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IEC6205675.cpp
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IEC6205675.cpp
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#include "IEC6205675.h"
#include "lwip/def.h"
#include "Timezone.h"
#include "ntohll.h"
IEC6205675::IEC6205675(const char* d, uint8_t useMeterType, MeterConfig* meterConfig, DataParserContext &ctx) {
double val;
char str[64];
TimeChangeRule CEST = {"CEST", Last, Sun, Mar, 2, 120};
TimeChangeRule CET = {"CET ", Last, Sun, Oct, 3, 60};
Timezone tz(CEST, CET);
this->packageTimestamp = ctx.timestamp;
val = getNumber(AMS_OBIS_ACTIVE_IMPORT, sizeof(AMS_OBIS_ACTIVE_IMPORT), ((char *) (d)));
if(val == NOVALUE) {
CosemData* data = getCosemDataAt(1, ((char *) (d)));
// Kaifa special case...
if(data->base.type == CosemTypeOctetString) {
this->packageTimestamp = this->packageTimestamp > 0 ? tz.toUTC(this->packageTimestamp) : 0;
memcpy(str, data->oct.data, data->oct.length);
str[data->oct.length] = 0x00;
String listId = String(str);
if(listId.startsWith("KFM_001")) {
this->listId = listId;
meterType = AmsTypeKaifa;
int idx = 0;
data = getCosemDataAt(idx, ((char *) (d)));
idx+=2;
if(data->base.length == 0x0D || data->base.length == 0x12) {
listType = data->base.length == 0x12 ? 3 : 2;
data = getCosemDataAt(idx++, ((char *) (d)));
memcpy(str, data->oct.data, data->oct.length);
str[data->oct.length] = 0x00;
meterId = String(str);
data = getCosemDataAt(idx++, ((char *) (d)));
memcpy(str, data->oct.data, data->oct.length);
str[data->oct.length] = 0x00;
meterModel = String(str);
data = getCosemDataAt(idx++, ((char *) (d)));
activeImportPower = ntohl(data->dlu.data);
data = getCosemDataAt(idx++, ((char *) (d)));
activeExportPower = ntohl(data->dlu.data);
data = getCosemDataAt(idx++, ((char *) (d)));
reactiveImportPower = ntohl(data->dlu.data);
data = getCosemDataAt(idx++, ((char *) (d)));
reactiveExportPower = ntohl(data->dlu.data);
data = getCosemDataAt(idx++, ((char *) (d)));
l1current = ntohl(data->dlu.data) / 1000.0;
data = getCosemDataAt(idx++, ((char *) (d)));
l2current = ntohl(data->dlu.data) / 1000.0;
data = getCosemDataAt(idx++, ((char *) (d)));
l3current = ntohl(data->dlu.data) / 1000.0;
data = getCosemDataAt(idx++, ((char *) (d)));
l1voltage = ntohl(data->dlu.data) / 10.0;
data = getCosemDataAt(idx++, ((char *) (d)));
l2voltage = ntohl(data->dlu.data) / 10.0;
data = getCosemDataAt(idx++, ((char *) (d)));
l3voltage = ntohl(data->dlu.data) / 10.0;
} else if(data->base.length == 0x09 || data->base.length == 0x0E) {
listType = data->base.length == 0x0E ? 3 : 2;
data = getCosemDataAt(idx++, ((char *) (d)));
memcpy(str, data->oct.data, data->oct.length);
str[data->oct.length] = 0x00;
meterId = String(str);
data = getCosemDataAt(idx++, ((char *) (d)));
memcpy(str, data->oct.data, data->oct.length);
str[data->oct.length] = 0x00;
meterModel = String(str);
data = getCosemDataAt(idx++, ((char *) (d)));
