endianconv.h

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/*******************************************************************************
 * Copyright (c) 2009, Rockwell Automation, Inc.
 * All rights reserved.
 *
 ******************************************************************************/
#ifndef OPENER_ENDIANCONV_H_
#define OPENER_ENDIANCONV_H_

#include "typedefs.h"

typedef enum {
  kOpenerEndianessUnknown = -1,
  kOpENerEndianessLittle = 0,
  kOpENerEndianessBig = 1
} OpenerEndianess;

EipUint8 GetSintFromMessage(const EipUint8 **const buffer);

CipByte GetByteFromMessage(const CipOctet **const buffer_address);

CipUsint GetUsintFromMessage(const CipOctet **const buffer_address);

EipUint16 GetIntFromMessage(const EipUint8 **const buffer);

CipUint GetUintFromMessage(const CipOctet **const buffer_address);

CipWord GetWordFromMessage(const CipOctet **const buffer_address);

EipUint32 GetDintFromMessage(const EipUint8 **const buffer);

CipUdint GetUdintFromMessage(const CipOctet **const buffer_address);

int AddSintToMessage(const EipUint8 data,
                     EipUint8 **const buffer);

int AddIntToMessage(const EipUint16 data,
                    EipUint8 **const buffer);

int AddDintToMessage(const EipUint32 data,
                     EipUint8 **const buffer);

#ifdef OPENER_SUPPORT_64BIT_DATATYPES

EipUint64 GetLintFromMessage(const EipUint8 **const buffer);

int AddLintToMessage(const EipUint64 pa_unData,
                     EipUint8 **const buffer);

#endif

int EncapsulateIpAddress(EipUint16 port,
                         EipUint32 address,
                         EipByte **communication_buffer);

void DetermineEndianess(void);

int GetEndianess(void);

int MoveMessageNOctets(const int n,
                       const CipOctet **message_runner);

int FillNextNMessageOctetsWith(CipOctet value,
                               unsigned int n,
                               CipOctet **message);

int FillNextNMessageOctetsWithValueAndMoveToNextPosition(CipOctet value,
                                                         unsigned int n,
                                                         CipOctet **message);
#endif /* OPENER_ENDIANCONV_H_ */