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rtt-log

This Rust crate provides a log facade implementation for the Segger RTT protocol supported by the J-Link, ST-Link and other debug probes. It currently supports ARM Cortex-M and RISC-V targets via the rtt-target crate.

Usage

Either the cortex-m or the riscv platform feature must be enabled when defining this crate dependency.

// Init the logger with maximum level (Trace).
rtt_log::init();

// Alternatively, init the logger with specific level.
rtt_log::init_with_level(log::LevelFilter::Debug);

// Log something.
log::debug!("Application started");

Features

cortex-m

Support for ARM Cortex-M targets. Disabled by default.

riscv

Support for RISC-V targets. Disabled by default.

Use a tool like probe-run on the host to print the messages.

License

Published under the MIT license.