diff options
| author | Curly <[email protected]> | 2025-02-23 07:33:58 -0800 |
|---|---|---|
| committer | Curly <[email protected]> | 2025-02-23 07:33:58 -0800 |
| commit | 3932835998802fc3abf7cce4f736e072858ebfd1 (patch) | |
| tree | 5dd714b99bc74a03556c58809237c88691c293bb /examples/rp235x/src/bin/assign_resources.rs | |
| parent | c3c67db93e627a4fafe5e1a1123e5cbb4abafe47 (diff) | |
rename `rp23` (?) folder to `rp235x`; fix `ci.sh` to use `rp235x` folder
Diffstat (limited to 'examples/rp235x/src/bin/assign_resources.rs')
| -rw-r--r-- | examples/rp235x/src/bin/assign_resources.rs | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/examples/rp235x/src/bin/assign_resources.rs b/examples/rp235x/src/bin/assign_resources.rs new file mode 100644 index 000000000..ff6eff4a2 --- /dev/null +++ b/examples/rp235x/src/bin/assign_resources.rs | |||
| @@ -0,0 +1,79 @@ | |||
| 1 | //! This example demonstrates how to assign resources to multiple tasks by splitting up the peripherals. | ||
| 2 | //! It is not about sharing the same resources between tasks, see sharing.rs for that or head to https://embassy.dev/book/#_sharing_peripherals_between_tasks) | ||
| 3 | //! Of course splitting up resources and sharing resources can be combined, yet this example is only about splitting up resources. | ||
| 4 | //! | ||
| 5 | //! There are basically two ways we demonstrate here: | ||
| 6 | //! 1) Assigning resources to a task by passing parts of the peripherals | ||
| 7 | //! 2) Assigning resources to a task by passing a struct with the split up peripherals, using the assign-resources macro | ||
| 8 | //! | ||
| 9 | //! using four LEDs on Pins 10, 11, 20 and 21 | ||
| 10 | |||
| 11 | #![no_std] | ||
| 12 | #![no_main] | ||
| 13 | |||
| 14 | use assign_resources::assign_resources; | ||
| 15 | use defmt::*; | ||
| 16 | use embassy_executor::Spawner; | ||
| 17 | use embassy_rp::gpio::{Level, Output}; | ||
| 18 | use embassy_rp::peripherals::{self, PIN_20, PIN_21}; | ||
| 19 | use embassy_time::Timer; | ||
| 20 | use {defmt_rtt as _, panic_probe as _}; | ||
| 21 | |||
| 22 | #[embassy_executor::main] | ||
| 23 | async fn main(spawner: Spawner) { | ||
| 24 | // initialize the peripherals | ||
| 25 | let p = embassy_rp::init(Default::default()); | ||
| 26 | |||
| 27 | // 1) Assigning a resource to a task by passing parts of the peripherals. | ||
| 28 | spawner | ||
| 29 | .spawn(double_blinky_manually_assigned(spawner, p.PIN_20, p.PIN_21)) | ||
| 30 | .unwrap(); | ||
| 31 | |||
| 32 | // 2) Using the assign-resources macro to assign resources to a task. | ||
| 33 | // we perform the split, see further below for the definition of the resources struct | ||
| 34 | let r = split_resources!(p); | ||
| 35 | // and then we can use them | ||
| 36 | spawner.spawn(double_blinky_macro_assigned(spawner, r.leds)).unwrap(); | ||
| 37 | } | ||
| 38 | |||
| 39 | // 1) Assigning a resource to a task by passing parts of the peripherals. | ||
| 40 | #[embassy_executor::task] | ||
| 41 | async fn double_blinky_manually_assigned(_spawner: Spawner, pin_20: PIN_20, pin_21: PIN_21) { | ||
| 42 | let mut led_20 = Output::new(pin_20, Level::Low); | ||
| 43 | let mut led_21 = Output::new(pin_21, Level::High); | ||
| 44 | |||
| 45 | loop { | ||
| 46 | info!("toggling leds"); | ||
| 47 | led_20.toggle(); | ||
| 48 | led_21.toggle(); | ||
| 49 | Timer::after_secs(1).await; | ||
| 50 | } | ||
| 51 | } | ||
| 52 | |||
| 53 | // 2) Using the assign-resources macro to assign resources to a task. | ||
| 54 | // first we define the resources we want to assign to the task using the assign_resources! macro | ||
| 55 | // basically this will split up the peripherals struct into smaller structs, that we define here | ||
| 56 | // naming is up to you, make sure your future self understands what you did here | ||
| 57 | assign_resources! { | ||
| 58 | leds: Leds{ | ||
| 59 | led_10: PIN_10, | ||
| 60 | led_11: PIN_11, | ||
| 61 | } | ||
| 62 | // add more resources to more structs if needed, for example defining one struct for each task | ||
| 63 | } | ||
| 64 | // this could be done in another file and imported here, but for the sake of simplicity we do it here | ||
| 65 | // see https://github.com/adamgreig/assign-resources for more information | ||
| 66 | |||
| 67 | // 2) Using the split resources in a task | ||
| 68 | #[embassy_executor::task] | ||
| 69 | async fn double_blinky_macro_assigned(_spawner: Spawner, r: Leds) { | ||
| 70 | let mut led_10 = Output::new(r.led_10, Level::Low); | ||
| 71 | let mut led_11 = Output::new(r.led_11, Level::High); | ||
| 72 | |||
| 73 | loop { | ||
| 74 | info!("toggling leds"); | ||
| 75 | led_10.toggle(); | ||
| 76 | led_11.toggle(); | ||
| 77 | Timer::after_secs(1).await; | ||
| 78 | } | ||
| 79 | } | ||
