mirror of
https://github.com/embassy-rs/embassy.git
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Merge pull request #3005 from honzasp/check-cfg
Emit cargo:rustc-check-cfg instructions from build.rs
This commit is contained in:
Dario Nieuwenhuis
GitHub
commit
441ca8f64d
@ -3,6 +3,9 @@ use std::fmt::Write;
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use std::path::PathBuf;
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use std::{env, fs};
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#[path = "./build_common.rs"]
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mod common;
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static CONFIGS: &[(&str, usize)] = &[
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// BEGIN AUTOGENERATED CONFIG FEATURES
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// Generated by gen_config.py. DO NOT EDIT.
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@ -91,30 +94,6 @@ fn main() {
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let out_file = out_dir.join("config.rs").to_string_lossy().to_string();
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fs::write(out_file, data).unwrap();
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// cortex-m targets
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let target = env::var("TARGET").unwrap();
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if target.starts_with("thumbv6m-") {
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println!("cargo:rustc-cfg=cortex_m");
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println!("cargo:rustc-cfg=armv6m");
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} else if target.starts_with("thumbv7m-") {
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println!("cargo:rustc-cfg=cortex_m");
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println!("cargo:rustc-cfg=armv7m");
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} else if target.starts_with("thumbv7em-") {
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println!("cargo:rustc-cfg=cortex_m");
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println!("cargo:rustc-cfg=armv7m");
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println!("cargo:rustc-cfg=armv7em"); // (not currently used)
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} else if target.starts_with("thumbv8m.base") {
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println!("cargo:rustc-cfg=cortex_m");
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println!("cargo:rustc-cfg=armv8m");
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println!("cargo:rustc-cfg=armv8m_base");
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} else if target.starts_with("thumbv8m.main") {
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println!("cargo:rustc-cfg=cortex_m");
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println!("cargo:rustc-cfg=armv8m");
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println!("cargo:rustc-cfg=armv8m_main");
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}
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if target.ends_with("-eabihf") {
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println!("cargo:rustc-cfg=has_fpu");
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}
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let mut rustc_cfgs = common::CfgSet::new();
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common::set_target_cfgs(&mut rustc_cfgs);
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}
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109
embassy-executor/build_common.rs
Normal file
109
embassy-executor/build_common.rs
Normal file
@ -0,0 +1,109 @@
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// NOTE: this file is copy-pasted between several Embassy crates, because there is no
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// straightforward way to share this code:
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// - it cannot be placed into the root of the repo and linked from each build.rs using `#[path =
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// "../build_common.rs"]`, because `cargo publish` requires that all files published with a crate
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// reside in the crate's directory,
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// - it cannot be symlinked from `embassy-xxx/build_common.rs` to `../build_common.rs`, because
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// symlinks don't work on Windows.
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use std::collections::HashSet;
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use std::env;
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use std::ffi::OsString;
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use std::process::Command;
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/// Helper for emitting cargo instruction for enabling configs (`cargo:rustc-cfg=X`) and declaring
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/// them (`cargo:rust-check-cfg=cfg(X)`).
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#[derive(Debug)]
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pub struct CfgSet {
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enabled: HashSet<String>,
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declared: HashSet<String>,
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emit_declared: bool,
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}
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impl CfgSet {
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pub fn new() -> Self {
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Self {
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enabled: HashSet::new(),
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declared: HashSet::new(),
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emit_declared: is_rustc_nightly(),
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}
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}
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/// Enable a config, which can then be used in `#[cfg(...)]` for conditional compilation.
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///
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/// All configs that can potentially be enabled should be unconditionally declared using
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/// [`Self::declare()`].
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pub fn enable(&mut self, cfg: impl AsRef<str>) {
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if self.enabled.insert(cfg.as_ref().to_owned()) {
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println!("cargo:rustc-cfg={}", cfg.as_ref());
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}
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}
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pub fn enable_all(&mut self, cfgs: &[impl AsRef<str>]) {
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for cfg in cfgs.iter() {
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self.enable(cfg.as_ref());
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}
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}
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/// Declare a valid config for conditional compilation, without enabling it.
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///
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/// This enables rustc to check that the configs in `#[cfg(...)]` attributes are valid.
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pub fn declare(&mut self, cfg: impl AsRef<str>) {
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if self.declared.insert(cfg.as_ref().to_owned()) && self.emit_declared {
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println!("cargo:rustc-check-cfg=cfg({})", cfg.as_ref());
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}
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}
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pub fn declare_all(&mut self, cfgs: &[impl AsRef<str>]) {
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for cfg in cfgs.iter() {
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self.declare(cfg.as_ref());
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}
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}
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pub fn set(&mut self, cfg: impl Into<String>, enable: bool) {
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let cfg = cfg.into();
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if enable {
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self.enable(cfg.clone());
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}
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self.declare(cfg);
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}
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}
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fn is_rustc_nightly() -> bool {
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let rustc = env::var_os("RUSTC").unwrap_or_else(|| OsString::from("rustc"));
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let output = Command::new(rustc)
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.arg("--version")
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.output()
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.expect("failed to run `rustc --version`");
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String::from_utf8_lossy(&output.stdout).contains("nightly")
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}
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/// Sets configs that describe the target platform.
