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add ability to configure loop count from 1 to infinite

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This commit is contained in:
Jacob Rosenthal
2021-10-30 16:16:10 -07:00
parent ee8f76537b
commit 763e250dfe
3 changed files with 65 additions and 29 deletions
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13
examples/nrf/src/bin/pwm_sequence.rs
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@ -7,7 +7,7 @@ mod example_common;
use defmt::*;
use embassy::executor::Spawner;
use embassy::time::{Duration, Timer};
use embassy_nrf::pwm::{CounterMode, LoopingConfig, Prescaler, Pwm, SequenceLoad};
use embassy_nrf::pwm::{CounterMode, LoopMode, LoopingConfig, Prescaler, Pwm, SequenceLoad};
use embassy_nrf::Peripherals;
#[embassy::main]
@ -15,26 +15,23 @@ async fn main(_spawner: Spawner, p: Peripherals) {
let seq_values: [u16; 16] = [
0x8000, 0, 0, 0, 0, 0x8000, 0, 0, 0, 0, 0x8000, 0, 0, 0, 0, 0x8000,
];
let config = LoopingConfig {
counter_mode: CounterMode::Up,
top: 15625,
prescaler: Prescaler::Div128,
sequence: &seq_values,
sequence_load: SequenceLoad::Individual,
repeats: 0,
refresh: 0,
enddelay: 0,
additional_loops: LoopMode::Additional(5),
};
let pwm = unwrap!(Pwm::simple_playback(
let _pwm = unwrap!(Pwm::simple_playback(
p.PWM0, p.P0_13, p.P0_15, p.P0_16, p.P0_14, config
));
info!("pwm started!");
Timer::after(Duration::from_millis(10000)).await;
pwm.stop();
info!("pwm stopped!");
loop {
Timer::after(Duration::from_millis(1000)).await;
}

12
examples/nrf/src/bin/pwm_simple_sin.rs
View File

@ -9,7 +9,7 @@ use defmt::*;
use embassy::executor::Spawner;
use embassy::time::{Duration, Timer};
use embassy_nrf::gpio::NoPin;
use embassy_nrf::pwm::{CounterMode, LoopingConfig, Prescaler, Pwm, SequenceLoad};
use embassy_nrf::pwm::{CounterMode, LoopMode, LoopingConfig, Prescaler, Pwm, SequenceLoad};
use embassy_nrf::Peripherals;
use micromath::F32Ext;
@ -26,15 +26,21 @@ async fn main(_spawner: Spawner, p: Peripherals) {
prescaler: Prescaler::Div16,
sequence: &seq_values,
sequence_load: SequenceLoad::Common,
repeats: 0,
refresh: 0,
enddelay: 0,
additional_loops: LoopMode::Infinite,
};
let _pwm = unwrap!(Pwm::simple_playback(
let pwm = unwrap!(Pwm::simple_playback(
p.PWM0, p.P0_13, NoPin, NoPin, NoPin, config
));
info!("pwm started!");
Timer::after(Duration::from_millis(20000)).await;
pwm.stop();
info!("pwm stopped!");
loop {
Timer::after(Duration::from_millis(1000)).await;
}