mirror of
https://github.com/stargieg/bacnet-stack
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113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2007 Steve Karg <skarg@users.sourceforge.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*********************************************************************/
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/* hardware specific */
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#include "timer.h"
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/* standard libraries */
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <stdint.h>
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/* BACnet */
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#include "rs485.h"
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#include "datalink.h"
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#include "npdu.h"
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#include "apdu.h"
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#include "dcc.h"
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#include "iam.h"
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#include "handlers.h"
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#include "device.h"
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#include "dcc.h"
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#include "iam.h"
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#include "txbuf.h"
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static unsigned long DCC_Timer = 1000;
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static void millisecond_timer(
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void)
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{
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while (Timer_Milliseconds) {
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Timer_Milliseconds--;
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if (DCC_Timer) {
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DCC_Timer--;
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}
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}
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/* note: MS/TP silence timer is updated in ISR */
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}
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static void bacnet_init(
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void)
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{
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#if defined(BACDL_MSTP)
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RS485_Set_Baud_Rate(38400);
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dlmstp_set_mac_address(57);
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dlmstp_set_max_master(127);
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dlmstp_set_max_info_frames(1);
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dlmstp_init(NULL);
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#endif
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Device_Set_Object_Instance_Number(11111);
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#ifndef DLMSTP_TEST
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/* we need to handle who-is to support dynamic device binding */
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apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS, handler_who_is);
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/* Set the handlers for any confirmed services that we support. */
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/* We must implement read property - it's required! */
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apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROPERTY,
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handler_read_property);
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apdu_set_confirmed_handler(SERVICE_CONFIRMED_REINITIALIZE_DEVICE,
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handler_reinitialize_device);
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apdu_set_confirmed_handler(SERVICE_CONFIRMED_WRITE_PROPERTY,
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handler_write_property);
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/* handle communication so we can shutup when asked */
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apdu_set_confirmed_handler(SERVICE_CONFIRMED_DEVICE_COMMUNICATION_CONTROL,
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handler_device_communication_control);
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#endif
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}
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int main(
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void)
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{
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uint16_t pdu_len = 0;
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BACNET_ADDRESS src; /* source address */
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uint8_t pdu[MAX_MPDU]; /* PDU data */
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Timer_Init();
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bacnet_init();
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/* broadcast an I-Am on startup */
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Send_I_Am(&Handler_Transmit_Buffer[0]);
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for (;;) {
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millisecond_timer();
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if (!DCC_Timer) {
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dcc_timer_seconds(1);
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DCC_Timer = 1000;
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}
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/* BACnet handling */
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pdu_len = datalink_receive(&src, &pdu[0], MAX_MPDU, 0);
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if (pdu_len) {
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#ifndef DLMSTP_TEST
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npdu_handler(&src, &pdu[0], pdu_len);
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#endif
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}
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}
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}
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