From 755f5087ef5f352109d14d5a6445aeaa39560131 Mon Sep 17 00:00:00 2001
From: skarg <skarg@1e814d3a-8a88-4260-be86-c0dc25669c1e>
Date: Wed, 5 Dec 2018 23:58:23 +0000
Subject: [PATCH] Merged revision(s) 3160 from
 branches/releases/bacnet-stack-0-8-0: Added BACDL_NONE for testing without a
 physical datalink. ........

---
 bacnet-stack/include/config.h   |  2 +-
 bacnet-stack/include/datalink.h |  3 +-
 bacnet-stack/src/datalink.c     | 54 ++++++++++++++++++++++++++++++---
 3 files changed, 51 insertions(+), 8 deletions(-)

diff --git a/bacnet-stack/include/config.h b/bacnet-stack/include/config.h
index a687aa6d..d8e38d76 100644
--- a/bacnet-stack/include/config.h
+++ b/bacnet-stack/include/config.h
@@ -32,7 +32,7 @@
    see datalink.h for possible defines. */
 #if !(defined(BACDL_ETHERNET) || defined(BACDL_ARCNET) || \
     defined(BACDL_MSTP) || defined(BACDL_BIP) || defined(BACDL_BIP6) || \
-    defined(BACDL_TEST) || defined(BACDL_ALL))
+    defined(BACDL_TEST) || defined(BACDL_ALL) || defined(BACDL_NONE))
 #define BACDL_BIP
 #endif
 
diff --git a/bacnet-stack/include/datalink.h b/bacnet-stack/include/datalink.h
index 54f084b6..7d790f1a 100644
--- a/bacnet-stack/include/datalink.h
+++ b/bacnet-stack/include/datalink.h
@@ -89,8 +89,7 @@ extern void routed_get_my_address(
 #define datalink_get_broadcast_address bip6_get_broadcast_address
 #define datalink_get_my_address bip6_get_my_address
 
-
-#else /* Ie, BACDL_ALL */
+#elif defined(BACDL_ALL) || defined(BACDL_NONE)
 #include "npdu.h"
 
 #define MAX_HEADER (8)
diff --git a/bacnet-stack/src/datalink.c b/bacnet-stack/src/datalink.c
index 365f46b1..0f6b889b 100644
--- a/bacnet-stack/src/datalink.c
+++ b/bacnet-stack/src/datalink.c
@@ -31,17 +31,16 @@
  License.
  -------------------------------------------
 ####COPYRIGHTEND####*/
+/** @file datalink.c  Optional run-time assignment of datalink transport */
+#include "datalink.h"
+
+#if defined(BACDL_ALL) || defined FOR_DOXYGEN
 #include "ethernet.h"
 #include "bip.h"
 #include "bvlc.h"
 #include "arcnet.h"
 #include "dlmstp.h"
-#include "datalink.h"
 #include <string.h>
-
-/** @file datalink.c  Optional run-time assignment of datalink transport */
-
-#if defined(BACDL_ALL) || defined FOR_DOXYGEN
 /* Function pointers - point to your datalink */
 
 /** Function template to Initialize the DataLink services at the given interface.
@@ -131,3 +130,48 @@ void datalink_set(
     }
 }
 #endif
+
+#if defined(BACDL_NONE)
+int datalink_send_pdu(
+    BACNET_ADDRESS * dest,
+    BACNET_NPDU_DATA * npdu_data,
+    uint8_t * pdu,
+    unsigned pdu_len)
+{
+    return 0;
+}
+
+uint16_t datalink_receive(
+    BACNET_ADDRESS * src,
+    uint8_t * pdu,
+    uint16_t max_pdu,
+    unsigned timeout)
+{
+    return 0;
+}
+
+void datalink_cleanup(
+    void)
+{
+}
+
+void datalink_get_broadcast_address(
+    BACNET_ADDRESS * dest)
+{
+}
+
+void datalink_get_my_address(
+    BACNET_ADDRESS * my_address)
+{
+}
+
+void datalink_set_interface(
+    char *ifname)
+{
+}
+
+void datalink_set(
+    char *datalink_string)
+{
+}
+#endif