2021-12-10 18:46:57 +01:00

462 lines
17 KiB
C++

#include "IEC6205675.h"
#include "lwip/def.h"
#include "Timezone.h"
IEC6205675::IEC6205675(const char* d, uint8_t useMeterType, CosemDateTime packageTimestamp) {
uint32_t ui;
double val;
char str[64];
this->packageTimestamp = getTimestamp(packageTimestamp);
ui = getNumber(AMS_OBIS_ACTIVE_IMPORT, sizeof(AMS_OBIS_ACTIVE_IMPORT), ((char *) (d)));
if(ui == 0xFFFFFFFF) {
CosemData* data = getCosemDataAt(1, ((char *) (d)));
// Kaifa special case...
if(data->base.type == CosemTypeOctetString) {
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 == 3) {
data = getCosemDataAt(idx++, ((char *) (d)));
switch(data->base.type) {
case CosemTypeOctetString: {
if(data->oct.length == 0x0C) {
AmsOctetTimestamp* ts = (AmsOctetTimestamp*) data;
meterTimestamp = getTimestamp(ts->dt);
}
}
}
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) {
listType = 1;
meterType = AmsTypeKaifa;
activeImportPower = ntohl(data->dlu.data);
lastUpdateMillis = millis();
}
// Kaifa end
} else {
listType = 1;
activeImportPower = ui;
meterType = AmsTypeUnknown;
CosemData* version = findObis(AMS_OBIS_VERSION, sizeof(AMS_OBIS_VERSION), d);
if(version != NULL && version->base.type == CosemTypeString) {
if(memcmp(version->str.data, "AIDON", 5) == 0) {
meterType = AmsTypeAidon;
} else if(memcmp(version->str.data, "Kamstrup", 8) == 0) {
meterType = AmsTypeKamstrup;
}
} else {
version = getCosemDataAt(1, ((char *) (d)));
if(version->base.type == CosemTypeString) {
if(memcmp(version->str.data, "Kamstrup", 8) == 0) {
meterType = AmsTypeKamstrup;
}
}
}
TimeChangeRule CEST = {"CEST", Last, Sun, Mar, 2, 120};
TimeChangeRule CET = {"CET ", Last, Sun, Oct, 3, 60};
Timezone tz(CEST, CET);
if(meterType == AmsTypeKamstrup || meterType == AmsTypeAidon) {
this->packageTimestamp = this->packageTimestamp > 0 ? tz.toUTC(this->packageTimestamp) : 0;
}
ui = getString(AMS_OBIS_VERSION, sizeof(AMS_OBIS_VERSION), ((char *) (d)), str);
if(ui > 0) {
listId = String(str);
}
ui = getNumber(AMS_OBIS_ACTIVE_EXPORT, sizeof(AMS_OBIS_ACTIVE_EXPORT), ((char *) (d)));
if(ui != 0xFFFFFFFF) {
activeExportPower = ui;
}
ui = getNumber(AMS_OBIS_REACTIVE_IMPORT, sizeof(AMS_OBIS_REACTIVE_IMPORT), ((char *) (d)));
if(ui != 0xFFFFFFFF) {
reactiveImportPower = ui;
}
ui = getNumber(AMS_OBIS_REACTIVE_EXPORT, sizeof(AMS_OBIS_REACTIVE_EXPORT), ((char *) (d)));
if(ui != 0xFFFFFFFF) {
reactiveExportPower = ui;
}
val = getNumber(AMS_OBIS_VOLTAGE_L1, sizeof(AMS_OBIS_VOLTAGE_L1), ((char *) (d)));
if(val != 0xFFFFFFFF) {
listType = 2;
l1voltage = val;
}
val = getNumber(AMS_OBIS_VOLTAGE_L2, sizeof(AMS_OBIS_VOLTAGE_L2), ((char *) (d)));
if(val != 0xFFFFFFFF) {
listType = 2;