activeImportPower = ntohl(data->dlu.data);
data = getCosemDataAt(idx++, ((char *) (d)));
activeExportPower = ntohl(data->dlu.data);
data = getCosemDataAt(idx++, ((char *) (d)));
reactiveImportPower = ntohl(data->dlu.data);
data = getCosemDataAt(idx++, ((char *) (d)));
reactiveExportPower = ntohl(data->dlu.data);
data = getCosemDataAt(idx++, ((char *) (d)));
l1current = ntohl(data->dlu.data) / 1000.0;
data = getCosemDataAt(idx++, ((char *) (d)));
l1voltage = ntohl(data->dlu.data) / 10.0;
}
if(listType >= 2 && memcmp(meterModel.c_str(), "MA304T3", 7) == 0) {
l2voltage = sqrt(pow(l1voltage - l3voltage * cos(60 * (PI/180)), 2) + pow(l3voltage * sin(60 * (PI/180)),2));
if(l2voltage > 0) {
l2current = (((activeImportPower - activeExportPower) * sqrt(3)) - (l1voltage * l1current) - (l3voltage * l3current)) / l2voltage;
}
}
if(listType == 3) {
data = getCosemDataAt(idx++, ((char *) (d)));
switch(data->base.type) {
case CosemTypeOctetString: {
if(data->oct.length == 0x0C) {
AmsOctetTimestamp* amst = (AmsOctetTimestamp*) data;
time_t ts = decodeCosemDateTime(amst->dt);
meterTimestamp = tz.toUTC(ts);
}
}
}
data = getCosemDataAt(idx++, ((char *) (d)));
activeImportCounter = ntohl(data->dlu.data) / 1000.0;
data = getCosemDataAt(idx++, ((char *) (d)));
activeExportCounter = ntohl(data->dlu.data) / 1000.0;
data = getCosemDataAt(idx++, ((char *) (d)));
reactiveImportCounter = ntohl(data->dlu.data) / 1000.0;
data = getCosemDataAt(idx++, ((char *) (d)));
reactiveExportCounter = ntohl(data->dlu.data) / 1000.0;
}
lastUpdateMillis = millis();
}
} else if(useMeterType == AmsTypeKaifa && data->base.type == CosemTypeDLongUnsigned) {
this->packageTimestamp = this->packageTimestamp > 0 ? tz.toUTC(this->packageTimestamp) : 0;
listType = 1;
meterType = AmsTypeKaifa;
activeImportPower = ntohl(data->dlu.data);
lastUpdateMillis = millis();
}
// Kaifa end
} else {
listType = 1;
activeImportPower = val;
meterType = AmsTypeUnknown;
CosemData* version = findObis(AMS_OBIS_VERSION, sizeof(AMS_OBIS_VERSION), d);
if(version != NULL && (version->base.type == CosemTypeString || version->base.type == CosemTypeOctetString)) {
if(memcmp(version->str.data, "AIDON", 5) == 0) {
meterType = AmsTypeAidon;
} else if(memcmp(version->str.data, "Kamstrup", 8) == 0) {
meterType = AmsTypeKamstrup;
} else if(memcmp(version->str.data, "KFM", 3) == 0) {
meterType = AmsTypeKaifa;
}
} else {
version = getCosemDataAt(1, ((char *) (d)));
if(version->base.type == CosemTypeString) {
if(memcmp(version->str.data, "Kamstrup", 8) == 0) {
meterType = AmsTypeKamstrup;
}
}
}
// Try system title
if(meterType == AmsTypeUnknown) {
if(memcmp(ctx.system_title, "SAGY", 4) == 0) {
meterType = AmsTypeSagemcom;
}
}
if(meterType == AmsTypeKamstrup || meterType == AmsTypeAidon) {
this->packageTimestamp = this->packageTimestamp > 0 ? tz.toUTC(this->packageTimestamp) : 0;
}
uint8_t str_len = 0;
str_len = getString(AMS_OBIS_VERSION, sizeof(AMS_OBIS_VERSION), ((char *) (d)), str);