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pub fn set_target_cfgs(cfgs: &mut CfgSet) {
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let target = env::var("TARGET").unwrap();
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if target.starts_with("thumbv6m-") {
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cfgs.enable_all(&["cortex_m", "armv6m"]);
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} else if target.starts_with("thumbv7m-") {
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cfgs.enable_all(&["cortex_m", "armv7m"]);
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} else if target.starts_with("thumbv7em-") {
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cfgs.enable_all(&["cortex_m", "armv7m", "armv7em"]);
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} else if target.starts_with("thumbv8m.base") {
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cfgs.enable_all(&["cortex_m", "armv8m", "armv8m_base"]);
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} else if target.starts_with("thumbv8m.main") {
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cfgs.enable_all(&["cortex_m", "armv8m", "armv8m_main"]);
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}
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cfgs.declare_all(&[
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"cortex_m",
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"armv6m",
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"armv7m",
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"armv7em",
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"armv8m",
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"armv8m_base",
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"armv8m_main",
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]);
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cfgs.set("has_fpu", target.ends_with("-eabihf"));
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}
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@ -1,29 +1,7 @@
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use std::env;
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#[path = "./build_common.rs"]
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mod common;
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fn main() {
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let target = env::var("TARGET").unwrap();
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if target.starts_with("thumbv6m-") {
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println!("cargo:rustc-cfg=cortex_m");
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println!("cargo:rustc-cfg=armv6m");
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} else if target.starts_with("thumbv7m-") {
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println!("cargo:rustc-cfg=cortex_m");
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println!("cargo:rustc-cfg=armv7m");
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} else if target.starts_with("thumbv7em-") {
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println!("cargo:rustc-cfg=cortex_m");
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println!("cargo:rustc-cfg=armv7m");
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println!("cargo:rustc-cfg=armv7em"); // (not currently used)
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} else if target.starts_with("thumbv8m.base") {
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println!("cargo:rustc-cfg=cortex_m");
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println!("cargo:rustc-cfg=armv8m");
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println!("cargo:rustc-cfg=armv8m_base");
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} else if target.starts_with("thumbv8m.main") {
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println!("cargo:rustc-cfg=cortex_m");
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println!("cargo:rustc-cfg=armv8m");
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println!("cargo:rustc-cfg=armv8m_main");
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}
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if target.ends_with("-eabihf") {
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println!("cargo:rustc-cfg=has_fpu");
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}
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let mut cfgs = common::CfgSet::new();
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common::set_target_cfgs(&mut cfgs);
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}
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109
embassy-hal-internal/build_common.rs
Normal file
109
embassy-hal-internal/build_common.rs
Normal file
@ -0,0 +1,109 @@
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// NOTE: this file is copy-pasted between several Embassy crates, because there is no
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// straightforward way to share this code:
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// - it cannot be placed into the root of the repo and linked from each build.rs using `#[path =
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// "../build_common.rs"]`, because `cargo publish` requires that all files published with a crate
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// reside in the crate's directory,
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// - it cannot be symlinked from `embassy-xxx/build_common.rs` to `../build_common.rs`, because
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// symlinks don't work on Windows.
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use std::collections::HashSet;
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use std::env;
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use std::ffi::OsString;
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use std::process::Command;
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/// Helper for emitting cargo instruction for enabling configs (`cargo:rustc-cfg=X`) and declaring
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/// them (`cargo:rust-check-cfg=cfg(X)`).
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#[derive(Debug)]
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pub struct CfgSet {
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enabled: HashSet<String>,
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declared: HashSet<String>,
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emit_declared: bool,
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}
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impl CfgSet {
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pub fn new() -> Self {
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Self {
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enabled: HashSet::new(),
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declared: HashSet::new(),
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emit_declared: is_rustc_nightly(),
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}
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}
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/// Enable a config, which can then be used in `#[cfg(...)]` for conditional compilation.
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///
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/// All configs that can potentially be enabled should be unconditionally declared using
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/// [`Self::declare()`].
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pub fn enable(&mut self, cfg: impl AsRef<str>) {
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if self.enabled.insert(cfg.as_ref().to_owned()) {
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println!("cargo:rustc-cfg={}", cfg.as_ref());
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}
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}
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pub fn enable_all(&mut self, cfgs: &[impl AsRef<str>]) {
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for cfg in cfgs.iter() {
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self.enable(cfg.as_ref());
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}
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}
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/// Declare a valid config for conditional compilation, without enabling it.
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///
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/// This enables rustc to check that the configs in `#[cfg(...)]` attributes are valid.
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pub fn declare(&mut self, cfg: impl AsRef<str>) {
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if self.declared.insert(cfg.as_ref().to_owned()) && self.emit_declared {
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println!("cargo:rustc-check-cfg=cfg({})", cfg.as_ref());
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}
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}
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pub fn declare_all(&mut self, cfgs: &[impl AsRef<str>]) {
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for cfg in cfgs.iter() {
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self.declare(cfg.as_ref());
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}
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}
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pub fn set(&mut self, cfg: impl Into<String>, enable: bool) {
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let cfg = cfg.into();
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if enable {
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self.enable(cfg.clone());
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}
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self.declare(cfg);
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}
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}
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fn is_rustc_nightly() -> bool {
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let rustc = env::var_os("RUSTC").unwrap_or_else(|| OsString::from("rustc"));
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let output = Command::new(rustc)
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.arg("--version")
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.output()
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.expect("failed to run `rustc --version`");
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String::from_utf8_lossy(&output.stdout).contains("nightly")
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}
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/// Sets configs that describe the target platform.