l2voltage = val;
}
val = getNumber(AMS_OBIS_VOLTAGE_L3, sizeof(AMS_OBIS_VOLTAGE_L3), ((char *) (d)));
if(val != 0xFFFFFFFF) {
listType = 2;
l3voltage = val;
}
val = getNumber(AMS_OBIS_CURRENT_L1, sizeof(AMS_OBIS_CURRENT_L1), ((char *) (d)));
if(val != 0xFFFFFFFF) {
listType = 2;
l1current = val;
}
val = getNumber(AMS_OBIS_CURRENT_L2, sizeof(AMS_OBIS_CURRENT_L2), ((char *) (d)));
if(val != 0xFFFFFFFF) {
listType = 2;
l2current = val;
}
val = getNumber(AMS_OBIS_CURRENT_L3, sizeof(AMS_OBIS_CURRENT_L3), ((char *) (d)));
if(val != 0xFFFFFFFF) {
listType = 2;
l3current = val;
}
val = getNumber(AMS_OBIS_ACTIVE_IMPORT_COUNT, sizeof(AMS_OBIS_ACTIVE_IMPORT_COUNT), ((char *) (d)));
if(val != 0xFFFFFFFF) {
listType = 3;
activeImportCounter = val / 1000.0;
}
val = getNumber(AMS_OBIS_ACTIVE_EXPORT_COUNT, sizeof(AMS_OBIS_ACTIVE_EXPORT_COUNT), ((char *) (d)));
if(val != 0xFFFFFFFF) {
listType = 3;
activeExportCounter = val / 1000.0;
}
val = getNumber(AMS_OBIS_REACTIVE_IMPORT_COUNT, sizeof(AMS_OBIS_REACTIVE_IMPORT_COUNT), ((char *) (d)));
if(val != 0xFFFFFFFF) {
listType = 3;
reactiveImportCounter = val / 1000.0;
}
val = getNumber(AMS_OBIS_REACTIVE_EXPORT_COUNT, sizeof(AMS_OBIS_REACTIVE_EXPORT_COUNT), ((char *) (d)));
if(val != 0xFFFFFFFF) {
listType = 3;
reactiveExportCounter = val / 1000.0;
}
ui = getString(AMS_OBIS_METER_MODEL, sizeof(AMS_OBIS_METER_MODEL), ((char *) (d)), str);
if(ui > 0) {
meterModel = String(str);
} else {
ui = getString(AMS_OBIS_METER_MODEL_2, sizeof(AMS_OBIS_METER_MODEL_2), ((char *) (d)), str);
if(ui > 0) {
meterModel = String(str);
}
}
ui = getString(AMS_OBIS_METER_ID, sizeof(AMS_OBIS_METER_ID), ((char *) (d)), str);
if(ui > 0) {
meterId = String(str);
} else {
ui = getString(AMS_OBIS_METER_ID_2, sizeof(AMS_OBIS_METER_ID_2), ((char *) (d)), str);
if(ui > 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 = getTimestamp(amst->dt);
if(meterType == AmsTypeKamstrup || meterType == AmsTypeAidon) {
this->meterTimestamp = tz.toUTC(ts);
} else {
meterTimestamp = ts;
}
}
val = getNumber(AMS_OBIS_POWER_FACTOR, sizeof(AMS_OBIS_POWER_FACTOR), ((char *) (d)));
if(val != 0xFFFFFFFF) {
powerFactor = val;
}
val = getNumber(AMS_OBIS_POWER_FACTOR_L1, sizeof(AMS_OBIS_POWER_FACTOR_L1), ((char *) (d)));
if(val != 0xFFFFFFFF) {
l1PowerFactor = val;
}
val = getNumber(AMS_OBIS_POWER_FACTOR_L2, sizeof(AMS_OBIS_POWER_FACTOR_L2), ((char *) (d)));
if(val != 0xFFFFFFFF) {
l2PowerFactor = val;
}
val = getNumber(AMS_OBIS_POWER_FACTOR_L3, sizeof(AMS_OBIS_POWER_FACTOR_L3), ((char *) (d)));
if(val != 0xFFFFFFFF) {
l3PowerFactor = val;
}
if(meterType == AmsTypeKamstrup) {
activeImportCounter *= 10;
activeExportCounter *= 10;
reactiveImportCounter *= 10;
