aboutsummaryrefslogtreecommitdiff
path: root/cortex-m-rt/examples/device.rs
diff options
context:
space:
mode:
authorGravatar Adam Greig <adam@adamgreig.com> 2022-01-12 00:48:56 +0000
committerGravatar Adam Greig <adam@adamgreig.com> 2022-01-12 00:48:56 +0000
commit0ffd08328a3ec20974d72ea87a2883d8c9135411 (patch)
tree17e1aebd54840ca3597f4e7722fba1d504220b38 /cortex-m-rt/examples/device.rs
parent92552c73d3b56dc86007450633950d16ebe0e495 (diff)
parent5932aaa76bed539c1222e9592be12ca4d4bf5847 (diff)
downloadcortex-m-0ffd08328a3ec20974d72ea87a2883d8c9135411.tar.gz
cortex-m-0ffd08328a3ec20974d72ea87a2883d8c9135411.tar.zst
cortex-m-0ffd08328a3ec20974d72ea87a2883d8c9135411.zip
Merge cortex-m-rt repository into cortex-m.
Diffstat (limited to 'cortex-m-rt/examples/device.rs')
-rw-r--r--cortex-m-rt/examples/device.rs36
1 files changed, 36 insertions, 0 deletions
diff --git a/cortex-m-rt/examples/device.rs b/cortex-m-rt/examples/device.rs
new file mode 100644
index 0000000..c18b569
--- /dev/null
+++ b/cortex-m-rt/examples/device.rs
@@ -0,0 +1,36 @@
+//! Manually create the interrupts portion of the vector table
+
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+extern crate cortex_m_rt as rt;
+extern crate panic_halt;
+
+use rt::entry;
+
+#[entry]
+fn main() -> ! {
+ loop {}
+}
+
+// interrupts portion of the vector table
+pub union Vector {
+ handler: unsafe extern "C" fn(),
+ reserved: usize,
+}
+
+extern "C" {
+ fn WWDG();
+ fn PVD();
+}
+
+#[allow(unsafe_code)]
+#[link_section = ".vector_table.interrupts"]
+#[no_mangle]
+pub static __INTERRUPTS: [Vector; 3] = [
+ Vector { handler: WWDG },
+ Vector { reserved: 0 },
+ Vector { handler: PVD },
+];