prescaler, Sequence, SequenceConfig, SequenceMode, SequencePwm, Sequences,
13};
12use embassy_nrf::Peripherals; 14use embassy_nrf::Peripherals;
13 15
14#[embassy::main] 16#[embassy::main]
15async fn main(_spawner: Spawner, p: Peripherals) { 17async fn main(_spawner: Spawner, p: Peripherals) {
16 let mut seq_words_1: [u16; 5] = [1000, 250, 100, 50, 0]; 18 let seq_words_1: [u16; 5] = [1000, 250, 100, 50, 0];
17 let mut seq_words_2: [u16; 5] = [0, 50, 100, 250, 1000]; 19 let seq_words_2: [u16; 5] = [0, 50, 100, 250, 1000];
18 20
19 let mut config = Config::default(); 21 let mut config = Config::default();
20 config.prescaler = Prescaler::Div128; 22 config.prescaler = Prescaler::Div128;
@@ -29,22 +31,21 @@ async fn main(_spawner: Spawner, p: Peripherals) {
29 let mut pwm = unwrap!(SequencePwm::new( 31 let mut pwm = unwrap!(SequencePwm::new(
30 p.PWM0, p.P0_13, NoPin, NoPin, NoPin, config, 32 p.PWM0, p.P0_13, NoPin, NoPin, NoPin, config,
31 )); 33 ));
32 let _ = pwm.start( 34
33 Sequence::new(&mut seq_words_1, seq_config.clone()), 35 let sequence0 = Sequence::new(&seq_words_1, seq_config.clone());
34 None, 36 let sequences = Sequences::new(&mut pwm, sequence0, None);
35 SequenceMode::Times(1), 37 unwrap!(sequences.start(SequenceMode::Times(1)));
36 );
37 38
38 info!("pwm started!"); 39 info!("pwm started!");
39 40
40 Timer::after(Duration::from_millis(20000)).await; 41 Timer::after(Duration::from_millis(20000)).await;
41 info!("pwm starting with another sequence!"); 42 info!("pwm starting with another sequence!");
42 43
43 let _ = pwm.start( 44 drop(sequences); // This stops the previous sequence and returns pwm ownership back
44 Sequence::new(&mut seq_words_2, seq_config), 45
45 None, 46 let sequence0 = Sequence::new(&seq_words_2, seq_config);
46 SequenceMode::Times(1), 47 let sequences = Sequences::new(&mut pwm, sequence0, None);
47 ); 48 unwrap!(sequences.start(SequenceMode::Times(1)));
48 49
49 // we can abort a sequence if we need to before its complete with pwm.stop() 50 // we can abort a sequence if we need to before its complete with pwm.stop()
50 // or stop is also implicitly called when the pwm peripheral is dropped 51 // or stop is also implicitly called when the pwm peripheral is dropped