added write property support

This commit is contained in:
skarg
2005-04-30 12:29:07 +00:00
parent 12f1ed718f
commit bda993e810
11 changed files with 359 additions and 55 deletions
+145 -6
View File
@@ -1,19 +1,40 @@
// This example file is not copyrighted so that you can use it as you wish.
// Written by Steve Karg - 2005 - skarg@users.sourceforge.net
// Bug fixes, feature requests, and suggestions are welcome
// This is one way to use the embedded BACnet stack under Linux
/**************************************************************************
*
* 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.
*
*********************************************************************/
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include "config.h"
#include "bacdef.h"
#include "bacdcode.h"
#include "npdu.h"
#include "apdu.h"
#include "device.h"
#include "ai.h"
#include "rp.h"
#include "wp.h"
#include "iam.h"
#include "whois.h"
#include "reject.h"
@@ -259,7 +280,7 @@ void ReadPropertyHandler(
}
break;
case OBJECT_ANALOG_INPUT:
if (object_instance < MAX_ANALOG_INPUTS)
if (Analog_Input_Valid_Instance(object_instance))
{
len = Analog_Input_Encode_Property_APDU(
&Temp_Buf[0],
@@ -330,6 +351,121 @@ void ReadPropertyHandler(
return;
}
void WritePropertyHandler(
uint8_t *service_request,
uint16_t service_len,
BACNET_ADDRESS *src,
BACNET_CONFIRMED_SERVICE_DATA *service_data)
{
BACNET_WRITE_PROPERTY_DATA wp_data;
int len = 0;
int pdu_len = 0;
BACNET_ADDRESS my_address;
bool send = false;
BACNET_ERROR_CLASS error_class;
BACNET_ERROR_CODE error_code;
// decode the service request only
len = wp_decode_service_request(
service_request,
service_len,
&wp_data);
fprintf(stderr,"Received Write-Property Request!\n");
if (len > 0)
fprintf(stderr,"type=%u instance=%u property=%u index=%d\n",
wp_data.object_type,
wp_data.object_instance,
wp_data.object_property,
wp_data.array_index);
else
fprintf(stderr,"Unable to decode Write-Property Request!\n");
// prepare a reply
ethernet_get_my_address(&my_address);
// encode the NPDU portion of the packet
pdu_len = npdu_encode_apdu(
&Tx_Buf[0],
src,
&my_address,
false, // true for confirmed messages
MESSAGE_PRIORITY_NORMAL);
// bad decoding - send an abort
if (len == -1)
{
pdu_len += abort_encode_apdu(
&Tx_Buf[pdu_len],
service_data->invoke_id,
ABORT_REASON_OTHER);
fprintf(stderr,"Sent Abort!\n");
send = true;
}
else if (service_data->segmented_message)
{
pdu_len += abort_encode_apdu(
&Tx_Buf[pdu_len],
service_data->invoke_id,
ABORT_REASON_SEGMENTATION_NOT_SUPPORTED);
fprintf(stderr,"Sent Abort!\n");
send = true;
}
else
{
switch (wp_data.object_type)
{
case OBJECT_DEVICE:
if (Device_Write_Property(&wp_data,&error_class,&error_code))
{
pdu_len = encode_simple_ack(
&Tx_Buf[pdu_len],
service_data->invoke_id,
SERVICE_CONFIRMED_WRITE_PROPERTY);
fprintf(stderr,"Sent Write Property Simple Ack!\n");
send = true;
}
else
{
pdu_len += bacerror_encode_apdu(
&Tx_Buf[pdu_len],
service_data->invoke_id,
SERVICE_CONFIRMED_WRITE_PROPERTY,
error_class,
error_code);
fprintf(stderr,"Sent Write Property Error!\n");
send = true;
}
break;
case OBJECT_ANALOG_INPUT:
pdu_len += bacerror_encode_apdu(
&Tx_Buf[pdu_len],
service_data->invoke_id,
SERVICE_CONFIRMED_WRITE_PROPERTY,
ERROR_CLASS_PROPERTY,
ERROR_CODE_WRITE_ACCESS_DENIED);
fprintf(stderr,"Sent Write Access Error!\n");
send = true;
break;
default:
pdu_len += bacerror_encode_apdu(
&Tx_Buf[pdu_len],
service_data->invoke_id,
SERVICE_CONFIRMED_WRITE_PROPERTY,
ERROR_CLASS_OBJECT,
ERROR_CODE_UNKNOWN_OBJECT);
fprintf(stderr,"Sent Unknown Object Error!\n");
send = true;
break;
}
}
if (send)
{
(void)ethernet_send_pdu(
src, // destination address
&Tx_Buf[0],
pdu_len); // number of bytes of data
}
return;
}
static void Init_Device_Parameters(void)
{
// configure my initial values
@@ -362,6 +498,9 @@ static void Init_Service_Handlers(void)
apdu_set_confirmed_handler(
SERVICE_CONFIRMED_READ_PROPERTY,
ReadPropertyHandler);
apdu_set_confirmed_handler(
SERVICE_CONFIRMED_WRITE_PROPERTY,
WritePropertyHandler);
}
int main(int argc, char *argv[])