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104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/*
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* ber_encoder.h
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*
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* Copyright 2013-2018 Michael Zillgith
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*
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* This file is part of libIEC61850.
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*
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* libIEC61850 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* libIEC61850 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libIEC61850. If not, see <http://www.gnu.org/licenses/>.
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*
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* See COPYING file for the complete license text.
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*/
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#ifndef BER_ENCODER_H_
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#define BER_ENCODER_H_
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#include "libiec61850_platform_includes.h"
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#include "asn1_ber_primitive_value.h"
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/*
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* encoding functions
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*
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* Encoding to buffer starts at bufPos. The return value is the position in the buffer
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* of the next entity to encode.
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*/
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LIB61850_INTERNAL int
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BerEncoder_encodeLength(uint32_t length, uint8_t* buffer, int bufPos);
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LIB61850_INTERNAL int
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BerEncoder_encodeTL(uint8_t tag, uint32_t length, uint8_t* buffer, int bufPos);
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LIB61850_INTERNAL int
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BerEncoder_encodeBoolean(uint8_t tag, bool value, uint8_t* buffer, int bufPos);
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LIB61850_INTERNAL int
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BerEncoder_encodeStringWithTag(uint8_t tag, const char* string, uint8_t* buffer, int bufPos);
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LIB61850_INTERNAL int
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BerEncoder_encodeOctetString(uint8_t tag, uint8_t* octetString, uint32_t octetStringSize, uint8_t* buffer, int bufPos);
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LIB61850_INTERNAL int
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BerEncoder_encodeAsn1PrimitiveValue(uint8_t tag, Asn1PrimitiveValue* value, uint8_t* buffer, int bufPos);
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LIB61850_INTERNAL int
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BerEncoder_encodeUInt32(uint32_t value, uint8_t* buffer, int bufPos);
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LIB61850_INTERNAL int
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BerEncoder_encodeInt32(int32_t value, uint8_t* buffer, int bufPos);
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LIB61850_INTERNAL int
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BerEncoder_encodeUInt32WithTL(uint8_t tag, uint32_t value, uint8_t* buffer, int bufPos);
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LIB61850_INTERNAL int
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BerEncoder_encodeBitString(uint8_t tag, int bitStringSize, uint8_t* bitString, uint8_t* buffer, int bufPos);
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LIB61850_INTERNAL int
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BerEncoder_determineEncodedBitStringSize(int bitStringSize);
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LIB61850_INTERNAL int
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BerEncoder_encodeFloat(uint8_t* floatValue, uint8_t formatWidth, uint8_t exponentWidth,
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uint8_t* buffer, int bufPos);
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/*
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* functions to determine size of encoded entities.
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*/
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LIB61850_INTERNAL int
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BerEncoder_UInt32determineEncodedSize(uint32_t value);
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LIB61850_INTERNAL int
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BerEncoder_determineLengthSize(uint32_t length);
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LIB61850_INTERNAL int
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BerEncoder_determineEncodedStringSize(const char* string);
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LIB61850_INTERNAL int
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BerEncoder_determineEncodedBitStringSize(int bitStringSize);
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/*
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* helper functions
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*/
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LIB61850_INTERNAL int
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BerEncoder_encodeOIDToBuffer(const char* oidString, uint8_t* buffer, int maxBufLen);
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LIB61850_INTERNAL void
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BerEncoder_revertByteOrder(uint8_t* octets, const int size);
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LIB61850_INTERNAL int
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BerEncoder_compressInteger(uint8_t* integer, int originalSize);
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#endif /* BER_ENCODER_H_ */
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