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use MQTT start topic to show version & IP & boottime - #342

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Paul
2020-03-07 12:33:27 +01:00
parent 1385af3d54
commit b8fb03a5ff
3 changed files with 18 additions and 13 deletions
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26
src/MyESP.cpp
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@@ -597,15 +597,8 @@ void MyESP::_mqttOnConnect() {
_mqtt_reconnect_delay = MQTT_RECONNECT_DELAY_MIN;
_mqtt_last_connection = millis();
// say we're alive to the Last Will topic
// send online appended with the version information as JSON
const size_t capacity = JSON_OBJECT_SIZE(3);
StaticJsonDocument<capacity> doc;
JsonObject payload = doc.to<JsonObject>();
payload["status"] = _mqtt_will_online_payload;
payload["version"] = _app_version;
payload["IP"] = WiFi.localIP().toString();
mqttPublish(_mqtt_will_topic, doc, true); // force retain on
// say we're alive to the Last Will topic, with retain on
mqttPublish(_mqtt_will_topic, _mqtt_will_online_payload, true);
// subscribe to general subs
mqttSubscribe(MQTT_TOPIC_RESTART);
@@ -613,7 +606,20 @@ void MyESP::_mqttOnConnect() {
// subscribe to a start message and send the first publish
// forcing retain to off since we only want to send this once
mqttSubscribe(MQTT_TOPIC_START);
mqttPublish(MQTT_TOPIC_START, MQTT_TOPIC_START_PAYLOAD, false);
// send online appended with the version information as JSON
StaticJsonDocument<MYESP_JSON_MAXSIZE_SMALL> doc;
JsonObject payload = doc.to<JsonObject>();
payload["version"] = _app_version;
payload["IP"] = WiFi.localIP().toString();
// add time if we know it
if ((_ntp_enabled) && (NTP.tcr->abbrev != nullptr)) {
uint32_t real_time = getSystemTime();
char s[30];
snprintf_P(s, 30, PSTR("%02d:%02d:%02d %s"), to_hour(real_time), to_minute(real_time), to_second(real_time), NTP.tcr->abbrev);
payload["boottime"] = s;
}
mqttPublish(MQTT_TOPIC_START, doc, false);
// send heartbeat if enabled
heartbeatCheck(true);

3
src/MyESP.h
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@@ -9,7 +9,7 @@
#ifndef MyESP_h
#define MyESP_h
#define MYESP_VERSION "1.2.34"
#define MYESP_VERSION "1.2.35"
#include <ArduinoJson.h>
#include <ArduinoOTA.h>
@@ -86,7 +86,6 @@ extern struct rst_info resetInfo;
#define MQTT_RECONNECT_DELAY_MAX 120000 // Set reconnect time to 2 minutes at most
#define MQTT_TOPIC_START "start"
#define MQTT_TOPIC_HEARTBEAT "heartbeat"
#define MQTT_TOPIC_START_PAYLOAD "start"
#define MQTT_TOPIC_RESTART "restart"
#define MQTT_WILL_ONLINE_PAYLOAD "online" // for last will & testament payload
#define MQTT_WILL_OFFLINE_PAYLOAD "offline" // for last will & testament payload

2
src/version.h
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@@ -1 +1 @@
#define APP_VERSION "1.9.5b50"
#define APP_VERSION "1.9.5b51"