MASK behind cfg

This commit is contained in:
Per Lindgren 2022-04-14 11:33:26 +02:00
parent c6231d81d8
commit 33174ac65b
3 changed files with 63 additions and 1 deletions

View file

@ -0,0 +1,62 @@
//! examples/hardware.rs
#![deny(unsafe_code)]
#![deny(warnings)]
#![allow(const_err)]
#![no_main]
#![no_std]
use panic_semihosting as _;
#[rtic::app(device = lm3s6965)]
mod app {
use cortex_m_semihosting::{debug, hprintln};
use lm3s6965::Interrupt;
#[shared]
struct Shared {}
#[local]
struct Local {}
#[init]
fn init(_: init::Context) -> (Shared, Local, init::Monotonics) {
// Pends the I2C1 interrupt but its handler won't run until *after*
// `init` returns because interrupts are disabled
rtic::pend(Interrupt::I2C1); // equivalent to NVIC::pend
hprintln!("init").unwrap();
(Shared {}, Local {}, init::Monotonics())
}
#[idle]
fn idle(_: idle::Context) -> ! {
// interrupts are enabled again; the `UART0` handler runs at this point
hprintln!("idle").unwrap();
rtic::pend(Interrupt::I2C1);
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
loop {
cortex_m::asm::nop();
}
}
// ETHERNET has an interrupt vector index > 31
// This is a test to check codegen for such cases
#[task(binds = I2C1, local = [times: u32 = 0])]
fn t1(cx: t1::Context) {
// Safe access to local `static mut` variable
*cx.local.times += 1;
hprintln!(
"t1 called {} time{}",
*cx.local.times,
if *cx.local.times > 1 { "s" } else { "" }
)
.unwrap();
}
}

View file

@ -135,6 +135,7 @@ pub fn codegen(
let mask_arr: Vec<_> = mask_arr.iter().map(|(_, v)| v).collect(); let mask_arr: Vec<_> = mask_arr.iter().map(|(_, v)| v).collect();
mod_app.push(quote!( mod_app.push(quote!(
#[cfg(not(armv7m))]
const MASKS: [u32; 3] = [#(#mask_arr),*]; const MASKS: [u32; 3] = [#(#mask_arr),*];
)); ));

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@ -177,7 +177,6 @@ pub unsafe fn lock<T, R>(
priority: &Priority, priority: &Priority,
ceiling: u8, ceiling: u8,
nvic_prio_bits: u8, nvic_prio_bits: u8,
_mask: &[u32; 3],
f: impl FnOnce(&mut T) -> R, f: impl FnOnce(&mut T) -> R,
) -> R { ) -> R {
let current = priority.get(); let current = priority.get();