diff options
Diffstat (limited to 'macros/src')
-rw-r--r-- | macros/src/codegen.rs | 6 | ||||
-rw-r--r-- | macros/src/syntax.rs | 4 |
2 files changed, 4 insertions, 6 deletions
diff --git a/macros/src/codegen.rs b/macros/src/codegen.rs index 1d201c08..8b054ab5 100644 --- a/macros/src/codegen.rs +++ b/macros/src/codegen.rs @@ -1989,15 +1989,13 @@ fn pre_init(ctxt: &Context, app: &App, analysis: &Analysis) -> proc_macro2::Toke )) } - // TODO turn the assertions that check that the priority is not larger than what's supported by - // the device into compile errors let device = &app.args.device; let nvic_prio_bits = quote!(#device::NVIC_PRIO_BITS); for (handler, interrupt) in &app.interrupts { let name = interrupt.args.binds(handler); let priority = interrupt.args.priority; exprs.push(quote!(p.NVIC.enable(#device::Interrupt::#name);)); - exprs.push(quote!(assert!(#priority <= (1 << #nvic_prio_bits));)); + exprs.push(quote!(let _ = [(); ((1 << #nvic_prio_bits) - #priority as usize)];)); exprs.push(quote!(p.NVIC.set_priority( #device::Interrupt::#name, ((1 << #nvic_prio_bits) - #priority) << (8 - #nvic_prio_bits), @@ -2007,7 +2005,7 @@ fn pre_init(ctxt: &Context, app: &App, analysis: &Analysis) -> proc_macro2::Toke for (priority, dispatcher) in &analysis.dispatchers { let name = &dispatcher.interrupt; exprs.push(quote!(p.NVIC.enable(#device::Interrupt::#name);)); - exprs.push(quote!(assert!(#priority <= (1 << #nvic_prio_bits));)); + exprs.push(quote!(let _ = [(); ((1 << #nvic_prio_bits) - #priority as usize)];)); exprs.push(quote!(p.NVIC.set_priority( #device::Interrupt::#name, ((1 << #nvic_prio_bits) - #priority) << (8 - #nvic_prio_bits), diff --git a/macros/src/syntax.rs b/macros/src/syntax.rs index 7f87f633..228d9588 100644 --- a/macros/src/syntax.rs +++ b/macros/src/syntax.rs @@ -1039,10 +1039,10 @@ fn parse_args( } let value = lit.value(); - if value > u64::from(u8::MAX) { + if value > u64::from(u8::MAX) || value == 0 { return Err(parse::Error::new( lit.span(), - "this literal must be in the range 0...255", + "this literal must be in the range 1...255", )); } |