NaxdyOrg/embassy
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Revert the use of forever

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This commit is contained in:
huntc 2022-02-04 16:39:14 +11:00
parent 81f98c32aa
commit e9e4d058d1
1 changed files with 2 additions and 7 deletions
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9
examples/nrf/src/bin/pwm_sequence_ws2812b.rs
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@ -7,12 +7,11 @@ mod example_common;
use defmt::*;
use embassy::executor::Spawner;
use embassy::time::{Duration, Timer};
use embassy::util::Forever;
use embassy_nrf::gpio::NoPin;
use embassy_nrf::pwm::{
Config, Prescaler, Sequence, SequenceConfig, SequenceLoad, SequenceMode, SequencePwm, Sequences,
};
use embassy_nrf::{peripherals, Peripherals};
use embassy_nrf::Peripherals;
// WS2812B LED light demonstration. Drives just one light.
// The following reference on WS2812B may be of use:
@ -27,8 +26,6 @@ const T1H: u16 = 0x8000 | 13; // Duty = 13/20 ticks (0.8us/1.25us) for a 1
const T0H: u16 = 0x8000 | 7; // Duty 7/20 ticks (0.4us/1.25us) for a 0
const RES: u16 = 0x8000;
static PWM: Forever<SequencePwm<peripherals::PWM0>> = Forever::new();
// Provides data to a WS2812b (Neopixel) LED and makes it go blue. The data
// line is assumed to be P1_05.
#[embassy::main]
@ -37,12 +34,10 @@ async fn main(_spawner: Spawner, p: Peripherals) {
config.sequence_load = SequenceLoad::Common;
config.prescaler = Prescaler::Div1;
config.max_duty = 20; // 1.25us (1s / 16Mhz * 20)
let pwm = unwrap!(SequencePwm::new(
let mut pwm = unwrap!(SequencePwm::new(
p.PWM0, p.P1_05, NoPin, NoPin, NoPin, config,
));
let mut pwm = PWM.put(pwm);
// Declare the bits of 24 bits in a buffer we'll be
// mutating later.
let mut seq_words = [