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pub fn set_target_cfgs(cfgs: &mut CfgSet) {
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let target = env::var("TARGET").unwrap();
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if target.starts_with("thumbv6m-") {
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cfgs.enable_all(&["cortex_m", "armv6m"]);
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} else if target.starts_with("thumbv7m-") {
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cfgs.enable_all(&["cortex_m", "armv7m"]);
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} else if target.starts_with("thumbv7em-") {
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cfgs.enable_all(&["cortex_m", "armv7m", "armv7em"]);
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} else if target.starts_with("thumbv8m.base") {
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cfgs.enable_all(&["cortex_m", "armv8m", "armv8m_base"]);
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} else if target.starts_with("thumbv8m.main") {
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cfgs.enable_all(&["cortex_m", "armv8m", "armv8m_main"]);
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}
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cfgs.declare_all(&[
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"cortex_m",
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"armv6m",
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"armv7m",
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"armv7em",
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"armv8m",
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"armv8m_base",
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"armv8m_main",
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]);
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cfgs.set("has_fpu", target.ends_with("-eabihf"));
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}
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@ -166,7 +166,7 @@ impl<'d, T: Instance> Qspi<'d, T> {
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$pin.conf().write(|w| {
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w.dir().output();
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w.drive().h0h1();
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#[cfg(feature = "_nrf5340-s")]
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#[cfg(all(feature = "_nrf5340", feature = "_s"))]
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w.mcusel().peripheral();
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w
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});
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@ -72,7 +72,7 @@ rand_core = "0.6.3"
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sdio-host = "0.5.0"
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critical-section = "1.1"
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#stm32-metapac = { version = "15" }
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stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-ad633a3e266151ea4d8fad630031a075ee02ab34" }
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stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-59b1f65bd109c3ef35782e6c44062208d0ef3d0e" }
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vcell = "0.1.3"
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nb = "1.0.0"
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@ -97,7 +97,7 @@ proc-macro2 = "1.0.36"
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quote = "1.0.15"
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#stm32-metapac = { version = "15", default-features = false, features = ["metadata"]}
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stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-ad633a3e266151ea4d8fad630031a075ee02ab34", default-features = false, features = ["metadata"]}
|
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stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-59b1f65bd109c3ef35782e6c44062208d0ef3d0e", default-features = false, features = ["metadata"] }
|
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[features]
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default = ["rt"]
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@ -9,35 +9,16 @@ use proc_macro2::{Ident, TokenStream};
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use quote::{format_ident, quote};
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use stm32_metapac::metadata::ir::BitOffset;
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use stm32_metapac::metadata::{
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MemoryRegionKind, PeripheralRccKernelClock, PeripheralRccRegister, PeripheralRegisters, StopMode, METADATA,
|
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MemoryRegionKind, PeripheralRccKernelClock, PeripheralRccRegister, PeripheralRegisters, StopMode, ALL_CHIPS,
|
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ALL_PERIPHERAL_VERSIONS, METADATA,
|
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};
|
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|
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#[path = "./build_common.rs"]
|
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mod common;
|
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|
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fn main() {
|
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let target = env::var("TARGET").unwrap();
|
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|
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if target.starts_with("thumbv6m-") {
|
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println!("cargo:rustc-cfg=cortex_m");
|
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println!("cargo:rustc-cfg=armv6m");
|
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} else if target.starts_with("thumbv7m-") {
|
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println!("cargo:rustc-cfg=cortex_m");
|
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println!("cargo:rustc-cfg=armv7m");
|
||||
} else if target.starts_with("thumbv7em-") {
|
||||
println!("cargo:rustc-cfg=cortex_m");
|
||||
println!("cargo:rustc-cfg=armv7m");
|
||||
println!("cargo:rustc-cfg=armv7em"); // (not currently used)
|
||||
} else if target.starts_with("thumbv8m.base") {
|
||||
println!("cargo:rustc-cfg=cortex_m");
|
||||
println!("cargo:rustc-cfg=armv8m");
|
||||
println!("cargo:rustc-cfg=armv8m_base");
|
||||
} else if target.starts_with("thumbv8m.main") {
|
||||
println!("cargo:rustc-cfg=cortex_m");
|
||||
println!("cargo:rustc-cfg=armv8m");
|
||||
println!("cargo:rustc-cfg=armv8m_main");
|
||||
}
|
||||
|
||||
if target.ends_with("-eabihf") {
|
||||
println!("cargo:rustc-cfg=has_fpu");
|
||||
}
|
||||
let mut cfgs = common::CfgSet::new();
|
||||
common::set_target_cfgs(&mut cfgs);
|
||||
|
||||
let chip_name = match env::vars()
|
||||
.map(|(a, _)| a)
|
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@ -56,8 +37,15 @@ fn main() {
|
||||
|
