diff options
| author | Dario Nieuwenhuis <[email protected]> | 2021-06-02 01:30:07 +0200 |
|---|---|---|
| committer | Dario Nieuwenhuis <[email protected]> | 2021-06-02 01:32:19 +0200 |
| commit | dff03ecfc74d6af716637888338ebfa99ab7a027 (patch) | |
| tree | c06bf2b0a2e6657c3427c956dbd27a4e45211aaa /examples/nrf/src/bin/buffered_uart.rs | |
| parent | a0c5f7137fe0c45b8db0aad2a116aea91e6a93f7 (diff) | |
Move examples to a subdirectory
Diffstat (limited to 'examples/nrf/src/bin/buffered_uart.rs')
| -rw-r--r-- | examples/nrf/src/bin/buffered_uart.rs | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/examples/nrf/src/bin/buffered_uart.rs b/examples/nrf/src/bin/buffered_uart.rs new file mode 100644 index 000000000..c800e64fc --- /dev/null +++ b/examples/nrf/src/bin/buffered_uart.rs | |||
| @@ -0,0 +1,68 @@ | |||
| 1 | #![no_std] | ||
| 2 | #![no_main] | ||
| 3 | #![feature(min_type_alias_impl_trait)] | ||
| 4 | #![feature(impl_trait_in_bindings)] | ||
| 5 | #![feature(type_alias_impl_trait)] | ||
| 6 | #![allow(incomplete_features)] | ||
| 7 | |||
| 8 | #[path = "../example_common.rs"] | ||
| 9 | mod example_common; | ||
| 10 | |||
| 11 | use defmt::panic; | ||
| 12 | use embassy::executor::Spawner; | ||
| 13 | use embassy::io::{AsyncBufReadExt, AsyncWriteExt}; | ||
| 14 | use embassy_nrf::gpio::NoPin; | ||
| 15 | use embassy_nrf::{buffered_uarte::BufferedUarte, interrupt, uarte, Peripherals}; | ||
| 16 | use example_common::*; | ||
| 17 | use futures::pin_mut; | ||
| 18 | |||
| 19 | #[embassy::main] | ||
| 20 | async fn main(_spawner: Spawner, p: Peripherals) { | ||
| 21 | let mut config = uarte::Config::default(); | ||
| 22 | config.parity = uarte::Parity::EXCLUDED; | ||
| 23 | config.baudrate = uarte::Baudrate::BAUD115200; | ||
| 24 | |||
| 25 | let mut tx_buffer = [0u8; 4096]; | ||
| 26 | let mut rx_buffer = [0u8; 4096]; | ||
| 27 | |||
| 28 | let irq = interrupt::take!(UARTE0_UART0); | ||
| 29 | let u = unsafe { | ||
| 30 | BufferedUarte::new( | ||
| 31 | p.UARTE0, | ||
| 32 | p.TIMER0, | ||
| 33 | p.PPI_CH0, | ||
| 34 | p.PPI_CH1, | ||
| 35 | irq, | ||
| 36 | p.P0_08, | ||
| 37 | p.P0_06, | ||
| 38 | NoPin, | ||
| 39 | NoPin, | ||
| 40 | config, | ||
| 41 | &mut rx_buffer, | ||
| 42 | &mut tx_buffer, | ||
| 43 | ) | ||
| 44 | }; | ||
| 45 | pin_mut!(u); | ||
| 46 | |||
| 47 | info!("uarte initialized!"); | ||
| 48 | |||
| 49 | unwrap!(u.write_all(b"Hello!\r\n").await); | ||
| 50 | info!("wrote hello in uart!"); | ||
| 51 | |||
| 52 | // Simple demo, reading 8-char chunks and echoing them back reversed. | ||
| 53 | loop { | ||
| 54 | info!("reading..."); | ||
| 55 | let mut buf = [0u8; 8]; | ||
| 56 | unwrap!(u.read_exact(&mut buf).await); | ||
| 57 | info!("read done, got {}", buf); | ||
| 58 | |||
| 59 | // Reverse buf | ||
| 60 | for i in 0..4 { | ||
| 61 | buf.swap(i, 7 - i); | ||
| 62 | } | ||
| 63 | |||
| 64 | info!("writing..."); | ||
| 65 | unwrap!(u.write_all(&buf).await); | ||
| 66 | info!("write done"); | ||
| 67 | } | ||
| 68 | } | ||
