Alexei Frolov | 8024679 | 2020-11-05 21:12:45 -0800 | [diff] [blame^] | 1 | // Copyright 2020 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 | |
| 15 | #include "pw_hdlc_lite/encoder.h" |
| 16 | #include "pw_hdlc_lite/rpc_channel.h" |
| 17 | #include "pw_hdlc_lite/rpc_packets.h" |
| 18 | #include "pw_hdlc_lite/sys_io_stream.h" |
| 19 | #include "pw_log/log.h" |
| 20 | #include "pw_unit_test/framework.h" |
| 21 | #include "pw_unit_test/unit_test_service.h" |
| 22 | |
| 23 | // TODO(frolv): This file is largely copied from the HDLC RPC example. It should |
| 24 | // be updated to use the system RPC server facade when that is ready. |
| 25 | |
| 26 | namespace pw { |
| 27 | namespace { |
| 28 | |
| 29 | constexpr size_t kMaxTransmissionUnit = 256; |
| 30 | |
| 31 | // Used to write HDLC data to pw::sys_io. |
| 32 | stream::SysIoWriter writer; |
| 33 | |
| 34 | // Set up the output channel for the pw_rpc server to use to use. |
| 35 | hdlc_lite::RpcChannelOutputBuffer<kMaxTransmissionUnit> hdlc_channel_output( |
| 36 | writer, hdlc_lite::kDefaultRpcAddress, "HDLC channel"); |
| 37 | |
| 38 | rpc::Channel channels[] = {rpc::Channel::Create<1>(&hdlc_channel_output)}; |
| 39 | |
| 40 | // Declare the pw_rpc server with the HDLC channel. |
| 41 | rpc::Server server(channels); |
| 42 | |
| 43 | unit_test::UnitTestService unit_test_service; |
| 44 | |
| 45 | void RegisterServices() { server.RegisterService(unit_test_service); } |
| 46 | |
| 47 | } // namespace |
| 48 | |
| 49 | extern "C" int main() { |
| 50 | // Send log messages to HDLC address 1. This prevents logs from interfering |
| 51 | // with pw_rpc communications. |
| 52 | log_basic::SetOutput([](std::string_view log) { |
| 53 | hdlc_lite::WriteInformationFrame(1, std::as_bytes(std::span(log)), writer); |
| 54 | }); |
| 55 | |
| 56 | RegisterServices(); |
| 57 | |
| 58 | // Declare a buffer for decoding incoming HDLC frames. |
| 59 | std::array<std::byte, kMaxTransmissionUnit> input_buffer; |
| 60 | |
| 61 | PW_LOG_INFO("Starting pw_rpc server"); |
| 62 | hdlc_lite::ReadAndProcessPackets(server, hdlc_channel_output, input_buffer); |
| 63 | |
| 64 | return 0; |
| 65 | } |
| 66 | |
| 67 | } // namespace pw |