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Commit 52a43e7f authored by Alexandru RADOVICI's avatar Alexandru RADOVICI
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Merge branch 'slides/fils_en/04' into 'main'

Update slides for Asynchronous Development

See merge request pmrust/pmrust.pages.upb.ro!61
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......@@ -11,7 +11,7 @@ drawings:
defaults:
foo: true
transition: slide-left
title: MA - 05 - Asynchronous Development
title: MA - 04 - Asynchronous Development
mdc: true
layout: cover
themeConfig:
......@@ -22,7 +22,7 @@ background:
---
# Asynchronous Development
Lecture 5
Lecture 4
---
---
......
......@@ -11,7 +11,7 @@ drawings:
defaults:
foo: true
transition: slide-left
title: MA - 03 - UART & SPI
title: MA - 05 - UART & SPI
mdc: true
layout: cover
themeConfig:
......@@ -22,7 +22,7 @@ background:
---
# UART & SPI
Lecture 6
Lecture 5
---
......
......@@ -11,7 +11,7 @@ drawings:
defaults:
foo: true
transition: slide-left
title: MA - 07 - I2C & USB 2.0
title: MA - 06 - I2C & USB 2.0
mdc: true
layout: cover
themeConfig:
......@@ -22,7 +22,7 @@ background:
---
# I2C & USB 2.0
Lecture 7
Lecture 6
---
......
......@@ -11,7 +11,7 @@ drawings:
defaults:
foo: true
transition: slide-left
title: MA - 03 - Exceptions and Interrupts
title: MA - 07 - Exceptions and Interrupts
mdc: true
layout: cover
themeConfig:
......@@ -22,7 +22,7 @@ background:
---
# Exceptions and Interrupts
Lecture 3
Lecture 7
---
......
......@@ -119,8 +119,8 @@ Embassy provides four types of channels synchronized using `Mutex`s
|-|-|
| [`Channel`](https://docs.embassy.dev/embassy-sync/git/default/channel/struct.Channel.html) | A Multiple Producer Multiple Consumer (MPMC) channel. Each message is only received by a single consumer. |
| [`PriorityChannel`](https://docs.embassy.dev/embassy-sync/git/default/priority_channel/struct.PriorityChannel.html) | A Multiple Producer Multiple Consumer (MPMC) channel. Each message is only received by a single consumer. Higher priority items are shifted to the front of the channel. |
| [`Signal`](https://docs.embassy.dev/embassy-sync/git/default/pubsub/struct.PubSubChannel.html) | Signalling latest value to a single consumer. |
| [`PubSubChannel`](https://docs.embassy.dev/embassy-sync/git/default/signal/struct.Signal.html) | A broadcast channel (publish-subscribe) channel. Each message is received by all consumers. |
| [`Signal`](https://docs.embassy.dev/embassy-sync/git/default/signal/struct.Signal.html) | Signalling latest value to a single consumer. |
| [`PubSubChannel`](https://docs.embassy.dev/embassy-sync/git/default/pubsub/struct.PubSubChannel.html) | A broadcast channel (publish-subscribe) channel. Each message is received by all consumers. |
---
---
......@@ -129,7 +129,7 @@ sends data from one task to another
[`Channel`](https://docs.embassy.dev/embassy-sync/git/default/channel/struct.Channel.html) - A Multiple Producer Multiple Consumer (MPMC) channel. Each message is only received by a single consumer.
[`Signal`](https://docs.embassy.dev/embassy-sync/git/default/pubsub/struct.PubSubChannel.html) - Signalling latest value to a single consumer.
[`Signal`](https://docs.embassy.dev/embassy-sync/git/default/signal/struct.Signal.html) - Signalling latest value to a single consumer.
```mermaid
flowchart LR
......@@ -166,7 +166,7 @@ flowchart LR
# PubSubChannel
sends data from one task to all receiver tasks
[`PubSubChannel`](https://docs.embassy.dev/embassy-sync/git/default/signal/struct.Signal.html) - A broadcast channel (publish-subscribe) channel. Each message is received by all consumers.
[`PubSubChannel`](https://docs.embassy.dev/embassy-sync/git/default/pubsub/struct.PubSubChannel.html) - A broadcast channel (publish-subscribe) channel. Each message is received by all consumers.
```mermaid
flowchart LR
......@@ -181,7 +181,7 @@ flowchart LR
# Channel Example
```rust{all|1|2|5,7,14,17-25|5,8-14}
```rust{1|2|5,7,14,17-25|5,8-14|all}
enum LedState { On, Off }
static CHANNEL: Channel<ThreadModeRawMutex, LedState, 64> = Channel::new();
......
