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//-----------------------------------------------------------------------------
// 2023 Ahoy, https://ahoydtu.de
// Creative Commons - https://creativecommons.org/licenses/by-nc-sa/4.0/deed
//-----------------------------------------------------------------------------
// https://bert.emelis.net/espMqttClient/
#ifndef __PUB_MQTT_H__
#define __PUB_MQTT_H__
#ifdef ESP8266
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include <WiFi.h>
#endif
#include "../utils/dbg.h"
#include "../config/config.h"
#include <espMqttClient.h>
#include <ArduinoJson.h>
#include "../defines.h"
#include "../hm/hmSystem.h"
#include "pubMqttDefs.h"
#define QOS_0 0
typedef std::function<void(JsonObject)> subscriptionCb;
struct alarm_t {
uint16_t code;
uint32_t start;
uint32_t end;
alarm_t(uint16_t c, uint32_t s, uint32_t e) : code(c), start(s), end(e) {}
};
template<class HMSYSTEM>
class PubMqtt {
public:
PubMqtt() {
mRxCnt = 0;
mTxCnt = 0;
mSubscriptionCb = NULL;
memset(mLastIvState, MQTT_STATUS_NOT_AVAIL_NOT_PROD, MAX_NUM_INVERTERS);
memset(mIvLastRTRpub, 0, MAX_NUM_INVERTERS * 4);
mLastAnyAvail = false;
}
~PubMqtt() { }
void setup(cfgMqtt_t *cfg_mqtt, const char *devName, const char *version, HMSYSTEM *sys, uint32_t *utcTs) {
mCfgMqtt = cfg_mqtt;
mDevName = devName;
mVersion = version;
mSys = sys;
mUtcTimestamp = utcTs;
mIntervalTimeout = 1;
mDiscovery.running = false;
mSendIvData.running = false;
snprintf(mLwtTopic, MQTT_TOPIC_LEN + 5, "%s/mqtt", mCfgMqtt->topic);
if((strlen(mCfgMqtt->user) > 0) && (strlen(mCfgMqtt->pwd) > 0))
mClient.setCredentials(mCfgMqtt->user, mCfgMqtt->pwd);
snprintf(mClientId, 24, "%s-", mDevName);
uint8_t pos = strlen(mClientId);
mClientId[pos++] = WiFi.macAddress().substring( 9, 10).c_str()[0];
mClientId[pos++] = WiFi.macAddress().substring(10, 11).c_str()[0];
mClientId[pos++] = WiFi.macAddress().substring(12, 13).c_str()[0];
mClientId[pos++] = WiFi.macAddress().substring(13, 14).c_str()[0];
mClientId[pos++] = WiFi.macAddress().substring(15, 16).c_str()[0];
mClientId[pos++] = WiFi.macAddress().substring(16, 17).c_str()[0];
mClientId[pos++] = '\0';
mClient.setClientId(mClientId);
mClient.setServer(mCfgMqtt->broker, mCfgMqtt->port);
mClient.setWill(mLwtTopic, QOS_0, true, mqttStr[MQTT_STR_LWT_NOT_CONN]);
mClient.onConnect(std::bind(&PubMqtt::onConnect, this, std::placeholders::_1));
mClient.onDisconnect(std::bind(&PubMqtt::onDisconnect, this, std::placeholders::_1));
mClient.onMessage(std::bind(&PubMqtt::onMessage, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, std::placeholders::_5, std::placeholders::_6));
}
void loop() {
#if defined(ESP8266)
mClient.loop();
yield();
#endif
if(mSendIvData.running) {
sendIvDataLoop();
return;
}
if(mDiscovery.running)
discoveryConfigLoop();
}
void tickerSecond() {
if (mIntervalTimeout > 0)
mIntervalTimeout--;
