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14
external_led_blinky/.cargo/config.toml
Normal file
14
external_led_blinky/.cargo/config.toml
Normal file
@@ -0,0 +1,14 @@
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||||
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1
external_led_blinky/.gitignore
vendored
Normal file
1
external_led_blinky/.gitignore
vendored
Normal file
@@ -0,0 +1 @@
|
||||
/target
|
||||
949
external_led_blinky/Cargo.lock
generated
Normal file
949
external_led_blinky/Cargo.lock
generated
Normal file
@@ -0,0 +1,949 @@
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201
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Normal file
201
external_led_blinky/LICENSE-APACHE
Normal file
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Normal file
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Normal file
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|
||||
TARGET = thumbv8m.main-none-eabihf
|
||||
CHIP = STM32U575ZI
|
||||
BIN = main
|
||||
MODE ?= release
|
||||
ELF = target/$(TARGET)/$(MODE)/$(BIN)
|
||||
PROBE = probe-rs
|
||||
|
||||
.PHONY: all build flash empty
|
||||
|
||||
all: build flash
|
||||
|
||||
build:
|
||||
cargo build --target $(TARGET) --$(MODE)
|
||||
|
||||
flash: build
|
||||
$(PROBE) run --chip $(CHIP) $(ELF)
|
||||
|
||||
empty:
|
||||
$(PROBE) erase --chip $(CHIP)
|
||||
|
||||
232
external_led_blinky/README.md
Normal file
232
external_led_blinky/README.md
Normal file
@@ -0,0 +1,232 @@
|
||||
# `app-template`
|
||||
|
||||
> Quickly set up a [`probe-rs`] + [`defmt`] + [`flip-link`] embedded project
|
||||
|
||||
[`probe-rs`]: https://crates.io/crates/probe-rs
|
||||
[`defmt`]: https://github.com/knurling-rs/defmt
|
||||
[`flip-link`]: https://github.com/knurling-rs/flip-link
|
||||
|
||||
## Dependencies
|
||||
|
||||
### 1. `flip-link`:
|
||||
|
||||
```bash
|
||||
cargo install flip-link
|
||||
```
|
||||
|
||||
### 2. `probe-rs`:
|
||||
|
||||
Install probe-rs by following the instructions at <https://probe.rs/docs/getting-started/installation/>.
|
||||
|
||||
### 3. [`cargo-generate`]:
|
||||
|
||||
```bash
|
||||
cargo install cargo-generate
|
||||
```
|
||||
|
||||
[`cargo-generate`]: https://crates.io/crates/cargo-generate
|
||||
|
||||
> *Note:* You can also just clone this repository instead of using `cargo-generate`, but this involves additional manual adjustments.
|
||||
|
||||
## Setup
|
||||
|
||||
### 1. Initialize the project template
|
||||
|
||||
```bash
|
||||
cargo generate \
|
||||
--git https://github.com/knurling-rs/app-template \
|
||||
--branch main \
|
||||
--name my-app
|
||||
```
|
||||
|
||||
If you look into your new `my-app` folder, you'll find that there are a few `TODO`s in the files marking the properties you need to set.
|
||||
|
||||
Let's walk through them together now.
|
||||
|
||||
### 2. Set `probe-rs` chip
|
||||
|
||||
Pick a chip from ` probe-rs chip list` and enter it into `.cargo/config.toml`.
|
||||
|
||||
If, for example, you have a nRF52840 Development Kit as used in one of [our exercises], replace `{{chip}}` with `nRF52840_xxAA`.
|
||||
|
||||
[our workshops]: https://rust-exercises.ferrous-systems.com
|
||||
|
||||
```diff
|
||||
# .cargo/config.toml
|
||||
-runner = ["probe-rs", "run", "--chip", "$CHIP", "--log-format=oneline"]
|
||||
+runner = ["probe-rs", "run", "--chip", "nRF52840_xxAA", "--log-format=oneline"]
|
||||
```
|
||||
|
||||
### 3. Adjust the compilation target
|
||||
|
||||
In `.cargo/config.toml`, pick the right compilation target for your board.
|
||||
|
||||
```diff
|
||||
# .cargo/config.toml
|
||||
[build]
|
||||
-target = "thumbv6m-none-eabi" # Cortex-M0 and Cortex-M0+
|
||||
-# target = "thumbv7m-none-eabi" # Cortex-M3
|
||||
-# target = "thumbv7em-none-eabi" # Cortex-M4 and Cortex-M7 (no FPU)
|
||||
-# target = "thumbv7em-none-eabihf" # Cortex-M4F and Cortex-M7F (with FPU)
|
||||
+target = "thumbv7em-none-eabihf" # Cortex-M4F (with FPU)
|
||||
```
|
||||
|
||||
Add the target with `rustup`.
|
||||
|
||||
```bash
|
||||
rustup target add thumbv7em-none-eabihf
|
||||
```
|
||||
|
||||
### 4. Add a HAL as a dependency
|
||||
|
||||
In `Cargo.toml`, list the Hardware Abstraction Layer (HAL) for your board as a dependency.
|
||||
|
||||
For the nRF52840 you'll want to use the [`nrf52840-hal`].
|
||||
|
||||
[`nrf52840-hal`]: https://crates.io/crates/nrf52840-hal
|
||||
|
||||
```diff
|
||||
# Cargo.toml
|
||||
[dependencies]
|
||||
-# some-hal = "1.2.3"
|
||||
+nrf52840-hal = "0.14.0"
|
||||
```
|
||||
|
||||
⚠️ Note for RP2040 users ⚠️
|
||||
|
||||
You will need to not just specify the `rp-hal` HAL, but a BSP (board support crate) which includes a second stage bootloader. Please find a list of available BSPs [here](https://github.com/rp-rs/rp-hal-boards#packages).
|
||||
|
||||
### 5. Import your HAL
|
||||
|
||||
Now that you have selected a HAL, fix the HAL import in `src/lib.rs`
|
||||
|
||||
```diff
|
||||
// my-app/src/lib.rs
|
||||
-// use some_hal as _; // memory layout
|
||||
+use nrf52840_hal as _; // memory layout
|
||||
```
|
||||
|
||||
### (6. Get a linker script)
|
||||
|
||||
Some HAL crates require that you manually copy over a file called `memory.x` from the HAL to the root of your project. For nrf52840-hal, this is done automatically so no action is needed. For other HAL crates, see their documentation on where to find an example file.
|
||||
|
||||
The `memory.x` file should look something like:
|
||||
|
||||
```text
|
||||
MEMORY
|
||||
{
|
||||
FLASH : ORIGIN = 0x00000000, LENGTH = 1024K
|
||||
RAM : ORIGIN = 0x20000000, LENGTH = 256K
|
||||
}
|
||||
```
|
||||
|
||||
The `memory.x` file is included in the `cortex-m-rt` linker script `link.x`, and so `link.x` is the one you should tell `rustc` to use (see the `.cargo/config.toml` file where we do that).
|
||||
|
||||
### 7. Run!
|
||||
|
||||
You are now all set to `cargo-run` your first `defmt`-powered application!
|
||||
There are some examples in the `src/bin` directory.
|
||||
|
||||
Start by `cargo run`-ning `my-app/src/bin/hello.rs`:
|
||||
|
||||
```console
|
||||
$ # `rb` is an alias for `run --bin`
|
||||
$ cargo rb hello
|
||||
Finished `dev` profile [optimized + debuginfo] target(s) in 0.01s
|
||||
Running `probe-rs run --chip nrf52840_xxaa --log-format=oneline target/thumbv6m-none-eabi/debug/hello`
|
||||
Erasing ✔ 100% [####################] 8.00 KiB @ 15.79 KiB/s (took 1s)
|
||||
Programming ✔ 100% [####################] 8.00 KiB @ 13.19 KiB/s (took 1s) Finished in 1.11s
|
||||
Hello, world!
|
||||
|
||||
$ echo $?
|
||||
0
|
||||
```
|
||||
|
||||
If you're running out of memory (`flip-link` bails with an overflow error), you can decrease the size of the device memory buffer by setting the `DEFMT_RTT_BUFFER_SIZE` environment variable. The default value is 1024 bytes, and powers of two should be used for optimal performance:
|
||||
|
||||
```console
|
||||
$ DEFMT_RTT_BUFFER_SIZE=64 cargo rb hello
|
||||
```
|
||||
|
||||
### (8. Set `rust-analyzer.linkedProjects`)
|
||||
|
||||
If you are using [rust-analyzer] with VS Code for IDE-like features you can add following configuration to your `.vscode/settings.json` to make it work transparently across workspaces. Find the details of this option in the [RA docs].
|
||||
|
||||
```json
|
||||
{
|
||||
"rust-analyzer.linkedProjects": [
|
||||
"Cargo.toml",
|
||||
"firmware/Cargo.toml",
|
||||
]
|
||||
}
|
||||
```
|
||||
|
||||
[RA docs]: https://rust-analyzer.github.io/manual.html#configuration
|
||||
[rust-analyzer]: https://rust-analyzer.github.io/
|
||||
|
||||
## Running tests
|
||||
|
||||
The template comes configured for running unit tests and integration tests on the target.
|
||||
|
||||
Unit tests reside in the library crate and can test private API; the initial set of unit tests are in `src/lib.rs`.
|
||||
`cargo test --lib` will run those unit tests.
|
||||
|
||||
```console
|
||||
$ cargo test --lib
|
||||
Compiling example v0.1.0 (./knurling-rs/example)
|
||||
Finished `test` profile [optimized + debuginfo] target(s) in 0.15s
|
||||
Running unittests src/lib.rs (target/thumbv6m-none-eabi/debug/deps/example-2b0d0e25d141bf57)
|
||||
Erasing ✔ 100% [####################] 8.00 KiB @ 15.99 KiB/s (took 1s)
|
||||
Programming ✔ 100% [####################] 8.00 KiB @ 13.33 KiB/s (took 1s) Finished in 1.10s
|
||||
(1/1) running `it_works`...
|
||||
all tests passed!
|
||||
```
|
||||
|
||||
Integration tests reside in the `tests` directory; the initial set of integration tests are in `tests/integration.rs`.
|
||||
`cargo test --test integration` will run those integration tests.
|
||||
Note that the argument of the `--test` flag must match the name of the test file in the `tests` directory.
|
||||
|
||||
```console
|
||||
$ cargo test --test integration
|
||||
Compiling example v0.1.0 (./knurling-rs/example)
|
||||
Finished `test` profile [optimized + debuginfo] target(s) in 0.10s
|
||||
Running tests/integration.rs (target/thumbv6m-none-eabi/debug/deps/integration-aaaff41151f6a722)
|
||||
Erasing ✔ 100% [####################] 8.00 KiB @ 16.03 KiB/s (took 0s)
|
||||
Programming ✔ 100% [####################] 8.00 KiB @ 13.19 KiB/s (took 1s) Finished in 1.11s
|
||||
(1/1) running `it_works`...
|
||||
all tests passed!
|
||||
```
|
||||
|
||||
Note that to add a new test file to the `tests` directory you also need to add a new `[[test]]` section to `Cargo.toml`.
|
||||
|
||||
To run all the tests via `cargo test` the tests need to be explicitly disabled for all the existing binary targets.
|
||||
See `Cargo.toml` for details on how to do this.
|
||||
|
||||
## Support
|
||||
|
||||
`app-template` is part of the [Knurling] project, [Ferrous Systems]' effort at
|
||||
improving tooling used to develop for embedded systems.
|
||||
|
||||
If you think that our work is useful, consider sponsoring it via [GitHub
|
||||
Sponsors].
|
||||
|
||||
## License
|
||||
|
||||
Licensed under either of
|
||||
|
||||
- Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or
|
||||
http://www.apache.org/licenses/LICENSE-2.0)
|
||||
|
||||
- MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
|
||||
|
||||
at your option.
|
||||
|
||||
### Contribution
|
||||
|
||||
Unless you explicitly state otherwise, any contribution intentionally submitted
|
||||
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
|
||||
licensed as above, without any additional terms or conditions.
