37 lines
845 B
Rust
37 lines
845 B
Rust
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#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use core::fmt::Write;
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use defmt::*;
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use embassy_executor::Spawner;
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use embassy_stm32::i2s::{Config, I2S};
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use embassy_stm32::time::Hertz;
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use heapless::String;
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use {defmt_rtt as _, panic_probe as _};
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let p = embassy_stm32::init(Default::default());
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info!("Hello World!");
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let mut i2s = I2S::new(
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p.SPI2,
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p.PC3, // sd
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p.PB12, // ws
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p.PB10, // ck
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p.PC6, // mck
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p.DMA1_CH4,
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p.DMA1_CH3,
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Hertz(1_000_000),
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Config::default(),
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);
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for n in 0u32.. {
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let mut write: String<128> = String::new();
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core::write!(&mut write, "Hello DMA World {}!\r\n", n).unwrap();
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i2s.write(&mut write.as_bytes()).await.ok();
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}
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}
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