Device interface library for multiple platforms including Mbed.

Dependents:   DeepCover Embedded Security in IoT MaximInterface MAXREFDES155#

Maxim Interface is a library framework focused on providing flexible and expressive hardware interfaces. Both communication interfaces such as I2C and 1-Wire and device interfaces such as DS18B20 are supported. Modern C++ concepts are used extensively while keeping compatibility with C++98/C++03 and requiring no external dependencies. The embedded-friendly design does not depend on exceptions or RTTI.

The full version of the project is hosted on GitLab: https://gitlab.com/iabenz/MaximInterface

MaximInterfaceCore/Crc.hpp

Committer:
IanBenzMaxim
Date:
2019-09-27
Revision:
9:fa054cc51fdb
Parent:
MaximInterfaceCore/crc.hpp@ 8:5ea891c7d1a1

File content as of revision 9:fa054cc51fdb:

/*******************************************************************************
* Copyright (C) Maxim Integrated Products, Inc., All Rights Reserved.
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* OTHER DEALINGS IN THE SOFTWARE.
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*******************************************************************************/

#ifndef MaximInterfaceCore_Crc_hpp
#define MaximInterfaceCore_Crc_hpp

#include <stddef.h>
#include <stdint.h>
#include "Config.hpp"
#include "span.hpp"

namespace MaximInterfaceCore {

/// @brief Perform a CRC8 calculation.
/// @param crc Beginning state of the CRC generator.
/// @param data Data to pass though the CRC generator.
/// @returns The calculated CRC8.
MaximInterfaceCore_EXPORT uint_fast8_t calculateCrc8(uint_fast8_t crc,
                                                     uint_fast8_t data);

/// @brief
/// Perform a CRC8 calculation with the CRC generator initialized to zero.
/// @param data Data to pass though the CRC generator.
/// @returns The calculated CRC8.
inline uint_fast8_t calculateCrc8(uint_fast8_t data) {
  return calculateCrc8(0, data);
}

/// @brief Perform a CRC8 calculation with variable length data.
/// @param crc Beginning state of the CRC generator.
/// @param[in] data Data array to pass through the CRC generator.
/// @returns The calculated CRC8.
MaximInterfaceCore_EXPORT uint_fast8_t
calculateCrc8(uint_fast8_t crc, span<const uint_least8_t> data);

/// @brief
/// Perform a CRC8 calculation with variable length data and the CRC generator
/// initialized to zero.
/// @param[in] data Data array to pass through the CRC generator.
/// @returns The calculated CRC8.
inline uint_fast8_t calculateCrc8(span<const uint_least8_t> data) {
  return calculateCrc8(0, data);
}

/// @brief Perform a CRC16 calculation.
/// @param crc Beginning state of the CRC generator.
/// @param data Data to pass though the CRC generator.
/// @returns The calculated CRC16.
MaximInterfaceCore_EXPORT uint_fast16_t calculateCrc16(uint_fast16_t crc,
                                                       uint_fast8_t data);

/// @brief
/// Perform a CRC16 calculation with the CRC generator initialized to zero.
/// @param data Data to pass though the CRC generator.
/// @returns The calculated CRC16.
inline uint_fast16_t calculateCrc16(uint_fast8_t data) {
  return calculateCrc16(0, data);
}

/// @brief Perform a CRC16 calculation with variable length data.
/// @param crc Beginning state of the CRC generator.
/// @param[in] data Data array to pass through the CRC generator.
/// @returns The calculated CRC16.
MaximInterfaceCore_EXPORT uint_fast16_t
calculateCrc16(uint_fast16_t crc, span<const uint_least8_t> data);

/// @brief
/// Perform a CRC16 calculation with variable length data and the CRC generator
/// initialized to zero.
/// @param[in] data Data array to pass through the CRC generator.
/// @returns The calculated CRC16.
inline uint_fast16_t calculateCrc16(span<const uint_least8_t> data) {
  return calculateCrc16(0, data);
}

} // namespace MaximInterfaceCore

#endif