skarg
130 lines
3.5 KiB
C
130 lines
3.5 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2005 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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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "config.h"
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#include "bacdef.h"
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#include "bacdcode.h"
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#include "npdu.h"
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#include "apdu.h"
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#include "device.h"
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#include "ai.h"
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#include "rp.h"
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#include "wp.h"
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#include "iam.h"
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#include "whois.h"
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#include "reject.h"
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#include "abort.h"
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#include "bacerror.h"
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#include "ethernet.h"
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#include "handlers.h"
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// buffers used for receiving
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static uint8_t Rx_Buf[MAX_MPDU] = {0};
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static void Init_Device_Parameters(void)
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{
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// configure my initial values
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Device_Set_Object_Instance_Number(111);
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Device_Set_Vendor_Name("Lithonia Lighting");
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Device_Set_Vendor_Identifier(42);
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Device_Set_Model_Name("Simple BACnet Server");
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Device_Set_Firmware_Revision("1.00");
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Device_Set_Application_Software_Version("none");
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Device_Set_Description("Example of a simple BACnet server");
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return;
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}
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static void Init_Service_Handlers(void)
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{
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// we need to handle who-is to support dynamic device binding
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apdu_set_unconfirmed_handler(
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SERVICE_UNCONFIRMED_WHO_IS,
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WhoIsHandler);
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apdu_set_unconfirmed_handler(
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SERVICE_UNCONFIRMED_I_AM,
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IAmHandler);
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// set the handler for all the services we don't implement
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// It is required to send the proper reject message...
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apdu_set_unrecognized_service_handler_handler(
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UnrecognizedServiceHandler);
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// we must implement read property - it's required!
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apdu_set_confirmed_handler(
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SERVICE_CONFIRMED_READ_PROPERTY,
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ReadPropertyHandler);
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apdu_set_confirmed_handler(
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SERVICE_CONFIRMED_WRITE_PROPERTY,
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WritePropertyHandler);
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}
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int main(int argc, char *argv[])
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{
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BACNET_ADDRESS src = {0}; // address where message came from
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uint16_t pdu_len = 0;
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unsigned timeout = 100; // milliseconds
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Init_Device_Parameters();
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Init_Service_Handlers();
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// init the physical layer
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if (!ethernet_init("eth0"))
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return 1;
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// loop forever
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for (;;)
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{
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// input
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// returns 0 bytes on timeout
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pdu_len = ethernet_receive(
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&src,
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&Rx_Buf[0],
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MAX_MPDU,
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timeout);
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// process
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if (pdu_len)
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{
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npdu_handler(
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&src,
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&Rx_Buf[0],
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pdu_len);
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}
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if (I_Am_Request)
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{
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I_Am_Request = false;
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Send_IAm();
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}
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// output
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// blink LEDs, Turn on or off outputs, etc
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}
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return 0;
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}
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