| // 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. |
| |
| #include <cstddef> |
| |
| #include "pw_sys_io/sys_io.h" |
| |
| |
| int main() { |
| while (true) { |
| std::byte data; |
| pw::sys_io::ReadByte(&data).IgnoreError(); |
| pw::sys_io::WriteByte(data).IgnoreError(); |
| } |
| return 0; |
| } |