diff options
| author | Per Lindgren <per.lindgren@ltu.se> | 2023-01-07 17:59:39 +0100 |
|---|---|---|
| committer | Henrik Tjäder <henrik@tjaders.com> | 2023-03-01 00:33:24 +0100 |
| commit | 9a4f97ca5ebf19e6612115db5c763d0d61dd28a1 (patch) | |
| tree | 1f37d247f715ad3d5215aa7de3aa6d4eb94a7027 /examples/pool.rs | |
| parent | 5606ba3cf38c80be5d3e9c88ad4da9982b114851 (diff) | |
more examples
Diffstat (limited to 'examples/pool.rs')
| -rw-r--r-- | examples/pool.rs | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/examples/pool.rs b/examples/pool.rs deleted file mode 100644 index 5aadd24..0000000 --- a/examples/pool.rs +++ /dev/null @@ -1,70 +0,0 @@ -//! examples/pool.rs - -#![deny(unsafe_code)] -#![deny(warnings)] -#![no_main] -#![no_std] - -use heapless::{ - pool, - pool::singleton::{Box, Pool}, -}; -use panic_semihosting as _; -use rtic::app; - -// Declare a pool of 128-byte memory blocks -pool!(P: [u8; 128]); - -#[app(device = lm3s6965, dispatchers = [SSI0, QEI0])] -mod app { - use crate::{Box, Pool}; - use cortex_m_semihosting::debug; - use lm3s6965::Interrupt; - - // Import the memory pool into scope - use super::P; - - #[shared] - struct Shared {} - - #[local] - struct Local {} - - #[init(local = [memory: [u8; 512] = [0; 512]])] - fn init(cx: init::Context) -> (Shared, Local, init::Monotonics) { - // Increase the capacity of the memory pool by ~4 - P::grow(cx.local.memory); - - rtic::pend(Interrupt::I2C0); - - (Shared {}, Local {}, init::Monotonics()) - } - - #[task(binds = I2C0, priority = 2)] - fn i2c0(_: i2c0::Context) { - // claim a memory block, initialize it and .. - let x = P::alloc().unwrap().init([0u8; 128]); - - // .. send it to the `foo` task - foo::spawn(x).ok().unwrap(); - - // send another block to the task `bar` - bar::spawn(P::alloc().unwrap().init([0u8; 128])) - .ok() - .unwrap(); - } - - #[task] - fn foo(_: foo::Context, _x: Box<P>) { - // explicitly return the block to the pool - drop(_x); - - debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator - } - - #[task(priority = 2)] - fn bar(_: bar::Context, _x: Box<P>) { - // this is done automatically so we can omit the call to `drop` - // drop(x); - } -} |
