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Pin fix, improve fifo handling

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Caleb Jamison 2023-05-09 17:05:39 -04:00 committed by Caleb Jamison
parent d737e3dcbb
commit 1be6e53316
1 changed files with 5 additions and 1 deletions
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4
examples/rp/src/bin/ws2812-pio.rs → examples/rp/src/bin/pio_ws2812.rs
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@ -48,6 +48,8 @@ impl<'d, P: Instance, const S: usize> Ws2812<'d, P, S> {
// Pin config // Pin config
let out_pin = pio.make_pio_pin(pin); let out_pin = pio.make_pio_pin(pin);
cfg.set_out_pins(&[&out_pin]);
cfg.set_set_pins(&[&out_pin]);
let relocated = RelocatedProgram::new(&prg); let relocated = RelocatedProgram::new(&prg);
cfg.use_program(&pio.load_program(&relocated), &[&out_pin]); cfg.use_program(&pio.load_program(&relocated), &[&out_pin]);
@ -76,9 +78,11 @@ impl<'d, P: Instance, const S: usize> Ws2812<'d, P, S> {
pub async fn write(&mut self, colors: &[RGB8]) { pub async fn write(&mut self, colors: &[RGB8]) {
for color in colors { for color in colors {
let word = (u32::from(color.g) << 24) | (u32::from(color.r) << 16) | (u32::from(color.b) << 8); let word = (u32::from(color.g) << 24) | (u32::from(color.r) << 16) | (u32::from(color.b) << 8);
if !self.sm.tx().try_push(word) {
self.sm.tx().wait_push(word).await; self.sm.tx().wait_push(word).await;
} }
} }
}
} }
/// Input a value 0 to 255 to get a color value /// Input a value 0 to 255 to get a color value