mirror of
https://github.com/UtilitechAS/amsreader-firmware.git
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99 lines
1.9 KiB
C
99 lines
1.9 KiB
C
/**
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* @copyright Utilitech AS 2023
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* License: Fair Source
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*
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*/
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#ifndef _COSEM_H
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#define _COSEM_H
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#include "lwip/def.h"
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// Blue book, Table 2
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enum CosemType {
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CosemTypeNull = 0x00,
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CosemTypeArray = 0x01,
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CosemTypeStructure = 0x02,
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CosemTypeOctetString = 0x09,
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CosemTypeString = 0x0A,
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CosemTypeDLongSigned = 0x05,
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CosemTypeDLongUnsigned = 0x06,
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CosemTypeLongSigned = 0x10,
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CosemTypeLongUnsigned = 0x12,
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CosemTypeLong64Signed = 0x14,
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CosemTypeLong64Unsigned = 0x15,
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CosemTypeDateTime = 0x19
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};
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struct CosemBasic {
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uint8_t type;
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uint8_t length;
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} __attribute__((packed));
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struct CosemString {
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uint8_t type;
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uint8_t length;
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uint8_t data[];
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} __attribute__((packed));
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struct CosemLongSigned {
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uint8_t type;
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int16_t data;
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} __attribute__((packed));
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struct CosemLongUnsigned {
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uint8_t type;
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uint16_t data;
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} __attribute__((packed));
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struct CosemDLongSigned {
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uint8_t type;
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int32_t data;
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} __attribute__((packed));
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struct CosemDLongUnsigned {
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uint8_t type;
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uint32_t data;
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} __attribute__((packed));
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struct CosemLong64Signed {
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uint8_t type;
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int64_t data;
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} __attribute__((packed));
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struct CosemLong64Unsigned {
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uint8_t type;
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uint64_t data;
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} __attribute__((packed));
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struct CosemDateTime {
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uint8_t type;
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uint16_t year;
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uint8_t month;
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uint8_t dayOfMonth;
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uint8_t dayOfWeek;
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uint8_t hour;
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uint8_t minute;
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uint8_t second;
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uint8_t hundredths;
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int16_t deviation;
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uint8_t status;
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} __attribute__((packed));
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typedef union {
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struct CosemBasic base;
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struct CosemString str;
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struct CosemString oct;
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struct CosemLongSigned ls;
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struct CosemLongUnsigned lu;
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struct CosemDLongSigned dls;
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struct CosemDLongUnsigned dlu;
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struct CosemLong64Signed l64s;
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struct CosemLong64Unsigned l64u;
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struct CosemDateTime dt;
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} CosemData;
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time_t decodeCosemDateTime(CosemDateTime timestamp);
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#endif
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