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Ensure interrupt::take works without embassy-executor

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Add "rtos-trace-interrupt" feature flag on embassy-macros and enable it
for embassy-executor, to ensure that the interrupt::take! macro can be
used without depending on embassy-executor.
This commit is contained in:
Ulf Lilleengen 2022-08-23 14:57:45 +02:00
parent 529535194d
commit 045ae2c29f
3 changed files with 26 additions and 8 deletions
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2
embassy-executor/Cargo.toml
View File

@ -31,7 +31,7 @@ nightly = []
integrated-timers = ["dep:embassy-time"]
# Trace interrupt invocations with rtos-trace.
rtos-trace-interrupt = ["rtos-trace"]
rtos-trace-interrupt = ["rtos-trace", "embassy-macros/rtos-trace-interrupt"]
[dependencies]
defmt = { version = "0.3", optional = true }

3
embassy-macros/Cargo.toml
View File

@ -15,3 +15,6 @@ proc-macro = true
[features]
std = []
wasm = []
# Enabling this cause interrupt::take! to require embassy-executor
rtos-trace-interrupt = []

27
embassy-macros/src/macros/cortex_m_interrupt_take.rs
View File

@ -6,6 +6,23 @@ pub fn run(name: syn::Ident) -> Result<TokenStream, TokenStream> {
let name_interrupt = format_ident!("{}", name);
let name_handler = format!("__EMBASSY_{}_HANDLER", name);
#[cfg(feature = "rtos-trace-interrupt")]
let (isr_enter, isr_exit) = (
quote! {
::embassy_executor::rtos_trace_interrupt! {
::embassy_executor::export::trace::isr_enter();
}
},
quote! {
::embassy_executor::rtos_trace_interrupt! {
::embassy_executor::export::trace::isr_exit();
}
},
);
#[cfg(not(feature = "rtos-trace-interrupt"))]
let (isr_enter, isr_exit) = (quote! {}, quote! {});
let result = quote! {
{
#[allow(non_snake_case)]
@ -19,13 +36,11 @@ pub fn run(name: syn::Ident) -> Result<TokenStream, TokenStream> {
let func = HANDLER.func.load(interrupt::_export::atomic::Ordering::Relaxed);
let ctx = HANDLER.ctx.load(interrupt::_export::atomic::Ordering::Relaxed);
let func: fn(*mut ()) = ::core::mem::transmute(func);
::embassy_executor::rtos_trace_interrupt! {
::embassy_executor::export::trace::isr_enter();
}
#isr_enter
func(ctx);
::embassy_executor::rtos_trace_interrupt! {
::embassy_executor::export::trace::isr_exit();
}
#isr_exit
}
static TAKEN: interrupt::_export::atomic::AtomicBool = interrupt::_export::atomic::AtomicBool::new(false);