if(str_len > 0) {
listId = String(str);
}
val = getNumber(AMS_OBIS_ACTIVE_EXPORT, sizeof(AMS_OBIS_ACTIVE_EXPORT), ((char *) (d)));
if(val != NOVALUE) {
activeExportPower = val;
}
val = getNumber(AMS_OBIS_REACTIVE_IMPORT, sizeof(AMS_OBIS_REACTIVE_IMPORT), ((char *) (d)));
if(val != NOVALUE) {
reactiveImportPower = val;
}
val = getNumber(AMS_OBIS_REACTIVE_EXPORT, sizeof(AMS_OBIS_REACTIVE_EXPORT), ((char *) (d)));
if(val != NOVALUE) {
reactiveExportPower = val;
}
val = getNumber(AMS_OBIS_VOLTAGE_L1, sizeof(AMS_OBIS_VOLTAGE_L1), ((char *) (d)));
if(val != NOVALUE) {
listType = 2;
l1voltage = val;
}
val = getNumber(AMS_OBIS_VOLTAGE_L2, sizeof(AMS_OBIS_VOLTAGE_L2), ((char *) (d)));
if(val != NOVALUE) {
listType = 2;
l2voltage = val;
}
val = getNumber(AMS_OBIS_VOLTAGE_L3, sizeof(AMS_OBIS_VOLTAGE_L3), ((char *) (d)));
if(val != NOVALUE) {
listType = 2;
l3voltage = val;
}
val = getNumber(AMS_OBIS_CURRENT_L1, sizeof(AMS_OBIS_CURRENT_L1), ((char *) (d)));
if(val != NOVALUE) {
listType = 2;
l1current = val;
}
val = getNumber(AMS_OBIS_CURRENT_L2, sizeof(AMS_OBIS_CURRENT_L2), ((char *) (d)));
if(val != NOVALUE) {
listType = 2;
l2current = val;
}
val = getNumber(AMS_OBIS_CURRENT_L3, sizeof(AMS_OBIS_CURRENT_L3), ((char *) (d)));
if(val != NOVALUE) {
listType = 2;
l3current = val;
}
val = getNumber(AMS_OBIS_ACTIVE_IMPORT_COUNT, sizeof(AMS_OBIS_ACTIVE_IMPORT_COUNT), ((char *) (d)));
if(val != NOVALUE) {
listType = 3;
activeImportCounter = val / 1000.0;
}
val = getNumber(AMS_OBIS_ACTIVE_EXPORT_COUNT, sizeof(AMS_OBIS_ACTIVE_EXPORT_COUNT), ((char *) (d)));
if(val != NOVALUE) {
listType = 3;
activeExportCounter = val / 1000.0;
}
val = getNumber(AMS_OBIS_REACTIVE_IMPORT_COUNT, sizeof(AMS_OBIS_REACTIVE_IMPORT_COUNT), ((char *) (d)));
if(val != NOVALUE) {
listType = 3;
reactiveImportCounter = val / 1000.0;
}
val = getNumber(AMS_OBIS_REACTIVE_EXPORT_COUNT, sizeof(AMS_OBIS_REACTIVE_EXPORT_COUNT), ((char *) (d)));
if(val != NOVALUE) {
listType = 3;
reactiveExportCounter = val / 1000.0;
}
str_len = getString(AMS_OBIS_METER_MODEL, sizeof(AMS_OBIS_METER_MODEL), ((char *) (d)), str);
if(str_len > 0) {
meterModel = String(str);
} else {
str_len = getString(AMS_OBIS_METER_MODEL_2, sizeof(AMS_OBIS_METER_MODEL_2), ((char *) (d)), str);
if(str_len > 0) {
meterModel = String(str);
}
}
str_len = getString(AMS_OBIS_METER_ID, sizeof(AMS_OBIS_METER_ID), ((char *) (d)), str);
if(str_len > 0) {
meterId = String(str);
} else {
str_len = getString(AMS_OBIS_METER_ID_2, sizeof(AMS_OBIS_METER_ID_2), ((char *) (d)), str);
if(str_len > 0) {
meterId = String(str);
}
}
CosemData* meterTs = findObis(AMS_OBIS_METER_TIMESTAMP, sizeof(AMS_OBIS_METER_TIMESTAMP), ((char *) (d)));
if(meterTs != NULL) {
AmsOctetTimestamp* amst = (AmsOctetTimestamp*) meterTs;
time_t ts = decodeCosemDateTime(amst->dt);
if(meterType == AmsTypeAidon) {
meterTimestamp = ts - 3600;
} else if(meterType == AmsTypeKamstrup) {
meterTimestamp = tz.toUTC(ts);
} else {
