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Merge #340

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340:  rtic::export::Peripherals created by into instead of transmute r=korken89 a=perlindgren



Co-authored-by: Per Lindgren <per.lindgren@ltu.se>
This commit is contained in:
bors[bot] 2020-07-21 06:36:18 +00:00 committed by GitHub
commit f77226af16
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1 changed files with 8 additions and 6 deletions
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14
macros/src/codegen/pre_init.rs
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@ -38,15 +38,17 @@ pub fn codegen(
}
}
stmts.push(quote!(
// NOTE(transmute) to avoid debug_assertion in multi-core mode
let mut core: rtic::export::Peripherals = core::mem::transmute(());
));
if app.args.cores == 1 {
stmts.push(quote!(
// To set the variable in cortex_m so the peripherals cannot be taken multiple times
let _ = cortex_m::Peripherals::steal();
let peripherals = cortex_m::Peripherals::steal();
let mut core: rtic::export::Peripherals = peripherals.into();
));
} else {
stmts.push(quote!(
// NOTE(transmute) to avoid debug_assertion in multi-core mode
// (This code will go away when we drop multi-core mode)
let mut core: rtic::export::Peripherals = core::mem::transmute(());
));
}