diff options
Diffstat (limited to 'examples/src/bin/buffered_uart.rs')
| -rw-r--r-- | examples/src/bin/buffered_uart.rs | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/examples/src/bin/buffered_uart.rs b/examples/src/bin/buffered_uart.rs deleted file mode 100644 index 6e15fbcfa..000000000 --- a/examples/src/bin/buffered_uart.rs +++ /dev/null | |||
| @@ -1,84 +0,0 @@ | |||
| 1 | #![no_std] | ||
| 2 | #![no_main] | ||
| 3 | #![feature(type_alias_impl_trait)] | ||
| 4 | |||
| 5 | #[path = "../example_common.rs"] | ||
| 6 | mod example_common; | ||
| 7 | use example_common::*; | ||
| 8 | |||
| 9 | use cortex_m_rt::entry; | ||
| 10 | use defmt::panic; | ||
| 11 | use futures::pin_mut; | ||
| 12 | use nrf52840_hal::gpio; | ||
| 13 | |||
| 14 | use embassy::executor::{task, Executor}; | ||
| 15 | use embassy::io::{AsyncBufRead, AsyncBufReadExt, AsyncWrite, AsyncWriteExt}; | ||
| 16 | use embassy::util::Forever; | ||
| 17 | use embassy_nrf::buffered_uarte; | ||
| 18 | use embassy_nrf::interrupt; | ||
| 19 | |||
| 20 | #[task] | ||
| 21 | async fn run() { | ||
| 22 | let p = unwrap!(embassy_nrf::pac::Peripherals::take()); | ||
| 23 | |||
| 24 | let port0 = gpio::p0::Parts::new(p.P0); | ||
| 25 | |||
| 26 | let pins = buffered_uarte::Pins { | ||
| 27 | rxd: port0.p0_08.into_floating_input().degrade(), | ||
| 28 | txd: port0 | ||
| 29 | .p0_06 | ||
| 30 | .into_push_pull_output(gpio::Level::Low) | ||
| 31 | .degrade(), | ||
| 32 | cts: None, | ||
| 33 | rts: None, | ||
| 34 | }; | ||
| 35 | |||
| 36 | let irq = interrupt::take!(UARTE0_UART0); | ||
| 37 | let u = buffered_uarte::BufferedUarte::new( | ||
| 38 | p.UARTE0, | ||
| 39 | irq, | ||
| 40 | pins, | ||
| 41 | buffered_uarte::Parity::EXCLUDED, | ||
| 42 | buffered_uarte::Baudrate::BAUD115200, | ||
| 43 | ); | ||
| 44 | pin_mut!(u); | ||
| 45 | |||
| 46 | info!("uarte initialized!"); | ||
| 47 | |||
| 48 | unwrap!(u.write_all(b"Hello!\r\n").await); | ||
| 49 | info!("wrote hello in uart!"); | ||
| 50 | |||
| 51 | // Simple demo, reading 8-char chunks and echoing them back reversed. | ||
| 52 | loop { | ||
| 53 | info!("reading..."); | ||
| 54 | let mut buf = [0u8; 8]; | ||
| 55 | unwrap!(u.read_exact(&mut buf).await); | ||
| 56 | info!("read done, got {:[u8]}", buf); | ||
| 57 | |||
| 58 | // Reverse buf | ||
| 59 | for i in 0..4 { | ||
| 60 | let tmp = buf[i]; | ||
| 61 | buf[i] = buf[7 - i]; | ||
| 62 | buf[7 - i] = tmp; | ||
| 63 | } | ||
| 64 | |||
| 65 | info!("writing..."); | ||
| 66 | unwrap!(u.write_all(&buf).await); | ||
| 67 | info!("write done"); | ||
| 68 | } | ||
| 69 | } | ||
| 70 | |||
| 71 | static EXECUTOR: Forever<Executor> = Forever::new(); | ||
| 72 | |||
| 73 | #[entry] | ||
| 74 | fn main() -> ! { | ||
| 75 | info!("Hello World!"); | ||
| 76 | |||
| 77 | let executor = EXECUTOR.put(Executor::new(cortex_m::asm::sev)); | ||
| 78 | unwrap!(executor.spawn(run())); | ||
| 79 | |||
| 80 | loop { | ||
| 81 | executor.run(); | ||
| 82 | cortex_m::asm::wfe(); | ||
| 83 | } | ||
| 84 | } | ||
