Fixed load control object and unit test. Added recipe to Makefile for Zephyr OS twister unit testing. (#710)

src/bacnet/bacenum.h

@@ -1606,7 +1606,9 @@ typedef enum {
     /* BACnetActionCommand */
     BACNET_APPLICATION_TAG_ACTION_COMMAND,
     /* BACnetScale */
-    BACNET_APPLICATION_TAG_SCALE
+    BACNET_APPLICATION_TAG_SCALE,
+    /* BACnetShedLevel */
+    BACNET_APPLICATION_TAG_SHED_LEVEL
 } BACNET_APPLICATION_TAG;
 
 /* note: these are not the real values, */
@@ -2253,6 +2255,12 @@ typedef enum BACnetShedState {
     BACNET_SHED_NON_COMPLIANT = 3
 } BACNET_SHED_STATE;
 
+typedef enum BACnetShedLevelType {
+    BACNET_SHED_TYPE_PERCENT, /* Unsigned */
+    BACNET_SHED_TYPE_LEVEL, /* Unsigned */
+    BACNET_SHED_TYPE_AMOUNT /* REAL */
+} BACNET_SHED_LEVEL_TYPE;
+
 typedef enum BACnetLightingOperation {
     BACNET_LIGHTS_NONE = 0,
     BACNET_LIGHTS_FADE_TO = 1,