reactiveExportCounter *= 10;
l1current /= 100;
l2current /= 100;
l3current /= 100;
powerFactor /= 100;
l1PowerFactor /= 100;
l2PowerFactor /= 100;
l3PowerFactor /= 100;
}
lastUpdateMillis = millis();
}
threePhase = l1voltage > 0 && l2voltage > 0 && l3voltage > 0;
twoPhase = (l1voltage > 0 && l2voltage > 0) || (l2voltage > 0 && l3voltage > 0) || (l3voltage > 0 && l1voltage > 0);
if(threePhase) {
if(l2current == 0 && l1current > 0 && l3current > 0) {
l2current = (((activeImportPower - activeExportPower) * sqrt(3)) - (l1voltage * l1current) - (l3voltage * l3current)) / l2voltage;
}
}
}
CosemData* IEC6205675::getCosemDataAt(uint8_t index, const char* ptr) {
CosemData* item = (CosemData*) ptr;
int i = 0;
char* pos = (char*) ptr;
do {
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:
pos += 5;
break;
case CosemTypeLongUnsigned:
pos += 3;
break;
case CosemTypeDLongUnsigned:
pos += 5;
break;
case CosemTypeNull:
return NULL;
default:
pos += 2;
}
i++;
} while(item->base.type != HDLC_FLAG);
return NULL;
}
CosemData* IEC6205675::findObis(uint8_t* obis, int matchlength, const char* ptr) {
CosemData* item = (CosemData*) ptr;
int ret = 0;
char* pos = (char*) ptr;
do {
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:
pos += 5;
break;
case CosemTypeLongUnsigned:
pos += 3;
break;
case CosemTypeDLongUnsigned:
pos += 5;
break;
case CosemTypeNull:
return NULL;
default:
pos += 2;
}
} while(item->base.type != HDLC_FLAG);
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) {
double val = 0xFFFFFFFF;
if(item != NULL) {
char* pos = ((char*) item);
switch(item->base.type) {
case CosemTypeLongUnsigned:
val = ntohs(item->lu.data);
pos += 3;
break;
case CosemTypeDLongUnsigned:
val = ntohl(item->dlu.data);
pos += 5;
break;
case CosemTypeLongSigned:
val = ntohs(item->lu.data);
pos += 3;
break;
}
if(*pos++ == 0x02 && *pos++ == 0x02) {
int8_t scale = *++pos;
val *= pow(10, scale);
}
}
return val;
}
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 getTimestamp(ts->dt);
}
}
}
}
return 0;
}
time_t IEC6205675::getTimestamp(CosemDateTime timestamp) {
tmElements_t tm;
uint16_t year = ntohs(timestamp.year);
if(year < 1970) return 0;
tm.Year = year - 1970;
tm.Month = timestamp.month;
tm.Day = timestamp.dayOfMonth;
tm.Hour = timestamp.hour;
tm.Minute = timestamp.minute;
tm.Second = timestamp.second;
//Serial.printf("\nY: %d, M: %d, D: %d, h: %d, m: %d, s: %d, deviation: 0x%2X, status: 0x%1X\n", tm.Year, tm.Month, tm.Day, tm.Hour, tm.Minute, tm.Second, timestamp.deviation, timestamp.status);
time_t time = makeTime(tm);
int16_t deviation = ntohs(timestamp.deviation);
if(deviation >= -720 && deviation <= 720) {
time -= deviation * 60;
}
return time;
}