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MQTT last will with uptime

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geronet1 2022-10-15 21:20:20 +02:00
parent 7f4417716d
commit ba91e905ce
2 changed files with 10 additions and 4 deletions
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4
tools/esp8266/app.cpp
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@ -834,8 +834,10 @@ void app::setupMqtt(void) {
if(mMqttActive) { if(mMqttActive) {
mMqtt.sendMsg("version", mVersion); mMqtt.sendMsg("version", mVersion);
if(mMqtt.isConnected()) if(mMqtt.isConnected()) {
mMqtt.sendMsg("device", mSysConfig.deviceName); mMqtt.sendMsg("device", mSysConfig.deviceName);
mMqtt.sendMsg("uptime", "0");
}
/*char topic[30]; /*char topic[30];
for(uint8_t i = 0; i < MAX_NUM_INVERTERS; i ++) { for(uint8_t i = 0; i < MAX_NUM_INVERTERS; i ++) {

8
tools/esp8266/mqtt.h
View file

@ -92,10 +92,14 @@ class mqtt {
// da ein MQTT_CONNECTION_LOST -3 die Werte zerstört hat. // da ein MQTT_CONNECTION_LOST -3 die Werte zerstört hat.
mClient->setServer(mCfg->broker, mCfg->port); mClient->setServer(mCfg->broker, mCfg->port);
mClient->setBufferSize(MQTT_MAX_PACKET_SIZE); mClient->setBufferSize(MQTT_MAX_PACKET_SIZE);
char lwt[MQTT_TOPIC_LEN + 7 ]; // "/uptime" --> + 7 byte
snprintf(lwt, MQTT_TOPIC_LEN + 7, "%s/uptime", mCfg->topic);
if((strlen(mCfg->user) > 0) && (strlen(mCfg->pwd) > 0)) if((strlen(mCfg->user) > 0) && (strlen(mCfg->pwd) > 0))
resub = mClient->connect(mDevName, mCfg->user, mCfg->pwd); resub = mClient->connect(mDevName, mCfg->user, mCfg->pwd, lwt, 0, false, "offline");
else else
resub = mClient->connect(mDevName); resub = mClient->connect(mDevName, lwt, 0, false, "offline");
// ein Subscribe ist nur nach einem connect notwendig // ein Subscribe ist nur nach einem connect notwendig
if(resub) { if(resub) {
char topic[MQTT_TOPIC_LEN + 13 ]; // "/devcontrol/#" --> + 6 byte char topic[MQTT_TOPIC_LEN + 13 ]; // "/devcontrol/#" --> + 6 byte