if(mClient.disconnected()) {
mClient.connect();
return; // next try in a second
}
if(0 == mCfgMqtt->interval) { // no fixed interval, publish once new data were received (from inverter)
sendIvDataStart();
}
else { // send mqtt data in a fixed interval
if(mIntervalTimeout == 0) {
mIntervalTimeout = mCfgMqtt->interval;
mSendList.push(RealTimeRunData_Debug);
sendIvDataStart();
}
}
}
void tickerMinute() {
snprintf(mVal, 40, "%ld", millis() / 1000);
publish(subtopics[MQTT_UPTIME], mVal);
publish(subtopics[MQTT_RSSI], String(WiFi.RSSI()).c_str());
publish(subtopics[MQTT_FREE_HEAP], String(ESP.getFreeHeap()).c_str());
#ifndef ESP32
publish(subtopics[MQTT_HEAP_FRAG], String(ESP.getHeapFragmentation()).c_str());
#endif
}
bool tickerSun(uint32_t sunrise, uint32_t sunset, uint32_t offs, bool disNightCom) {
if (!mClient.connected())
return false;
publish(subtopics[MQTT_SUNRISE], String(sunrise).c_str(), true);
publish(subtopics[MQTT_SUNSET], String(sunset).c_str(), true);
publish(subtopics[MQTT_COMM_START], String(sunrise - offs).c_str(), true);
publish(subtopics[MQTT_COMM_STOP], String(sunset + offs).c_str(), true);
publish(subtopics[MQTT_DIS_NIGHT_COMM], ((disNightCom) ? dict[STR_TRUE] : dict[STR_FALSE]), true);
return true;
}
bool tickerComm(bool disabled) {
if (!mClient.connected())
return false;
publish(subtopics[MQTT_COMM_DISABLED], ((disabled) ? dict[STR_TRUE] : dict[STR_FALSE]), true);
publish(subtopics[MQTT_COMM_DIS_TS], String(*mUtcTimestamp).c_str(), true);
return true;
}
void tickerMidnight() {
// set Total YieldDay to zero
snprintf(mSubTopic, 32 + MAX_NAME_LENGTH, "total/%s", fields[FLD_YD]);
snprintf(mVal, 2, "0");
publish(mSubTopic, mVal, true);
}
void payloadEventListener(uint8_t cmd) {
if(mClient.connected()) { // prevent overflow if MQTT broker is not reachable but set
if((0 == mCfgMqtt->interval) || (RealTimeRunData_Debug != cmd)) // no interval or no live data
mSendList.push(cmd);
}
}
void alarmEventListener(uint16_t code, uint32_t start, uint32_t endTime) {
if(mClient.connected()) {
mAlarmList.push(alarm_t(code, start, endTime));
}
}
void publish(const char *subTopic, const char *payload, bool retained = false, bool addTopic = true) {
if(!mClient.connected())
return;
if(addTopic){
snprintf(mTopic, MQTT_TOPIC_LEN + 32 + MAX_NAME_LENGTH + 1, "%s/%s", mCfgMqtt->topic, subTopic);
} else {
snprintf(mTopic, MQTT_TOPIC_LEN + 32 + MAX_NAME_LENGTH + 1, "%s", subTopic);
}
do {
if(0 != mClient.publish(mTopic, QOS_0, retained, payload))
break;
if(!mClient.connected())
break;
#if defined(ESP8266)
mClient.loop();
#endif
yield();
} while(1);
mTxCnt++;
}
void subscribe(const char *subTopic) {
char topic[MQTT_TOPIC_LEN + 20];
snprintf(topic, (MQTT_TOPIC_LEN + 20), "%s/%s", mCfgMqtt->topic, subTopic);
mClient.subscribe(topic, QOS_0);
}
void setSubscriptionCb(subscriptionCb cb) {
mSubscriptionCb = cb;
}
inline bool isConnected() {
