swaits
0943274496
Move common type aliases, peripheral bundles, and init helpers for ESP32-S3 boards into src/board/esp32s3.rs. Heltec V3 (146->48 lines) and V4 (155->57 lines) become thin wrappers containing only board-specific code (Vext GPIO pin, display reset sequence). Update build.rs to exclude esp32s3.rs from board discovery and mod.rs.j2 to include the shared module under an ESP feature gate.
67 lines
2.2 KiB
Rust
67 lines
2.2 KiB
Rust
use minijinja::{context, Environment};
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use owo_colors::OwoColorize;
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use std::fs;
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fn main() {
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// Protocol tests run on the host without a board feature. Cargo doesn't
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// expose `cfg(test)` to build scripts, so we rely on an env var set by
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// the justfile `test` recipe. See: `just test`
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if std::env::var_os("DONGLORA_HOST_TEST").is_some() {
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return;
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}
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let board_dir = "src/board";
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let boards: Vec<String> = fs::read_dir(board_dir)
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.expect("failed to read src/board directory")
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.filter_map(|e| {
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let p = e.ok()?.path();
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let stem = p.file_stem()?.to_str()?;
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// Exclude non-board files: mod.rs, traits.rs, and platform helpers (esp32s3.rs).
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if p.is_file()
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&& p.extension()? == "rs"
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&& !matches!(stem, "mod" | "traits" | "esp32s3")
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{
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return Some(p.file_stem()?.to_str()?.to_string());
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}
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None
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})
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.collect();
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let enabled: Vec<_> = std::env::vars()
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.filter(|(k, _)| k.starts_with("CARGO_FEATURE_"))
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.map(|(k, _)| k.replace("CARGO_FEATURE_", "").to_lowercase())
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.filter(|f| boards.contains(f))
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.collect();
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match enabled.len() {
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0 => panic!(
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"\n\n{}\n",
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format!("No board selected! Found: {:?}", boards)
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.red()
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.bold()
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),
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1 => println!("cargo:rustc-cfg=board_selected"),
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_ => panic!(
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"\n\n{}\n",
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format!("Conflict: Multiple boards enabled {:?}", enabled)
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.yellow()
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.bold()
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),
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}
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let mut env = Environment::new();
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let template =
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fs::read_to_string("src/board/mod.rs.j2").expect("missing src/board/mod.rs.j2");
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env.add_template("mod", &template)
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.expect("failed to parse board template");
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let rendered = env
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.get_template("mod")
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.expect("template not found")
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.render(context!(boards => boards))
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.expect("failed to render board module");
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fs::write("src/board/mod.rs", rendered).expect("failed to write src/board/mod.rs");
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println!("cargo:rerun-if-changed=src/board/mod.rs.j2");
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println!("cargo:rerun-if-changed={}", board_dir);
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}
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