blob: aaf888dc118aa29768b44d85ec0dc8e4871fc6b3 [file] [log] [blame]
// Copyright 2022 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
// 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.
#define PW_LOG_MODULE_NAME "ServiceReader"
#include "rpc_demo/service/service_reader.h"
#include <pw_hdlc/rpc_channel.h>
#include <pw_hdlc/rpc_packets.h>
#include <pw_log/log.h>
#include <pw_span/span.h>
namespace rpc_demo {
ServiceReader::ServiceReader(pw::stream::Reader* reader,
pw::stream::Writer* writer,
pw::hdlc::RpcChannelOutput* output,
pw::span<pw::rpc::Channel> channels)
: reader_(reader), writer_(writer), output_(output), channels_(channels) {}
bool ServiceReader::ParsePacket() {
std::array<std::byte, CONFIG_RPC_BUFFER_SIZE> decode_buffer{};
pw::rpc::Server server(channels_);
pw::hdlc::Decoder decoder(decode_buffer);
DemoService service;
// Input buffer
PW_LOG_INFO("Starting pw_rpc service...");
while (true) {
std::byte data;
if (auto result = reader_->Read(&data, 1); !result.ok()) {
PW_LOG_DEBUG("0x%02x", static_cast<uint8_t>(data));
auto result = decoder.Process(data);
if (!result.ok()) {
auto& frame = result.value();
if (frame.address() != pw::hdlc::kDefaultRpcAddress) {
return false;
PW_LOG_INFO("Service got packet!");
auto server_result = server.ProcessPacket(;
PW_LOG_DEBUG("Client ProcessPacket status (%s)",
return true;
} // namespace rpc_demo