30 lines
755 B
Rust
30 lines
755 B
Rust
#![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 defmt_rtt as _; // global logger
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use embassy::executor::Spawner;
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use embassy_stm32::dma::NoDma;
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use embassy_stm32::usart::{Config, Uart};
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use embassy_stm32::Peripherals;
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use heapless::String;
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use panic_probe as _;
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#[embassy::main]
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async fn main(_spawner: Spawner, p: Peripherals) {
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info!("Hello World!");
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let config = Config::default();
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let mut usart = Uart::new(p.USART3, p.PD9, p.PD8, p.DMA1_CH3, NoDma, config);
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for n in 0u32.. {
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let mut s: String<128> = String::new();
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core::write!(&mut s, "Hello DMA World {}!\r\n", n).unwrap();
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unwrap!(usart.write(s.as_bytes()).await);
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info!("wrote DMA");
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}
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}
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