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for p in METADATA.peripherals {
|
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if let Some(r) = &p.registers {
|
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println!("cargo:rustc-cfg={}", r.kind);
|
||||
println!("cargo:rustc-cfg={}_{}", r.kind, r.version);
|
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cfgs.enable(r.kind);
|
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cfgs.enable(format!("{}_{}", r.kind, r.version));
|
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}
|
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}
|
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|
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for &(kind, versions) in ALL_PERIPHERAL_VERSIONS.iter() {
|
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cfgs.declare(kind);
|
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for &version in versions.iter() {
|
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cfgs.declare(format!("{}_{}", kind, version));
|
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}
|
||||
}
|
||||
|
||||
@ -67,7 +55,13 @@ fn main() {
|
||||
let mut singletons: Vec<String> = Vec::new();
|
||||
for p in METADATA.peripherals {
|
||||
if let Some(r) = &p.registers {
|
||||
println!("cargo:rustc-cfg=peri_{}", p.name.to_ascii_lowercase());
|
||||
if r.kind == "adccommon" || r.kind == "sai" || r.kind == "ucpd" {
|
||||
// TODO: should we emit this for all peripherals? if so, we will need a list of all
|
||||
// possible peripherals across all chips, so that we can declare the configs
|
||||
// (replacing the hard-coded list of `peri_*` cfgs below)
|
||||
cfgs.enable(format!("peri_{}", p.name.to_ascii_lowercase()));
|
||||
}
|
||||
|
||||
match r.kind {
|
||||
// Generate singletons per pin, not per port
|
||||
"gpio" => {
|
||||
@ -87,7 +81,7 @@ fn main() {
|
||||
if pin.signal.starts_with("MCO") {
|
||||
let name = pin.signal.replace('_', "").to_string();
|
||||
if !singletons.contains(&name) {
|
||||
println!("cargo:rustc-cfg={}", name.to_ascii_lowercase());
|
||||
cfgs.enable(name.to_ascii_lowercase());
|
||||
singletons.push(name);
|
||||
}
|
||||
}
|
||||
@ -106,6 +100,20 @@ fn main() {
|
||||
}
|
||||
}
|
||||
|
||||
cfgs.declare_all(&[
|
||||
"peri_adc1_common",
|
||||
"peri_adc3_common",
|
||||
"peri_adc12_common",
|
||||
"peri_adc34_common",
|
||||
"peri_sai1",
|
||||
"peri_sai2",
|
||||
"peri_sai3",
|
||||
"peri_sai4",
|
||||
"peri_ucpd1",
|
||||
"peri_ucpd2",
|
||||
]);
|
||||
cfgs.declare_all(&["mco", "mco1", "mco2"]);
|
||||
|
||||
// One singleton per EXTI line
|
||||
for pin_num in 0..16 {
|
||||
singletons.push(format!("EXTI{}", pin_num));
|
||||
@ -221,7 +229,13 @@ fn main() {
|
||||
};
|
||||
|
||||
if !time_driver_singleton.is_empty() {
|
||||
println!("cargo:rustc-cfg=time_driver_{}", time_driver_singleton.to_lowercase());
|
||||
cfgs.enable(format!("time_driver_{}", time_driver_singleton.to_lowercase()));
|
||||
}
|
||||
for tim in [
|
||||
"tim1", "tim2", "tim3", "tim4", "tim5", "tim8", "tim9", "tim12", "tim15", "tim20", "tim21", "tim22", "tim23",
|
||||
"tim24",
|
||||
] {
|
||||
cfgs.declare(format!("time_driver_{}", tim));
|
||||
}
|
||||
|
||||
// ========
|
||||
@ -1593,6 +1607,11 @@ fn main() {
|
||||
rustfmt(&out_file);
|
||||
|
||||
// ========
|
||||
// Configs for multicore and for targeting groups of chips
|
||||
|
||||
fn get_chip_cfgs(chip_name: &str) -> Vec<String> {
|
||||
let mut cfgs = Vec::new();
|
||||
|
||||
// Multicore
|
||||
|
||||
let mut s = chip_name.split('_');
|
||||
@ -1610,39 +1629,45 @@ fn main() {
|
||||
};
|
||||
|
||||
if let Some(core) = core_name {
|
||||
println!("cargo:rustc-cfg={}_{}", &chip_name[..chip_name.len() - 2], core);
|
||||
cfgs.push(format!("{}_{}", &chip_name[..chip_name.len() - 2], core));
|
||||
}
|
||||
|
||||
// =======
|
||||
// Features for targeting groups of chips
|
||||
|
||||
// Configs for targeting groups of chips
|
||||
if &chip_name[..8] == "stm32wba" {
|
||||
println!("cargo:rustc-cfg={}", &chip_name[..8]); // stm32wba
|
||||
println!("cargo:rustc-cfg={}", &chip_name[..10]); // stm32wba52
|
||||
println!("cargo:rustc-cfg=package_{}", &chip_name[10..11]);
|
||||
println!("cargo:rustc-cfg=flashsize_{}", &chip_name[11..12]);
|
||||
cfgs.push(chip_name[..8].to_owned()); // stm32wba
|
||||
cfgs.push(chip_name[..10].to_owned()); // stm32wba52
|
||||
cfgs.push(format!("package_{}", &chip_name[10..11]));
|
||||
cfgs.push(format!("flashsize_{}", &chip_name[11..12]));
|
||||
} else {
|
||||
if &chip_name[..8] == "stm32h7r" || &chip_name[..8] == "stm32h7s" {
|
||||
println!("cargo:rustc-cfg=stm32h7rs");
|
||||
cfgs.push("stm32h7rs".to_owned());
|
||||
} else {
|
||||
println!("cargo:rustc-cfg={}", &chip_name[..7]); // stm32f4
|
||||
cfgs.push(chip_name[..7].to_owned()); // stm32f4
|
||||
}
|
||||
println!("cargo:rustc-cfg={}", &chip_name[..9]); // stm32f429
|
||||
println!("cargo:rustc-cfg={}x", &chip_name[..8]); // stm32f42x
|
||||
println!("cargo:rustc-cfg={}x{}", &chip_name[..7], &chip_name[8..9]); // stm32f4x9
|
||||
println!("cargo:rustc-cfg=package_{}", &chip_name[9..10]);
|
||||
println!("cargo:rustc-cfg=flashsize_{}", &chip_name[10..11]);
|
||||
cfgs.push(chip_name[..9].to_owned()); // stm32f429
|
||||
cfgs.push(format!("{}x", &chip_name[..8])); // stm32f42x
|
||||
cfgs.push(format!("{}x{}", &chip_name[..7], &chip_name[8..9])); // stm32f4x9
|
||||
cfgs.push(format!("package_{}", &chip_name[9..10]));
|
||||
cfgs.push(format!("flashsize_{}", &chip_name[10..11]));
|
||||
}
|
||||
|
||||
// Mark the L4+ chips as they have many differences to regular L4.
|
||||
if &chip_name[..7] == "stm32l4" {
|
||||
if "pqrs".contains(&chip_name[7..8]) {
|
||||
println!("cargo:rustc-cfg=stm32l4_plus");
|
||||
cfgs.push("stm32l4_plus".to_owned());
|
||||
} else {
|
||||
println!("cargo:rustc-cfg=stm32l4_nonplus");
|
||||
cfgs.push("stm32l4_nonplus".to_owned());
|
||||
}
|
||||
}
|
||||
|
||||
cfgs
|
||||
}
|
||||
|
||||
cfgs.enable_all(&get_chip_cfgs(&chip_name));
|
||||
for &chip_name in ALL_CHIPS.iter() {
|
||||
cfgs.declare_all(&get_chip_cfgs(&chip_name.to_ascii_lowercase()));
|
||||
}
|
||||
|
||||
println!("cargo:rerun-if-changed=build.rs");
|
||||
}
|
||||
|
||||
|
||||
109
embassy-stm32/build_common.rs
Normal file
109
embassy-stm32/build_common.rs
Normal file
@ -0,0 +1,109 @@
|
||||
// NOTE: this file is copy-pasted between several Embassy crates, because there is no
|
||||
// straightforward way to share this code:
|
||||
// - it cannot be placed into the root of the repo and linked from each build.rs using `#[path =
|
||||
// "../build_common.rs"]`, because `cargo publish` requires that all files published with a crate
|
||||
// reside in the crate's directory,
|
||||
// - it cannot be symlinked from `embassy-xxx/build_common.rs` to `../build_common.rs`, because
|
||||
// symlinks don't work on Windows.
|
||||
|
||||
use std::collections::HashSet;
|
||||
use std::env;
|
||||
use std::ffi::OsString;
|
||||
use std::process::Command;
|
||||
|
||||
/// Helper for emitting cargo instruction for enabling configs (`cargo:rustc-cfg=X`) and declaring
|
||||
/// them (`cargo:rust-check-cfg=cfg(X)`).
