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Untestet L&G data parser

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This commit is contained in:
Gunnar Skjold
2022-08-16 08:22:43 +02:00
parent 998b986604
commit a055465ce0
6 changed files with 135 additions and 1 deletions
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65
src/LNG.cpp Normal file
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#include "LNG.h"
#include "lwip/def.h"
#include "ams/Cosem.h"
LNG::LNG(const char* payload, uint8_t useMeterType, MeterConfig* meterConfig, DataParserContext &ctx) {
LngHeader* h = (LngHeader*) payload;
if(h->tag == CosemTypeStructure && h->arrayTag == CosemTypeArray) {
meterType = AmsTypeLng;
this->packageTimestamp = ctx.timestamp;
uint8_t* ptr = (uint8_t*) &h[1];
uint8_t* data = ptr + (18*h->arrayLength); // Skip descriptors
for(uint8_t i = 0; i < h->arrayLength; i++) {
LngObisDescriptor* descriptor = (LngObisDescriptor*) ptr;
if(descriptor->obis[2] == 1) {
if(descriptor->obis[3] == 7) {
if(descriptor->obis[4] == 0) {
CosemDLongUnsigned* item = (CosemDLongUnsigned*) data;
activeImportPower = ntohl(item->data);
listType = listType >= 1 ? listType : 1;
}
} else if(descriptor->obis[3] == 8) {
if(descriptor->obis[4] == 0) {
CosemDLongUnsigned* item = (CosemDLongUnsigned*) data;
activeImportCounter = ntohl(item->data);
listType = listType >= 3 ? listType : 3;
}
}
} else if(descriptor->obis[2] == 2) {
if(descriptor->obis[3] == 7) {
if(descriptor->obis[4] == 0) {
CosemDLongUnsigned* item = (CosemDLongUnsigned*) data;
activeExportPower = ntohl(item->data);
listType = listType >= 2 ? listType : 2;
}
} else if(descriptor->obis[3] == 8) {
if(descriptor->obis[4] == 0) {
CosemDLongUnsigned* item = (CosemDLongUnsigned*) data;
activeExportCounter = ntohl(item->data);
listType = listType >= 3 ? listType : 3;
}
}
} else if(descriptor->obis[2] == 96) {
if(descriptor->obis[3] == 1) {
if(descriptor->obis[4] == 0) {
CosemString* item = (CosemString*) data;
char str[item->length+1];
memcpy(str, item->data, item->length);
str[item->length] = '\0';
meterId = String(str);
}
}
}
ptr = (uint8_t*) &descriptor[1];
if((*data) == 0x09) {
data += (*data+1)+2;
} else {
data += 5;
}
}
}
}