NaxdyOrg/embassy
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Update another example

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This commit is contained in:
huntc 2022-02-04 16:34:25 +11:00
parent fe5501293f
commit 81f98c32aa
1 changed files with 14 additions and 13 deletions
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27
examples/nrf/src/bin/pwm_sequence.rs
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@ -8,13 +8,15 @@ use defmt::*;
use embassy::executor::Spawner;
use embassy::time::{Duration, Timer};
use embassy_nrf::gpio::NoPin;
use embassy_nrf::pwm::{Config, Prescaler, Sequence, SequenceConfig, SequenceMode, SequencePwm};
use embassy_nrf::pwm::{
Config, Prescaler, Sequence, SequenceConfig, SequenceMode, SequencePwm, Sequences,
};
use embassy_nrf::Peripherals;
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
let mut seq_words_1: [u16; 5] = [1000, 250, 100, 50, 0];
let mut seq_words_2: [u16; 5] = [0, 50, 100, 250, 1000];
let seq_words_1: [u16; 5] = [1000, 250, 100, 50, 0];
let seq_words_2: [u16; 5] = [0, 50, 100, 250, 1000];
let mut config = Config::default();
config.prescaler = Prescaler::Div128;
@ -29,22 +31,21 @@ async fn main(_spawner: Spawner, p: Peripherals) {
let mut pwm = unwrap!(SequencePwm::new(
p.PWM0, p.P0_13, NoPin, NoPin, NoPin, config,
));
let _ = pwm.start(
Sequence::new(&mut seq_words_1, seq_config.clone()),
None,
SequenceMode::Times(1),
);
let sequence0 = Sequence::new(&seq_words_1, seq_config.clone());
let sequences = Sequences::new(&mut pwm, sequence0, None);
unwrap!(sequences.start(SequenceMode::Times(1)));
info!("pwm started!");
Timer::after(Duration::from_millis(20000)).await;
info!("pwm starting with another sequence!");
let _ = pwm.start(
Sequence::new(&mut seq_words_2, seq_config),
None,
SequenceMode::Times(1),
);
drop(sequences); // This stops the previous sequence and returns pwm ownership back
let sequence0 = Sequence::new(&seq_words_2, seq_config);
let sequences = Sequences::new(&mut pwm, sequence0, None);
unwrap!(sequences.start(SequenceMode::Times(1)));
// 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