examples

.vscode/launch.json

@@ -73,15 +73,14 @@
             "request": "attach",
             "name": "Debug itm",
             "gdbpath": "/usr/bin/arm-none-eabi-gdb",
-            //"executable": "./target/thumbv7em-none-eabihf/debug/nucleo",
+            "executable": "./target/thumbv7em-none-eabihf/debug/examples/itm",
             "target": ":3333",
             "remote": true,
             "autorun": [
                 "monitor reset init",
-                //"monitor arm semihosting enable",
-                "monitor tpiu config internal /tmp/itm.fifo uart off 64000000",
-                //"monitor tpiu config internal /tmp/itm.fifo uart off 16000000",
-                "file ./target/thumbv7em-none-eabihf/debug/examples/itm",
+                "monitor arm semihosting enable",
+                "monitor tpiu config internal /tmp/itm.log uart off 16000000 2000000",
+                "monitor itm port 0 on",
                 "load"
             ],
             "cwd": "${workspaceRoot}"
@@ -101,6 +100,22 @@
                 "load"
             ],
             "cwd": "${workspaceRoot}"
+        },
+        {
+            "type": "gdb",
+            "request": "attach",
+            "name": "Debug panic",
+            "gdbpath": "/usr/bin/arm-none-eabi-gdb",
+            //"executable": "./target/thumbv7em-none-eabihf/debug/nucleo",
+            "target": ":3333",
+            "remote": true,
+            "autorun": [
+                "monitor reset init",
+                "monitor arm semihosting enable",
+                "file ./target/thumbv7em-none-eabihf/debug/examples/panic",
+                "load"
+            ],
+            "cwd": "${workspaceRoot}"
         }
     ]
 }
\ No newline at end of file

.vscode/tasks.json

@@ -74,6 +74,18 @@
             "problemMatcher": [
                 "$rustc"
             ]
+        },
+        {
+            "taskName": "xargo build --example panic",
+            "type": "shell",
+            "command": "xargo build --example panic",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "problemMatcher": [
+                "$rustc"
+            ]
         }
     ]
 }
\ No newline at end of file

examples/itm.rs

@@ -27,6 +27,7 @@ fn main() {
         let itm = peripheral::ITM.borrow(&cs);
 
         iprintln!(&itm.stim[0], "Hello, world!");
+        loop {}
     });
 }
 

examples/panic.rs

@@ -11,6 +11,7 @@
 #![feature(core_intrinsics)]
 #![feature(lang_items)]
 #![feature(used)]
+#![allow(private_no_mangle_fns)]
 #![no_std]
 
 extern crate cortex_m;
@@ -33,7 +34,7 @@ unsafe extern "C" fn rust_begin_unwind(
     args: core::fmt::Arguments,
     file: &'static str,
     line: u32,
-    col: u32,
+    _col: u32,
 ) -> ! {
     if let Ok(mut stdout) = hio::hstdout() {
         write!(stdout, "panicked at '")