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/*####COPYRIGHTBEGIN####
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-------------------------------------------
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Copyright (C) 2004 Steve Karg
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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The Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA.
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As a special exception, if other files instantiate templates or
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use macros or inline functions from this file, or you compile
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this file and link it with other works to produce a work based
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on this file, this file does not by itself cause the resulting
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work to be covered by the GNU General Public License. However
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the source code for this file must still be made available in
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accordance with section (3) of the GNU General Public License.
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This exception does not invalidate any other reasons why a work
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based on this file might be covered by the GNU General Public
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License.
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-------------------------------------------
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####COPYRIGHTEND####*/
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#ifndef BACDCODE_H
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#define BACDCODE_H
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#include <stdint.h>
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#include <stdbool.h>
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enum BACnetApplicationTag {
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BACNET_APPLICATION_TAG_NULL = 0,
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BACNET_APPLICATION_TAG_BOOLEAN = 1,
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BACNET_APPLICATION_TAG_UNSIGNED_INT = 2,
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BACNET_APPLICATION_TAG_SIGNED_INT = 3,
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BACNET_APPLICATION_TAG_REAL = 4,
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BACNET_APPLICATION_TAG_DOUBLE = 5,
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BACNET_APPLICATION_TAG_OCTET_STRING = 6,
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BACNET_APPLICATION_TAG_CHARACTER_STRING = 7,
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BACNET_APPLICATION_TAG_BIT_STRING = 8,
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BACNET_APPLICATION_TAG_ENUMERATED = 9,
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BACNET_APPLICATION_TAG_DATE = 10,
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BACNET_APPLICATION_TAG_TIME = 11,
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BACNET_APPLICATION_TAG_OBJECT_ID = 12,
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BACNET_APPLICATION_TAG_RESERVED1 = 13,
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BACNET_APPLICATION_TAG_RESERVED2 = 14,
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BACNET_APPLICATION_TAG_RESERVED3 = 15,
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};
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// from clause 20.2.1 General Rules for Encoding BACnet Tags
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// returns the number of apdu bytes consumed
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int encode_tag(uint8_t *apdu, uint8_t tag_number, bool context_specific,
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uint32_t len_value_type);
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// from clause 20.2.1.3.2 Constructed Data
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// returns the number of apdu bytes consumed
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int encode_opening_tag(uint8_t *apdu, uint8_t tag_number);
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// from clause 20.2.1.3.2 Constructed Data
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// returns the number of apdu bytes consumed
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int encode_closing_tag(uint8_t *apdu, uint8_t tag_number);
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// from clause 20.2.1.3.2 Constructed Data
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// returns the number of apdu bytes consumed
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int decode_tag_number(uint8_t *apdu, uint8_t *tag_number);
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// from clause 20.2.1.3.2 Constructed Data
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// returns the number of apdu bytes consumed
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bool decode_is_context_specific(uint8_t *apdu);
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// from clause 20.2.1.3.2 Constructed Data
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// returns the number of apdu bytes consumed
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int decode_tag_value(uint8_t *apdu, uint32_t *value);
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// from clause 20.2.6 Encoding of a Real Number Value
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// and 20.2.1 General Rules for Encoding BACnet Tags
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// returns the number of apdu bytes consumed
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int decode_real(uint8_t *apdu, float *real_value);
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int encode_bacnet_real(float value, uint8_t *apdu);
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int encode_real(uint8_t *apdu_ptr, float value);
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// from clause 20.2.14 Encoding of an Object Identifier Value
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// and 20.2.1 General Rules for Encoding BACnet Tags
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// returns the number of apdu bytes consumed
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int decode_object_id(uint8_t *apdu,
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int *object_type, int *instance);
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int encode_bacnet_object_id(uint8_t * apdu,
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int object_type, int instance);
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int encode_context_object_id(uint8_t * apdu,int tag_number,
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int object_type, int instance);
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int encode_object_id(uint8_t *apdu,
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enum BACnetObjectType object_type, int instance);
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// from clause 20.2.9 Encoding of a Character String Value
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// and 20.2.1 General Rules for Encoding BACnet Tags
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// returns the number of apdu bytes consumed
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int encode_bacnet_character_string(uint8_t *apdu,
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const char *char_string);
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int encode_character_string(uint8_t *apdu, const char *char_string);
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int decode_character_string(uint8_t * apdu, char *char_string);
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// from clause 20.2.4 Encoding of an Unsigned Integer Value
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// and 20.2.1 General Rules for Encoding BACnet Tags
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// returns the number of apdu bytes consumed
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int encode_bacnet_unsigned(uint8_t *apdu, unsigned int value);
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int encode_context_unsigned(uint8_t *apdu, int tag_number, int value);
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int encode_unsigned(uint8_t * apdu, unsigned int value);
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int decode_unsigned(uint8_t *apdu, int *value);
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// from clause 20.2.5 Encoding of a Signed Integer Value
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// and 20.2.1 General Rules for Encoding BACnet Tags
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// returns the number of apdu bytes consumed
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int encode_bacnet_signed(uint8_t *apdu, int value);
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int encode_signed(uint8_t *apdu, int value);
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int encode_context_signed(uint8_t * apdu,int tag_number, int value);
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int decode_signed(uint8_t * apdu_ptr, int *value);
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// from clause 20.2.11 Encoding of an Enumerated Value
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// and 20.2.1 General Rules for Encoding BACnet Tags
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// returns the number of apdu bytes consumed
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int decode_enumerated(uint8_t * apdu, int *value);
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int encode_bacnet_enumerated(uint8_t * apdu, unsigned int value);
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int encode_enumerated(uint8_t *apdu, int value);
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int encode_context_enumerated(uint8_t * apdu,int tag_number,
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unsigned int value);
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// from clause 20.2.13 Encoding of a Time Value
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// and 20.2.1 General Rules for Encoding BACnet Tags
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// returns the number of apdu bytes consumed
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int encode_bacnet_time(uint8_t *apdu,int hour, int min, int sec,
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int hundredths);
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int encode_time(uint8_t *apdu,int hour, int min, int sec, int hundredths);
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int decode_bacnet_time(uint8_t *apdu, int *hour, int *min, int *sec,
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int *hundredths);
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// BACnet Date
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// year = years since 1900
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// month 1=Jan
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// day = day of month
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// wday 1=Monday...7=Sunday
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// from clause 20.2.12 Encoding of a Date Value
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// and 20.2.1 General Rules for Encoding BACnet Tags
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// returns the number of apdu bytes consumed
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int encode_bacnet_date(uint8_t *apdu, int year, int month, int day, int wday);
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int encode_date(uint8_t *apdu, int year, int month, int day, int wday);
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int decode_date(uint8_t *apdu, int *year, int *month, int *day, int *wday);
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#endif
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