only send heartbeat after MQTT connect

src/MyESP.cpp

@@ -452,7 +452,7 @@ void MyESP::_mqttOnConnect() {
     mqttPublish(MQTT_TOPIC_START, MQTT_TOPIC_START_PAYLOAD, false);
 
     // send heartbeat if enabled
-    _heartbeatCheck();
+    _heartbeatCheck(true);
 
     // call custom function to handle mqtt receives
     (_mqtt_callback_f)(MQTT_CONNECT_EVENT, nullptr, nullptr);
@@ -1455,11 +1455,6 @@ void MyESP::_heartbeatCheck(bool force) {
     if ((millis() - last_heartbeat > MYESP_HEARTBEAT_INTERVAL) || force) {
         last_heartbeat = millis();
 
-        // print to log if force is set, so at bootup
-        if (force) {
-            _printHeap("[SYSTEM]");
-        }
-
 #ifdef MYESP_DEBUG
         _printHeap("[HEARTBEAT] ");
 #endif
@@ -1467,6 +1462,11 @@ void MyESP::_heartbeatCheck(bool force) {
             return;
         }
 
+        // print to log if force is set
+        if (force) {
+            _printHeap("[SYSTEM]");
+        }
+
         uint32_t total_memory  = _getInitialFreeHeap();
         uint32_t free_memory   = ESP.getFreeHeap();
         uint8_t  mem_available = 100 * free_memory / total_memory; // as a %
@@ -2870,7 +2870,6 @@ void MyESP::begin(const char * app_hostname, const char * app_name, const char *
     _webserver_setup();    // init web server
 
     _setSystemCheck(false); // reset system check
-    _heartbeatCheck(true);  // force heartbeat, will send out message to log too
 
     _setSystemDropoutCounter(0); // reset # TCP dropouts
 

src/MyESP.h

@@ -9,7 +9,7 @@
 #ifndef MyESP_h
 #define MyESP_h
 
-#define MYESP_VERSION "1.2.23"
+#define MYESP_VERSION "1.2.24"
 
 #include <ArduinoJson.h>
 #include <ArduinoOTA.h>