Rendering - thorough overhaul of how sericom-core handles rendering.

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["sericom", "sericom-core"]
+members = ["sericom", "sericom-core", "test-sericom"]
 resolver = "3"
 
 [workspace.package]
@@ -11,14 +11,23 @@ repository = "https://github.com/tkatter/sericom"
 [workspace.dependencies]
 chrono = "0.4.42"
 crossterm = { version = "0.29.0", features = ["osc52", "event-stream"] }
-miette = { version = "7.6.0", features = ["fancy"] }
-serial2-tokio = { version = "0.1.19", features = ["windows"] }
+miette = "7.6.0"
 tokio = { version = "1.48.0", features = ["full"] }
-tracing = "0.1.41"
+serial2-tokio = "0.1.19"
+tracing = "0.1.43"
 
 [patch.crates-io]
 sericom-core = { path = "sericom-core" }
 
+# Keeps usefull information for perf report
+[profile.perf]
+inherits = "release"
+debug = true          # keep DWARF info for perf/flamegraph
+lto = "fat"           # don't merge crates; keeps crate boundaries visible
+codegen-units = 1     # better optimizer consistency
+opt-level = 3         # full optimization
+strip = "none"        # ensure debug info isn't stripped
+
 # The profile that 'dist' will build with
 [profile.dist]
 inherits = "release"

justfile

@@ -0,0 +1,55 @@
+alias b := build
+alias br := build-release
+alias c := check
+alias f := fmt
+alias l := lint
+alias r := run
+alias t := test
+alias tt := test-trace
+
+default-trace := 'sericom-core'
+default-tests := ''
+
+default: check lint
+
+build:
+  cargo build
+
+build-release:
+  cargo build --release
+
+check:
+  cargo check
+
+check-win:
+  cargo check --target x86_64-pc-windows-msvc
+
+clean:
+  cargo clean
+
+fmt:
+  cargo fmt
+
+lint:
+  cargo clippy
+
+list-tests:
+  cargo test -- --list
+
+run:
+  cargo run -p sericom
+
+run-file:
+  cargo run -- /dev/ttyUSB0 -f
+
+testseri:
+  cargo run -p test-sericom
+
+run-trace:
+  cargo run -- /dev/ttyUSB0 -d
+
+test tests=default-tests:
+  cargo test {{tests}} --no-fail-fast --lib
+
+test-trace tests=default-tests:
+  RUST_LOG='sericom_core::screen::buffer=debug,sericom_core=trace' cargo test {{tests}} --no-fail-fast --lib -- --nocapture

sericom-core/Cargo.toml

@@ -9,12 +9,22 @@ exclude.workspace = true
 repository.workspace = true
 
 [dependencies]
+parking_lot = "0.12.5"
 serde = { version = "1.0.228", features = ["derive"] }
 thiserror = "2.0.17"
 toml = "0.9.8"
 chrono.workspace = true
 crossterm.workspace = true
 miette.workspace = true
-serial2-tokio.workspace = true
+serial2-tokio = { workspace = true, features = ["windows"] }
 tokio.workspace = true
-tracing.workspace = true
+tracing = { workspace = true, features = ["attributes"] }
+
+[dev-dependencies]
+test-log = {version = "0.2.18", default-features = false, features = ["trace", "color"]}
+test-sericom = { version = "0.1.0", path = "../test-sericom" }
+
+[lints.clippy]
+pedantic = "warn"
+perf = "warn"
+nursery = "warn"