Make the sequence a little nicer to pass around

This commit is contained in:
huntc
2022-01-28 13:38:20 +11:00
parent 47aeab152f
commit 12ce024574
4 changed files with 52 additions and 44 deletions

View File

@ -8,13 +8,13 @@ use defmt::*;
use embassy::executor::Spawner;
use embassy::time::{Duration, Timer};
use embassy_nrf::gpio::NoPin;
use embassy_nrf::pwm::{Config, Prescaler, SequenceMode, SequencePwm};
use embassy_nrf::pwm::{Config, Prescaler, Sequence, SequenceConfig, SequenceMode, SequencePwm};
use embassy_nrf::Peripherals;
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
let seq_values_1: [u16; 5] = [1000, 250, 100, 50, 0];
let seq_values_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;
@ -22,7 +22,7 @@ async fn main(_spawner: Spawner, p: Peripherals) {
// but say we want to hold the value for 5000ms
// 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)
let mut seq_config = Config::default();
let mut seq_config = SequenceConfig::default();
seq_config.refresh = 624;
// thus our sequence takes 5 * 5000ms or 25 seconds
@ -30,11 +30,9 @@ async fn main(_spawner: Spawner, p: Peripherals) {
p.PWM0, p.P0_13, NoPin, NoPin, NoPin, config,
));
let _ = pwm.start(
&seq_values_1,
seq_config,
Sequence::new(&seq_words_1, seq_config.clone()),
None,
None,
SeqSequenceMode::Infinite,
SequenceMode::Infinite,
);
info!("pwm started!");
@ -43,9 +41,7 @@ async fn main(_spawner: Spawner, p: Peripherals) {
info!("pwm starting with another sequence!");
let _ = pwm.start(
&seq_values_2,
seq_config,
None,
Sequence::new(&seq_words_2, seq_config),
None,
SequenceMode::Infinite,
);