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ravedude crates.io page

ravedude is a CLI utility to make Rust development for AVR microcontrollers super smooth. It's a wrapper around avrdude and provides easy access to the target's serial console, similar to the Arduino IDE.

ravedude is meant to be used as a cargo "runner". This allows you to just use cargo run for building, deploying, and running your AVR code!

if you get an Error: no matching serial port found, use -P or set RAVEDUDE_PORT in your environment , run cargo run with set environment variable or adjust runner = "ravedude {X} -cb {X} -P /dev/ttyUSB{X}" inside .cargo/config.toml (replace {X} with your respective values)

Installation

On Linux systems, you'll need pkg-config and libudev development files installed:

  • Archlinux: pacman -S systemd pkgconf
  • Ubuntu/Debian: apt install libudev-dev pkg-config
  • Fedora: dnf install systemd-devel pkgconf-pkg-config

Next, install the latest version from crates.io with the following command:

cargo +stable install --locked ravedude

Alternatively, if you're using Nix (the package manager) + Flakes, you can install ravedude by adding inputs.ravedude.url = "github:Rahix/avr-hal?dir=ravedude"; and use the package ravedude.packages."${system}".default.

Now you need to add ravedude to your project. For example in a project for Arduino Uno, place the following into your .cargo/config.toml (not in Cargo.toml):

[target.'cfg(target_arch = "avr")']
runner = "ravedude uno --open-console --baudrate 57600"

And that's all, now just call cargo run and watch it do its magic:

avr-hal/examples/arduino-uno on ravedude via v1.51.0-nightly 
❯ cargo run --bin uno-i2cdetect
   Compiling arduino-uno-examples v0.0.0 (avr-hal/examples/arduino-uno)
    Finished dev [optimized + debuginfo] target(s) in 1.26s
     Running `ravedude uno -cb 57600 avr-hal/target/avr-atmega328p/debug/uno-i2cdetect.elf`
       Board Arduino Uno
 Programming avr-hal/target/avr-atmega328p/debug/uno-i2cdetect.elf => /dev/ttyACM0


avrdude: AVR device initialized and ready to accept instructions


Reading | ################################################## | 100% 0.00s


avrdude: Device signature = 0x1e950f (probably m328p)
avrdude: erasing chip
avrdude: reading input file "avr-hal/target/avr-atmega328p/debug/uno-i2cdetect.elf"
avrdude: writing flash (1654 bytes):


Writing | ################################################## | 100% 0.27s


avrdude: 1654 bytes of flash written
avrdude: verifying flash memory against avr-hal/target/avr-atmega328p/debug/uno-i2cdetect.elf:
avrdude: load data flash data from input file avr-hal/target/avr-atmega328p/debug/uno-i2cdetect.elf:
avrdude: input file avr-hal/target/avr-atmega328p/debug/uno-i2cdetect.elf contains 1654 bytes
avrdude: reading on-chip flash data:


Reading | ################################################## | 100% 0.21s


avrdude: verifying ...
avrdude: 1654 bytes of flash verified


avrdude: safemode: Fuses OK (E:00, H:00, L:00)


avrdude done.  Thank you.


  Programmed avr-hal/target/avr-atmega328p/debug/uno-i2cdetect.elf
     Console /dev/ttyACM0 at 57600 baud