return mClient.connected();
}
inline uint32_t getTxCnt(void) {
return mTxCnt;
}
inline uint32_t getRxCnt(void) {
return mRxCnt;
}
void sendDiscoveryConfig(void) {
DPRINTLN(DBG_VERBOSE, F("sendMqttDiscoveryConfig"));
mDiscovery.running = true;
mDiscovery.lastIvId = 0;
mDiscovery.sub = 0;
mDiscovery.foundIvCnt = 0;
}
void setPowerLimitAck(Inverter<> *iv) {
if (NULL != iv) {
snprintf(mSubTopic, 32 + MAX_NAME_LENGTH, "%s/%s", iv->config->name, subtopics[MQTT_ACK_PWR_LMT]);
publish(mSubTopic, "true", true);
}
}
private:
void onConnect(bool sessionPreset) {
DPRINTLN(DBG_INFO, F("MQTT connected"));
publish(subtopics[MQTT_VERSION], mVersion, true);
publish(subtopics[MQTT_DEVICE], mDevName, true);
publish(subtopics[MQTT_IP_ADDR], WiFi.localIP().toString().c_str(), true);
tickerMinute();
publish(mLwtTopic, mqttStr[MQTT_STR_LWT_CONN], true, false);
for(uint8_t i = 0; i < MAX_NUM_INVERTERS; i++) {
snprintf(mVal, 20, "ctrl/limit/%d", i);
subscribe(mVal);
snprintf(mVal, 20, "ctrl/restart/%d", i);
subscribe(mVal);
snprintf(mVal, 20, "ctrl/power/%d", i);
subscribe(mVal);
}
subscribe(subscr[MQTT_SUBS_SET_TIME]);
}
void onDisconnect(espMqttClientTypes::DisconnectReason reason) {
DPRINT(DBG_INFO, F("MQTT disconnected, reason: "));
switch (reason) {
case espMqttClientTypes::DisconnectReason::TCP_DISCONNECTED:
DBGPRINTLN(F("TCP disconnect"));
break;
case espMqttClientTypes::DisconnectReason::MQTT_UNACCEPTABLE_PROTOCOL_VERSION:
DBGPRINTLN(F("wrong protocol version"));
break;
case espMqttClientTypes::DisconnectReason::MQTT_IDENTIFIER_REJECTED:
DBGPRINTLN(F("identifier rejected"));
break;
case espMqttClientTypes::DisconnectReason::MQTT_SERVER_UNAVAILABLE:
DBGPRINTLN(F("broker unavailable"));
break;
case espMqttClientTypes::DisconnectReason::MQTT_MALFORMED_CREDENTIALS:
DBGPRINTLN(F("malformed credentials"));
break;
case espMqttClientTypes::DisconnectReason::MQTT_NOT_AUTHORIZED:
DBGPRINTLN(F("not authorized"));
break;
default:
DBGPRINTLN(F("unknown"));
}
}
void onMessage(const espMqttClientTypes::MessageProperties& properties, const char* topic, const uint8_t* payload, size_t len, size_t index, size_t total) {
if(len == 0)
return;
DPRINT(DBG_INFO, mqttStr[MQTT_STR_GOT_TOPIC]);
DBGPRINTLN(String(topic));
if(NULL == mSubscriptionCb)
return;
DynamicJsonDocument json(128);
JsonObject root = json.to<JsonObject>();
bool limitAbs = false;
if(len > 0) {
char *pyld = new char[len + 1];
strncpy(pyld, (const char*)payload, len);
pyld[len] = '\0';
root[F("val")] = atoi(pyld);
if(pyld[len-1] == 'W')
limitAbs = true;
delete[] pyld;
}
const char *p = topic;
uint8_t pos = 0;
uint8_t elm = 0;
char tmp[30];
while(1) {
if(('/' == p[pos]) || ('\0' == p[pos])) {
strncpy(tmp, p, pos);
tmp[pos] = '\0';
switch(elm++) {
case 1: root[F("path")] = String(tmp); break;
case 2:
if(strncmp("limit", tmp, 5) == 0) {
if(limitAbs)
root[F("cmd")] = F("limit_nonpersistent_absolute");
else
