rtfm-syntax refactor + heterogeneous multi-core support

1 files changed, 77 insertions, 0 deletions

diff --git a/examples/t-resource.rs b/examples/t-resource.rs
new file mode 100644
index 00000000..40dc2a65
--- /dev/null
+++ b/examples/t-resource.rs
@@ -0,0 +1,77 @@
+//! [compile-pass] Check code generation of resources
+
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+use panic_halt as _;
+
+#[rtfm::app(device = lm3s6965)]
+const APP: () = {
+    static mut O1: u32 = 0; // init
+    static mut O2: u32 = 0; // idle
+    static mut O3: u32 = 0; // EXTI0
+    static O4: u32 = 0; // idle
+    static O5: u32 = 0; // EXTI1
+    static O6: u32 = 0; // init
+
+    static mut S1: u32 = 0; // idle & EXTI0
+    static mut S2: u32 = 0; // EXTI0 & EXTI1
+    static S3: u32 = 0;
+
+    #[init(resources = [O1, O4, O5, O6, S3])]
+    fn init(c: init::Context) {
+        // owned by `init` == `&'static mut`
+        let _: &'static mut u32 = c.resources.O1;
+
+        // owned by `init` == `&'static` if read-only
+        let _: &'static u32 = c.resources.O6;
+
+        // `init` has exclusive access to all resources
+        let _: &mut u32 = c.resources.O4;
+        let _: &mut u32 = c.resources.O5;
+        let _: &mut u32 = c.resources.S3;
+    }
+
+    #[idle(resources = [O2, O4, S1, S3])]
+    fn idle(mut c: idle::Context) -> ! {
+        // owned by `idle` == `&'static mut`
+        let _: &'static mut u32 = c.resources.O2;
+
+        // owned by `idle` == `&'static` if read-only
+        let _: &'static u32 = c.resources.O4;
+
+        // shared with `idle` == `Mutex`
+        c.resources.S1.lock(|_| {});
+
+        // `&` if read-only
+        let _: &u32 = c.resources.S3;
+
+        loop {}
+    }
+
+    #[interrupt(resources = [O3, S1, S2, S3])]
+    fn UART0(c: UART0::Context) {
+        // owned by interrupt == `&mut`
+        let _: &mut u32 = c.resources.O3;
+
+        // no `Mutex` proxy when access from highest priority task
+        let _: &mut u32 = c.resources.S1;
+
+        // no `Mutex` proxy when co-owned by cooperative (same priority) tasks
+        let _: &mut u32 = c.resources.S2;
+
+        // `&` if read-only
+        let _: &u32 = c.resources.S3;
+    }
+
+    #[interrupt(resources = [S2, O5])]
+    fn UART1(c: UART1::Context) {
+        // owned by interrupt == `&` if read-only
+        let _: &u32 = c.resources.O5;
+
+        // no `Mutex` proxy when co-owned by cooperative (same priority) tasks
+        let _: &mut u32 = c.resources.S2;
+    }
+};