| // 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 {} |
| } |