created

2005-05-27 18:44:42 +00:00
parent f5a7f1886d
commit 8d646f323f
5 changed files with 537 additions and 0 deletions
@@ -0,0 +1,145 @@
+/**************************************************************************
+*
+* Copyright (C) 2005 Steve Karg <skarg@users.sourceforge.net>
+*
+* Permission is hereby granted, free of charge, to any person obtaining
+* a copy of this software and associated documentation files (the
+* "Software"), to deal in the Software without restriction, including
+* without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to
+* permit persons to whom the Software is furnished to do so, subject to
+* the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*
+*********************************************************************/
+
+// This is one way to use the embedded BACnet stack under Win32
+// compiled with Borland C++ 5.02
+#include <winsock2.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include "config.h"
+#include "bacdef.h"
+#include "npdu.h"
+#include "apdu.h"
+#include "device.h"
+#include "handlers.h"
+#include "bip.h"
+
+// buffer used for receive
+static uint8_t Rx_Buf[MAX_MPDU] = {0};
+
+static BYTE TargetIP[] = {192, 168,   0, 191};
+static BYTE NetMask[]  = {255, 255, 255,   0};
+
+static void Init_Device_Parameters(void)
+{
+  // configure my initial values
+  Device_Set_Object_Instance_Number(126);
+  Device_Set_Vendor_Name("Lithonia Lighting");
+  Device_Set_Vendor_Identifier(42);
+  Device_Set_Model_Name("Simple BACnet Server");
+  Device_Set_Firmware_Revision("1.00");
+  Device_Set_Application_Software_Version("none");
+  Device_Set_Description("Example of a simple BACnet server");
+
+  return;
+}
+  
+static void Init_Service_Handlers(void)
+{
+  // we need to handle who-is to support dynamic device binding
+  apdu_set_unconfirmed_handler(
+    SERVICE_UNCONFIRMED_WHO_IS,
+    WhoIsHandler);
+  // set the handler for all the services we don't implement
+  // It is required to send the proper reject message...
+  apdu_set_unrecognized_service_handler_handler(
+    UnrecognizedServiceHandler);
+  // we must implement read property - it's required!
+  apdu_set_confirmed_handler(
+    SERVICE_CONFIRMED_READ_PROPERTY,
+    ReadPropertyHandler);
+  apdu_set_confirmed_handler(
+    SERVICE_CONFIRMED_WRITE_PROPERTY,
+    WritePropertyHandler);
+}
+
+static void NetInitialize(void)
+// initialize the TCP/IP stack
+{
+  int Result;
+  int Code;
+  WSADATA wd;
+
+  Result = WSAStartup(MAKEWORD(2,2), &wd);
+
+  if (Result != 0)
+  {
+    Code = WSAGetLastError();
+    printf("TCP/IP stack initialization failed, error code: %i\n", 
+      Code);
+    exit(1);
+  }
+}
+
+int main(int argc, char *argv[])
+{
+  BACNET_ADDRESS src = {0};  // address where message came from
+  uint16_t pdu_len = 0;
+  unsigned timeout = 100; // milliseconds
+
+  (void)argc;
+  (void)argv;
+  Init_Device_Parameters();
+  Init_Service_Handlers();
+  // init the data link layer
+  NetInitialize();
+  bip_set_address(TargetIP[0], TargetIP[1], TargetIP[2], TargetIP[3]);
+  bip_set_address(NetMask[0], NetMask[1], NetMask[2], NetMask[3]);
+  if (!bip_init())
+    return 1;
+  
+  printf("BACnet stack running...\n"); 
+  // loop forever
+  for (;;)
+  {
+    // input
+
+    // returns 0 bytes on timeout
+    pdu_len = bip_receive(
+      &src,
+      &Rx_Buf[0],
+      MAX_MPDU,
+      timeout);
+
+    // process
+
+    if (pdu_len)
+    {
+      npdu_handler(
+        &src,
+        &Rx_Buf[0],
+        pdu_len);
+    }
+    if (I_Am_Request)
+    {
+      I_Am_Request = false;
+      Send_IAm();
+    }
+    // output
+
+    // blink LEDs, Turn on or off outputs, etc
+  }
+}