216 lines
7.5 KiB
C++
216 lines
7.5 KiB
C++
/**
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* @file cc3000_common.cpp
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* @brief Defines common functions/macros for the CC3000 library
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* @author Texas Instruments
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* @author Modified by Shawn Hymel (SparkFun Electronics)
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*
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* Changes to the original code are listed below:
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*
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* - Changed file name from *.c to *.cpp to force the Arduino compiler to
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* treat it as a C++ file
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*
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* - Added the following to allow for debugging:
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* #include <Arduino.h>
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* #include "../common.h"
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*
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* - Changed return value of STREAM_TO_UINT16_f to a more explicit conversion
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* from a char[] to unsigned short
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*
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* - Changed return value of STREAM_TO_UINT32_f to a more explicit conversion
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* from a char[] to unsigned long
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*/
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/*****************************************************************************
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*
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* cc3000_common.c.c - CC3000 Host Driver Implementation.
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* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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//*****************************************************************************
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//
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//! \addtogroup common_api
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//! @{
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//
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//*****************************************************************************
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/******************************************************************************
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*
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* Include files
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*
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*****************************************************************************/
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#include <Arduino.h>
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#include "common.h"
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#include "cc3000_common.h"
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#include "socket.h"
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#include "wlan.h"
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#include "evnt_handler.h"
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//*****************************************************************************
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//
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//! __error__
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//!
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//! @param pcFilename - file name, where error occurred
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//! @param ulLine - line number, where error occurred
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//!
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//! @return none
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//!
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//! @brief stub function for ASSERT macro
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//
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//*****************************************************************************
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void
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__error__(char *pcFilename, unsigned long ulLine)
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{
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//TODO full up function
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}
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//*****************************************************************************
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//
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//! UINT32_TO_STREAM_f
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//!
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//! @param p pointer to the new stream
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//! @param u32 pointer to the 32 bit
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//!
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//! @return pointer to the new stream
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//!
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//! @brief This function is used for copying 32 bit to stream
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//! while converting to little endian format.
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//
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//*****************************************************************************
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unsigned char* UINT32_TO_STREAM_f (unsigned char *p, unsigned long u32)
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{
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*(p)++ = (unsigned char)(u32);
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*(p)++ = (unsigned char)((u32) >> 8);
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*(p)++ = (unsigned char)((u32) >> 16);
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*(p)++ = (unsigned char)((u32) >> 24);
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return p;
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}
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//*****************************************************************************
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//
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//! UINT16_TO_STREAM_f
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//!
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//! @param p pointer to the new stream
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//! @param u32 pointer to the 16 bit
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//!
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//! @return pointer to the new stream
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//!
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//! @brief This function is used for copying 16 bit to stream
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//! while converting to little endian format.
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//
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//*****************************************************************************
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unsigned char* UINT16_TO_STREAM_f (unsigned char *p, unsigned short u16)
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{
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*(p)++ = (unsigned char)(u16);
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*(p)++ = (unsigned char)((u16) >> 8);
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return p;
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}
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//*****************************************************************************
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//
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//! STREAM_TO_UINT16_f
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//!
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//! @param p pointer to the stream
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//! @param offset offset in the stream
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//!
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//! @return pointer to the new 16 bit
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//!
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//! @brief This function is used for copying received stream to
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//! 16 bit in little endian format.
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//
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//*****************************************************************************
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unsigned short STREAM_TO_UINT16_f(char* p, unsigned short offset)
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{
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return ((unsigned short)p[offset] & 0x00FF) |
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(((unsigned short)p[offset + 1] << 8) & 0xFF00);
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/*return (unsigned short)((unsigned short)((unsigned short)
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(*(p + offset + 1)) << 8) + (unsigned short)(*(p + offset)));*/
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}
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//*****************************************************************************
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//
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//! STREAM_TO_UINT32_f
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//!
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//! @param p pointer to the stream
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//! @param offset offset in the stream
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//!
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//! @return pointer to the new 32 bit
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//!
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//! @brief This function is used for copying received stream to
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//! 32 bit in little endian format.
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//
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//*****************************************************************************
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unsigned long STREAM_TO_UINT32_f(char* p, unsigned short offset)
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{
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/*#if (DEBUG == 1)
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unsigned long dest = 0;
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Serial.println("Macro: STREAM_TO_UINT32_f");
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Serial.print("Stream to copy: ");
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Serial.print((uint8_t)p[offset + 3], HEX);
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Serial.print((uint8_t)p[offset + 2], HEX);
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Serial.print((uint8_t)p[offset + 1], HEX);
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Serial.println((uint8_t)p[offset], HEX);
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dest = ((unsigned long)p[offset] & 0x000000FF) |
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(((unsigned long)p[offset + 1] << 8) & 0x0000FF00) |
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(((unsigned long)p[offset + 2] << 16) & 0x00FF0000) |
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(((unsigned long)p[offset + 3] << 24) & 0xFF000000);
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Serial.print("Copied stream: ");
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Serial.println(dest, HEX);
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#endif*/
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return ((unsigned long)p[offset] & 0x000000FF) |
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(((unsigned long)p[offset + 1] << 8) & 0x0000FF00) |
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(((unsigned long)p[offset + 2] << 16) & 0x00FF0000) |
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(((unsigned long)p[offset + 3] << 24) & 0xFF000000);
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/*return (unsigned long)((unsigned long)((unsigned long)
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(*(p + offset + 3)) << 24) + (unsigned long)((unsigned long)
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(*(p + offset + 2)) << 16) + (unsigned long)((unsigned long)
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(*(p + offset + 1)) << 8) + (unsigned long)(*(p + offset)));*/
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}
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//*****************************************************************************
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//
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// Close the Doxygen group.
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//! @}
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//
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//*****************************************************************************
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