1 // Copyright 2023 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 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 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 #pragma once 15 16 #include "pw_persistent_ram/persistent_buffer.h" 17 #include "pw_trace_tokenized/config.h" 18 #include "pw_transfer/transfer.h" 19 20 namespace pw::system { 21 22 using TracePersistentBuffer = 23 persistent_ram::PersistentBuffer<PW_TRACE_BUFFER_SIZE_BYTES>; 24 25 class TracePersistentBufferTransfer : public transfer::ReadOnlyHandler { 26 public: 27 TracePersistentBufferTransfer(uint32_t id, 28 TracePersistentBuffer& persistent_buffer); 29 30 Status PrepareRead() final; 31 32 private: 33 TracePersistentBuffer& persistent_buffer_; 34 stream::MemoryReader reader_; 35 }; 36 37 } // namespace pw::system 38