Changes to error checking to report invalid requests via proper reject codes and not the blanket abort which was in place (will need to look at other service request decoders as well...) Should address question raised by Jérémy Delhomme.

bacnet-stack/demo/handler/h_rp.c

@@ -36,6 +36,7 @@
 #include "apdu.h"
 #include "npdu.h"
 #include "abort.h"
+#include "reject.h"
 #include "rp.h"
 /* device object has custom handler for all objects */
 #include "device.h"
@@ -103,9 +104,8 @@ void handler_read_property(
 #endif
     if (len < 0) {
         /* bad decoding - send an abort */
-        apdu_len =
-            abort_encode_apdu(&Handler_Transmit_Buffer[npdu_len],
-            service_data->invoke_id, ABORT_REASON_OTHER, true);
+        apdu_len = reject_encode_apdu(&Handler_Transmit_Buffer[npdu_len],
+            service_data->invoke_id, rpdata.error_code);
 #if PRINT_ENABLED
         fprintf(stderr, "RP: Bad Encoding.  Sending Abort!\n");
 #endif