allwpilib
embassy
allwpilib | embassy | |
---|---|---|
11 | 70 | |
1,025 | 4,499 | |
0.7% | 6.9% | |
9.8 | 9.9 | |
3 days ago | 4 days ago | |
C++ | Rust | |
GNU General Public License v3.0 or later | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
allwpilib
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Mecanum Drive
You need to be more specific, what issues? I would recommend starting with an example. https://github.com/wpilibsuite/allwpilib/tree/main/wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/examples/mecanumdrive. And looking at the documentation for it here. https://docs.wpilib.org/en/stable/docs/software/hardware-apis/motors/wpi-drive-classes.html#mecanum-drive If this doesn’t work make sure your wheels are in the correct orientation (x pattern when viewed from top) and you set your inverts right.)
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Swerve Drive
I believe this page has timed based swerve code https://github.com/wpilibsuite/allwpilib/tree/main/wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/examples/swervebot
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beginner programmer resources and help on what to learn to be ready for build season?
Study Java syntax, and look up the common code libraries at https://wpilib.org/
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wpiHaljni could not be loaded from path or an embedded resource. (More info in comments)
Just to cover all the bases, have you run the 2022 installer? That should have all of the files required to build robot projects. Even if you have I would recommend running it again and making sure that it installs the JDK to the default location.
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Questions about the java classes xxxCommandGroup
Also remember that wpilib is open source, so you can check out the implantation of all of these classes yourself to better understand what they’re doing. Java SequentialCommandGroup is right here. You can also access this by control+left clicking on almost any class or method in vscode and it’ll open up a new editor tab with that code.
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does anyone have any good tutorials explaining what and how to program subsystems for frc in java
To get myself started I used Manning Robotics tutorial. Keep in mind though it is out of date as there was a rewrite for the command based framework in 2020. Check out the WPILIB for a walk through of the system. Also linked from WPILIB are the example projects gears bot and traditional hatchbot that my team has been referencing to get us started.
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How to download wpilib on mac?
It's been updated, and installing it worked for me. Get the dmg from here, then download and install.
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Does anybody know how to get the 2019 version of wpilib?
This is the link to the GitHub release https://github.com/wpilibsuite/allwpilib/releases/tag/v2019.4.1
- I am creating a fast, header-only, C++ library for control algorithms
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Robot localization with on-motor encoders
if you’re sure you want to go the in-wheel encoder route, check out wpilib’s implementation of it here. it uses EJML for most of the math, but you can remove it if you’re comfortable with matrixes
embassy
- Embassy 在 Blue Pill 上的点灯案例
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Why choose async/await over threads?
thanks. looked that up. for the curious: https://embassy.dev/
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Accessing the Pinecil UART with Picoprobe
Running the Embassy RP2040 USB CDC ACM serial example takes about 5 seconds on a Pico.
https://github.com/embassy-rs/embassy/blob/main/examples/rp/...
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Avoid Async Rust at All Cost
Async solves different problems, you can, for instance, have just a single-threaded CPU and still have a nice API if you have async-await. It might not be so cool at a higher level as Go's approach of channels and threads, but it's cool in embedded, read this:
https://github.com/embassy-rs/embassy?tab=readme-ov-file#rus...
"Rust's async/await allows for unprecedently easy and efficient multitasking in embedded systems. Tasks get transformed at compile time into state machines that get run cooperatively. It requires no dynamic memory allocation, and runs on a single stack, so no per-task stack size tuning is required. It obsoletes the need for a traditional RTOS with kernel context switching, and is faster and smaller than one!"
I'm just toying with Raspberry Pi Pico and it's pretty nice.
Go and Rust have different use cases, the async-await is nice at a low level.
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Is anyone using coroutines seriously?
I have not yet dipped by toes in the Rust waters, but reading about the embassy project is actually what piqued my curiosity about using C++ coroutines in embedded. Are you familiar with the project or have you found it lacking?
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The state of BLE and Rust (no_std)
I think I get the basics (shoutout to the Rust Embedded Working Group!), and I've started looking for the stack I'd be using. I think Embassy is really amazing, as well as the work of the ESP team -- hats off.
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Rust newcomers are 70x less likely to create vulnerabilities than C++ newcomers [pdf]
> }
And this is how to do it using embassy, which is an async framework for embedded in rust:
https://github.com/embassy-rs/embassy/blob/main/examples/rp/...
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The State of Async Rust
> not good for embedded
embassy begs to differ
https://embassy.dev/
async/await is really just a syntax for building state machines in a way that resembles regular code. It's compiled down to the same code that you would write by hand anyway (early on it had some bloat in state size but I think it's all fixed now).
And embedded has a lot of state machines!
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Asynchronous Rust on Cortex-M Microcontrollers
You can run multiple executors at different interrupt priority levels (with multiple tasks per executor), which allows tasks on the higher priority executor to interrupt other tasks. Here's an example https://github.com/embassy-rs/embassy/blob/main/examples/nrf...
- Espressif advances with Rust – 30-06-2023
What are some alternatives?
PythonRobotics - Python sample codes for robotics algorithms.
rtic - Real-Time Interrupt-driven Concurrency (RTIC) framework for ARM Cortex-M microcontrollers
CppRobotics - Header-only C++ library for robotics, control, and path planning algorithms. Work in progress, contributions are welcome!
rusty-clock - An alarm clock with environment stats in pure bare metal embedded rust
Pathfinder - Pathfinding, odometry, trajectory generation, and a whole lot of swag.
smoltcp - a smol tcp/ip stack
Pathfinder2 - Paths, trajectories, splines, the number 2, and a whole lot of swag.
rust-mos - Empowering everyone to build reliable and efficient software.
autodiff - automatic differentiation made easier for C++
nrf-hal - A Rust HAL for the nRF family of devices
Conductor - A cross-platform FRC Driver Station written with Rust and React
async-std - Async version of the Rust standard library