1 /*
2  * Copyright 2015 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 #ifndef ANALYZER_RANDOM_PULSE_GENERATOR_H
18 #define ANALYZER_RANDOM_PULSE_GENERATOR_H
19 
20 #include <stdlib.h>
21 #include "RoundedManchesterEncoder.h"
22 
23 /**
24  * Encode random ones and zeros using Manchester Code per IEEE 802.3.
25  */
26 class RandomPulseGenerator : public RoundedManchesterEncoder {
27 public:
RandomPulseGenerator(int samplesPerPulse)28     RandomPulseGenerator(int samplesPerPulse)
29     : RoundedManchesterEncoder(samplesPerPulse) {
30     }
31 
32     virtual ~RandomPulseGenerator() = default;
33 
34     /**
35      * This will be called when the next byte is needed.
36      * @return random byte
37      */
onNextByte()38     uint8_t onNextByte() override {
39         return static_cast<uint8_t>(rand());
40     }
41 };
42 
43 #endif //ANALYZER_RANDOM_PULSE_GENERATOR_H
44