format_no_std

Implements write_str to get write_fmt, which is used in the format!() and format_args!() macros. For no_std formatting in a bare metal environment.

License

Licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
• MIT License (LICENSE-MIT or https://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 dual licensed as above, without any additional terms or conditions.

Usage

Library usage example

let mut buf = [0u8; 64];
let s = format_no_std::show(
    &mut buf,
    format_args!("Test String {}: {}", "foo", 42),
).unwrap();

assert_eq!("Test String foo: 42", s);

lib.rs:

Implements write_str to get write_fmt, which is used in the format!() and format_args!() macros. For no_std formatting in a bare metal environment.

This code is based on https://stackoverflow.com/questions/50200268/how-can-i-use-the-format-macro-in-a-no-std-environment

let mut buf = [0u8; 64];
let s = format_no_std::show(
    &mut buf,
    format_args!("Test String {}: {}", "foo", 42),
).unwrap();

assert_eq!("Test String foo: 42", s);