|
||||
#[derive(Debug)]
|
||||
pub struct CfgSet {
|
||||
enabled: HashSet<String>,
|
||||
declared: HashSet<String>,
|
||||
emit_declared: bool,
|
||||
}
|
||||
|
||||
impl CfgSet {
|
||||
pub fn new() -> Self {
|
||||
Self {
|
||||
enabled: HashSet::new(),
|
||||
declared: HashSet::new(),
|
||||
emit_declared: is_rustc_nightly(),
|
||||
}
|
||||
}
|
||||
|
||||
/// Enable a config, which can then be used in `#[cfg(...)]` for conditional compilation.
|
||||
///
|
||||
/// All configs that can potentially be enabled should be unconditionally declared using
|
||||
/// [`Self::declare()`].
|
||||
pub fn enable(&mut self, cfg: impl AsRef<str>) {
|
||||
if self.enabled.insert(cfg.as_ref().to_owned()) {
|
||||
println!("cargo:rustc-cfg={}", cfg.as_ref());
|
||||
}
|
||||
}
|
||||
|
||||
pub fn enable_all(&mut self, cfgs: &[impl AsRef<str>]) {
|
||||
for cfg in cfgs.iter() {
|
||||
self.enable(cfg.as_ref());
|
||||
}
|
||||
}
|
||||
|
||||
/// Declare a valid config for conditional compilation, without enabling it.
|
||||
///
|
||||
/// This enables rustc to check that the configs in `#[cfg(...)]` attributes are valid.
|
||||
pub fn declare(&mut self, cfg: impl AsRef<str>) {
|
||||
if self.declared.insert(cfg.as_ref().to_owned()) && self.emit_declared {
|
||||
println!("cargo:rustc-check-cfg=cfg({})", cfg.as_ref());
|
||||
}
|
||||
}
|
||||
|
||||
pub fn declare_all(&mut self, cfgs: &[impl AsRef<str>]) {
|
||||
for cfg in cfgs.iter() {
|
||||
self.declare(cfg.as_ref());
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set(&mut self, cfg: impl Into<String>, enable: bool) {
|
||||
let cfg = cfg.into();
|
||||
if enable {
|
||||
self.enable(cfg.clone());
|
||||
}
|
||||
self.declare(cfg);
|
||||
}
|
||||
}
|
||||
|
||||
fn is_rustc_nightly() -> bool {
|
||||
let rustc = env::var_os("RUSTC").unwrap_or_else(|| OsString::from("rustc"));
|
||||
|
||||
let output = Command::new(rustc)
|
||||
.arg("--version")
|
||||
.output()
|
||||
.expect("failed to run `rustc --version`");
|
||||
|
||||
String::from_utf8_lossy(&output.stdout).contains("nightly")
|
||||
}
|
||||
|
||||
/// Sets configs that describe the target platform.
|
||||
pub fn set_target_cfgs(cfgs: &mut CfgSet) {
|
||||
let target = env::var("TARGET").unwrap();
|
||||
|
||||
if target.starts_with("thumbv6m-") {
|
||||
cfgs.enable_all(&["cortex_m", "armv6m"]);
|
||||
} else if target.starts_with("thumbv7m-") {
|
||||
cfgs.enable_all(&["cortex_m", "armv7m"]);
|
||||
} else if target.starts_with("thumbv7em-") {
|
||||
cfgs.enable_all(&["cortex_m", "armv7m", "armv7em"]);
|
||||
} else if target.starts_with("thumbv8m.base") {
|
||||
cfgs.enable_all(&["cortex_m", "armv8m", "armv8m_base"]);
|
||||
} else if target.starts_with("thumbv8m.main") {
|
||||
cfgs.enable_all(&["cortex_m", "armv8m", "armv8m_main"]);
|
||||
}
|
||||
cfgs.declare_all(&[
|
||||
"cortex_m",
|
||||
"armv6m",
|
||||
"armv7m",
|
||||
"armv7em",
|
||||
"armv8m",
|
||||
"armv8m_base",
|
||||
"armv8m_main",
|
||||
]);
|
||||
|
||||
cfgs.set("has_fpu", target.ends_with("-eabihf"));
|
||||
}
|
||||
@ -71,9 +71,9 @@ pub(crate) trait SealedAdcChannel<T> {
|
||||
/// Performs a busy-wait delay for a specified number of microseconds.
|
||||
#[allow(unused)]
|
||||
pub(crate) fn blocking_delay_us(us: u32) {
|
||||
#[cfg(time)]
|
||||
embassy_time::block_for(embassy_time::Duration::from_micros(us));
|
||||
#[cfg(not(time))]
|
||||
#[cfg(feature = "time")]
|
||||
embassy_time::block_for(embassy_time::Duration::from_micros(us as u64));
|
||||
#[cfg(not(feature = "time"))]
|
||||
{
|
||||
let freq = unsafe { crate::rcc::get_freqs() }.sys.unwrap().0 as u64;
|
||||
let us = us as u64;
|
||||
|
||||
@ -31,7 +31,7 @@ impl AdcChannel<ADC1> for Temperature {}
|
||||
impl super::SealedAdcChannel<ADC1> for Temperature {
|
||||
fn channel(&self) -> u8 {
|
||||
cfg_if::cfg_if! {
|
||||
if #[cfg(any(stm32f2, stm32f40, stm32f41))] {
|
||||
if #[cfg(any(stm32f2, stm32f40x, stm32f41x))] {
|
||||
16
|
||||
} else {
|
||||
18
|
||||
|
||||
@ -1132,8 +1132,8 @@ foreach_peripheral!(
|
||||
(can, CAN1) => {
|
||||
cfg_if::cfg_if! {
|
||||
if #[cfg(all(
|
||||
any(stm32l4, stm32f72, stm32f73),
|
||||
not(any(stm32l49, stm32l4a))
|
||||
any(stm32l4, stm32f72x, stm32f73x),
|
||||
not(any(stm32l49x, stm32l4ax))
|
||||
))] {
|
||||
// Most L4 devices and some F7 devices use the name "CAN1"
|
||||
// even if there is no "CAN2" peripheral.