|
||||
|
||||
[Knurling]: https://knurling.ferrous-systems.com
|
||||
[Ferrous Systems]: https://ferrous-systems.com/
|
||||
[GitHub Sponsors]: https://github.com/sponsors/knurling-rs
|
||||
24
external_led_blinky/src/bin/main.rs
Normal file
24
external_led_blinky/src/bin/main.rs
Normal file
@@ -0,0 +1,24 @@
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_stm32::gpio::{Level, Output, Speed};
|
||||
use embassy_time::{Duration, Timer};
|
||||
use embassy_stm32::init;
|
||||
use embassy_stm32::Config;
|
||||
use panic_halt as _;
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(_spawner: Spawner) {
|
||||
let p = init(Config::default());
|
||||
|
||||
let mut output_pin = Output::new(p.PA3, Level::Low, Speed::Low);
|
||||
let mut _artificial_ground = Output::new(p.PB0, Level::Low, Speed::Low);
|
||||
|
||||
loop {
|
||||
output_pin.set_high();
|
||||
Timer::after(Duration::from_millis(500)).await;
|
||||
// output_pin.set_low();
|
||||
Timer::after(Duration::from_millis(500)).await;
|
||||
}
|
||||
}
|
||||
1
external_led_blinky/src/lib.rs
Normal file
1
external_led_blinky/src/lib.rs
Normal file
@@ -0,0 +1 @@
|
||||
#![no_std]
|
||||
16
external_led_blinky/tests/integration.rs
Normal file
16
external_led_blinky/tests/integration.rs
Normal file
@@ -0,0 +1,16 @@
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
use stm32u5_blinky as _; // memory layout + panic handler
|
||||
|
||||
// See https://crates.io/crates/defmt-test/0.3.0 for more documentation (e.g. about the 'state'
|
||||
// feature)
|
||||
#[defmt_test::tests]
|
||||
mod tests {
|
||||
use defmt::assert;
|
||||
|
||||
#[test]
|
||||
fn it_works() {
|
||||
assert!(true)
|
||||
}
|
||||
}
|
||||
@@ -13,7 +13,7 @@ async fn main(_spawner: Spawner) {
|
||||
let p = init(Config::default());
|
||||
|
||||
// The user LED on NUCLEO-U575ZI-Q is typically on port B, pin 0 (verify silkscreen)
|
||||
let mut led = Output::new(p.PB0, Level::Low, Speed::Low);
|
||||
let mut led = Output::new(p.PB14, Level::Low, Speed::Low);
|
||||
|
||||
loop {
|
||||
led.set_high();
|
||||
|
||||
19
semestralka_2/.cargo/config.toml
Normal file
19
semestralka_2/.cargo/config.toml
Normal file
@@ -0,0 +1,19 @@
|
||||
[build]
|
||||
target = "thumbv8m.main-none-eabihf"
|
||||
|
||||
[target.thumbv8m.main-none-eabihf]
|
||||
runner = "probe-rs run --chip STM32U575ZITxQ"
|
||||
|
||||
rustflags = [
|
||||
"-C", "linker=rust-lld",
|
||||
"-C", "link-arg=-Tlink.x",
|
||||
"-C", "link-arg=-Tdefmt.x",
|
||||
"-C", "link-arg=--nmagic",
|
||||
]
|
||||
|
||||
[package.metadata.cargo-flash]
|
||||
chip = "STM32U575ZIT"
|
||||
|
||||
[env]
|
||||
CC_thumbv8m_main_none_eabihf = "arm-none-eabi-gcc"
|
||||
AR_thumbv8m_main_none_eabihf = "arm-none-eabi-ar"
|
||||
1
semestralka_2/.gitignore
vendored
Normal file
1
semestralka_2/.gitignore
vendored
Normal file
@@ -0,0 +1 @@
|
||||
/target
|
||||
1458
semestralka_2/Cargo.lock
generated
Normal file
1458
semestralka_2/Cargo.lock
generated
Normal file
File diff suppressed because it is too large
Load Diff
49
semestralka_2/Cargo.toml
Normal file
49
semestralka_2/Cargo.toml
Normal file
@@ -0,0 +1,49 @@
|
||||
[package]
|
||||
authors = ["Priec <filippriec@gmail.com>"]
|
||||
name = "dma_gpio"
|
||||
edition = "2024"
|
||||
version = "0.1.0"
|
||||
|
||||
|
||||
[dependencies]
|
||||
cortex-m = { version = "0.7.7", features = ["inline-asm", "critical-section-single-core"] }
|
||||
cortex-m-rt = "0.7.5"
|
||||
panic-halt = "1.0.0"
|
||||
|
||||
embassy-executor = { git = "https://github.com/embassy-rs/embassy.git", branch = "main", features = ["arch-cortex-m", "executor-thread"] }
|
||||
embassy-futures = { git = "https://github.com/embassy-rs/embassy.git", branch = "main" }
|
||||
embassy-sync = { git = "https://github.com/embassy-rs/embassy.git", branch = "main" }
|
||||
embassy-time = { git = "https://github.com/embassy-rs/embassy.git", branch = "main", features = ["tick-hz-32_768"] }
|
||||
embassy-hal-internal = { git = "https://github.com/embassy-rs/embassy.git", branch = "main" }
|
||||
embassy-usb = { git = "https://github.com/embassy-rs/embassy.git", branch = "main" }
|
||||
embassy-stm32 = { git = "https://github.com/embassy-rs/embassy.git", branch = "main", features = ["unstable-pac", "stm32u575zi", "time-driver-tim2", "memory-x", "defmt"] }
|
||||
|
||||
embedded-hal = "1.0.0"
|
||||
embedded-graphics = "0.8.1"
|
||||
heapless = { version = "0.9.1", default-features = false }
|
||||
micromath = "2.1.0"
|
||||
tinybmp = "0.6.0"
|
||||
panic-probe = { version = "1.0.0", features = ["defmt"] }
|
||||
defmt-rtt = "1.1.0"
|
||||
defmt = "1.0.1"
|
||||
static_cell = "2.1.1"
|
||||
embedded-io = "0.6.1"
|
||||
embedded-io-async = "0.6.1"
|
||||
|
||||
[dev-dependencies]
|
||||
defmt-test = "0.4.0"
|
||||
|
||||
[build-dependencies]
|
||||
cc = "1.2.48"
|
||||
|
||||
[[test]]
|
||||
name = "uart_emulation"
|
||||
harness = false
|
||||
|
||||
[lib]
|
||||
test = false
|
||||
|
||||
[[bin]]
|
||||
name = "main"
|
||||
path = "src/bin/main.rs"
|
||||
test = false
|
||||
201
semestralka_2/LICENSE-APACHE
Normal file
201
semestralka_2/LICENSE-APACHE
Normal file
@@ -0,0 +1,201 @@
|
||||
Apache License
|
||||
Version 2.0, January 2004
|
||||
http://www.apache.org/licenses/
|
||||
|
||||
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||
|
||||
1. Definitions.
|
||||
|
||||
"License" shall mean the terms and conditions for use, reproduction,
|
||||
and distribution as defined by Sections 1 through 9 of this document.
|
||||
|
||||
"Licensor" shall mean the copyright owner or entity authorized by
|
||||
the copyright owner that is granting the License.
|
||||
|
||||
"Legal Entity" shall mean the union of the acting entity and all
|
||||
other entities that control, are controlled by, or are under common
|
||||
control with that entity. For the purposes of this definition,
|
||||
"control" means (i) the power, direct or indirect, to cause the
|
||||
direction or management of such entity, whether by contract or
|
||||
otherwise, or (ii) ownership of fifty percent (50%) or more of the
|
||||
outstanding shares, or (iii) beneficial ownership of such entity.
|
||||
|
||||
"You" (or "Your") shall mean an individual or Legal Entity
|
||||
exercising permissions granted by this License.
|
||||
|
||||
"Source" form shall mean the preferred form for making modifications,
|
||||
including but not limited to software source code, documentation
|
||||
source, and configuration files.
|
||||
|
||||
"Object" form shall mean any form resulting from mechanical
|
||||
transformation or translation of a Source form, including but
|
||||
not limited to compiled object code, generated documentation,
|
||||
and conversions to other media types.
|
||||
|
||||
"Work" shall mean the work of authorship, whether in Source or
|
||||
Object form, made available under the License, as indicated by a
|
||||
copyright notice that is included in or attached to the work
|
||||
(an example is provided in the Appendix below).
|
||||
|
||||
"Derivative Works" shall mean any work, whether in Source or Object
|
||||
form, that is based on (or derived from) the Work and for which the
|
||||
editorial revisions, annotations, elaborations, or other modifications
|
||||
represent, as a whole, an original work of authorship. For the purposes
|
||||
of this License, Derivative Works shall not include works that remain
|
||||
separable from, or merely link (or bind by name) to the interfaces of,
|
||||
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|
||||
|
||||
"Contribution" shall mean any work of authorship, including
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||||
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|
||||
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|
||||
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|
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|
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|
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|
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|
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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||||
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|
||||
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||||
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|
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||||
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|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
APPENDIX: How to apply the Apache License to your work.
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|
||||
To apply the Apache License to your work, attach the following
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boilerplate notice, with the fields enclosed by brackets "[]"
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||||
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||||
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||||
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||||
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||||
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||||
Copyright [yyyy] [name of copyright owner]
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||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
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||||
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||||
|
||||
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|
||||
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||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
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||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
23
semestralka_2/LICENSE-MIT
Normal file
23
semestralka_2/LICENSE-MIT
Normal file
@@ -0,0 +1,23 @@
|
||||
Permission is hereby granted, free of charge, to any
|
||||
person obtaining a copy of this software and associated
|
||||
documentation files (the "Software"), to deal in the
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||||
Software without restriction, including without
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||||
limitation the rights to use, copy, modify, merge,
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||||
publish, distribute, sublicense, and/or sell copies of
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||||
the Software, and to permit persons to whom the Software
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||||
is furnished to do so, subject to the following
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conditions:
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||||
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||||
The above copyright notice and this permission notice
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||||
shall be included in all copies or substantial portions
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||||
of the Software.
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||||
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||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
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||||
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
|
||||
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
|
||||
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
|
||||
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
|
||||
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
DEALINGS IN THE SOFTWARE.
|
||||
23
semestralka_2/Makefile
Normal file
23
semestralka_2/Makefile
Normal file
@@ -0,0 +1,23 @@
|
||||
TARGET = thumbv8m.main-none-eabihf
|
||||
CHIP = STM32U575ZI
|
||||
BIN = stm32u5-blinky
|
||||
MODE ?= release
|
||||
TARGET_DIR = target/$(TARGET)/$(MODE)
|
||||
ELF = $(TARGET_DIR)/$(BIN)
|
||||
PROBE = probe-rs
|
||||
|
||||
.PHONY: all build flash clean empty
|
||||
|
||||
all: build
|
||||
|
||||
build:
|
||||
cargo build --$(MODE)
|
||||
|
||||
flash: build
|
||||
$(PROBE) run --chip $(CHIP) $(ELF)
|
||||
|
||||
empty:
|
||||
$(PROBE) erase --chip $(CHIP)
|
||||
|
||||
clean:
|
||||
cargo clean
|
||||
232
semestralka_2/README.md
Normal file
232
semestralka_2/README.md
Normal file
@@ -0,0 +1,232 @@
|
||||
# `app-template`
|
||||
|
||||
> Quickly set up a [`probe-rs`] + [`defmt`] + [`flip-link`] embedded project
|
||||
|
||||
[`probe-rs`]: https://crates.io/crates/probe-rs
|
||||
[`defmt`]: https://github.com/knurling-rs/defmt
|
||||
[`flip-link`]: https://github.com/knurling-rs/flip-link
|
||||
|
||||
## Dependencies
|
||||
|
||||
### 1. `flip-link`:
|
||||
|
||||
```bash
|
||||
cargo install flip-link
|
||||
```
|
||||
|
||||
### 2. `probe-rs`:
|
||||
|
||||
Install probe-rs by following the instructions at <https://probe.rs/docs/getting-started/installation/>.
|
||||
|
||||
### 3. [`cargo-generate`]:
|
||||
|
||||
```bash
|
||||
cargo install cargo-generate
|
||||
```
|
||||
|
||||
[`cargo-generate`]: https://crates.io/crates/cargo-generate
|
||||
|
||||
> *Note:* You can also just clone this repository instead of using `cargo-generate`, but this involves additional manual adjustments.
|
||||
|
||||
## Setup
|
||||
|
||||
### 1. Initialize the project template
|
||||
|
||||
```bash
|
||||
cargo generate \
|
||||
--git https://github.com/knurling-rs/app-template \
|
||||
--branch main \
|
||||
--name my-app
|
||||
```
|
||||
|
||||
If you look into your new `my-app` folder, you'll find that there are a few `TODO`s in the files marking the properties you need to set.
|
||||
|
||||
Let's walk through them together now.
|
||||
|
||||
### 2. Set `probe-rs` chip
|
||||
|
||||
Pick a chip from ` probe-rs chip list` and enter it into `.cargo/config.toml`.
|
||||
|
||||
If, for example, you have a nRF52840 Development Kit as used in one of [our exercises], replace `{{chip}}` with `nRF52840_xxAA`.
|
||||
|
||||
[our workshops]: https://rust-exercises.ferrous-systems.com
|
||||
|
||||
```diff
|
||||
# .cargo/config.toml
|
||||
-runner = ["probe-rs", "run", "--chip", "$CHIP", "--log-format=oneline"]
|
||||
+runner = ["probe-rs", "run", "--chip", "nRF52840_xxAA", "--log-format=oneline"]
|
||||
```
|
||||
|
||||
### 3. Adjust the compilation target
|
||||
|
||||
In `.cargo/config.toml`, pick the right compilation target for your board.
|
||||
|
||||
```diff
|
||||
# .cargo/config.toml
|
||||
[build]
|
||||
-target = "thumbv6m-none-eabi" # Cortex-M0 and Cortex-M0+
|
||||
-# target = "thumbv7m-none-eabi" # Cortex-M3
|
||||
-# target = "thumbv7em-none-eabi" # Cortex-M4 and Cortex-M7 (no FPU)
|
||||
-# target = "thumbv7em-none-eabihf" # Cortex-M4F and Cortex-M7F (with FPU)
|
||||
+target = "thumbv7em-none-eabihf" # Cortex-M4F (with FPU)
|
||||
```
|
||||
|
||||
Add the target with `rustup`.
|
||||
|
||||
```bash
|
||||
rustup target add thumbv7em-none-eabihf
|
||||
```
|
||||
|
||||
### 4. Add a HAL as a dependency
|
||||
|
||||
In `Cargo.toml`, list the Hardware Abstraction Layer (HAL) for your board as a dependency.
|
||||
|
||||
For the nRF52840 you'll want to use the [`nrf52840-hal`].
|
||||
|
||||
[`nrf52840-hal`]: https://crates.io/crates/nrf52840-hal
|
||||
|
||||
```diff
|
||||
# Cargo.toml
|
||||
[dependencies]
|
||||
-# some-hal = "1.2.3"
|
||||
+nrf52840-hal = "0.14.0"
|
||||
```
|
||||
|
||||
⚠️ Note for RP2040 users ⚠️
|
||||
|
||||
You will need to not just specify the `rp-hal` HAL, but a BSP (board support crate) which includes a second stage bootloader. Please find a list of available BSPs [here](https://github.com/rp-rs/rp-hal-boards#packages).
|
||||
|
||||
### 5. Import your HAL
|
||||
|
||||
Now that you have selected a HAL, fix the HAL import in `src/lib.rs`
|
||||
|
||||
```diff
|
||||
// my-app/src/lib.rs
|
||||
-// use some_hal as _; // memory layout
|
||||
+use nrf52840_hal as _; // memory layout
|
||||
```
|
||||
|
||||
### (6. Get a linker script)
|
||||
|
||||
Some HAL crates require that you manually copy over a file called `memory.x` from the HAL to the root of your project. For nrf52840-hal, this is done automatically so no action is needed. For other HAL crates, see their documentation on where to find an example file.
