Armando Montanez | 68de071 | 2019-11-14 18:29:39 -0800 | [diff] [blame] | 1 | // Copyright 2019 The Pigweed Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
Wyatt Hepler | 1a96094 | 2019-11-26 14:13:38 -0800 | [diff] [blame] | 4 | // use this file except in compliance with the License. You may obtain a copy of |
| 5 | // the License at |
Armando Montanez | 68de071 | 2019-11-14 18:29:39 -0800 | [diff] [blame] | 6 | // |
| 7 | // https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 11 | // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
Wyatt Hepler | 1a96094 | 2019-11-26 14:13:38 -0800 | [diff] [blame] | 12 | // License for the specific language governing permissions and limitations under |
| 13 | // the License. |
Armando Montanez | 68de071 | 2019-11-14 18:29:39 -0800 | [diff] [blame] | 14 | |
Armando Montanez | f7a5a74 | 2020-03-02 14:58:59 -0800 | [diff] [blame] | 15 | #include "pw_sys_io/sys_io.h" |
Armando Montanez | 68de071 | 2019-11-14 18:29:39 -0800 | [diff] [blame] | 16 | |
Armando Montanez | f7a5a74 | 2020-03-02 14:58:59 -0800 | [diff] [blame] | 17 | namespace pw::sys_io { |
Armando Montanez | 68de071 | 2019-11-14 18:29:39 -0800 | [diff] [blame] | 18 | |
Wyatt Hepler | e2cbadf | 2020-06-22 11:21:45 -0700 | [diff] [blame] | 19 | StatusWithSize ReadBytes(std::span<std::byte> dest) { |
Armando Montanez | 68de071 | 2019-11-14 18:29:39 -0800 | [diff] [blame] | 20 | for (size_t i = 0; i < dest.size_bytes(); ++i) { |
Armando Montanez | 759ff77 | 2019-11-18 15:05:53 -0800 | [diff] [blame] | 21 | Status result = ReadByte(&dest[i]); |
Armando Montanez | 68de071 | 2019-11-14 18:29:39 -0800 | [diff] [blame] | 22 | if (!result.ok()) { |
| 23 | return StatusWithSize(result, i); |
| 24 | } |
| 25 | } |
| 26 | return StatusWithSize(dest.size_bytes()); |
| 27 | } |
| 28 | |
Wyatt Hepler | e2cbadf | 2020-06-22 11:21:45 -0700 | [diff] [blame] | 29 | StatusWithSize WriteBytes(std::span<const std::byte> src) { |
Armando Montanez | 68de071 | 2019-11-14 18:29:39 -0800 | [diff] [blame] | 30 | for (size_t i = 0; i < src.size_bytes(); ++i) { |
Armando Montanez | 759ff77 | 2019-11-18 15:05:53 -0800 | [diff] [blame] | 31 | Status result = WriteByte(src[i]); |
Armando Montanez | 68de071 | 2019-11-14 18:29:39 -0800 | [diff] [blame] | 32 | if (!result.ok()) { |
| 33 | return StatusWithSize(result, i); |
| 34 | } |
| 35 | } |
| 36 | return StatusWithSize(src.size_bytes()); |
| 37 | } |
| 38 | |
Armando Montanez | f7a5a74 | 2020-03-02 14:58:59 -0800 | [diff] [blame] | 39 | } // namespace pw::sys_io |