added BACAPP_MINIMAL for defining some minimum appliacation encoding and decoding.

bacnet-stack/include/config.h

@@ -113,6 +113,7 @@
 /* BACAPP decodes WriteProperty service requests
    Choose the datatypes that your application supports */
 #if !(defined(BACAPP_ALL) || \
+    defined(BACAPP_MINIMAL) || \
     defined(BACAPP_NULL) || \
     defined(BACAPP_BOOLEAN) || \
     defined(BACAPP_UNSIGNED) || \
@@ -145,6 +146,17 @@
 #define BACAPP_TIME
 #define BACAPP_OBJECT_ID
 #define BACAPP_LIGHTING_COMMAND
+#elif defined (BACAPP_MINIMAL)
+#define BACAPP_NULL
+#define BACAPP_BOOLEAN
+#define BACAPP_UNSIGNED
+#define BACAPP_SIGNED
+#define BACAPP_REAL
+#define BACAPP_CHARACTER_STRING
+#define BACAPP_ENUMERATED
+#define BACAPP_DATE
+#define BACAPP_TIME
+#define BACAPP_OBJECT_ID
 #endif
 
 /*