When the heartbeatInterval sent by the platform = 0, the local heartbeatInterval is used.

Author: WangLibo

src/chargepoint/status/StatusManager.cpp

@@ -434,7 +434,15 @@ void StatusManager::bootNotificationProcess()
 
                 // Configure hearbeat
                 std::chrono::seconds interval(boot_conf.interval);
-                m_ocpp_config.heartbeatInterval(interval);
+                if(boot_conf.interval == 0)
+                {
+                    interval = m_ocpp_config.heartbeatInterval();
+                }
+                else
+                {
+                    m_ocpp_config.heartbeatInterval(interval);
+                }
+                
                 m_heartbeat_timer.start(std::chrono::milliseconds(interval));
             }
             else
@@ -551,7 +559,15 @@ void StatusManager::sendBootNotification()
 
         // Restart hearbeat timer
         std::chrono::seconds interval(boot_conf.interval);
-        m_ocpp_config.heartbeatInterval(interval);
+        if(boot_conf.interval == 0)
+        {
+            interval = m_ocpp_config.heartbeatInterval();
+        }
+        else
+        {
+            m_ocpp_config.heartbeatInterval(interval);
+        }
+        
         m_heartbeat_timer.restart(std::chrono::milliseconds(interval));
 
         // Save registration status