root[F("cmd")] = F("limit_nonpersistent_relative");
}
else
root[F("cmd")] = String(tmp);
break;
case 3: root[F("id")] = atoi(tmp); break;
default: break;
}
if('\0' == p[pos])
break;
p = p + pos + 1;
pos = 0;
}
pos++;
}
/*char out[128];
serializeJson(root, out, 128);
DPRINTLN(DBG_INFO, "json: " + String(out));*/
(mSubscriptionCb)(root);
mRxCnt++;
}
void discoveryConfigLoop(void) {
char topic[64], name[32], uniq_id[32], buf[350];
DynamicJsonDocument doc(256);
uint8_t fldTotal[4] = {FLD_PAC, FLD_YT, FLD_YD, FLD_PDC};
const char* unitTotal[4] = {"W", "kWh", "Wh", "W"};
String node_id = String(mDevName) + "_TOTAL";
bool total = (mDiscovery.lastIvId == MAX_NUM_INVERTERS);
Inverter<> *iv = mSys->getInverterByPos(mDiscovery.lastIvId);
record_t<> *rec = NULL;
if (NULL != iv) {
rec = iv->getRecordStruct(RealTimeRunData_Debug);
if(0 == mDiscovery.sub)
mDiscovery.foundIvCnt++;
}
if ((NULL != iv) || total) {
if (!total) {
doc[F("name")] = iv->config->name;
doc[F("ids")] = String(iv->config->serial.u64, HEX);
doc[F("mdl")] = iv->config->name;
}
else {
doc[F("name")] = node_id;
doc[F("ids")] = node_id;
doc[F("mdl")] = node_id;
}
doc[F("cu")] = F("http://") + String(WiFi.localIP().toString());
doc[F("mf")] = F("Hoymiles");
JsonObject deviceObj = doc.as<JsonObject>(); // deviceObj is only pointer!?
const char *devCls, *stateCls;
if (!total) {
if (rec->assign[mDiscovery.sub].ch == CH0)
snprintf(name, 32, "%s %s", iv->config->name, iv->getFieldName(mDiscovery.sub, rec));
else
snprintf(name, 32, "%s CH%d %s", iv->config->name, rec->assign[mDiscovery.sub].ch, iv->getFieldName(mDiscovery.sub, rec));
snprintf(topic, 64, "/ch%d/%s", rec->assign[mDiscovery.sub].ch, iv->getFieldName(mDiscovery.sub, rec));
snprintf(uniq_id, 32, "ch%d_%s", rec->assign[mDiscovery.sub].ch, iv->getFieldName(mDiscovery.sub, rec));
devCls = getFieldDeviceClass(rec->assign[mDiscovery.sub].fieldId);
stateCls = getFieldStateClass(rec->assign[mDiscovery.sub].fieldId);
}
else { // total values
snprintf(name, 32, "Total %s", fields[fldTotal[mDiscovery.sub]]);
snprintf(topic, 64, "/%s", fields[fldTotal[mDiscovery.sub]]);
snprintf(uniq_id, 32, "total_%s", fields[fldTotal[mDiscovery.sub]]);
devCls = getFieldDeviceClass(fldTotal[mDiscovery.sub]);
stateCls = getFieldStateClass(fldTotal[mDiscovery.sub]);
}
DynamicJsonDocument doc2(512);
doc2[F("name")] = name;
doc2[F("stat_t")] = String(mCfgMqtt->topic) + "/" + ((!total) ? String(iv->config->name) : "total" ) + String(topic);
doc2[F("unit_of_meas")] = ((!total) ? (iv->getUnit(mDiscovery.sub, rec)) : (unitTotal[mDiscovery.sub]));
doc2[F("uniq_id")] = ((!total) ? (String(iv->config->serial.u64, HEX)) : (node_id)) + "_" + uniq_id;
doc2[F("dev")] = deviceObj;
if (!(String(stateCls) == String("total_increasing")))
doc2[F("exp_aft")] = MQTT_INTERVAL + 5; // add 5 sec if connection is bad or ESP too slow @TODO: stimmt das wirklich als expire!?
