diff options
Diffstat (limited to 'examples/stm32f3/src/bin/usart_dma.rs')
-rw-r--r-- | examples/stm32f3/src/bin/usart_dma.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/examples/stm32f3/src/bin/usart_dma.rs b/examples/stm32f3/src/bin/usart_dma.rs new file mode 100644 index 00000000..99530b5c --- /dev/null +++ b/examples/stm32f3/src/bin/usart_dma.rs @@ -0,0 +1,30 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] + +#[path = "../example_common.rs"] +mod example_common; +use core::fmt::Write; +use embassy::executor::Spawner; +use embassy_stm32::dma::NoDma; +use embassy_stm32::usart::{Config, Uart}; +use embassy_stm32::Peripherals; +use embassy_traits::uart::Write as _; +use example_common::*; +use heapless::String; + +#[embassy::main] +async fn main(_spawner: Spawner, p: Peripherals) { + info!("Hello World!"); + + let config = Config::default(); + let mut usart = Uart::new(p.USART1, p.PE1, p.PE0, p.DMA1_CH4, NoDma, config); + + for n in 0u32.. { + let mut s: String<128> = String::new(); + core::write!(&mut s, "Hello DMA World {}!\r\n", n).unwrap(); + + unwrap!(usart.write(s.as_bytes()).await); + info!("wrote DMA"); + } +} |