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-rw-r--r--pw_rust/examples/embedded_hello/src/main.rs32
1 files changed, 32 insertions, 0 deletions
diff --git a/pw_rust/examples/embedded_hello/src/main.rs b/pw_rust/examples/embedded_hello/src/main.rs
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+++ b/pw_rust/examples/embedded_hello/src/main.rs
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+// Copyright 2023 The Pigweed Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#![no_main]
+#![no_std]
+
+// Panic handler that halts the CPU on panic.
+use panic_halt as _;
+
+// Cortex M runtime entry macro.
+use cortex_m_rt::entry;
+
+// Semihosting support which is well supported for QEMU targets.
+use cortex_m_semihosting::{debug, hprintln};
+
+#[entry]
+fn main() -> ! {
+ hprintln!("Hello, Pigweed!");
+ debug::exit(debug::EXIT_SUCCESS);
+ loop {}
+}