if (devCls != NULL)
doc2[F("dev_cla")] = String(devCls);
if (stateCls != NULL)
doc2[F("stat_cla")] = String(stateCls);
if (!total)
snprintf(topic, 64, "%s/sensor/%s/ch%d_%s/config", MQTT_DISCOVERY_PREFIX, iv->config->name, rec->assign[mDiscovery.sub].ch, iv->getFieldName(mDiscovery.sub, rec));
else // total values
snprintf(topic, 64, "%s/sensor/%s/total_%s/config", MQTT_DISCOVERY_PREFIX, node_id.c_str(), fields[fldTotal[mDiscovery.sub]]);
size_t size = measureJson(doc2) + 1;
memset(buf, 0, size);
serializeJson(doc2, buf, size);
publish(topic, buf, true, false);
if(++mDiscovery.sub == ((!total) ? (rec->length) : 4)) {
mDiscovery.sub = 0;
checkDiscoveryEnd();
}
} else {
mDiscovery.sub = 0;
checkDiscoveryEnd();
}
yield();
}
void checkDiscoveryEnd(void) {
if(++mDiscovery.lastIvId == MAX_NUM_INVERTERS) {
// check if only one inverter was found, then don't create 'total' sensor
if(mDiscovery.foundIvCnt == 1)
mDiscovery.running = false;
} else if(mDiscovery.lastIvId == (MAX_NUM_INVERTERS + 1))
mDiscovery.running = false;
}
const char *getFieldDeviceClass(uint8_t fieldId) {
uint8_t pos = 0;
for (; pos < DEVICE_CLS_ASSIGN_LIST_LEN; pos++) {
if (deviceFieldAssignment[pos].fieldId == fieldId)
break;
}
return (pos >= DEVICE_CLS_ASSIGN_LIST_LEN) ? NULL : deviceClasses[deviceFieldAssignment[pos].deviceClsId];
}
const char *getFieldStateClass(uint8_t fieldId) {
uint8_t pos = 0;
for (; pos < DEVICE_CLS_ASSIGN_LIST_LEN; pos++) {
if (deviceFieldAssignment[pos].fieldId == fieldId)
break;
}
return (pos >= DEVICE_CLS_ASSIGN_LIST_LEN) ? NULL : stateClasses[deviceFieldAssignment[pos].stateClsId];
}
bool processIvStatus() {
// returns true if any inverter is available
bool allAvail = true; // shows if all enabled inverters are available
bool anyAvail = false; // shows if at least one enabled inverter is available
bool changed = false;
Inverter<> *iv;
record_t<> *rec;
for (uint8_t id = 0; id < mSys->getNumInverters(); id++) {
iv = mSys->getInverterByPos(id);
if (NULL == iv)
continue; // skip to next inverter
if (!iv->config->enabled)
continue; // skip to next inverter
rec = iv->getRecordStruct(RealTimeRunData_Debug);
// inverter status
uint8_t status = MQTT_STATUS_NOT_AVAIL_NOT_PROD;
if (iv->isAvailable(*mUtcTimestamp)) {
anyAvail = true;
status = (iv->isProducing(*mUtcTimestamp)) ? MQTT_STATUS_AVAIL_PROD : MQTT_STATUS_AVAIL_NOT_PROD;
}
else // inverter is enabled but not available
allAvail = false;
if(mLastIvState[id] != status) {
// if status changed from producing to not producing send last data immediately
if (MQTT_STATUS_AVAIL_PROD == mLastIvState[id])
sendData(iv, RealTimeRunData_Debug);
mLastIvState[id] = status;
changed = true;
snprintf(mSubTopic, 32 + MAX_NAME_LENGTH, "%s/available", iv->config->name);
