1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 #include <vector>
19 #include "data_sink.h"
20 
21 namespace goldfish {
22 using ::android::hardware::hidl_bitfield;
23 
24 class GnssHwListener {
25 public:
26     explicit GnssHwListener(const DataSink* sink);
27     void reset();
28     void consume(char);
29 
30 private:
31     bool parse(const char* begin, const char* end, const ahg20::ElapsedRealtime&);
32     bool parseGPRMC(const char* begin, const char* end, const ahg20::ElapsedRealtime&);
33     bool parseGPGGA(const char* begin, const char* end, const ahg20::ElapsedRealtime&);
34 
35     const DataSink*     m_sink;
36     std::vector<char>   m_buffer;
37 
38     double              m_altitude = 0;
39 
40     hidl_bitfield<ahg10::GnssLocationFlags> m_flags;
41 };
42 
43 }  // namespace goldfish
44