|
||||
|
||||
@ -744,7 +744,7 @@ impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize, const IV_SIZE: usize> Aes
|
||||
} else {
|
||||
aad_header[0] = 0xFF;
|
||||
aad_header[1] = 0xFE;
|
||||
let aad_len_bytes: [u8; 4] = aad_len.to_be_bytes();
|
||||
let aad_len_bytes: [u8; 4] = (aad_len as u32).to_be_bytes();
|
||||
aad_header[2] = aad_len_bytes[0];
|
||||
aad_header[3] = aad_len_bytes[1];
|
||||
aad_header[4] = aad_len_bytes[2];
|
||||
@ -765,7 +765,7 @@ impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize, const IV_SIZE: usize> Aes
|
||||
block0[0] |= ((((TAG_SIZE as u8) - 2) >> 1) & 0x07) << 3;
|
||||
block0[0] |= ((15 - (iv.len() as u8)) - 1) & 0x07;
|
||||
block0[1..1 + iv.len()].copy_from_slice(iv);
|
||||
let payload_len_bytes: [u8; 4] = payload_len.to_be_bytes();
|
||||
let payload_len_bytes: [u8; 4] = (payload_len as u32).to_be_bytes();
|
||||
if iv.len() <= 11 {
|
||||
block0[12] = payload_len_bytes[0];
|
||||
} else if payload_len_bytes[0] > 0 {
|
||||
|
||||
@ -11,9 +11,9 @@ use crate::{peripherals, Peripheral};
|
||||
|
||||
/// Performs a busy-wait delay for a specified number of microseconds.
|
||||
pub fn blocking_delay_ms(ms: u32) {
|
||||
#[cfg(time)]
|
||||
embassy_time::block_for(embassy_time::Duration::from_millis(ms));
|
||||
#[cfg(not(time))]
|
||||
#[cfg(feature = "time")]
|
||||
embassy_time::block_for(embassy_time::Duration::from_millis(ms as u64));
|
||||
#[cfg(not(feature = "time"))]
|
||||
cortex_m::asm::delay(unsafe { crate::rcc::get_freqs() }.sys.unwrap().0 / 1_000 * ms);
|
||||
}
|
||||
|
||||
|
||||
@ -96,7 +96,7 @@ pub enum FlashBank {
|
||||
#[cfg_attr(any(flash_f1, flash_f3), path = "f1f3.rs")]
|
||||
#[cfg_attr(flash_f4, path = "f4.rs")]
|
||||
#[cfg_attr(flash_f7, path = "f7.rs")]
|
||||
#[cfg_attr(any(flash_g0, flash_g4), path = "g.rs")]
|
||||
#[cfg_attr(any(flash_g0, flash_g4c2, flash_g4c3, flash_g4c4), path = "g.rs")]
|
||||
#[cfg_attr(flash_h7, path = "h7.rs")]
|
||||
#[cfg_attr(flash_h7ab, path = "h7.rs")]
|
||||
#[cfg_attr(flash_u5, path = "u5.rs")]
|
||||
@ -105,7 +105,7 @@ pub enum FlashBank {
|
||||
#[cfg_attr(
|
||||
not(any(
|
||||
flash_l0, flash_l1, flash_l4, flash_wl, flash_wb, flash_f0, flash_f1, flash_f3, flash_f4, flash_f7, flash_g0,
|
||||
flash_g4, flash_h7, flash_h7ab, flash_u5, flash_h50, flash_u0
|
||||
flash_g4c2, flash_g4c3, flash_g4c4, flash_h7, flash_h7ab, flash_u5, flash_h50, flash_u0
|
||||
)),
|
||||
path = "other.rs"
|
||||
)]
|
||||
|
||||
@ -35,7 +35,7 @@ where
|
||||
// fmc v1 and v2 does not have the fmcen bit
|
||||
// fsmc v1, v2 and v3 does not have the fmcen bit
|
||||
// This is a "not" because it is expected that all future versions have this bit
|
||||
#[cfg(not(any(fmc_v1x3, fmc_v2x1, fsmc_v1x0, fsmc_v1x3, fsmc_v2x3, fsmc_v3x1, fmc_v4)))]
|
||||
#[cfg(not(any(fmc_v1x3, fmc_v2x1, fsmc_v1x0, fsmc_v1x3, fmc_v4)))]
|
||||
T::REGS.bcr1().modify(|r| r.set_fmcen(true));
|
||||
#[cfg(any(fmc_v4))]
|
||||
T::REGS.nor_psram().bcr1().modify(|r| r.set_fmcen(true));
|
||||
@ -61,7 +61,7 @@ where
|
||||
// fmc v1 and v2 does not have the fmcen bit
|
||||
// fsmc v1, v2 and v3 does not have the fmcen bit
|
||||
// This is a "not" because it is expected that all future versions have this bit
|
||||
#[cfg(not(any(fmc_v1x3, fmc_v2x1, fsmc_v1x0, fsmc_v1x3, fsmc_v2x3, fsmc_v3x1, fmc_v4)))]
|
||||
#[cfg(not(any(fmc_v1x3, fmc_v2x1, fsmc_v1x0, fsmc_v1x3, fmc_v4)))]
|
||||
T::REGS.bcr1().modify(|r| r.set_fmcen(true));
|
||||
#[cfg(any(fmc_v4))]
|
||||
T::REGS.nor_psram().bcr1().modify(|r| r.set_fmcen(true));
|
||||
|
||||
@ -33,7 +33,7 @@ pub enum LseDrive {
|
||||
}
|
||||
|
||||
// All families but these have the LSEDRV register
|
||||
#[cfg(not(any(rcc_f1, rcc_f1cl, rcc_f100, rcc_f2, rcc_f4, rcc_f400, rcc_f410, rcc_l1)))]
|
||||
#[cfg(not(any(rcc_f1, rcc_f1cl, rcc_f100, rcc_f2, rcc_f4, rcc_f410, rcc_l1)))]
|
||||
impl From<LseDrive> for crate::pac::rcc::vals::Lsedrv {
|
||||
fn from(value: LseDrive) -> Self {
|
||||
use crate::pac::rcc::vals::Lsedrv;
|
||||
@ -186,7 +186,7 @@ impl LsConfig {
|
||||
}
|
||||
ok &= reg.lseon() == lse_en;
|
||||
ok &= reg.lsebyp() == lse_byp;
|
||||
#[cfg(not(any(rcc_f1, rcc_f1cl, rcc_f100, rcc_f2, rcc_f4, rcc_f400, rcc_f410, rcc_l1)))]
|
||||
#[cfg(not(any(rcc_f1, rcc_f1cl, rcc_f100, rcc_f2, rcc_f4, rcc_f410, rcc_l1)))]
|