snprintf(mVal, 40, "%d", status);
publish(mSubTopic, mVal, true);
snprintf(mSubTopic, 32 + MAX_NAME_LENGTH, "%s/last_success", iv->config->name);
snprintf(mVal, 40, "%d", iv->getLastTs(rec));
publish(mSubTopic, mVal, true);
}
}
if(changed) {
snprintf(mVal, 32, "%d", ((allAvail) ? MQTT_STATUS_ONLINE : ((anyAvail) ? MQTT_STATUS_PARTIAL : MQTT_STATUS_OFFLINE)));
publish("status", mVal, true);
}
return anyAvail;
}
void sendAlarmData() {
if(mAlarmList.empty())
return;
Inverter<> *iv = mSys->getInverterByPos(0, false);
while(!mAlarmList.empty()) {
alarm_t alarm = mAlarmList.front();
publish(subtopics[MQTT_ALARM], iv->getAlarmStr(alarm.code).c_str());
publish(subtopics[MQTT_ALARM_START], String(alarm.start).c_str());
publish(subtopics[MQTT_ALARM_END], String(alarm.end).c_str());
mAlarmList.pop();
}
}
void sendData(Inverter<> *iv, uint8_t curInfoCmd) {
record_t<> *rec = iv->getRecordStruct(curInfoCmd);
uint32_t lastTs = iv->getLastTs(rec);
bool pubData = (lastTs > 0);
if (curInfoCmd == RealTimeRunData_Debug)
pubData &= (lastTs != mIvLastRTRpub[iv->id]);
if (pubData) {
mIvLastRTRpub[iv->id] = lastTs;
for (uint8_t i = 0; i < rec->length; i++) {
bool retained = false;
if (curInfoCmd == RealTimeRunData_Debug) {
switch (rec->assign[i].fieldId) {
case FLD_YT:
case FLD_YD:
if ((rec->assign[i].ch == CH0) && (!iv->isProducing(*mUtcTimestamp))) // avoids returns to 0 on restart
continue;
retained = true;
break;
}
}
snprintf(mSubTopic, 32 + MAX_NAME_LENGTH, "%s/ch%d/%s", iv->config->name, rec->assign[i].ch, fields[rec->assign[i].fieldId]);
snprintf(mVal, 40, "%g", ah::round3(iv->getValue(i, rec)));
publish(mSubTopic, mVal, retained);
yield();
}
}
}
void sendIvDataStart() {
mSendIvData.RTRDataHasBeenSent = false;
memset(mSendIvData.total, 0, sizeof(float) * 4);
for (uint8_t id = 0; id < mSys->getNumInverters(); id++) {
Inverter<> *iv = mSys->getInverterByPos(id);
if (NULL != iv) {
if (iv->config->enabled) {
mSendIvData.lastIvId = id;
mSendIvData.running = true;
mSendIvData.lastIvReached = false;
mSendIvData.sendTotals = false;
break;
}
}
}
}
void sendIvDataLoop(void) {
bool anyAvail = processIvStatus();
if (mLastAnyAvail != anyAvail)
mSendList.push(RealTimeRunData_Debug); // makes sure that total values are calculated
if(mSendList.empty()) {
mSendIvData.running = false;
return;
}
//while(!mSendList.empty()) {
uint8_t curInfoCmd = mSendList.front();
if ((curInfoCmd != RealTimeRunData_Debug) || !mSendIvData.RTRDataHasBeenSent) { // send RTR Data only once
mSendIvData.sendTotals = (curInfoCmd == RealTimeRunData_Debug);
if(!mSendIvData.lastIvReached) {
Inverter<> *iv = mSys->getInverterByPos(mSendIvData.lastIvId);
// send RTR Data only if status is available
