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-rw-r--r--cortex-m-rt/examples/device.rs50
1 files changed, 50 insertions, 0 deletions
diff --git a/cortex-m-rt/examples/device.rs b/cortex-m-rt/examples/device.rs
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+//! Manually create the interrupts portion of the vector table
+
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+#[macro_use(entry, exception)]
+extern crate cortex_m_rt as rt;
+extern crate panic_semihosting;
+
+use rt::ExceptionFrame;
+
+// the program entry point
+entry!(main);
+
+fn main() -> ! {
+ loop {}
+}
+
+// the hard fault handler
+exception!(HardFault, hard_fault);
+
+fn hard_fault(_ef: &ExceptionFrame) -> ! {
+ loop {}
+}
+
+// the default exception handler
+exception!(*, default_handler);
+
+fn default_handler(_irqn: i16) {}
+
+// interrupts portion of the vector table
+pub union Vector {
+ handler: unsafe extern "C" fn(),
+ reserved: usize,
+}
+
+extern "C" {
+ fn WWDG();
+ fn PVD();
+}
+
+#[link_section = ".vector_table.interrupts"]
+#[no_mangle]
+pub static __INTERRUPTS: [Vector; 3] = [
+ Vector { handler: WWDG },
+ Vector { reserved: 0 },
+ Vector { handler: PVD },
+];