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authorGravatar Henrik Tjäder <henrik@grepit.se> 2021-12-14 21:52:57 +0100
committerGravatar Henrik Tjäder <henrik@grepit.se> 2021-12-14 22:18:17 +0100
commit8c8f7f12c3bfc132b7fad9df80559e474ed66b66 (patch)
treeeedf420265c65ec5430e3c8bcddd5e8ca73db86a /macros/src
parent3741d431bed5a4799c7fdb20de5950a0964569e5 (diff)
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Idle: Switch to NOP instead of WFI
Add example how to get old WFI behaviour
Diffstat (limited to 'macros/src')
-rw-r--r--macros/src/codegen/idle.rs2
-rw-r--r--macros/src/codegen/pre_init.rs7
2 files changed, 1 insertions, 8 deletions
diff --git a/macros/src/codegen/idle.rs b/macros/src/codegen/idle.rs
index d6539316..0dededa4 100644
--- a/macros/src/codegen/idle.rs
+++ b/macros/src/codegen/idle.rs
@@ -85,7 +85,7 @@ pub fn codegen(
vec![],
None,
quote!(loop {
- rtic::export::wfi()
+ rtic::export::nop()
}),
)
}
diff --git a/macros/src/codegen/pre_init.rs b/macros/src/codegen/pre_init.rs
index 42cc0552..7aaf20fc 100644
--- a/macros/src/codegen/pre_init.rs
+++ b/macros/src/codegen/pre_init.rs
@@ -122,12 +122,5 @@ pub fn codegen(app: &App, analysis: &Analysis, extra: &Extra) -> Vec<TokenStream
));
}
}
-
- // If there's no user `#[idle]` then optimize returning from interrupt handlers
- if app.idle.is_none() {
- // Set SLEEPONEXIT bit to enter sleep mode when returning from ISR
- stmts.push(quote!(core.SCB.scr.modify(|r| r | 1 << 1);));
- }
-
stmts
}