1 // Copyright 2020 The Pigweed Authors
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
7 // https://www.apache.org/licenses/LICENSE-2.0
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
15 #include "pw_assert/assert.h"
16 #include "pw_bloat/bloat_this_binary.h"
17 #include "pw_log/log.h"
18 #include "pw_rpc/server.h"
19 #include "pw_sys_io/sys_io.h"
21 int volatile* unoptimizable;
23 class Output : public pw::rpc::ChannelOutput {
25 Output() : ChannelOutput("output") {}
27 std::span<std::byte> AcquireBuffer() override { return buffer_; }
29 pw::Status SendAndReleaseBuffer(std::span<const std::byte> buffer) override {
30 PW_DCHECK_PTR_EQ(buffer.data(), buffer_);
31 return pw::sys_io::WriteBytes(buffer).status();
35 std::byte buffer_[128];
38 namespace my_product {
41 pw::rpc::Channel channels[] = {pw::rpc::Channel::Create<1>(&output)};
42 pw::rpc::Server server(channels);
44 } // namespace my_product
47 pw::bloat::BloatThisBinary();
49 // Ensure we are paying the cost for log and assert.
50 PW_CHECK_INT_GE(*unoptimizable, 0, "Ensure this CHECK logic stays");
51 PW_LOG_INFO("We care about optimizing: %d", *unoptimizable);
53 std::byte packet_buffer[128];
54 pw::sys_io::ReadBytes(packet_buffer);
55 pw::sys_io::WriteBytes(packet_buffer);
57 my_product::server.ProcessPacket(packet_buffer, my_product::output);
59 return static_cast<int>(packet_buffer[92]);