Steve Karg
108 lines
3.0 KiB
C
108 lines
3.0 KiB
C
/**
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* @file
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* @brief BACnetLogRecord data type encoding and decoding
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* @author Steve Karg <skarg@users.sourceforge.net>
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* @date 2025
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* @copyright SPDX-License-Identifier: MIT
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*/
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#ifndef BACNET_LOG_H
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#define BACNET_LOG_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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/* BACnet Stack defines - first */
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#include "bacnet/bacdef.h"
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/* BACnet datatypes */
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#include "bacnet/datetime.h"
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/* BACnetLogRecord log-datum failure Error */
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struct bacnet_log_datum_error {
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uint16_t error_class;
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uint16_t error_code;
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};
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/* BACnetLogRecord log-datum 32-bit bitstring (maps 24-bits) */
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#define BACNET_LOG_DATUM_BITSTRING_BYTES_MAX 3
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struct bacnet_log_datum_bitstring {
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uint8_t bits_used;
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uint8_t value[BACNET_LOG_DATUM_BITSTRING_BYTES_MAX];
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};
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typedef struct BACnetLogRecord {
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BACNET_DATE_TIME timestamp;
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/* only 4 lower bits used; set bit-7 to include this optional data */
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uint8_t status_flags;
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/* tag indicates which datum is used */
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uint8_t tag;
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union {
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uint8_t log_status;
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uint8_t boolean_value;
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float real_value;
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uint32_t enumerated_value;
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uint32_t unsigned_value;
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int32_t integer_value;
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struct bacnet_log_datum_bitstring bitstring_value;
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struct bacnet_log_datum_error failure;
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float time_change;
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} log_datum;
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struct BACnetLogRecord *next;
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} BACNET_LOG_RECORD;
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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BACNET_STACK_EXPORT
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int bacnet_log_record_value_encode(
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uint8_t *apdu, const BACNET_LOG_RECORD *value);
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BACNET_STACK_EXPORT
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int bacnet_log_record_decode(
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const uint8_t *apdu, size_t apdu_len, BACNET_LOG_RECORD *value);
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BACNET_STACK_EXPORT
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int bacnet_log_record_datum32_decode(
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const uint8_t *apdu,
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size_t apdu_size,
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uint8_t tag_data_type,
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uint32_t len_value_type,
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BACNET_LOG_RECORD *value);
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BACNET_STACK_EXPORT
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int bacnet_log_record_encode(
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uint8_t *apdu, size_t apdu_size, const BACNET_LOG_RECORD *value);
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BACNET_STACK_EXPORT
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bool bacnet_log_record_datum_from_ascii(
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BACNET_LOG_RECORD *value, const char *argv);
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BACNET_STACK_EXPORT
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bool bacnet_log_record_copy(
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BACNET_LOG_RECORD *dest, const BACNET_LOG_RECORD *src);
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BACNET_STACK_EXPORT
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bool bacnet_log_record_same(
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const BACNET_LOG_RECORD *value1, const BACNET_LOG_RECORD *value2);
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BACNET_STACK_EXPORT
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void bacnet_log_record_datum_bitstring_set(
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struct bacnet_log_datum_bitstring *bit_string,
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uint8_t bit_number,
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bool value);
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BACNET_STACK_EXPORT
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bool bacnet_log_record_datum_bitstring_same(
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const struct bacnet_log_datum_bitstring *value1,
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const struct bacnet_log_datum_bitstring *value2);
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BACNET_STACK_EXPORT
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bool bacnet_log_record_status_flags_bit(
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uint8_t status_flags, uint8_t bit_number);
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BACNET_STACK_EXPORT
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void bacnet_log_record_status_flags_bit_set(
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uint8_t *status_flags, uint8_t bit_number, bool value);
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BACNET_STACK_EXPORT
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void bacnet_log_record_link_array(BACNET_LOG_RECORD *array, size_t size);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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