meterTimestamp = ts;
}
}
val = getNumber(AMS_OBIS_POWER_FACTOR, sizeof(AMS_OBIS_POWER_FACTOR), ((char *) (d)));
if(val != NOVALUE) {
listType = 4;
powerFactor = val;
}
val = getNumber(AMS_OBIS_POWER_FACTOR_L1, sizeof(AMS_OBIS_POWER_FACTOR_L1), ((char *) (d)));
if(val != NOVALUE) {
listType = 4;
l1PowerFactor = val;
}
val = getNumber(AMS_OBIS_POWER_FACTOR_L2, sizeof(AMS_OBIS_POWER_FACTOR_L2), ((char *) (d)));
if(val != NOVALUE) {
listType = 4;
l2PowerFactor = val;
}
val = getNumber(AMS_OBIS_POWER_FACTOR_L3, sizeof(AMS_OBIS_POWER_FACTOR_L3), ((char *) (d)));
if(val != NOVALUE) {
listType = 4;
l3PowerFactor = val;
}
val = getNumber(AMS_OBIS_ACTIVE_IMPORT_L1, sizeof(AMS_OBIS_ACTIVE_IMPORT_L1), ((char *) (d)));
if (val != NOVALUE) {
listType = 4;
l1activeImportPower = val;
}
val = getNumber(AMS_OBIS_ACTIVE_IMPORT_L2, sizeof(AMS_OBIS_ACTIVE_IMPORT_L2), ((char *) (d)));
if (val != NOVALUE) {
listType = 4;
l2activeImportPower = val;
}
val = getNumber(AMS_OBIS_ACTIVE_IMPORT_L3, sizeof(AMS_OBIS_ACTIVE_IMPORT_L3), ((char *) (d)));
if (val != NOVALUE) {
listType = 4;
l3activeImportPower = val;
}
val = getNumber(AMS_OBIS_ACTIVE_EXPORT_L1, sizeof(AMS_OBIS_ACTIVE_EXPORT_L1), ((char *) (d)));
if (val != NOVALUE) {
listType = 4;
l1activeExportPower = val;
}
val = getNumber(AMS_OBIS_ACTIVE_EXPORT_L2, sizeof(AMS_OBIS_ACTIVE_EXPORT_L2), ((char *) (d)));
if (val != NOVALUE) {
listType = 4;
l2activeExportPower = val;
}
val = getNumber(AMS_OBIS_ACTIVE_EXPORT_L3, sizeof(AMS_OBIS_ACTIVE_EXPORT_L3), ((char *) (d)));
if (val != NOVALUE) {
listType = 4;
l3activeExportPower = val;
}
if(meterType == AmsTypeKamstrup) {
if(listType >= 3) {
activeImportCounter *= 10;
activeExportCounter *= 10;
reactiveImportCounter *= 10;
reactiveExportCounter *= 10;
}
if(l1current != 0)
l1current /= 100;
if(l2current != 0)
l2current /= 100;
if(l3current != 0)
l3current /= 100;
if(powerFactor != 0)
powerFactor /= 100;
if(l1PowerFactor != 0)
l1PowerFactor /= 100;
if(l2PowerFactor != 0)
l2PowerFactor /= 100;
if(l3PowerFactor != 0)
l3PowerFactor /= 100;
} else if(meterType == AmsTypeSagemcom) {
CosemData* meterTs = getCosemDataAt(1, ((char *) (d)));
if(meterTs != NULL) {
AmsOctetTimestamp* amst = (AmsOctetTimestamp*) meterTs;
time_t ts = decodeCosemDateTime(amst->dt);
meterTimestamp = ts;
}
CosemData* mid = getCosemDataAt(58, ((char *) (d))); // TODO: Get last item
if(mid != NULL) {
switch(mid->base.type) {
case CosemTypeString:
memcpy(str, mid->oct.data, mid->oct.length);
str[mid->oct.length] = 0x00;
meterId = String(str);
break;
case CosemTypeOctetString:
memcpy(str, mid->str.data, mid->str.length);
str[mid->str.length] = 0x00;
meterId = String(str);
break;
}
}
} else if(meterType == AmsTypeKaifa) {
if(l1current != 0)
l1current /= 1000;
if(l2current != 0)
l2current /= 1000;
if(l3current != 0)
l3current /= 1000;
if(l1voltage != 0)
l1voltage /= 10;
if(l2voltage != 0)
l2voltage /= 10;
if(l3voltage != 0)
l3voltage /= 10;
}
lastUpdateMillis = millis();