|
||||
|
||||
The `memory.x` file should look something like:
|
||||
|
||||
```text
|
||||
MEMORY
|
||||
{
|
||||
FLASH : ORIGIN = 0x00000000, LENGTH = 1024K
|
||||
RAM : ORIGIN = 0x20000000, LENGTH = 256K
|
||||
}
|
||||
```
|
||||
|
||||
The `memory.x` file is included in the `cortex-m-rt` linker script `link.x`, and so `link.x` is the one you should tell `rustc` to use (see the `.cargo/config.toml` file where we do that).
|
||||
|
||||
### 7. Run!
|
||||
|
||||
You are now all set to `cargo-run` your first `defmt`-powered application!
|
||||
There are some examples in the `src/bin` directory.
|
||||
|
||||
Start by `cargo run`-ning `my-app/src/bin/hello.rs`:
|
||||
|
||||
```console
|
||||
$ # `rb` is an alias for `run --bin`
|
||||
$ cargo rb hello
|
||||
Finished `dev` profile [optimized + debuginfo] target(s) in 0.01s
|
||||
Running `probe-rs run --chip nrf52840_xxaa --log-format=oneline target/thumbv6m-none-eabi/debug/hello`
|
||||
Erasing ✔ 100% [####################] 8.00 KiB @ 15.79 KiB/s (took 1s)
|
||||
Programming ✔ 100% [####################] 8.00 KiB @ 13.19 KiB/s (took 1s) Finished in 1.11s
|
||||
Hello, world!
|
||||
|
||||
$ echo $?
|
||||
0
|
||||
```
|
||||
|
||||
If you're running out of memory (`flip-link` bails with an overflow error), you can decrease the size of the device memory buffer by setting the `DEFMT_RTT_BUFFER_SIZE` environment variable. The default value is 1024 bytes, and powers of two should be used for optimal performance:
|
||||
|
||||
```console
|
||||
$ DEFMT_RTT_BUFFER_SIZE=64 cargo rb hello
|
||||
```
|
||||
|
||||
### (8. Set `rust-analyzer.linkedProjects`)
|
||||
|
||||
If you are using [rust-analyzer] with VS Code for IDE-like features you can add following configuration to your `.vscode/settings.json` to make it work transparently across workspaces. Find the details of this option in the [RA docs].
|
||||
|
||||
```json
|
||||
{
|
||||
"rust-analyzer.linkedProjects": [
|
||||
"Cargo.toml",
|
||||
"firmware/Cargo.toml",
|
||||
]
|
||||
}
|
||||
```
|
||||
|
||||
[RA docs]: https://rust-analyzer.github.io/manual.html#configuration
|
||||
[rust-analyzer]: https://rust-analyzer.github.io/
|
||||
|
||||
## Running tests
|
||||
|
||||
The template comes configured for running unit tests and integration tests on the target.
|
||||
|
||||
Unit tests reside in the library crate and can test private API; the initial set of unit tests are in `src/lib.rs`.
|
||||
`cargo test --lib` will run those unit tests.
|
||||
|
||||
```console
|
||||
$ cargo test --lib
|
||||
Compiling example v0.1.0 (./knurling-rs/example)
|
||||
Finished `test` profile [optimized + debuginfo] target(s) in 0.15s
|
||||
Running unittests src/lib.rs (target/thumbv6m-none-eabi/debug/deps/example-2b0d0e25d141bf57)
|
||||
Erasing ✔ 100% [####################] 8.00 KiB @ 15.99 KiB/s (took 1s)
|
||||
Programming ✔ 100% [####################] 8.00 KiB @ 13.33 KiB/s (took 1s) Finished in 1.10s
|
||||
(1/1) running `it_works`...
|
||||
all tests passed!
|
||||
```
|
||||
|
||||
Integration tests reside in the `tests` directory; the initial set of integration tests are in `tests/integration.rs`.
|
||||
`cargo test --test integration` will run those integration tests.
|
||||
Note that the argument of the `--test` flag must match the name of the test file in the `tests` directory.
|
||||
|
||||
```console
|
||||
$ cargo test --test integration
|
||||
Compiling example v0.1.0 (./knurling-rs/example)
|
||||
Finished `test` profile [optimized + debuginfo] target(s) in 0.10s
|
||||
Running tests/integration.rs (target/thumbv6m-none-eabi/debug/deps/integration-aaaff41151f6a722)
|
||||
Erasing ✔ 100% [####################] 8.00 KiB @ 16.03 KiB/s (took 0s)
|
||||
Programming ✔ 100% [####################] 8.00 KiB @ 13.19 KiB/s (took 1s) Finished in 1.11s
|
||||
(1/1) running `it_works`...
|
||||
all tests passed!
|
||||
```
|
||||
|
||||
Note that to add a new test file to the `tests` directory you also need to add a new `[[test]]` section to `Cargo.toml`.
|
||||
|
||||
To run all the tests via `cargo test` the tests need to be explicitly disabled for all the existing binary targets.
|
||||
See `Cargo.toml` for details on how to do this.
|
||||
|
||||
## Support
|
||||
|
||||
`app-template` is part of the [Knurling] project, [Ferrous Systems]' effort at
|
||||
improving tooling used to develop for embedded systems.
|
||||
|
||||
If you think that our work is useful, consider sponsoring it via [GitHub
|
||||
Sponsors].
|
||||
|
||||
## License
|
||||
|
||||
Licensed under either of
|
||||
|
||||
- Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or
|
||||
http://www.apache.org/licenses/LICENSE-2.0)
|
||||
|
||||
- MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
|
||||
|
||||
at your option.
|
||||
|
||||
### Contribution
|
||||
|
||||
Unless you explicitly state otherwise, any contribution intentionally submitted
|
||||
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
|
||||
licensed as above, without any additional terms or conditions.
|
||||
|
||||
[Knurling]: https://knurling.ferrous-systems.com
|
||||
[Ferrous Systems]: https://ferrous-systems.com/
|
||||
[GitHub Sponsors]: https://github.com/sponsors/knurling-rs
|
||||
57
semestralka_2/build.rs
Normal file
57
semestralka_2/build.rs
Normal file
@@ -0,0 +1,57 @@
|
||||
// build.rs
|
||||
|
||||
use std::env;
|
||||
use std::path::PathBuf;
|
||||
|
||||
fn main() {
|
||||
let cube_path = PathBuf::from("/home/priec/programs/STM32CubeU5");
|
||||
|
||||
let hal_driver = cube_path.join("Drivers/STM32U5xx_HAL_Driver");
|
||||
let cmsis = cube_path.join("Drivers/CMSIS");
|
||||
let device = cmsis.join("Device/ST/STM32U5xx");
|
||||
let example_inc = cube_path.join("Projects/NUCLEO-U575ZI-Q/Examples/GPIO/GPIO_IOToggle/Inc");
|
||||
|
||||
// HAL source files
|
||||
let hal_srcs = [
|
||||
"stm32u5xx_hal.c",
|
||||
"stm32u5xx_hal_rcc.c",
|
||||
"stm32u5xx_hal_rcc_ex.c",
|
||||
"stm32u5xx_hal_pwr.c",
|
||||
"stm32u5xx_hal_pwr_ex.c",
|
||||
"stm32u5xx_hal_gpio.c",
|
||||
"stm32u5xx_hal_cortex.c",
|
||||
"stm32u5xx_hal_flash.c",
|
||||
"stm32u5xx_hal_flash_ex.c",
|
||||
"stm32u5xx_hal_icache.c",
|
||||
"stm32u5xx_hal_ramcfg.c",
|
||||
"stm32u5xx_hal_rtc.c",
|
||||
"stm32u5xx_hal_rtc_ex.c",
|
||||
"stm32u5xx_hal_iwdg.c",
|
||||
];
|
||||
|
||||
let mut build = cc::Build::new();
|
||||
|
||||
// system_stm32u5xx.c adds SystemCoreClock, tables, etc.
|
||||
build.file(device.join("Source/Templates/system_stm32u5xx.c"));
|
||||
for src in hal_srcs {
|
||||
build.file(hal_driver.join("Src").join(src));
|
||||
}
|
||||
|
||||
build
|
||||
.include(hal_driver.join("Inc"))
|
||||
.include(device.join("Include"))
|
||||
.include(cmsis.join("Core/Include"))
|
||||
.include(&example_inc)
|
||||
.define("USE_HAL_DRIVER", None)
|
||||
.define("STM32U575xx", None)
|
||||
.define("HAL_IWDG_MODULE_ENABLED", None)
|
||||
.flag("-mthumb")
|
||||
.flag("-march=armv8-m.main+fp.dp")
|
||||
.flag("-mfloat-abi=hard")
|
||||
.warnings(false)
|
||||
.compile("stm32u5_hal");
|
||||
|
||||
println!("cargo:rerun-if-changed=build.rs");
|
||||
println!("cargo:rerun-if-changed={}", hal_driver.display());
|
||||
println!("cargo:rerun-if-changed={}", example_inc.display());
|
||||
}
|
||||
79
semestralka_2/src/bin/main.rs
Normal file
79
semestralka_2/src/bin/main.rs
Normal file
@@ -0,0 +1,79 @@
|
||||
// src/bin/main.rs
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
use defmt::*;
|
||||
use embassy_stm32::pac;
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_futures::yield_now;
|
||||
use embassy_stm32::bind_interrupts;
|
||||
use embassy_stm32::peripherals;
|
||||
use embassy_stm32::Config;
|
||||
use embassy_stm32::usart::{BufferedUart, Config as UsartConfig, BufferedInterruptHandler};
|
||||
use embassy_stm32::gpio::{Output, Level, Speed};
|
||||
use embassy_time::{Duration, Timer};
|
||||
|
||||
use static_cell::StaticCell;
|
||||
use dma_gpio::config::{
|
||||
BAUD, PIPE_HW_RX, PIPE_HW_TX,
|
||||
};
|
||||
use dma_gpio::hw_uart_pc::{driver::uart_task, usart1};
|
||||
use dma_gpio::wakeup::iwdg::{clear_wakeup_flags, init_watchdog};
|
||||
use dma_gpio::sleep::shutdown::enter_shutdown;
|
||||
use dma_gpio::sleep::standby;
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
bind_interrupts!(struct Irqs {
|
||||
USART1 => BufferedInterruptHandler<peripherals::USART1>;
|
||||
});
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(spawner: Spawner) {
|
||||
info!("boot");
|
||||
let p = embassy_stm32::init(Config::default());
|
||||
let mut led = Output::new(p.PA3, Level::Low, Speed::Low);
|
||||
let _led_ground = Output::new(p.PB0, Level::Low, Speed::Low);
|
||||
info!("init m8");
|
||||
|
||||
clear_wakeup_flags();
|
||||
|
||||
led.set_high();
|
||||
info!("LED ON (MCU awake)");
|
||||
|
||||
// HARDWARE UART to the PC
|
||||
let mut cfg = UsartConfig::default();
|
||||
cfg.baudrate = BAUD;
|
||||
static TX_BUF: StaticCell<[u8; 256]> = StaticCell::new();
|
||||
static RX_BUF: StaticCell<[u8; 256]> = StaticCell::new();
|
||||
let uart = BufferedUart::new(
|
||||
p.USART1,
|
||||
p.PA10, // RX pin
|
||||
p.PA9, // TX pin
|
||||
TX_BUF.init([0; 256]),
|
||||
RX_BUF.init([0; 256]),
|
||||
Irqs,
|
||||
cfg,
|
||||
).unwrap();
|
||||
// let yield_period = usart1::setup_and_spawn(BAUD);
|
||||
spawner.spawn(uart_task(uart, &PIPE_HW_TX, &PIPE_HW_RX).unwrap());
|
||||
// END OF HARDWARE UART to the PC
|
||||
|
||||
let dbg = pac::DBGMCU;
|
||||
let cr = dbg.cr().read();
|
||||
info!("DBGMCU CR: dbg_stop={}, dbg_standby={}", cr.dbg_stop(), cr.dbg_standby());
|
||||
|
||||
// MAIN LOOP
|
||||
Timer::after(Duration::from_millis(500)).await;
|
||||
|
||||
init_watchdog(p.IWDG).await;
|
||||
Timer::after(Duration::from_millis(10)).await;
|
||||
|
||||
loop {
|
||||
info!("entering shutdown");
|
||||
// enter_shutdown();
|
||||
info!("shutdown");
|
||||
standby::enter_standby_with_sram2_full();
|
||||
cortex_m::asm::wfi();
|
||||
yield_now().await;
|
||||
}
|
||||
}
|
||||
12
semestralka_2/src/config.rs
Normal file
12
semestralka_2/src/config.rs
Normal file
@@ -0,0 +1,12 @@
|
||||
// src/config.rs
|
||||
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
|
||||
use embassy_sync::pipe::Pipe;
|
||||
|
||||
pub const BAUD: u32 = 9_600;
|
||||
pub const PIPE_HW_TX_SIZE: usize = 1024;
|
||||
pub const PIPE_HW_RX_SIZE: usize = 1024;
|
||||
|
||||
pub const WATCHDOG_TIMEOUT_US: u32 = 2_000_000; // 2 seconds
|
||||
|
||||
pub static PIPE_HW_TX: Pipe<CriticalSectionRawMutex, PIPE_HW_TX_SIZE> = Pipe::new();
|
||||
pub static PIPE_HW_RX: Pipe<CriticalSectionRawMutex, PIPE_HW_RX_SIZE> = Pipe::new();
|
||||
41
semestralka_2/src/hw_uart_pc/driver.rs
Normal file
41
semestralka_2/src/hw_uart_pc/driver.rs
Normal file
@@ -0,0 +1,41 @@
|
||||
// src/hw_uart_pc/driver.rs
|
||||
use defmt::unwrap;
|
||||
use embassy_futures::select::{select, Either};
|
||||
use embassy_stm32::usart::BufferedUart;
|
||||
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
|
||||
use embassy_sync::pipe::Pipe;
|
||||
use embedded_io_async::{Read, Write};
|
||||
use crate::hw_uart_pc::safety::{RX_PIPE_CAP, TX_PIPE_CAP};
|
||||
use embassy_futures::yield_now;
|
||||
|
||||
#[embassy_executor::task]
|
||||
pub async fn uart_task(
|
||||
mut uart: BufferedUart<'static>,
|
||||
tx_pipe: &'static Pipe<CriticalSectionRawMutex, TX_PIPE_CAP>,
|
||||
rx_pipe: &'static Pipe<CriticalSectionRawMutex, RX_PIPE_CAP>,
|
||||
) {
|
||||
let mut rx_byte = [0u8; 1];
|
||||
let mut tx_buf = [0u8; 64];
|
||||
|
||||
loop {
|
||||
let rx_fut = uart.read(&mut rx_byte);
|
||||
let tx_fut = async {
|
||||
let n = tx_pipe.read(&mut tx_buf).await;
|
||||
n
|
||||
};
|
||||
|
||||
match select(rx_fut, tx_fut).await {
|
||||
// Incoming data from UART hardware
|
||||
Either::First(res) => {
|
||||
if let Ok(_) = res {
|
||||
let _ = rx_pipe.write(&rx_byte).await;
|
||||
}
|
||||
}
|
||||
// Outgoing data waiting in TX pipe
|
||||
Either::Second(n) => {
|
||||
unwrap!(uart.write(&tx_buf[..n]).await);
|
||||
}
|
||||
}
|
||||
yield_now().await;
|
||||
}
|
||||
}
|
||||
4
semestralka_2/src/hw_uart_pc/mod.rs
Normal file
4
semestralka_2/src/hw_uart_pc/mod.rs
Normal file
@@ -0,0 +1,4 @@
|
||||
// src/hw_uart_pc/mod.rs
|
||||
pub mod driver;
|
||||
pub mod usart1;
|
||||
pub mod safety;
|
||||
57
semestralka_2/src/hw_uart_pc/safety.rs
Normal file
57
semestralka_2/src/hw_uart_pc/safety.rs
Normal file
@@ -0,0 +1,57 @@
|
||||
// src/safety.rs
|
||||
use defmt::info;
|
||||
use embassy_time::Duration;
|
||||
|
||||
// ISR RX ring capacity = RX_BUF len
|
||||
const ISR_RX_BUF_CAP: usize = 256;
|
||||
// Yield 1/2 the time it takes to fill ISR RX ring.
