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Merge pull request #2558 from CBJamo/ws2812_write_fixup

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RP: Add explicit reset time to ws2812 write fn.
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Dario Nieuwenhuis 2024-02-17 01:49:20 +00:00 committed by GitHub
commit b7c98b9ec9
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1 changed files with 5 additions and 2 deletions
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7
examples/rp/src/bin/pio_ws2812.rs
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@ -12,7 +12,7 @@ use embassy_rp::pio::{
Common, Config, FifoJoin, Instance, InterruptHandler, Pio, PioPin, ShiftConfig, ShiftDirection, StateMachine,
};
use embassy_rp::{bind_interrupts, clocks, into_ref, Peripheral, PeripheralRef};
use embassy_time::Timer;
use embassy_time::{Duration, Ticker, Timer};
use fixed::types::U24F8;
use fixed_macro::fixed;
use smart_leds::RGB8;
@ -107,6 +107,8 @@ impl<'d, P: Instance, const S: usize, const N: usize> Ws2812<'d, P, S, N> {
// DMA transfer
self.sm.tx().dma_push(self.dma.reborrow(), &words).await;
Timer::after_micros(55).await;
}
}
@ -143,6 +145,7 @@ async fn main(_spawner: Spawner) {
let mut ws2812 = Ws2812::new(&mut common, sm0, p.DMA_CH0, p.PIN_16);
// Loop forever making RGB values and pushing them out to the WS2812.
let mut ticker = Ticker::every(Duration::from_millis(10));
loop {
for j in 0..(256 * 5) {
debug!("New Colors:");
@ -152,7 +155,7 @@ async fn main(_spawner: Spawner) {
}
ws2812.write(&data).await;
Timer::after_millis(10).await;
ticker.next().await;
}
}
}