made a copy

2007-10-14 01:28:04 +00:00
parent c7a530838c
commit 5d04c62dbe
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+/*####COPYRIGHTBEGIN####
+ -------------------------------------------
+ Copyright (C) 2005 Steve Karg
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to:
+ The Free Software Foundation, Inc.
+ 59 Temple Place - Suite 330
+ Boston, MA  02111-1307, USA.
+
+ As a special exception, if other files instantiate templates or
+ use macros or inline functions from this file, or you compile
+ this file and link it with other works to produce a work based
+ on this file, this file does not by itself cause the resulting
+ work to be covered by the GNU General Public License. However
+ the source code for this file must still be made available in
+ accordance with section (3) of the GNU General Public License.
+
+ This exception does not invalidate any other reasons why a work
+ based on this file might be covered by the GNU General Public
+ License.
+ -------------------------------------------
+####COPYRIGHTEND####*/
+#include <stdint.h>
+#include "bacenum.h"
+#include "bacdef.h"
+#include "npdu.h"
+#include "dcc.h"
+#include "datalink.h"
+#include "device.h"
+#include "bacdcode.h"
+#include "address.h"
+#include "iam.h"
+
+int iam_send(uint8_t * buffer)
+{
+    int len = 0;
+    int pdu_len = 0;
+    BACNET_ADDRESS dest;
+    int bytes_sent = 0;
+    BACNET_NPDU_DATA npdu_data;
+
+    /* if we are forbidden to send, don't send! */
+    if (!dcc_communication_enabled())
+        return 0;
+
+    /* I-Am is a global broadcast */
+    datalink_get_broadcast_address(&dest);
+    /* encode the NPDU portion of the packet */
+    npdu_encode_npdu_data(&npdu_data, false, MESSAGE_PRIORITY_NORMAL);
+    pdu_len = npdu_encode_pdu(&buffer[0], &dest, NULL, &npdu_data);
+    /* encode the APDU portion of the packet */
+    len = iam_encode_apdu(&buffer[pdu_len],
+        Device_Object_Instance_Number(),
+        MAX_APDU, SEGMENTATION_NONE, Device_Vendor_Identifier());
+    pdu_len += len;
+    /* send data */
+    bytes_sent = datalink_send_pdu(&dest, &npdu_data, &buffer[0], pdu_len);
+
+    return bytes_sent;
+}