|
||||
const YIELD_MARGIN_NUM: u32 = 1;
|
||||
const YIELD_MARGIN_DEN: u32 = 2;
|
||||
// Ensure RX_PIPE_CAP can hold this.
|
||||
const WORST_MAIN_LATENCY_MS: u32 = 20;
|
||||
|
||||
pub const TX_PIPE_CAP: usize = 1024;
|
||||
pub const RX_PIPE_CAP: usize = 1024;
|
||||
|
||||
|
||||
|
||||
/// Perform safety checks and compute yield timing to avoid buffer overflow.
|
||||
///
|
||||
/// # Panics
|
||||
/// Panics if pipe capacities are too small for the configured baud.
|
||||
pub fn preflight_and_suggest_yield_period(baud: u32) -> Duration {
|
||||
// Approx bytes per second for 8N1 (10 bits per byte on the wire)
|
||||
let bytes_per_sec = (baud / 10).max(1);
|
||||
|
||||
// Time until ISR RX ring fills, in microseconds.
|
||||
let t_fill_us = (ISR_RX_BUF_CAP as u64) * 1_000_000u64 / (bytes_per_sec as u64);
|
||||
|
||||
// Choose a yield period as a fraction of t_fill.
|
||||
let yield_us = (t_fill_us as u64)
|
||||
.saturating_mul(YIELD_MARGIN_NUM as u64)
|
||||
/ (YIELD_MARGIN_DEN as u64);
|
||||
|
||||
// Verify RX pipe can absorb a worst-case app latency so uart_task
|
||||
// can always forward without dropping when it runs.
|
||||
let required_rx_pipe = (bytes_per_sec as u64) * (WORST_MAIN_LATENCY_MS as u64) / 1000;
|
||||
|
||||
if (RX_PIPE_CAP as u64) < required_rx_pipe {
|
||||
core::panic!(
|
||||
"RX pipe too small: have {}B, need >= {}B for {}ms at {} bps",
|
||||
RX_PIPE_CAP, required_rx_pipe, WORST_MAIN_LATENCY_MS, baud
|
||||
);
|
||||
}
|
||||
|
||||
info!(
|
||||
"Preflight: baud={}, rx_isr={}B, rx_pipe={}B, bytes/s={}, t_fill_us={}, yield_us={}",
|
||||
baud,
|
||||
ISR_RX_BUF_CAP,
|
||||
RX_PIPE_CAP,
|
||||
bytes_per_sec,
|
||||
t_fill_us,
|
||||
yield_us
|
||||
);
|
||||
|
||||
// Never choose zero.
|
||||
Duration::from_micros(yield_us.max(1) as u64)
|
||||
}
|
||||
12
semestralka_2/src/hw_uart_pc/usart1.rs
Normal file
12
semestralka_2/src/hw_uart_pc/usart1.rs
Normal file
@@ -0,0 +1,12 @@
|
||||
// src/uart/usart1.rs
|
||||
use defmt::info;
|
||||
use embassy_time::Duration;
|
||||
|
||||
use crate::hw_uart_pc::safety::preflight_and_suggest_yield_period;
|
||||
|
||||
pub fn setup_and_spawn(baudrate: u32,) -> Duration {
|
||||
let yield_period: Duration = preflight_and_suggest_yield_period(baudrate);
|
||||
info!("HW USART1 safe");
|
||||
|
||||
yield_period
|
||||
}
|
||||
8
semestralka_2/src/lib.rs
Normal file
8
semestralka_2/src/lib.rs
Normal file
@@ -0,0 +1,8 @@
|
||||
#![no_std]
|
||||
|
||||
// pub mod low_power;
|
||||
// pub use low_power::*;
|
||||
pub mod hw_uart_pc;
|
||||
pub mod config;
|
||||
pub mod sleep;
|
||||
pub mod wakeup;
|
||||
4
semestralka_2/src/sleep/mod.rs
Normal file
4
semestralka_2/src/sleep/mod.rs
Normal file
@@ -0,0 +1,4 @@
|
||||
// src/sleep/mod.rs
|
||||
|
||||
pub mod standby;
|
||||
pub mod shutdown;
|
||||
13
semestralka_2/src/sleep/shutdown.rs
Normal file
13
semestralka_2/src/sleep/shutdown.rs
Normal file
@@ -0,0 +1,13 @@
|
||||
// src/sleep/standby.rs
|
||||
|
||||
pub fn enter_shutdown() -> ! {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_EnterSHUTDOWNMode();
|
||||
}
|
||||
|
||||
unsafe {
|
||||
HAL_PWREx_EnterSHUTDOWNMode();
|
||||
}
|
||||
|
||||
cortex_m::asm::udf(); //panic
|
||||
}
|
||||
58
semestralka_2/src/sleep/standby.rs
Normal file
58
semestralka_2/src/sleep/standby.rs
Normal file
@@ -0,0 +1,58 @@
|
||||
// src/sleep/standby.rs
|
||||
|
||||
pub fn enter_standby() -> ! {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWR_EnterSTANDBYMode();
|
||||
}
|
||||
|
||||
unsafe {
|
||||
HAL_PWR_EnterSTANDBYMode();
|
||||
}
|
||||
|
||||
cortex_m::asm::udf(); // never happen marker
|
||||
}
|
||||
|
||||
pub fn enter_standby_with_sram2_8kb() -> ! {
|
||||
sram2_8kb_retention();
|
||||
enter_standby();
|
||||
}
|
||||
|
||||
pub fn enter_standby_with_sram2_full() -> ! {
|
||||
sram2_full_retention();
|
||||
enter_standby();
|
||||
}
|
||||
|
||||
pub fn sram2_full_retention() {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_EnableSRAM2ContentStandbyRetention(sram2_pages: u32);
|
||||
}
|
||||
|
||||
unsafe {
|
||||
// 0x60 = PWR_SRAM2_FULL_STANDBY = PWR_CR1_RRSB1 | PWR_CR1_RRSB2
|
||||
// See: STM32U5xx HAL: stm32u5xx_hal_pwr_ex.h line 227
|
||||
// PWR_CR1_RRSB1=0x20, PWR_CR1_RRSB2=0x40
|
||||
HAL_PWREx_EnableSRAM2ContentStandbyRetention(0x60);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn sram2_8kb_retention() {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_EnableSRAM2ContentStandbyRetention(sram2_pages: u32);
|
||||
}
|
||||
|
||||
unsafe {
|
||||
// 0x40 = PWR_SRAM2_PAGE1_STANDBY = PWR_CR1_RRSB2
|
||||
// 8KB retention only
|
||||
HAL_PWREx_EnableSRAM2ContentStandbyRetention(0x40);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn disable_sram2_full_retention() {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_DisableSRAM2ContentStandbyRetention(sram2_pages: u32);
|
||||
}
|
||||
|
||||
unsafe {
|
||||
HAL_PWREx_DisableSRAM2ContentStandbyRetention(0x60);
|
||||
}
|
||||
}
|
||||
50
semestralka_2/src/wakeup/iwdg.rs
Normal file
50
semestralka_2/src/wakeup/iwdg.rs
Normal file
@@ -0,0 +1,50 @@
|
||||
// src/wakeup/iwdg.rs
|
||||
|
||||
use defmt::info;
|
||||
use embassy_stm32::peripherals;
|
||||
use embassy_stm32::wdg::IndependentWatchdog;
|
||||
use embassy_stm32::Peri;
|
||||
use embassy_time::{Duration, Timer};
|
||||
use embassy_stm32::pac;
|
||||
use crate::sleep::standby;
|
||||
|
||||
use crate::config::WATCHDOG_TIMEOUT_US;
|
||||
|
||||
/// Clears system reset and standby flags after wakeup.
|
||||
///
|
||||
/// Call early in startup to:
|
||||
/// - Clear reset flags by setting `RMVF` in `RCC_CSR`.
|
||||
/// - If `SBF` in `PWR_SR` is set (woke from Standby), clear it.
|
||||
///
|
||||
/// # Registers
|
||||
/// - `RCC_CSR` — Reset and Clock Control / Status
|
||||
/// - `PWR_SR` — Power Control / Status
|
||||
pub fn clear_wakeup_flags() {
|
||||
info!("Clearing wakeup flags...");
|
||||
standby::disable_sram2_full_retention();
|
||||
|
||||
// Clear reset flags
|
||||
// let rcc = unsafe { &*pac::RCC::ptr() };
|
||||
let rcc = pac::RCC;
|
||||
rcc.csr().write(|w| w.set_rmvf(true));
|
||||
|
||||
// Check and clear Standby wakeup flag
|
||||
// let pwr = unsafe { &*pac::PWR::ptr() };
|
||||
let pwr = pac::PWR;
|
||||
if pwr.sr().read().sbf() {
|
||||
info!("Woke from Standby mode");
|
||||
pwr.sr().write(|w| w.set_sbf(true));
|
||||
}
|
||||
}
|
||||
|
||||
/// Initializes the Independent Watchdog (IWDG) timer.
