Improved BACnet Development Kit object handling and storing to SEEPROM and EEPROM. Added device property to check C-Stack size and amount unused.

bacnet-stack/ports/bdk-atxx4-mstp/device.c

@@ -35,6 +35,7 @@
 #include "rs485.h"
 #include "version.h"
 #include "nvdata.h"
+#include "stack.h"
 /* objects */
 #include "device.h"
 #include "ai.h"
@@ -495,6 +496,12 @@ int Device_Encode_Property_APDU(
             apdu_len =
                 encode_application_unsigned(&apdu[0], dlmstp_max_master());
             break;
+        case 512:
+            apdu_len = encode_application_unsigned(&apdu[0], stack_size());
+            break;
+        case 513:
+            apdu_len = encode_application_unsigned(&apdu[0], stack_unused());
+            break;
         default:
             *error_class = ERROR_CLASS_PROPERTY;
             *error_code = ERROR_CODE_UNKNOWN_PROPERTY;