||||
if let Some(lse_drv) = lse_drv {
|
||||
ok &= reg.lsedrv() == lse_drv.into();
|
||||
}
|
||||
@ -224,7 +224,7 @@ impl LsConfig {
|
||||
|
||||
if lse_en {
|
||||
bdcr().modify(|w| {
|
||||
#[cfg(not(any(rcc_f1, rcc_f1cl, rcc_f100, rcc_f2, rcc_f4, rcc_f400, rcc_f410, rcc_l1)))]
|
||||
#[cfg(not(any(rcc_f1, rcc_f1cl, rcc_f100, rcc_f2, rcc_f4, rcc_f410, rcc_l1)))]
|
||||
if let Some(lse_drv) = lse_drv {
|
||||
w.set_lsedrv(lse_drv.into());
|
||||
}
|
||||
|
||||
@ -95,7 +95,7 @@ pub struct Config {
|
||||
|
||||
#[cfg(all(stm32f3, not(rcc_f37)))]
|
||||
pub adc: AdcClockSource,
|
||||
#[cfg(all(stm32f3, not(rcc_f37), adc3_common))]
|
||||
#[cfg(all(stm32f3, not(rcc_f37), any(peri_adc3_common, peri_adc34_common)))]
|
||||
pub adc34: AdcClockSource,
|
||||
|
||||
/// Per-peripheral kernel clock selection muxes
|
||||
@ -125,7 +125,7 @@ impl Default for Config {
|
||||
|
||||
#[cfg(all(stm32f3, not(rcc_f37)))]
|
||||
adc: AdcClockSource::Hclk(AdcHclkPrescaler::Div1),
|
||||
#[cfg(all(stm32f3, not(rcc_f37), adc3_common))]
|
||||
#[cfg(all(stm32f3, not(rcc_f37), any(peri_adc3_common, peri_adc34_common)))]
|
||||
adc34: AdcClockSource::Hclk(AdcHclkPrescaler::Div1),
|
||||
|
||||
mux: Default::default(),
|
||||
@ -339,7 +339,7 @@ pub(crate) unsafe fn init(config: Config) {
|
||||
}
|
||||
};
|
||||
|
||||
#[cfg(all(stm32f3, not(rcc_f37), adc3_common))]
|
||||
#[cfg(all(stm32f3, not(rcc_f37), any(peri_adc3_common, peri_adc34_common)))]
|
||||
let adc34 = {
|
||||
#[cfg(peri_adc3_common)]
|
||||
let common = crate::pac::ADC3_COMMON;
|
||||
@ -404,7 +404,7 @@ pub(crate) unsafe fn init(config: Config) {
|
||||
hclk1: Some(hclk),
|
||||
#[cfg(all(stm32f3, not(rcc_f37)))]
|
||||
adc: Some(adc),
|
||||
#[cfg(all(stm32f3, not(rcc_f37), adc3_common))]
|
||||
#[cfg(all(stm32f3, not(rcc_f37), any(peri_adc3_common, peri_adc34_common)))]
|
||||
adc34: Some(adc34),
|
||||
rtc: rtc,
|
||||
hsi48: hsi48,
|
||||
|
||||
@ -267,9 +267,9 @@ impl<'d, T: Instance> Driver<'d, T> {
|
||||
w.set_fres(true);
|
||||
});
|
||||
|
||||
#[cfg(time)]
|
||||
#[cfg(feature = "time")]
|
||||
embassy_time::block_for(embassy_time::Duration::from_millis(100));
|
||||
#[cfg(not(time))]
|
||||
#[cfg(not(feature = "time"))]
|
||||
cortex_m::asm::delay(unsafe { crate::rcc::get_freqs() }.sys.unwrap().0 / 10);
|
||||
|
||||
#[cfg(not(usb_v4))]
|
||||
|
||||
@ -1,31 +1,7 @@
|
||||
use std::env;
|
||||
#[path = "./build_common.rs"]
|
||||
mod common;
|
||||
|
||||
fn main() {
|
||||
println!("cargo:rerun-if-changed=build.rs");
|
||||
|
||||
let target = env::var("TARGET").unwrap();
|
||||
|
||||
if target.starts_with("thumbv6m-") {
|
||||
println!("cargo:rustc-cfg=cortex_m");
|
||||
println!("cargo:rustc-cfg=armv6m");
|
||||
} else if target.starts_with("thumbv7m-") {
|
||||
println!("cargo:rustc-cfg=cortex_m");
|
||||
println!("cargo:rustc-cfg=armv7m");
|
||||
} else if target.starts_with("thumbv7em-") {
|
||||
println!("cargo:rustc-cfg=cortex_m");
|
||||
println!("cargo:rustc-cfg=armv7m");
|
||||
println!("cargo:rustc-cfg=armv7em"); // (not currently used)
|
||||
} else if target.starts_with("thumbv8m.base") {
|
||||
println!("cargo:rustc-cfg=cortex_m");
|
||||
println!("cargo:rustc-cfg=armv8m");
|
||||
println!("cargo:rustc-cfg=armv8m_base");
|
||||
} else if target.starts_with("thumbv8m.main") {
|
||||
println!("cargo:rustc-cfg=cortex_m");
|
||||
println!("cargo:rustc-cfg=armv8m");
|
||||
println!("cargo:rustc-cfg=armv8m_main");
|
||||
}
|
||||
|
||||
if target.ends_with("-eabihf") {
|
||||
println!("cargo:rustc-cfg=has_fpu");
|
||||
}
|
||||
let mut cfgs = common::CfgSet::new();
|
||||
common::set_target_cfgs(&mut cfgs);
|
||||
}
|
||||
|
||||
109
embassy-sync/build_common.rs
Normal file
109
embassy-sync/build_common.rs
Normal file
@ -0,0 +1,109 @@
|
||||
// NOTE: this file is copy-pasted between several Embassy crates, because there is no
|
||||
// straightforward way to share this code:
|
||||
// - it cannot be placed into the root of the repo and linked from each build.rs using `#[path =
|
||||
// "../build_common.rs"]`, because `cargo publish` requires that all files published with a crate
|
||||
// reside in the crate's directory,
|
||||
// - it cannot be symlinked from `embassy-xxx/build_common.rs` to `../build_common.rs`, because
|
||||
// symlinks don't work on Windows.