|
||||
/// Wakeup source: Can wake the system from Standby mode on timeout
|
||||
///
|
||||
/// # Timing
|
||||
/// - Timeout value is configured in `WATCHDOG_TIMEOUT_US` from config.rs
|
||||
pub async fn init_watchdog(iwdg: Peri<'_, peripherals::IWDG>) {
|
||||
info!("Initializing watchdog after watchdog wake...");
|
||||
let mut watchdog = IndependentWatchdog::new(iwdg, WATCHDOG_TIMEOUT_US);
|
||||
watchdog.unleash();
|
||||
Timer::after(Duration::from_millis(10)).await;
|
||||
}
|
||||
3
semestralka_2/src/wakeup/mod.rs
Normal file
3
semestralka_2/src/wakeup/mod.rs
Normal file
@@ -0,0 +1,3 @@
|
||||
// src/wakeup/mod.rs
|
||||
|
||||
pub mod iwdg;
|
||||
41
semestralka_2/tests/uart_emulation.rs
Normal file
41
semestralka_2/tests/uart_emulation.rs
Normal file
@@ -0,0 +1,41 @@
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
use dma_gpio as _;
|
||||
use panic_probe as _;
|
||||
use defmt_rtt as _;
|
||||
|
||||
#[defmt_test::tests]
|
||||
mod tests {
|
||||
use defmt::assert_eq;
|
||||
use dma_gpio::software_uart::uart_emulation::{
|
||||
encode_uart_byte_cfg, UartConfig, Parity, StopBits
|
||||
};
|
||||
|
||||
const TX_PIN_BIT: u8 = 2;
|
||||
|
||||
#[test]
|
||||
fn test_encode_8n1() {
|
||||
let cfg = UartConfig::default();
|
||||
let mut frame = [0u32; 12];
|
||||
let used = encode_uart_byte_cfg(TX_PIN_BIT, 0x55, &cfg, &mut frame);
|
||||
|
||||
assert_eq!(used, 10);
|
||||
assert_eq!(frame[0], 1u32 << 18); // Start LOW
|
||||
assert_eq!(frame[9], 1u32 << 2); // Stop HIGH
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_encode_parity() {
|
||||
let cfg = UartConfig {
|
||||
data_bits: 8,
|
||||
parity: Parity::Even,
|
||||
stop_bits: StopBits::One,
|
||||
};
|
||||
|
||||
let mut frame = [0u32; 12];
|
||||
let used = encode_uart_byte_cfg(TX_PIN_BIT, 0x00, &cfg, &mut frame);
|
||||
|
||||
assert_eq!(used, 11);
|
||||
}
|
||||
}
|
||||
19
semestralka_2_uart/.cargo/config.toml
Normal file
19
semestralka_2_uart/.cargo/config.toml
Normal file
@@ -0,0 +1,19 @@
|
||||
[build]
|
||||
target = "thumbv8m.main-none-eabihf"
|
||||
|
||||
[target.thumbv8m.main-none-eabihf]
|
||||
runner = "probe-rs run --chip STM32U575ZITxQ"
|
||||
|
||||
rustflags = [
|
||||
"-C", "linker=rust-lld",
|
||||
"-C", "link-arg=-Tlink.x",
|
||||
"-C", "link-arg=-Tdefmt.x",
|
||||
"-C", "link-arg=--nmagic",
|
||||
]
|
||||
|
||||
[package.metadata.cargo-flash]
|
||||
chip = "STM32U575ZIT"
|
||||
|
||||
[env]
|
||||
CC_thumbv8m_main_none_eabihf = "arm-none-eabi-gcc"
|
||||
AR_thumbv8m_main_none_eabihf = "arm-none-eabi-ar"
|
||||
1
semestralka_2_uart/.gitignore
vendored
Normal file
1
semestralka_2_uart/.gitignore
vendored
Normal file
@@ -0,0 +1 @@
|
||||
/target
|
||||
1458
semestralka_2_uart/Cargo.lock
generated
Normal file
1458
semestralka_2_uart/Cargo.lock
generated
Normal file
File diff suppressed because it is too large
Load Diff
49
semestralka_2_uart/Cargo.toml
Normal file
49
semestralka_2_uart/Cargo.toml
Normal file
@@ -0,0 +1,49 @@
|
||||
[package]
|
||||
authors = ["Priec <filippriec@gmail.com>"]
|
||||
name = "dma_gpio"
|
||||
edition = "2024"
|
||||
version = "0.1.0"
|
||||
|
||||
|
||||
[dependencies]
|
||||
cortex-m = { version = "0.7.7", features = ["inline-asm", "critical-section-single-core"] }
|
||||
cortex-m-rt = "0.7.5"
|
||||
panic-halt = "1.0.0"
|
||||
|
||||
embassy-executor = { git = "https://github.com/embassy-rs/embassy.git", branch = "main", features = ["arch-cortex-m", "executor-thread"] }
|
||||
embassy-futures = { git = "https://github.com/embassy-rs/embassy.git", branch = "main" }
|
||||
embassy-sync = { git = "https://github.com/embassy-rs/embassy.git", branch = "main" }
|
||||
embassy-time = { git = "https://github.com/embassy-rs/embassy.git", branch = "main", features = ["tick-hz-32_768"] }
|
||||
embassy-hal-internal = { git = "https://github.com/embassy-rs/embassy.git", branch = "main" }
|
||||
embassy-usb = { git = "https://github.com/embassy-rs/embassy.git", branch = "main" }
|
||||
embassy-stm32 = { git = "https://github.com/embassy-rs/embassy.git", branch = "main", features = ["unstable-pac", "stm32u575zi", "time-driver-tim2", "memory-x", "defmt", "exti"] }
|
||||
|
||||
embedded-hal = "1.0.0"
|
||||
embedded-graphics = "0.8.1"
|
||||
heapless = { version = "0.9.1", default-features = false }
|
||||
micromath = "2.1.0"
|
||||
tinybmp = "0.6.0"
|
||||
panic-probe = { version = "1.0.0", features = ["defmt"] }
|
||||
defmt-rtt = "1.1.0"
|
||||
defmt = "1.0.1"
|
||||
static_cell = "2.1.1"
|
||||
embedded-io = "0.6.1"
|
||||
embedded-io-async = "0.6.1"
|
||||
|
||||
[dev-dependencies]
|
||||
defmt-test = "0.4.0"
|
||||
|
||||
[build-dependencies]
|
||||
cc = "1.2.48"
|
||||
|
||||
[[test]]
|
||||
name = "uart_emulation"
|
||||
harness = false
|
||||
|
||||
[lib]
|
||||
test = false
|
||||
|
||||
[[bin]]
|
||||
name = "main"
|
||||
path = "src/bin/main.rs"
|
||||
test = false
|
||||
201
semestralka_2_uart/LICENSE-APACHE
Normal file
201
semestralka_2_uart/LICENSE-APACHE
Normal file
@@ -0,0 +1,201 @@
|
||||
Apache License
|
||||
Version 2.0, January 2004
|
||||
http://www.apache.org/licenses/
|
||||
|
||||
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||
|
||||
1. Definitions.
|
||||
|
||||
"License" shall mean the terms and conditions for use, reproduction,
|
||||
and distribution as defined by Sections 1 through 9 of this document.
|
||||
|
||||
"Licensor" shall mean the copyright owner or entity authorized by
|
||||
the copyright owner that is granting the License.
|
||||
|
||||
"Legal Entity" shall mean the union of the acting entity and all
|
||||
other entities that control, are controlled by, or are under common
|
||||
control with that entity. For the purposes of this definition,
|
||||
"control" means (i) the power, direct or indirect, to cause the
|
||||
direction or management of such entity, whether by contract or
|
||||
otherwise, or (ii) ownership of fifty percent (50%) or more of the
|
||||
outstanding shares, or (iii) beneficial ownership of such entity.
|
||||
|
||||
"You" (or "Your") shall mean an individual or Legal Entity
|
||||
exercising permissions granted by this License.
|
||||
|
||||
"Source" form shall mean the preferred form for making modifications,
|
||||
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|
||||
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|
||||
|
||||
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|
||||
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|
||||
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|
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|
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"Work" shall mean the work of authorship, whether in Source or
|
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|
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Notwithstanding the above, nothing herein shall supersede or modify
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|
||||
END OF TERMS AND CONDITIONS
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APPENDIX: How to apply the Apache License to your work.
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To apply the Apache License to your work, attach the following
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||||
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|
||||
23
semestralka_2_uart/LICENSE-MIT
Normal file
23
semestralka_2_uart/LICENSE-MIT
Normal file
@@ -0,0 +1,23 @@
|
||||
Permission is hereby granted, free of charge, to any
|
||||
person obtaining a copy of this software and associated
|
||||
documentation files (the "Software"), to deal in the
|
||||
Software without restriction, including without
|
||||
limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software
|
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is furnished to do so, subject to the following
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conditions:
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|
||||
The above copyright notice and this permission notice
|
||||
shall be included in all copies or substantial portions
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||||
of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
|
||||
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
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||||
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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||||
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
|
||||
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
|
||||
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
DEALINGS IN THE SOFTWARE.
|
||||
23
semestralka_2_uart/Makefile
Normal file
23
semestralka_2_uart/Makefile
Normal file
@@ -0,0 +1,23 @@
|
||||
TARGET = thumbv8m.main-none-eabihf
|
||||
CHIP = STM32U575ZI
|
||||
BIN = stm32u5-blinky
|
||||
MODE ?= release
|
||||
TARGET_DIR = target/$(TARGET)/$(MODE)
|
||||
ELF = $(TARGET_DIR)/$(BIN)
|
||||
PROBE = probe-rs
|
||||
|
||||
.PHONY: all build flash clean empty
|
||||
|
||||
all: build
|
||||
|
||||
build:
|
||||
cargo build --$(MODE)
|
||||
|
||||
flash: build
|
||||
$(PROBE) run --chip $(CHIP) $(ELF)
|
||||
|
||||
empty:
|
||||
$(PROBE) erase --chip $(CHIP)
|
||||
|
||||
clean:
|
||||
cargo clean
|
||||
232
semestralka_2_uart/README.md
Normal file
232
semestralka_2_uart/README.md
Normal file
@@ -0,0 +1,232 @@
|
||||
# `app-template`
|
||||
|
||||
> Quickly set up a [`probe-rs`] + [`defmt`] + [`flip-link`] embedded project
|
||||
|
||||
[`probe-rs`]: https://crates.io/crates/probe-rs
|
||||
[`defmt`]: https://github.com/knurling-rs/defmt
|
||||
[`flip-link`]: https://github.com/knurling-rs/flip-link
|
||||
|
||||
## Dependencies
|
||||
|
||||
### 1. `flip-link`:
|
||||
|
||||
```bash
|
||||
cargo install flip-link
|
||||
```
|
||||
|
||||
### 2. `probe-rs`:
|
||||
|
||||
Install probe-rs by following the instructions at <https://probe.rs/docs/getting-started/installation/>.
|
||||
|
||||
### 3. [`cargo-generate`]:
|
||||
|
||||
```bash
|
||||
cargo install cargo-generate
|
||||
```
|
||||
|
||||
[`cargo-generate`]: https://crates.io/crates/cargo-generate
|
||||
|
||||
> *Note:* You can also just clone this repository instead of using `cargo-generate`, but this involves additional manual adjustments.
|
||||
|
||||
## Setup
|
||||
|
||||
### 1. Initialize the project template
|
||||
|
||||
```bash
|
||||
cargo generate \
|
||||
--git https://github.com/knurling-rs/app-template \
|
||||
--branch main \
|
||||
--name my-app
|
||||
```
|
||||
|
||||
If you look into your new `my-app` folder, you'll find that there are a few `TODO`s in the files marking the properties you need to set.
|
||||
|
||||
Let's walk through them together now.
|
||||
|
||||
### 2. Set `probe-rs` chip
|
||||
|
||||
Pick a chip from ` probe-rs chip list` and enter it into `.cargo/config.toml`.
|
||||
|
||||
If, for example, you have a nRF52840 Development Kit as used in one of [our exercises], replace `{{chip}}` with `nRF52840_xxAA`.
|
||||
|
||||
[our workshops]: https://rust-exercises.ferrous-systems.com
|
||||
|
||||
```diff
|
||||
# .cargo/config.toml
|
||||
-runner = ["probe-rs", "run", "--chip", "$CHIP", "--log-format=oneline"]
|
||||
+runner = ["probe-rs", "run", "--chip", "nRF52840_xxAA", "--log-format=oneline"]
|
||||
```
|
||||
|
||||
### 3. Adjust the compilation target
|
||||
|
||||
In `.cargo/config.toml`, pick the right compilation target for your board.
|
||||
|
||||
```diff
|
||||
# .cargo/config.toml
|
||||
[build]
|
||||
-target = "thumbv6m-none-eabi" # Cortex-M0 and Cortex-M0+
|
||||
-# target = "thumbv7m-none-eabi" # Cortex-M3
|
||||
-# target = "thumbv7em-none-eabi" # Cortex-M4 and Cortex-M7 (no FPU)
|
||||
-# target = "thumbv7em-none-eabihf" # Cortex-M4F and Cortex-M7F (with FPU)
|
||||
+target = "thumbv7em-none-eabihf" # Cortex-M4F (with FPU)
|
||||
```
|
||||
|
||||
Add the target with `rustup`.
|
||||
|
||||
```bash
|
||||
rustup target add thumbv7em-none-eabihf
|
||||
```
|
||||
|
||||
### 4. Add a HAL as a dependency
|
||||
|
||||
In `Cargo.toml`, list the Hardware Abstraction Layer (HAL) for your board as a dependency.
|
||||
|
||||
For the nRF52840 you'll want to use the [`nrf52840-hal`].
|
||||
|
||||
[`nrf52840-hal`]: https://crates.io/crates/nrf52840-hal
|
||||
|
||||
```diff
|
||||
# Cargo.toml
|
||||
[dependencies]
|
||||
-# some-hal = "1.2.3"
|
||||
+nrf52840-hal = "0.14.0"
|
||||
```
|
||||
|
||||
⚠️ Note for RP2040 users ⚠️
|
||||
|
||||
You will need to not just specify the `rp-hal` HAL, but a BSP (board support crate) which includes a second stage bootloader. Please find a list of available BSPs [here](https://github.com/rp-rs/rp-hal-boards#packages).
|
||||
|
||||
### 5. Import your HAL
|
||||
|
||||
Now that you have selected a HAL, fix the HAL import in `src/lib.rs`
|
||||
|
||||
```diff
|
||||
// my-app/src/lib.rs
|
||||
-// use some_hal as _; // memory layout
|
||||
+use nrf52840_hal as _; // memory layout
|
||||
```
|
||||
|
||||
### (6. Get a linker script)
|
||||
|
||||
Some HAL crates require that you manually copy over a file called `memory.x` from the HAL to the root of your project. For nrf52840-hal, this is done automatically so no action is needed. For other HAL crates, see their documentation on where to find an example file.
|
||||
|
||||
The `memory.x` file should look something like:
|
||||
|
||||
```text
|
||||
MEMORY
|
||||
{
|
||||
FLASH : ORIGIN = 0x00000000, LENGTH = 1024K
|
||||
RAM : ORIGIN = 0x20000000, LENGTH = 256K
|
||||
}
|
||||
```
|
||||
|
||||
The `memory.x` file is included in the `cortex-m-rt` linker script `link.x`, and so `link.x` is the one you should tell `rustc` to use (see the `.cargo/config.toml` file where we do that).
|
||||
|
||||
### 7. Run!
|
||||
|
||||
You are now all set to `cargo-run` your first `defmt`-powered application!
|
||||
There are some examples in the `src/bin` directory.
|
||||
|
||||
Start by `cargo run`-ning `my-app/src/bin/hello.rs`:
|
||||
|
||||
```console
|
||||
$ # `rb` is an alias for `run --bin`
|
||||
$ cargo rb hello
|
||||
Finished `dev` profile [optimized + debuginfo] target(s) in 0.01s
|
||||
Running `probe-rs run --chip nrf52840_xxaa --log-format=oneline target/thumbv6m-none-eabi/debug/hello`
|
||||
Erasing ✔ 100% [####################] 8.00 KiB @ 15.79 KiB/s (took 1s)
|
||||
Programming ✔ 100% [####################] 8.00 KiB @ 13.19 KiB/s (took 1s) Finished in 1.11s
|
||||
Hello, world!
|
||||
|
||||
$ echo $?
|
||||
0
|
||||
```
|
||||
|
||||
If you're running out of memory (`flip-link` bails with an overflow error), you can decrease the size of the device memory buffer by setting the `DEFMT_RTT_BUFFER_SIZE` environment variable. The default value is 1024 bytes, and powers of two should be used for optimal performance:
|
||||
|
||||
```console
|
||||
$ DEFMT_RTT_BUFFER_SIZE=64 cargo rb hello
|
||||
```
|
||||
|
||||
### (8. Set `rust-analyzer.linkedProjects`)
|
||||
|
||||
If you are using [rust-analyzer] with VS Code for IDE-like features you can add following configuration to your `.vscode/settings.json` to make it work transparently across workspaces. Find the details of this option in the [RA docs].
