byte.h

Go to the documentation of this file.

/******************************************************************************
 * Copyright 2017 The Apollo Authors. All Rights Reserved.
 *
 * 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
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 *****************************************************************************/

#pragma once

#include <string>

namespace apollo {
namespace drivers {
namespace canbus {

class Byte {
 public:
  explicit Byte(const uint8_t *value);

  Byte(const Byte &value);

  ~Byte() = default;

  static std::string byte_to_hex(const uint8_t value);

  static std::string byte_to_hex(const uint32_t value);

  static std::string byte_to_binary(const uint8_t value);

  void set_bit_1(const int32_t pos);

  void set_bit_0(const int32_t pos);

  bool is_bit_1(const int32_t pos) const;

  void set_value(const uint8_t value);

  void set_value_high_4_bits(const uint8_t value);

  void set_value_low_4_bits(const uint8_t value);

  void set_value(const uint8_t value, const int32_t start_pos,
                 const int32_t length);

  uint8_t get_byte() const;

  uint8_t get_byte_high_4_bits() const;

  uint8_t get_byte_low_4_bits() const;

  uint8_t get_byte(const int32_t start_pos, const int32_t length) const;

  std::string to_hex_string() const;

  std::string to_binary_string() const;

 private:
  uint8_t *value_;
};

}  // namespace canbus
}  // namespace drivers
}  // namespace apollo