Use explicit list of external interrupts which can be used by RTIC

This commit is contained in:
Wouter Geraedts 2024-04-10 15:31:03 +02:00
parent eb6bc154d9
commit 70c75d8b79

View file

@ -13,6 +13,12 @@ mod esp32c6 {
use std::collections::HashSet; use std::collections::HashSet;
use syn::{parse, Attribute, Ident}; use syn::{parse, Attribute, Ident};
// Section 1.6.2 technical reference manual specifies which interrupts can be configured.
const EXTERNAL_INTERRUPTS: [u8; 28] = [
1, 2, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
28, 29, 30, 31,
];
#[allow(clippy::too_many_arguments)] #[allow(clippy::too_many_arguments)]
pub fn impl_mutex( pub fn impl_mutex(
_app: &App, _app: &App,
@ -82,16 +88,15 @@ mod esp32c6 {
} }
pub fn pre_init_enable_interrupts(app: &App, analysis: &CodegenAnalysis) -> Vec<TokenStream2> { pub fn pre_init_enable_interrupts(app: &App, analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
let mut stmts = vec![]; let mut stmts = vec![];
let mut curr_cpu_id: u8 = 1; //cpu interrupt id 0 is reserved
let rt_err = util::rt_err_ident(); let rt_err = util::rt_err_ident();
let max_prio: usize = 15; //unfortunately this is not part of pac, but we know that max prio is 15. let max_prio: usize = 15; //unfortunately this is not part of pac, but we know that max prio is 15.
let interrupt_ids = analysis.interrupts.iter().map(|(p, (id, _))| (p, id)); let interrupt_ids = analysis.interrupts.iter().map(|(p, (id, _))| (p, id));
// Unmask interrupts and set their priorities // Unmask interrupts and set their priorities
for (&priority, name) in interrupt_ids.chain( for ((&priority, name), curr_cpu_id) in interrupt_ids.chain(
app.hardware_tasks app.hardware_tasks
.values() .values()
.filter_map(|task| Some((&task.args.priority, &task.args.binds))), .filter_map(|task| Some((&task.args.priority, &task.args.binds))),
) { ).zip(EXTERNAL_INTERRUPTS) {
let es = format!( let es = format!(
"Maximum priority used by interrupt vector '{name}' is more than supported by hardware" "Maximum priority used by interrupt vector '{name}' is more than supported by hardware"
); );
@ -106,7 +111,6 @@ mod esp32c6 {
#curr_cpu_id, #curr_cpu_id,
); );
)); ));
curr_cpu_id += 1;
} }
stmts stmts
} }
@ -224,19 +228,16 @@ mod esp32c6 {
dispatcher_name: Ident, dispatcher_name: Ident,
) -> Vec<TokenStream2> { ) -> Vec<TokenStream2> {
let mut stmts = vec![]; let mut stmts = vec![];
let mut curr_cpu_id = 1;
//let mut ret = "";
let interrupt_ids = analysis.interrupts.iter().map(|(p, (id, _))| (p, id)); let interrupt_ids = analysis.interrupts.iter().map(|(p, (id, _))| (p, id));
for (_, name) in interrupt_ids.chain( for ((_, name), curr_cpu_id) in interrupt_ids.chain(
app.hardware_tasks app.hardware_tasks
.values() .values()
.filter_map(|task| Some((&task.args.priority, &task.args.binds))), .filter_map(|task| Some((&task.args.priority, &task.args.binds))),
) { ).zip(EXTERNAL_INTERRUPTS) {
if *name == dispatcher_name { if *name == dispatcher_name {
let ret = &("cpu_int_".to_owned() + &curr_cpu_id.to_string() + "_handler"); let ret = &("cpu_int_".to_owned() + &curr_cpu_id.to_string() + "_handler");
stmts.push(quote!(#[export_name = #ret])); stmts.push(quote!(#[export_name = #ret]));
} }
curr_cpu_id += 1;
} }
stmts stmts
@ -246,4 +247,3 @@ pub fn extra_modules(_app: &App, _analysis: &SyntaxAnalysis) -> Vec<TokenStream2
vec![] vec![]
} }
} }