|
||||
|
||||
```json
|
||||
{
|
||||
"rust-analyzer.linkedProjects": [
|
||||
"Cargo.toml",
|
||||
"firmware/Cargo.toml",
|
||||
]
|
||||
}
|
||||
```
|
||||
|
||||
[RA docs]: https://rust-analyzer.github.io/manual.html#configuration
|
||||
[rust-analyzer]: https://rust-analyzer.github.io/
|
||||
|
||||
## Running tests
|
||||
|
||||
The template comes configured for running unit tests and integration tests on the target.
|
||||
|
||||
Unit tests reside in the library crate and can test private API; the initial set of unit tests are in `src/lib.rs`.
|
||||
`cargo test --lib` will run those unit tests.
|
||||
|
||||
```console
|
||||
$ cargo test --lib
|
||||
Compiling example v0.1.0 (./knurling-rs/example)
|
||||
Finished `test` profile [optimized + debuginfo] target(s) in 0.15s
|
||||
Running unittests src/lib.rs (target/thumbv6m-none-eabi/debug/deps/example-2b0d0e25d141bf57)
|
||||
Erasing ✔ 100% [####################] 8.00 KiB @ 15.99 KiB/s (took 1s)
|
||||
Programming ✔ 100% [####################] 8.00 KiB @ 13.33 KiB/s (took 1s) Finished in 1.10s
|
||||
(1/1) running `it_works`...
|
||||
all tests passed!
|
||||
```
|
||||
|
||||
Integration tests reside in the `tests` directory; the initial set of integration tests are in `tests/integration.rs`.
|
||||
`cargo test --test integration` will run those integration tests.
|
||||
Note that the argument of the `--test` flag must match the name of the test file in the `tests` directory.
|
||||
|
||||
```console
|
||||
$ cargo test --test integration
|
||||
Compiling example v0.1.0 (./knurling-rs/example)
|
||||
Finished `test` profile [optimized + debuginfo] target(s) in 0.10s
|
||||
Running tests/integration.rs (target/thumbv6m-none-eabi/debug/deps/integration-aaaff41151f6a722)
|
||||
Erasing ✔ 100% [####################] 8.00 KiB @ 16.03 KiB/s (took 0s)
|
||||
Programming ✔ 100% [####################] 8.00 KiB @ 13.19 KiB/s (took 1s) Finished in 1.11s
|
||||
(1/1) running `it_works`...
|
||||
all tests passed!
|
||||
```
|
||||
|
||||
Note that to add a new test file to the `tests` directory you also need to add a new `[[test]]` section to `Cargo.toml`.
|
||||
|
||||
To run all the tests via `cargo test` the tests need to be explicitly disabled for all the existing binary targets.
|
||||
See `Cargo.toml` for details on how to do this.
|
||||
|
||||
## Support
|
||||
|
||||
`app-template` is part of the [Knurling] project, [Ferrous Systems]' effort at
|
||||
improving tooling used to develop for embedded systems.
|
||||
|
||||
If you think that our work is useful, consider sponsoring it via [GitHub
|
||||
Sponsors].
|
||||
|
||||
## License
|
||||
|
||||
Licensed under either of
|
||||
|
||||
- Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or
|
||||
http://www.apache.org/licenses/LICENSE-2.0)
|
||||
|
||||
- MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
|
||||
|
||||
at your option.
|
||||
|
||||
### Contribution
|
||||
|
||||
Unless you explicitly state otherwise, any contribution intentionally submitted
|
||||
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
|
||||
licensed as above, without any additional terms or conditions.
|
||||
|
||||
[Knurling]: https://knurling.ferrous-systems.com
|
||||
[Ferrous Systems]: https://ferrous-systems.com/
|
||||
[GitHub Sponsors]: https://github.com/sponsors/knurling-rs
|
||||
59
semestralka_2_uart/build.rs
Normal file
59
semestralka_2_uart/build.rs
Normal file
@@ -0,0 +1,59 @@
|
||||
// build.rs
|
||||
|
||||
use std::env;
|
||||
use std::path::PathBuf;
|
||||
|
||||
fn main() {
|
||||
let cube_path = PathBuf::from("/home/priec/programs/STM32CubeU5");
|
||||
|
||||
let hal_driver = cube_path.join("Drivers/STM32U5xx_HAL_Driver");
|
||||
let cmsis = cube_path.join("Drivers/CMSIS");
|
||||
let device = cmsis.join("Device/ST/STM32U5xx");
|
||||
let example_inc = cube_path.join("Projects/NUCLEO-U575ZI-Q/Examples/GPIO/GPIO_IOToggle/Inc");
|
||||
|
||||
// HAL source files
|
||||
let hal_srcs = [
|
||||
"stm32u5xx_hal.c",
|
||||
"stm32u5xx_hal_rcc.c",
|
||||
"stm32u5xx_hal_rcc_ex.c",
|
||||
"stm32u5xx_hal_pwr.c",
|
||||
"stm32u5xx_hal_pwr_ex.c",
|
||||
"stm32u5xx_hal_gpio.c",
|
||||
"stm32u5xx_hal_cortex.c",
|
||||
"stm32u5xx_hal_flash.c",
|
||||
"stm32u5xx_hal_flash_ex.c",
|
||||
"stm32u5xx_hal_icache.c",
|
||||
"stm32u5xx_hal_ramcfg.c",
|
||||
"stm32u5xx_hal_rtc.c",
|
||||
"stm32u5xx_hal_rtc_ex.c",
|
||||
"stm32u5xx_hal_iwdg.c",
|
||||
];
|
||||
|
||||
let mut build = cc::Build::new();
|
||||
|
||||
// system_stm32u5xx.c adds SystemCoreClock, tables, etc.
|
||||
build.file(device.join("Source/Templates/system_stm32u5xx.c"));
|
||||
for src in hal_srcs {
|
||||
build.file(hal_driver.join("Src").join(src));
|
||||
}
|
||||
|
||||
build.file("src/c_ll/stop0_ll.c");
|
||||
|
||||
build
|
||||
.include(hal_driver.join("Inc"))
|
||||
.include(device.join("Include"))
|
||||
.include(cmsis.join("Core/Include"))
|
||||
.include(&example_inc)
|
||||
.define("USE_HAL_DRIVER", None)
|
||||
.define("STM32U575xx", None)
|
||||
.define("HAL_IWDG_MODULE_ENABLED", None)
|
||||
.flag("-mthumb")
|
||||
.flag("-march=armv8-m.main+fp.dp")
|
||||
.flag("-mfloat-abi=hard")
|
||||
.warnings(false)
|
||||
.compile("stm32u5_hal");
|
||||
|
||||
println!("cargo:rerun-if-changed=build.rs");
|
||||
println!("cargo:rerun-if-changed={}", hal_driver.display());
|
||||
println!("cargo:rerun-if-changed={}", example_inc.display());
|
||||
}
|
||||
83
semestralka_2_uart/src/bin/main.rs
Normal file
83
semestralka_2_uart/src/bin/main.rs
Normal file
@@ -0,0 +1,83 @@
|
||||
// src/bin/main.rs
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
use defmt::*;
|
||||
use embassy_stm32::pac;
|
||||
use embassy_executor::{Spawner, task};
|
||||
use embassy_stm32::Config;
|
||||
use embassy_stm32::gpio::{Output, Level, Speed};
|
||||
use embassy_time::{Duration, Timer};
|
||||
|
||||
use dma_gpio::config::BAUD;
|
||||
use dma_gpio::wakeup::iwdg::clear_wakeup_flags;
|
||||
use dma_gpio::wakeup::gpio::gpio_wakeup;
|
||||
use dma_gpio::logic::handler::execute_low_power;
|
||||
use dma_gpio::hw_uart_pc::init::init_hw_uart_to_pc;
|
||||
use dma_gpio::logic::uart_cmd::CMD_CH;
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(spawner: Spawner) {
|
||||
info!("boot");
|
||||
let p = embassy_stm32::init(Config::default());
|
||||
let mut led = Output::new(p.PA3, Level::Low, Speed::Low);
|
||||
let _led_ground = Output::new(p.PB0, Level::Low, Speed::Low);
|
||||
info!("init m8");
|
||||
|
||||
clear_wakeup_flags();
|
||||
|
||||
led.set_high();
|
||||
info!("LED ON (MCU awake)");
|
||||
|
||||
// LED BLINK
|
||||
// spawner.spawn(led_blink(led).unwrap());
|
||||
|
||||
// INIT HW UART
|
||||
init_hw_uart_to_pc(p.USART1, p.PA10, p.PA9, &spawner);
|
||||
|
||||
// DEBUG INFO
|
||||
let dbg = pac::DBGMCU;
|
||||
let cr = dbg.cr().read();
|
||||
info!("DBGMCU CR: dbg_stop={}, dbg_standby={}", cr.dbg_stop(), cr.dbg_standby());
|
||||
|
||||
use dma_gpio::config::WATCHDOG_TIMEOUT_US;
|
||||
info!(
|
||||
"Baud: {} bps | Watchdog: {}s\n\
|
||||
UART1 TX=PA9 RX=PA10\n\
|
||||
Modes via UART input:\n\
|
||||
[1] Standby + 8 KB SRAM2 retention\n\
|
||||
[2] Standby + full SRAM2 retention\n\
|
||||
[3] Standby — minimal power, SRAM2 lost\n\
|
||||
[4] Shutdown — lowest power, full reset on wake\n\
|
||||
[5] STOP mode (then choose: 0-3 for mode, 1-3 for entry method)",
|
||||
BAUD, WATCHDOG_TIMEOUT_US / 1_000_000
|
||||
);
|
||||
|
||||
// disabling st-link debug
|
||||
dbg.cr().modify(|w| {
|
||||
w.set_dbg_standby(false);
|
||||
w.set_dbg_stop(false);
|
||||
});
|
||||
// END OF DEBUG INFO
|
||||
|
||||
// MAIN LOOP
|
||||
Timer::after(Duration::from_millis(10)).await;
|
||||
|
||||
info!("ready for uart");
|
||||
let mut iwdg = Some(p.IWDG);
|
||||
|
||||
spawner.spawn(gpio_wakeup(p.PA0, p.EXTI0).unwrap()); // exti wake up
|
||||
loop {
|
||||
let cmd = CMD_CH.receive().await;
|
||||
execute_low_power(cmd, &mut iwdg).await;
|
||||
}
|
||||
}
|
||||
|
||||
#[task]
|
||||
async fn led_blink(mut led: Output<'static>) {
|
||||
loop {
|
||||
led.toggle();
|
||||
Timer::after(Duration::from_millis(300)).await;
|
||||
}
|
||||
}
|
||||
8
semestralka_2_uart/src/c_ll/stop0_ll.c
Normal file
8
semestralka_2_uart/src/c_ll/stop0_ll.c
Normal file
@@ -0,0 +1,8 @@
|
||||
#include "stm32u5xx_ll_pwr.h"
|
||||
|
||||
void rust_LL_PWR_SetPowerMode(unsigned int mode)
|
||||
{
|
||||
// Configure STOP0
|
||||
LL_PWR_SetPowerMode(mode);
|
||||
|
||||
}
|
||||
12
semestralka_2_uart/src/config.rs
Normal file
12
semestralka_2_uart/src/config.rs
Normal file
@@ -0,0 +1,12 @@
|
||||
// src/config.rs
|
||||
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
|
||||
use embassy_sync::pipe::Pipe;
|
||||
|
||||
pub const BAUD: u32 = 9_600;
|
||||
pub const PIPE_HW_TX_SIZE: usize = 1024;
|
||||
pub const PIPE_HW_RX_SIZE: usize = 1024;
|
||||
|
||||
pub const WATCHDOG_TIMEOUT_US: u32 = 2_000_000; // 2 seconds
|
||||
|
||||
pub static PIPE_HW_TX: Pipe<CriticalSectionRawMutex, PIPE_HW_TX_SIZE> = Pipe::new();
|
||||
pub static PIPE_HW_RX: Pipe<CriticalSectionRawMutex, PIPE_HW_RX_SIZE> = Pipe::new();
|
||||
41
semestralka_2_uart/src/hw_uart_pc/driver.rs
Normal file
41
semestralka_2_uart/src/hw_uart_pc/driver.rs
Normal file
@@ -0,0 +1,41 @@
|
||||
// src/hw_uart_pc/driver.rs
|
||||
use defmt::unwrap;
|
||||
use embassy_futures::select::{select, Either};
|
||||
use embassy_stm32::usart::BufferedUart;
|
||||
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
|
||||
use embassy_sync::pipe::Pipe;
|
||||
use embedded_io_async::{Read, Write};
|
||||
use crate::hw_uart_pc::safety::{RX_PIPE_CAP, TX_PIPE_CAP};
|
||||
use embassy_futures::yield_now;
|
||||
|
||||
#[embassy_executor::task]
|
||||
pub async fn uart_task(
|
||||
mut uart: BufferedUart<'static>,
|
||||
tx_pipe: &'static Pipe<CriticalSectionRawMutex, TX_PIPE_CAP>,
|
||||
rx_pipe: &'static Pipe<CriticalSectionRawMutex, RX_PIPE_CAP>,
|
||||
) {
|
||||
let mut rx_byte = [0u8; 1];
|
||||
let mut tx_buf = [0u8; 64];
|
||||
|
||||
loop {
|
||||
let rx_fut = uart.read(&mut rx_byte);
|
||||
let tx_fut = async {
|
||||
let n = tx_pipe.read(&mut tx_buf).await;
|
||||
n
|
||||
};
|
||||
|
||||
match select(rx_fut, tx_fut).await {
|
||||
// Incoming data from UART hardware
|
||||
Either::First(res) => {
|
||||
if let Ok(_) = res {
|
||||
let _ = rx_pipe.write(&rx_byte).await;
|
||||
}
|
||||
}
|
||||
// Outgoing data waiting in TX pipe
|
||||
Either::Second(n) => {
|
||||
unwrap!(uart.write_all(&tx_buf[..n]).await);
|
||||
}
|
||||
}
|
||||
yield_now().await;
|
||||
}
|
||||
}
|
||||
47
semestralka_2_uart/src/hw_uart_pc/init.rs
Normal file
47
semestralka_2_uart/src/hw_uart_pc/init.rs
Normal file
@@ -0,0 +1,47 @@
|
||||
// src/hw_uart_pc/init.rs
|
||||
|
||||
use crate::config::{BAUD, PIPE_HW_TX, PIPE_HW_RX};
|
||||
use crate::hw_uart_pc::driver::uart_task;
|
||||
use crate::logic::uart_cmd::uart_cmd_task;
|
||||
use static_cell::StaticCell;
|
||||
use embassy_stm32::usart::BufferedInterruptHandler;
|
||||
use embassy_stm32::usart::{BufferedUart, Config as UsartConfig};
|
||||
use embassy_stm32::peripherals;
|
||||
use embassy_stm32::bind_interrupts;
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_hal_internal::Peri;
|
||||
use embassy_stm32::peripherals::{USART1, PA9, PA10};
|
||||
use defmt::info;
|
||||
|
||||
bind_interrupts!(struct Irqs {
|
||||
USART1 => BufferedInterruptHandler<peripherals::USART1>;
|
||||
});
|
||||
|
||||
pub fn init_hw_uart_to_pc(
|
||||
usart1: Peri<'static, USART1>,
|
||||
pa10: Peri<'static, PA10>,
|
||||
pa9: Peri<'static, PA9>,
|
||||
spawner: &Spawner,
|
||||
) {
|
||||
let mut cfg = UsartConfig::default();
|
||||
cfg.baudrate = BAUD;
|
||||
|
||||
static TX_BUF: StaticCell<[u8; 256]> = StaticCell::new();
|
||||
static RX_BUF: StaticCell<[u8; 256]> = StaticCell::new();
|
||||
|
||||
let uart = BufferedUart::new(
|
||||
usart1,
|
||||
pa10, // RX pin
|
||||
pa9, // TX pin
|
||||
TX_BUF.init([0; 256]),
|
||||
RX_BUF.init([0; 256]),
|
||||
Irqs,
|
||||
cfg,
|
||||
)
|
||||
.unwrap();
|
||||
|
||||
spawner.spawn(uart_task(uart, &PIPE_HW_TX, &PIPE_HW_RX).unwrap());
|
||||
spawner.spawn(uart_cmd_task().unwrap());
|
||||
|
||||
info!("USART1 initialized @ {} bps", BAUD);
|
||||
}
|
||||
6
semestralka_2_uart/src/hw_uart_pc/mod.rs
Normal file
6
semestralka_2_uart/src/hw_uart_pc/mod.rs
Normal file
@@ -0,0 +1,6 @@
|
||||
// src/hw_uart_pc/mod.rs
|
||||
|
||||
pub mod driver;
|
||||
pub mod usart1;
|
||||
pub mod safety;
|
||||
pub mod init;
|
||||
57
semestralka_2_uart/src/hw_uart_pc/safety.rs
Normal file
57
semestralka_2_uart/src/hw_uart_pc/safety.rs
Normal file
@@ -0,0 +1,57 @@
|
||||
// src/safety.rs
|
||||
use defmt::info;
|
||||
use embassy_time::Duration;
|
||||
|
||||
// ISR RX ring capacity = RX_BUF len
|
||||
const ISR_RX_BUF_CAP: usize = 256;
|
||||
// Yield 1/2 the time it takes to fill ISR RX ring.
