Cargo.toml

[package]
name = "rust-arduino-blink"
version = "0.2.0"
authors = ["Volodymyr M. Lisivka <vlisivka@gmail.com>"]
edition = "2018"

[[bin]]
name = "rust-arduino-blink"
# Commands "cargo test" and "cargo bench" will not compile, because of no_std.
test = false
bench = false

[dependencies]

# Empty stubs for few functions required for panic handling
avr-std-stub = "1.0"

# AVR Hardware Abstraction Library.
# It's not packaged yet to crates.io, because it requires nightly version of Rust
arduino-uno = { git = "https://github.com/Rahix/avr-hal", rev = "b1aedf82" }

# Settings for regular cargo invocation
[profile.dev]

# Panic handling is not available
panic = "abort"

# Link Time Optimization, to remove unused code
lto = true

# Code works properly with "s" or "z" optimization level only, because
# 1,2,3 levels unrols loops and breaks timings, while 0 level is too slow.
# "s" - optimize by size, "z" - optimize by size, but without loop vectorization.
opt-level = "s"

# Settings for cargo invocation with --release switch
[profile.release]

# Optimize by size.
opt-level = "s"

# Debug information is still handy to have.
debug = true

# Link Time Optimization, to remove unused code
lto = true

# Compile program in 1 thread, so optimizer will have all information for optimizations.
codegen-units = 1

# Panic handling is not available
panic = 'abort'

# See also ./cargo/config.toml