}
if(meterConfig->wattageMultiplier > 0) {
activeImportPower = activeImportPower > 0 ? activeImportPower * (meterConfig->wattageMultiplier / 1000.0) : 0;
activeExportPower = activeExportPower > 0 ? activeExportPower * (meterConfig->wattageMultiplier / 1000.0) : 0;
reactiveImportPower = reactiveImportPower > 0 ? reactiveImportPower * (meterConfig->wattageMultiplier / 1000.0) : 0;
reactiveExportPower = reactiveExportPower > 0 ? reactiveExportPower * (meterConfig->wattageMultiplier / 1000.0) : 0;
}
if(meterConfig->voltageMultiplier > 0) {
l1voltage = l1voltage > 0 ? l1voltage * (meterConfig->voltageMultiplier / 1000.0) : 0;
l2voltage = l2voltage > 0 ? l2voltage * (meterConfig->voltageMultiplier / 1000.0) : 0;
l3voltage = l3voltage > 0 ? l3voltage * (meterConfig->voltageMultiplier / 1000.0) : 0;
}
if(meterConfig->amperageMultiplier > 0) {
l1current = l1current > 0 ? l1current * (meterConfig->amperageMultiplier / 1000.0) : 0;
l2current = l2current > 0 ? l2current * (meterConfig->amperageMultiplier / 1000.0) : 0;
l3current = l3current > 0 ? l3current * (meterConfig->amperageMultiplier / 1000.0) : 0;
}
if(meterConfig->accumulatedMultiplier > 0) {
activeImportCounter = activeImportCounter > 0 ? activeImportCounter * (meterConfig->accumulatedMultiplier / 1000.0) : 0;
activeExportCounter = activeExportCounter > 0 ? activeExportCounter * (meterConfig->accumulatedMultiplier / 1000.0) : 0;
reactiveImportCounter = reactiveImportCounter > 0 ? reactiveImportCounter * (meterConfig->accumulatedMultiplier / 1000.0) : 0;
reactiveExportCounter = reactiveExportCounter > 0 ? reactiveExportCounter * (meterConfig->accumulatedMultiplier / 1000.0) : 0;
}
threePhase = l1voltage > 0 && l2voltage > 0 && l3voltage > 0;
if(!threePhase)
twoPhase = (l1voltage > 0 && l2voltage > 0) || (l2voltage > 0 && l3voltage > 0) || (l3voltage > 0 && l1voltage > 0);
// Special case for Norwegian IT/TT meters that does not report all values
if(meterConfig->distributionSystem == 1) {
if(threePhase) {
if(l2current == 0.0 && l1current > 0.0 && l3current > 0.0) {
l2current = (((activeImportPower - activeExportPower) * sqrt(3)) - (l1voltage * l1current) - (l3voltage * l3current)) / l2voltage;
if(activeExportPower == 0.0) {
l2current = max((float) 0.0, l2current);
}
}
} else if(twoPhase && l1current > 0.0 && l2current > 0.0 && l3current > 0.0) {
l2voltage = sqrt(pow(l1voltage - l3voltage * cos(60.0 * (PI/180.0)), 2) + pow(l3voltage * sin(60.0 * (PI/180.0)),2));
threePhase = true;
}
}
}
CosemData* IEC6205675::getCosemDataAt(uint8_t index, const char* ptr) {
CosemData* item = (CosemData*) ptr;
int i = 0;
char* pos = (char*) ptr;
while(pos-ptr < 900) {
item = (CosemData*) pos;
if(i == index) return item;
switch(item->base.type) {
case CosemTypeArray:
case CosemTypeStructure:
pos += 2;
break;
case CosemTypeOctetString:
case CosemTypeString:
pos += 2 + item->base.length;
break;
case CosemTypeLongSigned:
case CosemTypeLongUnsigned:
