Fixed Lighting Output Relinquish values. (#1094)

* Fixed Lighting Output Relinquish values.

* Added lighting command refresh from tracking value API.

src/bacnet/basic/sys/lighting_command.c

@@ -592,6 +592,21 @@ void lighting_command_override(
     lighting_command_tracking_value_event(data, old_value, value);
 }
 
+/**
+ * @brief Refreshes the current lighting command at the tracking value
+ * @param data [in] dimmer data
+ */
+void lighting_command_refresh(struct bacnet_lighting_command_data *data)
+{
+    float value;
+
+    if (!data) {
+        return;
+    }
+    value = data->Tracking_Value;
+    lighting_command_tracking_value_event(data, value, value);
+}
+
 /**
  * @brief Updates the dimmer tracking value per ramp or fade or step
  * @param data [in] dimmer data

src/bacnet/basic/sys/lighting_command.h

@@ -136,6 +136,8 @@ BACNET_STACK_EXPORT
 float lighting_command_normalized_on_range_clamp(
     struct bacnet_lighting_command_data *data, float value);
 
+BACNET_STACK_EXPORT
+void lighting_command_refresh(struct bacnet_lighting_command_data *data);
 BACNET_STACK_EXPORT
 void lighting_command_init(struct bacnet_lighting_command_data *data);
 BACNET_STACK_EXPORT