|
||||
const YIELD_MARGIN_NUM: u32 = 1;
|
||||
const YIELD_MARGIN_DEN: u32 = 2;
|
||||
// Ensure RX_PIPE_CAP can hold this.
|
||||
const WORST_MAIN_LATENCY_MS: u32 = 20;
|
||||
|
||||
pub const TX_PIPE_CAP: usize = 1024;
|
||||
pub const RX_PIPE_CAP: usize = 1024;
|
||||
|
||||
|
||||
|
||||
/// Perform safety checks and compute yield timing to avoid buffer overflow.
|
||||
///
|
||||
/// # Panics
|
||||
/// Panics if pipe capacities are too small for the configured baud.
|
||||
pub fn preflight_and_suggest_yield_period(baud: u32) -> Duration {
|
||||
// Approx bytes per second for 8N1 (10 bits per byte on the wire)
|
||||
let bytes_per_sec = (baud / 10).max(1);
|
||||
|
||||
// Time until ISR RX ring fills, in microseconds.
|
||||
let t_fill_us = (ISR_RX_BUF_CAP as u64) * 1_000_000u64 / (bytes_per_sec as u64);
|
||||
|
||||
// Choose a yield period as a fraction of t_fill.
|
||||
let yield_us = (t_fill_us as u64)
|
||||
.saturating_mul(YIELD_MARGIN_NUM as u64)
|
||||
/ (YIELD_MARGIN_DEN as u64);
|
||||
|
||||
// Verify RX pipe can absorb a worst-case app latency so uart_task
|
||||
// can always forward without dropping when it runs.
|
||||
let required_rx_pipe = (bytes_per_sec as u64) * (WORST_MAIN_LATENCY_MS as u64) / 1000;
|
||||
|
||||
if (RX_PIPE_CAP as u64) < required_rx_pipe {
|
||||
core::panic!(
|
||||
"RX pipe too small: have {}B, need >= {}B for {}ms at {} bps",
|
||||
RX_PIPE_CAP, required_rx_pipe, WORST_MAIN_LATENCY_MS, baud
|
||||
);
|
||||
}
|
||||
|
||||
info!(
|
||||
"Preflight: baud={}, rx_isr={}B, rx_pipe={}B, bytes/s={}, t_fill_us={}, yield_us={}",
|
||||
baud,
|
||||
ISR_RX_BUF_CAP,
|
||||
RX_PIPE_CAP,
|
||||
bytes_per_sec,
|
||||
t_fill_us,
|
||||
yield_us
|
||||
);
|
||||
|
||||
// Never choose zero.
|
||||
Duration::from_micros(yield_us.max(1) as u64)
|
||||
}
|
||||
12
semestralka_2_uart/src/hw_uart_pc/usart1.rs
Normal file
12
semestralka_2_uart/src/hw_uart_pc/usart1.rs
Normal file
@@ -0,0 +1,12 @@
|
||||
// src/uart/usart1.rs
|
||||
use defmt::info;
|
||||
use embassy_time::Duration;
|
||||
|
||||
use crate::hw_uart_pc::safety::preflight_and_suggest_yield_period;
|
||||
|
||||
pub fn setup_and_spawn(baudrate: u32,) -> Duration {
|
||||
let yield_period: Duration = preflight_and_suggest_yield_period(baudrate);
|
||||
info!("HW USART1 safe");
|
||||
|
||||
yield_period
|
||||
}
|
||||
9
semestralka_2_uart/src/lib.rs
Normal file
9
semestralka_2_uart/src/lib.rs
Normal file
@@ -0,0 +1,9 @@
|
||||
#![no_std]
|
||||
|
||||
// pub mod low_power;
|
||||
// pub use low_power::*;
|
||||
pub mod hw_uart_pc;
|
||||
pub mod config;
|
||||
pub mod sleep;
|
||||
pub mod wakeup;
|
||||
pub mod logic;
|
||||
67
semestralka_2_uart/src/logic/handler.rs
Normal file
67
semestralka_2_uart/src/logic/handler.rs
Normal file
@@ -0,0 +1,67 @@
|
||||
// src/logic/handler.rs
|
||||
|
||||
use embassy_time::{Duration, Timer};
|
||||
use embassy_stm32::peripherals;
|
||||
use embassy_stm32::Peri;
|
||||
|
||||
use crate::sleep::stop::{enter_stop0, enter_stop1, enter_stop2, enter_stop3};
|
||||
use crate::sleep::sleep::{enter_sleep_mode, SleepEntry};
|
||||
use crate::sleep::{standby, shutdown};
|
||||
use crate::wakeup::iwdg::init_watchdog_reset;
|
||||
use crate::logic::uart_cmd::{LowPowerCmd, StopMode, StopModeConfig};
|
||||
|
||||
use defmt::info;
|
||||
|
||||
pub async fn execute_low_power(
|
||||
cmd: LowPowerCmd,
|
||||
iwdg: &mut Option<Peri<'static, peripherals::IWDG>>
|
||||
) {
|
||||
Timer::after(Duration::from_millis(10)).await;
|
||||
|
||||
match cmd {
|
||||
LowPowerCmd::Standby8k => {
|
||||
info!("Entering Standby with 8KB SRAM2 retention");
|
||||
if let Some(wdg) = iwdg.take() {
|
||||
init_watchdog_reset(wdg).await;
|
||||
}
|
||||
standby::enter_standby_with_sram2_8kb();
|
||||
}
|
||||
LowPowerCmd::StandbyFull => {
|
||||
info!("Entering Standby with full SRAM2 retention");
|
||||
if let Some(wdg) = iwdg.take() {
|
||||
init_watchdog_reset(wdg).await;
|
||||
}
|
||||
standby::enter_standby_with_sram2_full();
|
||||
}
|
||||
LowPowerCmd::Standby => {
|
||||
info!("Entering minimal Standby");
|
||||
if let Some(wdg) = iwdg.take() {
|
||||
init_watchdog_reset(wdg).await;
|
||||
}
|
||||
standby::enter_standby();
|
||||
}
|
||||
LowPowerCmd::Shutdown => {
|
||||
info!("Entering Shutdown mode");
|
||||
shutdown::enter_shutdown();
|
||||
}
|
||||
LowPowerCmd::StopMode(StopModeConfig { mode, entry }) => {
|
||||
info!("Entering {:?} with {:?}", mode, entry);
|
||||
match mode {
|
||||
StopMode::Stop0 => enter_stop0(),
|
||||
StopMode::Stop1 => enter_stop1(entry),
|
||||
StopMode::Stop2 => enter_stop2(entry),
|
||||
StopMode::Stop3 => {
|
||||
if let Some(wdg) = iwdg.take() {
|
||||
init_watchdog_reset(wdg).await;
|
||||
}
|
||||
enter_stop3(entry);
|
||||
}
|
||||
}
|
||||
}
|
||||
LowPowerCmd::Sleep => {
|
||||
info!("Entering Sleep mode (WFI)...");
|
||||
enter_sleep_mode(SleepEntry::Wfi);
|
||||
info!("Woke up from Sleep mode.");
|
||||
}
|
||||
}
|
||||
}
|
||||
4
semestralka_2_uart/src/logic/mod.rs
Normal file
4
semestralka_2_uart/src/logic/mod.rs
Normal file
@@ -0,0 +1,4 @@
|
||||
// src/logic/mod.rs
|
||||
|
||||
pub mod handler;
|
||||
pub mod uart_cmd;
|
||||
106
semestralka_2_uart/src/logic/uart_cmd.rs
Normal file
106
semestralka_2_uart/src/logic/uart_cmd.rs
Normal file
@@ -0,0 +1,106 @@
|
||||
// src/logic/uart_cmd.rs
|
||||
|
||||
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
|
||||
use embassy_sync::channel::Channel;
|
||||
|
||||
// UART HW init
|
||||
use crate::config::{PIPE_HW_TX, PIPE_HW_RX};
|
||||
use crate::sleep::StopEntry;
|
||||
|
||||
pub static CMD_CH: Channel<CriticalSectionRawMutex, LowPowerCmd, 1> = Channel::new();
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
|
||||
pub enum LowPowerCmd {
|
||||
Standby8k, // 1
|
||||
StandbyFull, // 2
|
||||
Standby, // 3
|
||||
Shutdown, // 4
|
||||
StopMode(StopModeConfig),
|
||||
Sleep,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
|
||||
pub struct StopModeConfig {
|
||||
pub mode: StopMode,
|
||||
pub entry: StopEntry,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
|
||||
pub enum StopMode {
|
||||
Stop0,
|
||||
Stop1,
|
||||
Stop2,
|
||||
Stop3,
|
||||
}
|
||||
|
||||
#[embassy_executor::task]
|
||||
pub async fn uart_cmd_task() {
|
||||
async fn print_menu() {
|
||||
while PIPE_HW_TX.len() > 0 {
|
||||
embassy_time::Timer::after(embassy_time::Duration::from_millis(8)).await;
|
||||
}
|
||||
let _ = PIPE_HW_TX.write(
|
||||
b"\x1B[2J\x1B[H\r\n\
|
||||
Modes:\r\n\
|
||||
[1] Standby + 8 KB SRAM2 retention\r\n\
|
||||
[2] Standby + full SRAM2 retention\r\n\
|
||||
[3] Standby minimal\r\n\
|
||||
[4] Shutdown\r\n\
|
||||
[5] Stop mode (0-3)\r\n\
|
||||
[6] Sleep mode (WFI or WFE)\r\n\
|
||||
"
|
||||
).await;
|
||||
embassy_time::Timer::after(embassy_time::Duration::from_millis(8)).await;
|
||||
}
|
||||
|
||||
print_menu().await;
|
||||
|
||||
let mut b = [0u8; 2];
|
||||
loop {
|
||||
b.fill(0);
|
||||
let n = PIPE_HW_RX.read(&mut b).await;
|
||||
if n == 0 { continue; }
|
||||
|
||||
match b[0] {
|
||||
b'1' => CMD_CH.send(LowPowerCmd::Standby8k).await,
|
||||
b'2' => CMD_CH.send(LowPowerCmd::StandbyFull).await,
|
||||
b'3' => CMD_CH.send(LowPowerCmd::Standby).await,
|
||||
b'4' => CMD_CH.send(LowPowerCmd::Shutdown).await,
|
||||
b'5' => {
|
||||
let _ = PIPE_HW_TX.write(b"Enter Stop mode number (0-3): ").await;
|
||||
b.fill(0);
|
||||
let n = PIPE_HW_RX.read(&mut b).await;
|
||||
if n == 0 { print_menu().await; continue; }
|
||||
let stop_mode = match b[0] {
|
||||
b'0' => StopMode::Stop0,
|
||||
b'1' => StopMode::Stop1,
|
||||
b'2' => StopMode::Stop2,
|
||||
b'3' => StopMode::Stop3,
|
||||
_ => { print_menu().await; continue; }
|
||||
};
|
||||
|
||||
if matches!(stop_mode, StopMode::Stop0) {
|
||||
CMD_CH.send(LowPowerCmd::StopMode(StopModeConfig {
|
||||
mode: stop_mode,
|
||||
entry: StopEntry::Wfi, // to tu je, lebo nejdem prepisovat kod, kvoli
|
||||
// pos**temu halu co si nevie urobit konzistentnost
|
||||
})).await;
|
||||
continue;
|
||||
}
|
||||
let _ = PIPE_HW_TX.write(b"Enter entry method (1=WFI,2=WFE,3=WFE no clear): ").await;
|
||||
b.fill(0);
|
||||
let n = PIPE_HW_RX.read(&mut b).await;
|
||||
if n == 0 { print_menu().await; continue; }
|
||||
let entry = match b[0] {
|
||||
b'1' => StopEntry::Wfi,
|
||||
b'2' => StopEntry::Wfe,
|
||||
b'3' => StopEntry::WfeNoEventClear,
|
||||
_ => { print_menu().await; continue; }
|
||||
};
|
||||
CMD_CH.send(LowPowerCmd::StopMode(StopModeConfig { mode: stop_mode, entry })).await;
|
||||
},
|
||||
b'6' => CMD_CH.send(LowPowerCmd::Sleep).await,
|
||||
_ => { print_menu().await; continue; }
|
||||
}
|
||||
}
|
||||
}
|
||||
8
semestralka_2_uart/src/sleep/mod.rs
Normal file
8
semestralka_2_uart/src/sleep/mod.rs
Normal file
