Implement SAE J1850 CRC8 and "Zero" version

include/etl/crc.h

@@ -40,6 +40,8 @@ SOFTWARE.
 #include "crc8_ebu.h"
 #include "crc8_icode.h"
 #include "crc8_itu.h"
+#include "crc8_j1850_zero.h"
+#include "crc8_j1850.h"
 #include "crc8_maxim.h"
 #include "crc8_rohc.h"
 #include "crc8_wcdma.h"

include/etl/crc8_j1850.h

@@ -0,0 +1,79 @@
+///\file
+
+/******************************************************************************
+The MIT License(MIT)
+
+Embedded Template Library.
+https://github.com/ETLCPP/etl
+https://www.etlcpp.com
+
+Copyright(c) 2021 John Wellbelove
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files(the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions :
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+******************************************************************************/
+
+#ifndef ETL_CRC8_J1850_INCLUDED
+#define ETL_CRC8_J1850_INCLUDED
+
+#include "platform.h"
+#include "private/crc_implementation.h"
+
+///\defgroup SAE J1850 8 bit CRC calculation
+///\ingroup crc
+
+namespace etl
+{
+#if ETL_USING_CPP11 && !defined(ETL_CRC_FORCE_CPP03_IMPLEMENTATION)
+  template <size_t Table_Size>
+  using crc8_j1850_t = etl::crc_type<etl::private_crc::crc8_j1850_parameters, Table_Size>;
+#else
+  template <size_t Table_Size>
+  class crc8_j1850_t : public etl::crc_type<etl::private_crc::crc8_j1850_parameters, Table_Size>
+  {
+  public:
+
+    //*************************************************************************
+    /// Default constructor.
+    //*************************************************************************
+    crc8_j1850_t()
+    {
+      this->reset();
+    }
+
+    //*************************************************************************
+    /// Constructor from range.
+    /// \param begin Start of the range.
+    /// \param end   End of the range.
+    //*************************************************************************
+    template<typename TIterator>
+    crc8_j1850_t(TIterator begin, const TIterator end)
+    {
+      this->reset();
+      this->add(begin, end);
+    }
+  };
+#endif
+
+  typedef etl::crc8_j1850_t<256U> crc8_j1850_t256;
+  typedef etl::crc8_j1850_t<16U>  crc8_j1850_t16;
+  typedef etl::crc8_j1850_t<4U>   crc8_j1850_t4;
+  typedef crc8_j1850_t256         crc8_j1850;
+}
+
+#endif

include/etl/crc8_j1850_zero.h

@@ -0,0 +1,79 @@
+///\file
+
+/******************************************************************************
+The MIT License(MIT)
+
+Embedded Template Library.
+https://github.com/ETLCPP/etl
+https://www.etlcpp.com
+
+Copyright(c) 2021 John Wellbelove
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files(the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions :
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+******************************************************************************/
+
+#ifndef ETL_CRC8_J1850_ZERO_INCLUDED
+#define ETL_CRC8_J1850_ZERO_INCLUDED
+
+#include "platform.h"
+#include "private/crc_implementation.h"
+
+///\defgroup SAE J1850 Zero 8 bit CRC calculation
+///\ingroup crc
+
+namespace etl
+{
+#if ETL_USING_CPP11 && !defined(ETL_CRC_FORCE_CPP03_IMPLEMENTATION)
+  template <size_t Table_Size>
+  using crc8_j1850_zero_t = etl::crc_type<etl::private_crc::crc8_j1850_zero_parameters, Table_Size>;
+#else
+  template <size_t Table_Size>
+  class crc8_j1850_zero_t : public etl::crc_type<etl::private_crc::crc8_j1850_zero_parameters, Table_Size>
+  {
+  public:
+
+    //*************************************************************************
+    /// Default constructor.
+    //*************************************************************************
+    crc8_j1850_zero_t()
+    {
+      this->reset();
+    }
+
+    //*************************************************************************
+    /// Constructor from range.
+    /// \param begin Start of the range.
+    /// \param end   End of the range.
+    //*************************************************************************
+    template<typename TIterator>
+    crc8_j1850_zero_t(TIterator begin, const TIterator end)
+    {
+      this->reset();
+      this->add(begin, end);
+    }
+  };
+#endif
+
+  typedef etl::crc8_j1850_zero_t<256U> crc8_j1850_zero_t256;
+  typedef etl::crc8_j1850_zero_t<16U>  crc8_j1850_zero_t16;
+  typedef etl::crc8_j1850_zero_t<4U>   crc8_j1850_zero_t4;
+  typedef crc8_j1850_zero_t256         crc8_j1850_zero;
+}
+
+#endif

include/etl/private/crc_parameters.h

@@ -79,6 +79,8 @@ namespace etl
     typedef crc_parameters<uint8_t, 0x07U, 0x00U, 0x55U, false> crc8_itu_parameters;
     typedef crc_parameters<uint8_t, 0x31U, 0x00U, 0x00U, true>  crc8_maxim_parameters;
     typedef crc_parameters<uint8_t, 0x9BU, 0x00U, 0x00U, true>  crc8_wcdma_parameters;
+    typedef crc_parameters<uint8_t, 0x1DU, 0xFFU, 0xFFU, false> crc8_j1850_parameters;
+    typedef crc_parameters<uint8_t, 0x1DU, 0x00U, 0x00U, false> crc8_j1850_zero_parameters;
 
     // 16 bit.
     typedef crc_parameters<uint16_t, 0x8005U, 0x0000U, 0x0000U, true>  crc16_parameters;

test/CMakeLists.txt

@@ -98,6 +98,8 @@ add_executable(etl_tests
 	test_crc8_ebu.cpp
 	test_crc8_icode.cpp
 	test_crc8_itu.cpp
+	test_crc8_j1850_zero.cpp
+	test_crc8_j1850.cpp
 	test_crc8_maxim.cpp
 	test_crc8_rohc.cpp
 	test_crc8_wcdma.cpp