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Added some encoding functions for WPM. Thank you, Nikola Jelic!

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This commit is contained in:
skarg
2011-08-19 17:21:39 +00:00
parent 0fe647a678
commit 9da1ab453a
2 changed files with 100 additions and 13 deletions
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bacnet-stack/src/wpm.c
+77
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@@ -1,6 +1,7 @@
/**************************************************************************
*
* Copyright (C) 2011 Krzysztof Malorny <malornykrzysztof@gmail.com>
* Contributions by ?????? ????? 2011 <nikola.jelic@euroicc.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
@@ -134,6 +135,82 @@ int wpm_decode_object_property(
return len;
}
/* encode functions */
int wpm_encode_apdu_init (uint8_t * apdu, uint8_t invoke_id)
{
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu (0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_WRITE_PROP_MULTIPLE; /* service choice */
apdu_len = 4;
}
return apdu_len;
}
int wpm_encode_apdu_object_begin (
uint8_t * apdu,
BACNET_OBJECT_TYPE object_type,
uint32_t object_instance)
{
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu_len = encode_context_object_id (
&apdu[0], 0, object_type, object_instance);
/* Tag 1: sequence of WriteAccessSpecification */
apdu_len += encode_opening_tag (&apdu[apdu_len], 1);
}
return apdu_len;
}
int wpm_encode_apdu_object_end (uint8_t * apdu)
{
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu_len = encode_closing_tag (&apdu[0], 1);
}
return apdu_len;
}
int wpm_encode_apdu_object_property (
uint8_t * apdu,
BACNET_WRITE_PROPERTY_DATA * wpdata)
{
int apdu_len = 0; /* total length of the apdu, return value */
int len = 0;
if (apdu) {
apdu_len = encode_context_enumerated (&apdu[0], 0,
wpdata->object_property);
/* optional array index */
if (wpdata->array_index != BACNET_ARRAY_ALL) {
apdu_len +=
encode_context_unsigned (&apdu[apdu_len], 1,
wpdata->array_index);
}
apdu_len += encode_opening_tag (&apdu[apdu_len], 2);
for (len = 0; len < wpdata->application_data_len; len++) {
apdu[apdu_len] = wpdata->application_data[len];
apdu_len++;
}
apdu_len += encode_closing_tag (&apdu[apdu_len], 2);
if (wpdata->priority != BACNET_NO_PRIORITY) {
encode_context_unsigned (&apdu[apdu_len], 3,
wpdata->priority);
}
}
return apdu_len;
}
int wpm_ack_encode_apdu_init(
uint8_t * apdu,
uint8_t invoke_id)