added some bash script to emit various BACnet enumerations for Wireshark validation

bacnet-stack/bin/property_id.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+export BACNET_APDU_RETRIES=0
+export BACNET_APDU_TIMEOUT=0
+
+for property_id in {0..512}
+do
+   ./bin/bacrp --dnet 65535 0 8 0 ${property_id}
+done