33 lines
844 B
Rust
33 lines
844 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 defmt::{assert_eq, *};
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use embassy_executor::Spawner;
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use embassy_rp::uart::{Config, Uart};
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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_rp::init(Default::default());
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info!("Hello World!");
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let (tx, rx, uart) = (p.PIN_0, p.PIN_1, p.UART0);
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let config = Config::default();
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let mut uart = Uart::new_blocking(uart, tx, rx, config);
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// We can't send too many bytes, they have to fit in the FIFO.
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// This is because we aren't sending+receiving at the same time.
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let data = [0xC0, 0xDE];
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uart.blocking_write(&data).unwrap();
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let mut buf = [0; 2];
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uart.blocking_read(&mut buf).unwrap();
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assert_eq!(buf, data);
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info!("Test OK");
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cortex_m::asm::bkpt();
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}
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