......@@ -22,7 +22,7 @@ layout: two-cols
}
</style>
- MCUs are usually *single core*[^rp2040]
- MCUs are usually *single core*[^rp2350]
- Tasks in parallel require an OS[^interrupts]
- Tasks can be suspended at any time
- **Switching** the task is **expensive**
......@@ -54,7 +54,7 @@ sequenceDiagram
end
```
[^rp2040]: RP2040 is a dual core MCU, we use only one core
[^rp2350]: RP2350 is a dual core MCU, we use only one core
[^interrupts]: Running in an ISR is not considered a normal task
---
......
......@@ -9,10 +9,10 @@ of Embassy
# Bibliography
for this section
**Embassy Documentation**, *[Embassy executor](https://embassy.dev/book/dev/runtime.html)*
**Embassy Documentation**, *[Embassy executor](https://embassy.dev/book/#_embassy_executor)*
---
---
# Tasks
<div grid="~ cols-2 gap5">
......@@ -32,9 +32,9 @@ for this section
</div>
```rust {all|9-22|1-7|18-21|19|3-6|4|5}
```rust {9-22|1-7|18-21|19|3-6|4|5|all}
#[embassy_executor::task(pool_size = 2)]
async fn led_blink(mut led:Output<'static, PIN_X>) {
async fn led_blink(mut led: AnyPin) {
loop {
led.toogle();
Timer::after_secs(1).await;
......@@ -60,7 +60,7 @@ async fn main(spawner: Spawner) {
</div>
---
---
# Tasks can stop the executor
<div grid="~ cols-2 gap5">
......@@ -73,9 +73,9 @@ async fn main(spawner: Spawner) {
</div>
``` {all|5-8|3-9}
```rust {5-8|3-9|all}
#[embassy_executor::task]
async fn led_blink(mut led:Output<'static, PIN_X>) {
async fn led_blink(mut led: AnyPin) {
loop {
led.toogle();
// this does not execute anything
......@@ -114,6 +114,7 @@ async fn main(spawner: Spawner) {
---
layout: two-cols
---
## Priority Tasks
<style>
......@@ -139,7 +140,7 @@ unsafe fn SWI_IRQ_0() {
:: right ::
```rust {all|5,6,22|1,7-10|2,12-15|3,17-21}
```rust {5,6,22|1,7-10|2,12-15|3,17-21|all}
static EXECUTOR_HIGH: InterruptExecutor = InterruptExecutor::new();
static EXECUTOR_MED: InterruptExecutor = InterruptExecutor::new();
static EXECUTOR_LOW: StaticCell<Executor> = StaticCell::new();
......
......@@ -33,7 +33,7 @@ trait Future {
}
```
```rust {all|5,10|6|6,7|6|6,7|6|6,8|1,8}{lines: false}
```rust {5,10|6|6,7|6|6,7|6|6,8|1,8|all}{lines: false}
fn execute<F>(mut f: F) -> F::Output
where
F: Future
......@@ -74,7 +74,7 @@ sequenceDiagram
<div grid="~ cols-2 gap-5">
```rust {all|1-4|6-9|11-18}
```rust {1-4|6-9|11-18|all}
enum SleepStatus {
SetAlarm,
WaitForAlarm,
......@@ -97,7 +97,7 @@ impl Sleep {
<v-click>
```rust {all|1,20|1,2,20|4,19|5,18|6-10|11-17|11,12,13|11,14,15}{lines: false}
```rust {1,20|1,2,20|4,19|5,18|6-10|11-17|11,12,13|11,14,15|all}{lines: false}
impl Future for Sleep {
type Output = ();
......@@ -130,7 +130,7 @@ impl Future for Sleep {
<div grid="~ cols-2 gap-5">
```rust {all|1,20|1,2,20|4,19|5,18|6-10|11-17|11,12,13|11,14,15}{lines: false}
```rust {1,20|1,2,20|4,19|5,18|6-10|11-17|11,12,13|11,14,15|all}{lines: false}
impl Future for Sleep {
type Output = ();
......@@ -218,7 +218,7 @@ fn blink(led: Output<'static, PIN_X>) -> Blink {
<v-click>
```rust {4-23|5-22|5,6-10,22|5,11-17,22|12-14|5,11-17,22|12,14,15,16|5,18-21,22}{lines: false}
```rust {4-23|5-22|5,6-10,22|5,11-17,22|12-14|5,11-17,22|12,14,15,16|5,18-21,22|all}{lines: false}
impl Future for Blink {
type Output = ();
fn poll(&mut self) -> Poll<Self::Output> {
......@@ -257,7 +257,7 @@ impl Future for Blink {
- it does not know how to execute them
- executors are implemented into third party libraries
```rust {all|12|11,13,15|14}
```rust {12|11,13,15|14|all}
use engine::execute;
// Rust rewrites the function to a Future
......@@ -280,7 +280,7 @@ fn main() -> ! {
---
# Executor
```rust {all|1|4-16|5-12|14,15}
```rust {1|4-16|5-12|14,15|all}
static TASKS: [Option<impl Future>; N] = [None, N];
fn executor() {
......
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