diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/lpc55s69/src/bin/usart_blocking.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/examples/lpc55s69/src/bin/usart_blocking.rs b/examples/lpc55s69/src/bin/usart_blocking.rs new file mode 100644 index 000000000..a38ec0c5b --- /dev/null +++ b/examples/lpc55s69/src/bin/usart_blocking.rs | |||
| @@ -0,0 +1,40 @@ | |||
| 1 | #![no_std] | ||
| 2 | #![no_main] | ||
| 3 | |||
| 4 | use core::str::from_utf8_mut; | ||
| 5 | |||
| 6 | use defmt::*; | ||
| 7 | use embassy_executor::Spawner; | ||
| 8 | use embassy_nxp::usart::{Config, Usart}; | ||
| 9 | use embassy_time::Timer; | ||
| 10 | use {defmt_rtt as _, panic_halt as _}; | ||
| 11 | |||
| 12 | #[embassy_executor::main] | ||
| 13 | async fn main(_spawner: Spawner) { | ||
| 14 | let p = embassy_nxp::init(Default::default()); | ||
| 15 | let mut usart = Usart::new_blocking(p.USART2, p.PIO0_27, p.PIO1_24, Config::default()); | ||
| 16 | let tx_buf = b"Hello, Ferris!"; | ||
| 17 | let mut rx_buf = [0u8; 14]; | ||
| 18 | |||
| 19 | loop { | ||
| 20 | info!("Write a message"); | ||
| 21 | usart.blocking_write(tx_buf).unwrap(); | ||
| 22 | usart.blocking_flush().unwrap(); | ||
| 23 | |||
| 24 | Timer::after_millis(500).await; | ||
| 25 | |||
| 26 | info!("Read a message"); | ||
| 27 | usart.blocking_read(&mut rx_buf).unwrap(); | ||
| 28 | |||
| 29 | match from_utf8_mut(&mut rx_buf) { | ||
| 30 | Ok(str) => { | ||
| 31 | info!("The message is: {}", str); | ||
| 32 | } | ||
| 33 | Err(_) => { | ||
| 34 | error!("Error in converting to UTF8"); | ||
| 35 | } | ||
| 36 | } | ||
| 37 | |||
| 38 | Timer::after_millis(500).await; | ||
| 39 | } | ||
| 40 | } | ||