if ((curInfoCmd != RealTimeRunData_Debug) || (MQTT_STATUS_NOT_AVAIL_NOT_PROD != mLastIvState[mSendIvData.lastIvId]))
sendData(iv, curInfoCmd);
// calculate total values for RealTimeRunData_Debug
if (mSendIvData.sendTotals) {
record_t<> *rec = iv->getRecordStruct(curInfoCmd);
mSendIvData.sendTotals &= (iv->getLastTs(rec) > 0);
if (mSendIvData.sendTotals) {
for (uint8_t i = 0; i < rec->length; i++) {
if (CH0 == rec->assign[i].ch) {
switch (rec->assign[i].fieldId) {
case FLD_PAC:
mSendIvData.total[0] += iv->getValue(i, rec);
break;
case FLD_YT:
mSendIvData.total[1] += iv->getValue(i, rec);
break;
case FLD_YD:
mSendIvData.total[2] += iv->getValue(i, rec);
break;
case FLD_PDC:
mSendIvData.total[3] += iv->getValue(i, rec);
break;
}
}
}
}
}
yield();
// get next inverter
for (uint8_t id = mSendIvData.lastIvId; id < mSys->getNumInverters(); id++) {
Inverter<> *iv = mSys->getInverterByPos(id);
if (NULL != iv) {
if (iv->config->enabled) {
mSendIvData.lastIvId = id;
return;
}
}
}
mSendIvData.lastIvReached = true;
}
if (mSendIvData.sendTotals) {
uint8_t fieldId;
for (uint8_t i = 0; i < 4; i++) {
bool retained = true;
switch (i) {
default:
case 0:
fieldId = FLD_PAC;
retained = false;
break;
case 1:
fieldId = FLD_YT;
break;
case 2:
fieldId = FLD_YD;
break;
case 3:
fieldId = FLD_PDC;
retained = false;
break;
}
snprintf(mSubTopic, 32 + MAX_NAME_LENGTH, "total/%s", fields[fieldId]);
snprintf(mVal, 40, "%g", ah::round3(mSendIvData.total[i]));
publish(mSubTopic, mVal, retained);
}
mSendIvData.RTRDataHasBeenSent = true;
yield();
}
}
mSendList.pop(); // remove from list once all inverters were processed
//} // end while
mLastAnyAvail = anyAvail;
}
typedef struct {
bool running;
uint8_t lastIvId;
bool lastIvReached;
bool sendTotals;
float total[4];
bool RTRDataHasBeenSent;
} publish_t;
typedef struct {
bool running;
uint8_t lastIvId;
uint8_t sub;
uint8_t foundIvCnt;
} discovery_t;
espMqttClient mClient;
cfgMqtt_t *mCfgMqtt;
#if defined(ESP8266)
WiFiEventHandler mHWifiCon, mHWifiDiscon;
#endif
HMSYSTEM *mSys;
uint32_t *mUtcTimestamp;
uint32_t mRxCnt, mTxCnt;
std::queue<uint8_t> mSendList;
std::queue<alarm_t> mAlarmList;
subscriptionCb mSubscriptionCb;
bool mLastAnyAvail;
uint8_t mLastIvState[MAX_NUM_INVERTERS];
uint32_t mIvLastRTRpub[MAX_NUM_INVERTERS];
uint16_t mIntervalTimeout;
// last will topic and payload must be available trough lifetime of 'espMqttClient'
char mLwtTopic[MQTT_TOPIC_LEN+5];
const char *mDevName, *mVersion;
char mClientId[24]; // number of chars is limited to 23 up to v3.1 of MQTT
// global buffer for mqtt topic. Used when publishing mqtt messages.
char mTopic[MQTT_TOPIC_LEN + 32 + MAX_NAME_LENGTH + 1];
char mSubTopic[32 + MAX_NAME_LENGTH + 1];
char mVal[40];
discovery_t mDiscovery;
publish_t mSendIvData;
};
#endif /*__PUB_MQTT_H__*/