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Diffstat (limited to 'pw_rust/examples/embedded_hello/src/main.rs')
-rw-r--r-- | pw_rust/examples/embedded_hello/src/main.rs | 32 |
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 new file mode 100644 index 000000000..51028c47d --- /dev/null +++ b/pw_rust/examples/embedded_hello/src/main.rs @@ -0,0 +1,32 @@ +// 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 {} +} |