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