Add BACnet Zigbee VMAC table and unit test. (#1054)

2025-07-31 08:57:53 -05:00
parent 262ee3fb40
commit f31193998c
13 changed files with 1003 additions and 3 deletions
@@ -0,0 +1,119 @@
+/**
+ * @file
+ * @brief Initializes BACnet Zigbee Link Layer interface (Linux).
+ * @author Steve Karg <skarg@users.sourceforge.net>
+ * @date July 2025
+ * @copyright SPDX-License-Identifier: MIT
+ */
+/* BACnet specific */
+#include "bacnet/bacdef.h"
+#include "bacnet/bacaddr.h"
+#include "bacnet/bacint.h"
+#include "bacnet/datalink/bzll.h"
+#include "bacnet/basic/sys/debug.h"
+#include "bacnet/basic/object/device.h"
+
+/**
+ * @brief Initialize the datalink
+ * @param ifname - the name of the datalink
+ */
+bool bzll_init(char *ifname)
+{
+    (void)ifname;
+
+    return true;
+}
+
+/**
+ * @brief Send a protocol data unit (PDU) to the network
+ * @param dest - destination address
+ * @param npdu_data - network routing data
+ * @param pdu - protocol data unit (PDU) to send
+ * @param pdu_len - size of the protocol data unit (PDU)
+ */
+int bzll_send_pdu(
+    BACNET_ADDRESS *dest,
+    BACNET_NPDU_DATA *npdu_data,
+    uint8_t *pdu,
+    unsigned pdu_len)
+{
+    (void)dest;
+    (void)npdu_data;
+    (void)pdu;
+    (void)pdu_len;
+
+    return 0;
+}
+
+/**
+ * @brief Poll the datalink queue to see if a packet has arrived
+ * @param src - origin address of the packet
+ * @param pdu - protocol data unit (PDU) buffer to store received packet
+ * @param pdu_size - size of the protocol data unit (PDU) buffer
+ * @param timeout - number of milliseconds to wait for a packet
+ */
+uint16_t bzll_receive(
+    BACNET_ADDRESS *src, uint8_t *pdu, uint16_t pdu_size, unsigned timeout)
+{
+    (void)src;
+    (void)pdu;
+    (void)pdu_size;
+    (void)timeout;
+
+    return 0;
+}
+
+/**
+ * @brief cleanup the datalink data or connections
+ */
+void bzll_cleanup(void)
+{
+    /* nothing to do */
+}
+
+/**
+ * @brief Initialize the a data link broadcast address
+ * @param dest - address to be filled with broadcast designator
+ */
+void bzll_get_broadcast_address(BACNET_ADDRESS *dest)
+{
+    int i = 0;
+
+    if (dest) {
+        dest->mac_len = 3;
+        for (i = 0; i < MAX_MAC_LEN; i++) {
+            dest->mac[i] = 0xFF;
+        }
+        dest->net = BACNET_BROADCAST_NETWORK;
+        /* always zero when DNET is broadcast */
+        dest->len = 0;
+        for (i = 0; i < MAX_MAC_LEN; i++) {
+            dest->adr[i] = 0;
+        }
+    }
+
+    return;
+}
+
+/**
+ * @brief Set the BACnet address for my interface
+ * @param my_address - address to be filled with my interface address
+ */
+void bzll_get_my_address(BACNET_ADDRESS *my_address)
+{
+    uint32_t instance;
+
+    instance = Device_Object_Instance_Number();
+    bacnet_vmac_address_set(my_address, instance);
+
+    return;
+}
+
+/**
+ * @brief Set the maintenance timer for the datalink
+ * @param seconds - number of seconds to set the timer
+ */
+void bzll_maintenance_timer(uint16_t seconds)
+{
+    (void)seconds;
+}