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Automatically assume CPU frequency when building docs

This commit is contained in:
Dylan McKay 2018-11-05 23:48:19 +13:00
parent 7a8572e094
commit 7f3f874eec
1 changed files with 7 additions and 1 deletions
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8
core_generator/build.rs
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@ -12,6 +12,8 @@ use std::path::{Path, PathBuf};
/// archicectures that are not AVR. /// archicectures that are not AVR.
const DEFAULT_MCU_FOR_NON_AVR_DOCS: &'static str = "atmega328"; const DEFAULT_MCU_FOR_NON_AVR_DOCS: &'static str = "atmega328";
const DEFAULT_FREQUENCY_HZ_FOR_NON_AVR_DOCS: &'static str = "16_000_000";
fn src_path() -> PathBuf { fn src_path() -> PathBuf {
Path::new(env!("CARGO_MANIFEST_DIR")).join("src") Path::new(env!("CARGO_MANIFEST_DIR")).join("src")
} }
@ -51,7 +53,11 @@ fn generate_config_module() -> Result<(), io::Error> {
let path = src_path().join("config.rs"); let path = src_path().join("config.rs");
let mut f = File::create(&path)?; let mut f = File::create(&path)?;
let clock = env!("AVR_CPU_FREQUENCY_HZ"); let clock = if cfg!(arch = "avr") {
env!("AVR_CPU_FREQUENCY_HZ")
} else {
DEFAULT_FREQUENCY_HZ_FOR_NON_AVR_DOCS
};
writeln!(f, "/// The clock frequency of device being targeted in Hertz.")?; writeln!(f, "/// The clock frequency of device being targeted in Hertz.")?;
writeln!(f, "pub const CPU_FREQUENCY_HZ: u32 = {};", clock)?; writeln!(f, "pub const CPU_FREQUENCY_HZ: u32 = {};", clock)?;
Ok(()) Ok(())