pos += 3;
break;
case CosemTypeDLongSigned:
case CosemTypeDLongUnsigned:
pos += 5;
break;
case CosemTypeLong64Signed:
case CosemTypeLong64Unsigned:
pos += 9;
break;
case CosemTypeNull:
pos += 1;
break;
default:
pos += 2;
}
i++;
}
return NULL;
}
CosemData* IEC6205675::findObis(uint8_t* obis, int matchlength, const char* ptr) {
CosemData* item = (CosemData*) ptr;
int ret = 0;
char* pos = (char*) ptr;
while(pos-ptr < 900) {
item = (CosemData*) pos;
if(ret == 1) return item;
switch(item->base.type) {
case CosemTypeArray:
case CosemTypeStructure:
pos += 2;
break;
case CosemTypeOctetString: {
ret = 1;
uint8_t* found = item->oct.data;
int x = 6 - matchlength;
for(int i = x; i < 6; i++) {
if(found[i] != obis[i-x]) ret = 0;
}
} // Fallthrough
case CosemTypeString: {
pos += 2 + item->base.length;
break;
}
case CosemTypeLongSigned:
case CosemTypeLongUnsigned:
pos += 3;
break;
case CosemTypeDLongSigned:
case CosemTypeDLongUnsigned:
pos += 5;
break;
case CosemTypeLong64Signed:
case CosemTypeLong64Unsigned:
pos += 9;
break;
case CosemTypeNull:
pos += 1;
break;
default:
pos += 2;
}
}
return NULL;
}
uint8_t IEC6205675::getString(uint8_t* obis, int matchlength, const char* ptr, char* target) {
CosemData* item = findObis(obis, matchlength, ptr);
if(item != NULL) {
switch(item->base.type) {
case CosemTypeString:
memcpy(target, item->str.data, item->str.length);
target[item->str.length] = 0;
return item->str.length;
case CosemTypeOctetString:
memcpy(target, item->oct.data, item->oct.length);
target[item->oct.length] = 0;
return item->oct.length;
}
}
return 0;
}
double IEC6205675::getNumber(uint8_t* obis, int matchlength, const char* ptr) {
CosemData* item = findObis(obis, matchlength, ptr);
return getNumber(item);
}
double IEC6205675::getNumber(CosemData* item) {
if(item != NULL) {
double ret = 0.0;
char* pos = ((char*) item);
switch(item->base.type) {
case CosemTypeLongSigned: {
int16_t i16 = ntohs(item->ls.data);
ret = i16;
pos += 3;
break;
}
case CosemTypeLongUnsigned: {
uint16_t u16 = ntohs(item->lu.data);
ret = u16;
pos += 3;
break;
}
case CosemTypeDLongSigned: {
int32_t i32 = ntohl(item->dlu.data);
ret = i32;
pos += 5;
break;
}
case CosemTypeDLongUnsigned: {
uint32_t u32 = ntohl(item->dlu.data);
ret = u32;
pos += 5;
break;
}
case CosemTypeLong64Signed: {
int64_t i64 = ntohll(item->l64s.data);
ret = i64;
pos += 9;
break;
}
case CosemTypeLong64Unsigned: {
uint64_t u64 = ntohll(item->l64u.data);
ret = u64;
pos += 9;
break;
}
}
if(pos != NULL) {
if(*pos++ == 0x02 && *pos++ == 0x02) {
int8_t scale = *++pos;
ret *= pow(10, scale);
}
}
return ret;
}
return NOVALUE;
}
time_t IEC6205675::getTimestamp(uint8_t* obis, int matchlength, const char* ptr) {
CosemData* item = findObis(obis, matchlength, ptr);
if(item != NULL) {
switch(item->base.type) {
case CosemTypeOctetString: {
if(item->oct.length == 0x0C) {
AmsOctetTimestamp* ts = (AmsOctetTimestamp*) item;
return decodeCosemDateTime(ts->dt);
}
}
}
}
return 0;
}