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use core::ops;
use std::collections::{BTreeMap, BTreeSet};
use rtfm_syntax::{
analyze::{self, Priority},
ast::App,
Core, P,
};
use syn::Ident;
/// Extend the upstream `Analysis` struct with our field
pub struct Analysis {
parent: P<analyze::Analysis>,
pub interrupts: BTreeMap<Core, BTreeMap<Priority, Ident>>,
}
impl ops::Deref for Analysis {
type Target = analyze::Analysis;
fn deref(&self) -> &Self::Target {
&self.parent
}
}
// Assign an `extern` interrupt to each priority level
pub fn app(analysis: P<analyze::Analysis>, app: &App) -> P<Analysis> {
let mut interrupts = BTreeMap::new();
for core in 0..app.args.cores {
let priorities = app
.software_tasks
.values()
.filter_map(|task| {
if task.args.core == core {
Some(task.args.priority)
} else {
None
}
})
.chain(analysis.timer_queues.get(&core).map(|tq| tq.priority))
.collect::<BTreeSet<_>>();
if !priorities.is_empty() {
interrupts.insert(
core,
priorities
.iter()
.cloned()
.rev()
.zip(app.extern_interrupts[&core].keys().cloned())
.collect(),
);
}
}
P::new(Analysis {
parent: analysis,
interrupts,
})
}
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