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Defmt Alternatives
Similar projects and alternatives to defmt
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trice
🟢 super fast 🚀 and tiny 🐥 embedded device 𝘾 printf-like trace ✍ code, works also inside ⚡ interrupts ⚡ and real-time PC 💻 logging (trace ID visualization 👀)
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clp
Compressed Log Processor (CLP) is a free log management tool capable of compressing logs and searching the compressed logs without decompression.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better defmt alternative or higher similarity.
defmt discussion
defmt reviews and mentions
Posts with mentions or reviews of defmt.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-12-05.
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Lossless Log Aggregation
I've built a logging system like that, in an embedded context, and defmt (https://github.com/knurling-rs/defmt) is an open-source implementation of the same context. What's most handy about it is that logging continuous sensor data and logging events can both use the same framework.
- Nanolog supports logging with 7 ns median latency
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I built a column staggered keyboard with firmware written in Rust!
As someone who had only done embedded programming in the Arduino IDE, utilizing the defmt crate for logging with OpenOCD and GDB was an amazing experience. Although I still had no idea on to implement USB-HID for actually sending the key reports, until I discovered the usbd-human-interface-device crate and everything became so much easier. I just needed to create an iterator over Keyboard events and the crate would handle the rest as an added benefit the crate also supports multiple devices, so adding mouse support was as easy as creating a separate iterator over WheelMouseReport.
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Testing a no_std crate with QEMU and defmt-test?
I think I want to use the QEMU emulator (as suggested in the Embedded Rust Book) and tests created with defmt-test. But I can't figure out how to get them to work together.
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Are there any `no_std` logging or printing libraries (for Wasm targets, or even embedded devices)
On embeded defmt is often used https://github.com/knurling-rs/defmt
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Debugging and profiling embedded applications.
defmt is a great framework for general logging.
- Print From a Multi-Platform no_std Embedded Library
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Native Reflection in Rust
Great writeup! The defmt logging crate uses a linker script to extract debug symbols so that you get nicely formatted stack traces on embedded systems. It works on linux, macos and windows. I wonder if the same technique can be applied to this project. It needs a runner though so may not be the right approach.
https://github.com/knurling-rs/defmt
- Smallest logging implementation?
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From arduino to rust via avr-hal
Just played with embedded stuff today. defmt can be used for logging instead of println since there's not really a stdout when running on bare metal.
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Stats
Basic defmt repo stats
21
963
9.1
3 days ago
knurling-rs/defmt is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of defmt is Rust.
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