1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
use crate::syntax::{ast::App, Context};
use crate::{
analyze::Analysis,
codegen::{local_resources_struct, module, shared_resources_struct},
};
use proc_macro2::TokenStream as TokenStream2;
use quote::quote;
/// Generate support code for hardware tasks (`#[exception]`s and `#[interrupt]`s)
pub fn codegen(app: &App, analysis: &Analysis) -> TokenStream2 {
let mut mod_app = vec![];
let mut root = vec![];
let mut user_tasks = vec![];
for (name, task) in &app.hardware_tasks {
let symbol = task.args.binds.clone();
let priority = task.args.priority;
let cfgs = &task.cfgs;
let attrs = &task.attrs;
mod_app.push(quote!(
#[allow(non_snake_case)]
#[no_mangle]
#(#attrs)*
#(#cfgs)*
unsafe fn #symbol() {
const PRIORITY: u8 = #priority;
rtic::export::run(PRIORITY, || {
#name(
#name::Context::new()
)
});
}
));
// `${task}Locals`
if !task.args.local_resources.is_empty() {
let (item, constructor) =
local_resources_struct::codegen(Context::HardwareTask(name), app);
root.push(item);
mod_app.push(constructor);
}
// `${task}Resources`
if !task.args.shared_resources.is_empty() {
let (item, constructor) =
shared_resources_struct::codegen(Context::HardwareTask(name), app);
root.push(item);
mod_app.push(constructor);
}
// Module generation...
root.push(module::codegen(Context::HardwareTask(name), app, analysis));
// End module generation
if !task.is_extern {
let attrs = &task.attrs;
let context = &task.context;
let stmts = &task.stmts;
user_tasks.push(quote!(
#(#attrs)*
#[allow(non_snake_case)]
fn #name(#context: #name::Context) {
use rtic::Mutex as _;
use rtic::mutex::prelude::*;
#(#stmts)*
}
));
}
}
quote!(
#(#mod_app)*
#(#root)*
#(#user_tasks)*
)
}
|