|
||||
|
||||
use std::collections::HashSet;
|
||||
use std::env;
|
||||
use std::ffi::OsString;
|
||||
use std::process::Command;
|
||||
|
||||
/// Helper for emitting cargo instruction for enabling configs (`cargo:rustc-cfg=X`) and declaring
|
||||
/// them (`cargo:rust-check-cfg=cfg(X)`).
|
||||
#[derive(Debug)]
|
||||
pub struct CfgSet {
|
||||
enabled: HashSet<String>,
|
||||
declared: HashSet<String>,
|
||||
emit_declared: bool,
|
||||
}
|
||||
|
||||
impl CfgSet {
|
||||
pub fn new() -> Self {
|
||||
Self {
|
||||
enabled: HashSet::new(),
|
||||
declared: HashSet::new(),
|
||||
emit_declared: is_rustc_nightly(),
|
||||
}
|
||||
}
|
||||
|
||||
/// Enable a config, which can then be used in `#[cfg(...)]` for conditional compilation.
|
||||
///
|
||||
/// All configs that can potentially be enabled should be unconditionally declared using
|
||||
/// [`Self::declare()`].
|
||||
pub fn enable(&mut self, cfg: impl AsRef<str>) {
|
||||
if self.enabled.insert(cfg.as_ref().to_owned()) {
|
||||
println!("cargo:rustc-cfg={}", cfg.as_ref());
|
||||
}
|
||||
}
|
||||
|
||||
pub fn enable_all(&mut self, cfgs: &[impl AsRef<str>]) {
|
||||
for cfg in cfgs.iter() {
|
||||
self.enable(cfg.as_ref());
|
||||
}
|
||||
}
|
||||
|
||||
/// Declare a valid config for conditional compilation, without enabling it.
|
||||
///
|
||||
/// This enables rustc to check that the configs in `#[cfg(...)]` attributes are valid.
|
||||
pub fn declare(&mut self, cfg: impl AsRef<str>) {
|
||||
if self.declared.insert(cfg.as_ref().to_owned()) && self.emit_declared {
|
||||
println!("cargo:rustc-check-cfg=cfg({})", cfg.as_ref());
|
||||
}
|
||||
}
|
||||
|
||||
pub fn declare_all(&mut self, cfgs: &[impl AsRef<str>]) {
|
||||
for cfg in cfgs.iter() {
|
||||
self.declare(cfg.as_ref());
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set(&mut self, cfg: impl Into<String>, enable: bool) {
|
||||
let cfg = cfg.into();
|
||||
if enable {
|
||||
self.enable(cfg.clone());
|
||||
}
|
||||
self.declare(cfg);
|
||||
}
|
||||
}
|
||||
|
||||
fn is_rustc_nightly() -> bool {
|
||||
let rustc = env::var_os("RUSTC").unwrap_or_else(|| OsString::from("rustc"));
|
||||
|
||||
let output = Command::new(rustc)
|
||||
.arg("--version")
|
||||
.output()
|
||||
.expect("failed to run `rustc --version`");
|
||||
|
||||
String::from_utf8_lossy(&output.stdout).contains("nightly")
|
||||
}
|
||||
|
||||
/// Sets configs that describe the target platform.
|
||||
pub fn set_target_cfgs(cfgs: &mut CfgSet) {
|
||||
let target = env::var("TARGET").unwrap();
|
||||
|
||||
if target.starts_with("thumbv6m-") {
|
||||
cfgs.enable_all(&["cortex_m", "armv6m"]);
|
||||
} else if target.starts_with("thumbv7m-") {
|
||||
cfgs.enable_all(&["cortex_m", "armv7m"]);
|
||||
} else if target.starts_with("thumbv7em-") {
|
||||
cfgs.enable_all(&["cortex_m", "armv7m", "armv7em"]);
|
||||
} else if target.starts_with("thumbv8m.base") {
|
||||
cfgs.enable_all(&["cortex_m", "armv8m", "armv8m_base"]);
|
||||
} else if target.starts_with("thumbv8m.main") {
|
||||
cfgs.enable_all(&["cortex_m", "armv8m", "armv8m_main"]);
|
||||
}
|
||||
cfgs.declare_all(&[
|
||||
"cortex_m",
|
||||
"armv6m",
|
||||
"armv7m",
|
||||
"armv7em",
|
||||
"armv8m",
|
||||
"armv8m_base",
|
||||
"armv8m_main",
|
||||
]);
|
||||
|
||||
cfgs.set("has_fpu", target.ends_with("-eabihf"));
|
||||
}
|
||||
@ -1,4 +1,4 @@
|
||||
#![cfg_attr(not(any(feature = "std", feature = "wasm")), no_std)]
|
||||
#![cfg_attr(not(feature = "std"), no_std)]
|
||||
#![allow(async_fn_in_trait)]
|
||||
#![allow(clippy::new_without_default)]
|
||||
#![doc = include_str!("../README.md")]
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
[toolchain]
|
||||
channel = "nightly-2024-04-14"
|
||||
channel = "nightly-2024-05-20"
|
||||
components = [ "rust-src", "rustfmt", "llvm-tools", "miri" ]
|
||||
targets = [
|
||||
"thumbv7em-none-eabi",
|
||||
|
||||
Loading…
Reference in New Issue
Block a user