@@ -0,0 +1,8 @@
|
||||
// src/sleep/mod.rs
|
||||
|
||||
pub mod standby;
|
||||
pub mod shutdown;
|
||||
pub mod stop;
|
||||
pub mod sleep;
|
||||
|
||||
pub use stop::StopEntry;
|
||||
13
semestralka_2_uart/src/sleep/shutdown.rs
Normal file
13
semestralka_2_uart/src/sleep/shutdown.rs
Normal file
@@ -0,0 +1,13 @@
|
||||
// src/sleep/standby.rs
|
||||
|
||||
pub fn enter_shutdown() -> ! {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_EnterSHUTDOWNMode();
|
||||
}
|
||||
|
||||
unsafe {
|
||||
HAL_PWREx_EnterSHUTDOWNMode();
|
||||
}
|
||||
|
||||
cortex_m::asm::udf(); //panic
|
||||
}
|
||||
19
semestralka_2_uart/src/sleep/sleep.rs
Normal file
19
semestralka_2_uart/src/sleep/sleep.rs
Normal file
@@ -0,0 +1,19 @@
|
||||
// src/sleep/sleep.rs
|
||||
|
||||
use cortex_m::Peripherals;
|
||||
|
||||
#[derive(Clone, Copy, Debug, defmt::Format)]
|
||||
pub enum SleepEntry {
|
||||
Wfi,
|
||||
Wfe,
|
||||
}
|
||||
|
||||
pub fn enter_sleep_mode(entry: SleepEntry) {
|
||||
let mut core = unsafe { Peripherals::steal() };
|
||||
core.SCB.clear_sleepdeep();
|
||||
|
||||
match entry {
|
||||
SleepEntry::Wfi => cortex_m::asm::wfi(),
|
||||
SleepEntry::Wfe => cortex_m::asm::wfe(),
|
||||
}
|
||||
}
|
||||
58
semestralka_2_uart/src/sleep/standby.rs
Normal file
58
semestralka_2_uart/src/sleep/standby.rs
Normal file
@@ -0,0 +1,58 @@
|
||||
// src/sleep/standby.rs
|
||||
|
||||
pub fn enter_standby() -> ! {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWR_EnterSTANDBYMode();
|
||||
}
|
||||
|
||||
unsafe {
|
||||
HAL_PWR_EnterSTANDBYMode();
|
||||
}
|
||||
|
||||
cortex_m::asm::udf();
|
||||
}
|
||||
|
||||
pub fn enter_standby_with_sram2_8kb() -> ! {
|
||||
sram2_8kb_retention();
|
||||
enter_standby();
|
||||
}
|
||||
|
||||
pub fn enter_standby_with_sram2_full() -> ! {
|
||||
sram2_full_retention();
|
||||
enter_standby();
|
||||
}
|
||||
|
||||
pub fn sram2_full_retention() {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_EnableSRAM2ContentStandbyRetention(sram2_pages: u32);
|
||||
}
|
||||
|
||||
unsafe {
|
||||
// 0x60 = PWR_SRAM2_FULL_STANDBY = PWR_CR1_RRSB1 | PWR_CR1_RRSB2
|
||||
// See: STM32U5xx HAL: stm32u5xx_hal_pwr_ex.h line 227
|
||||
// PWR_CR1_RRSB1=0x20, PWR_CR1_RRSB2=0x40
|
||||
HAL_PWREx_EnableSRAM2ContentStandbyRetention(0x60);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn sram2_8kb_retention() {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_EnableSRAM2ContentStandbyRetention(sram2_pages: u32);
|
||||
}
|
||||
|
||||
unsafe {
|
||||
// 0x40 = PWR_SRAM2_PAGE1_STANDBY = PWR_CR1_RRSB2
|
||||
// 8KB retention only
|
||||
HAL_PWREx_EnableSRAM2ContentStandbyRetention(0x40);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn disable_sram2_full_retention() {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_DisableSRAM2ContentStandbyRetention(sram2_pages: u32);
|
||||
}
|
||||
|
||||
unsafe {
|
||||
HAL_PWREx_DisableSRAM2ContentStandbyRetention(0x60);
|
||||
}
|
||||
}
|
||||
69
semestralka_2_uart/src/sleep/stop.rs
Normal file
69
semestralka_2_uart/src/sleep/stop.rs
Normal file
@@ -0,0 +1,69 @@
|
||||
// src/sleep/stop.rs
|
||||
|
||||
use cortex_m::Peripherals;
|
||||
use cortex_m::asm;
|
||||
|
||||
/// Enter STOPx mode parameter
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq, defmt::Format)]
|
||||
pub enum StopEntry {
|
||||
Wfi,
|
||||
Wfe,
|
||||
WfeNoEventClear,
|
||||
}
|
||||
|
||||
impl From<StopEntry> for u8 {
|
||||
fn from(value: StopEntry) -> Self {
|
||||
match value {
|
||||
StopEntry::Wfi => 0x01,
|
||||
StopEntry::Wfe => 0x02,
|
||||
StopEntry::WfeNoEventClear => 0x03,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn enter_stop0() {
|
||||
unsafe extern "C" {
|
||||
fn rust_LL_PWR_SetPowerMode(mode: u32);
|
||||
}
|
||||
|
||||
const LL_PWR_STOP0_MODE: u32 = 0; //stm32u5xx_ll_pwr.h
|
||||
|
||||
unsafe {
|
||||
rust_LL_PWR_SetPowerMode(LL_PWR_STOP0_MODE);
|
||||
|
||||
let mut core = Peripherals::steal();
|
||||
core.SCB.set_sleepdeep();
|
||||
asm::wfi();
|
||||
core.SCB.clear_sleepdeep();
|
||||
}
|
||||
}
|
||||
|
||||
pub fn enter_stop1(entry: StopEntry) {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_EnterSTOP1Mode(entry: u8);
|
||||
}
|
||||
|
||||
unsafe {
|
||||
HAL_PWREx_EnterSTOP1Mode(entry.into());
|
||||
}
|
||||
}
|
||||
|
||||
pub fn enter_stop2(entry: StopEntry) {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_EnterSTOP2Mode(entry: u8);
|
||||
}
|
||||
|
||||
unsafe {
|
||||
HAL_PWREx_EnterSTOP2Mode(entry.into());
|
||||
}
|
||||
}
|
||||
|
||||
pub fn enter_stop3(entry: StopEntry) {
|
||||
unsafe extern "C" {
|
||||
fn HAL_PWREx_EnterSTOP3Mode(entry: u8);
|
||||
}
|
||||
|
||||
unsafe {
|
||||
HAL_PWREx_EnterSTOP3Mode(entry.into());
|
||||
}
|
||||
}
|
||||
25
semestralka_2_uart/src/wakeup/gpio.rs
Normal file
25
semestralka_2_uart/src/wakeup/gpio.rs
Normal file
@@ -0,0 +1,25 @@
|
||||
// src/wakeup/gpio.rs
|
||||
|
||||
use defmt::info;
|
||||
use embassy_stm32::exti::ExtiInput;
|
||||
use embassy_stm32::gpio::Pull;
|
||||
use embassy_stm32::peripherals;
|
||||
use embassy_time::{Duration, Timer};
|
||||
use embassy_hal_internal::Peri;
|
||||
|
||||
/// GPIO pin as an EXTI wake-up source.
|
||||
#[embassy_executor::task]
|
||||
pub async fn gpio_wakeup(
|
||||
pin: Peri<'static, peripherals::PA0>,
|
||||
ch: Peri<'static, peripherals::EXTI0>
|
||||
) {
|
||||
info!("EXTI wake input on PA0");
|
||||
let mut btn = ExtiInput::new(pin, ch, Pull::Up);
|
||||
|
||||
loop {
|
||||
info!("Waiting for falling edge on PA0");
|
||||
btn.wait_for_falling_edge().await;
|
||||
info!("GPIO wake-up");
|
||||
Timer::after(Duration::from_millis(50)).await;
|
||||
}
|
||||
}
|
||||
42
semestralka_2_uart/src/wakeup/iwdg.rs
Normal file
42
semestralka_2_uart/src/wakeup/iwdg.rs
Normal file
@@ -0,0 +1,42 @@
|
||||
// src/wakeup/iwdg.rs
|
||||
|
||||
use defmt::info;
|
||||
use embassy_stm32::peripherals;
|
||||
use embassy_stm32::wdg::IndependentWatchdog;
|
||||
use embassy_stm32::Peri;
|
||||
use embassy_time::{Duration, Timer};
|
||||
use embassy_stm32::pac;
|
||||
use crate::sleep::standby;
|
||||
|
||||
use crate::config::WATCHDOG_TIMEOUT_US;
|
||||
|
||||
/// Call early in startup
|
||||
///
|
||||
/// - `RCC_CSR` — Reset and Clock Control / Status
|
||||
/// - `PWR_SR` — Power Control / Status
|
||||
pub fn clear_wakeup_flags() {
|
||||
info!("Clearing wakeup flags...");
|
||||
standby::disable_sram2_full_retention();
|
||||
|
||||
// Clear reset flags
|
||||
// let rcc = unsafe { &*pac::RCC::ptr() };
|
||||
let rcc = pac::RCC;
|
||||
rcc.csr().write(|w| w.set_rmvf(true));
|
||||
|
||||
// Check and clear Standby wakeup flag
|
||||
// let pwr = unsafe { &*pac::PWR::ptr() };
|
||||
let pwr = pac::PWR;
|
||||
if pwr.sr().read().sbf() {
|
||||
info!("Woke from Standby mode");
|
||||
pwr.sr().write(|w| w.set_sbf(true));
|
||||
}
|
||||
}
|
||||
|
||||
/// Init Independent Watchdog (IWDG) timer.
|
||||
/// Timeout value is configured in `WATCHDOG_TIMEOUT_US` from config.rs
|
||||
pub async fn init_watchdog_reset(iwdg: Peri<'static, peripherals::IWDG>) {
|
||||
info!("Init watchdog after watchdog wake...");
|
||||
let mut watchdog = IndependentWatchdog::new(iwdg, WATCHDOG_TIMEOUT_US);
|
||||
watchdog.unleash();
|
||||
Timer::after(Duration::from_millis(10)).await;
|
||||
}
|
||||
4
semestralka_2_uart/src/wakeup/mod.rs
Normal file
4
semestralka_2_uart/src/wakeup/mod.rs
Normal file
@@ -0,0 +1,4 @@
|
||||
// src/wakeup/mod.rs
|
||||
|
||||
pub mod iwdg;
|
||||
pub mod gpio;
|
||||
41
semestralka_2_uart/tests/uart_emulation.rs
Normal file
41
semestralka_2_uart/tests/uart_emulation.rs
Normal file
@@ -0,0 +1,41 @@
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
use dma_gpio as _;
|
||||
use panic_probe as _;
|
||||
use defmt_rtt as _;
|
||||
|
||||
#[defmt_test::tests]
|
||||
mod tests {
|
||||
use defmt::assert_eq;
|
||||
use dma_gpio::software_uart::uart_emulation::{
|
||||
encode_uart_byte_cfg, UartConfig, Parity, StopBits
|
||||
};
|
||||
|
||||
const TX_PIN_BIT: u8 = 2;
|
||||
|
||||
#[test]
|
||||
fn test_encode_8n1() {
|
||||
let cfg = UartConfig::default();
|
||||
let mut frame = [0u32; 12];
|
||||
let used = encode_uart_byte_cfg(TX_PIN_BIT, 0x55, &cfg, &mut frame);
|
||||
|
||||
assert_eq!(used, 10);
|
||||
assert_eq!(frame[0], 1u32 << 18); // Start LOW
|
||||
assert_eq!(frame[9], 1u32 << 2); // Stop HIGH
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_encode_parity() {
|
||||
let cfg = UartConfig {
|
||||
data_bits: 8,
|
||||
parity: Parity::Even,
|
||||
stop_bits: StopBits::One,
|
||||
};
|
||||
|
||||
let mut frame = [0u32; 12];
|
||||
let used = encode_uart_byte_cfg(TX_PIN_BIT, 0x00, &cfg, &mut frame);
|
||||
|
||||
assert_eq!(used, 11);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user