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Modified WriteProperty handler to handle context-specific, application, and constructed data. Fixed up all the demos to use new API.

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skarg
2007-01-18 21:22:40 +00:00
parent 69e9cf4ee1
commit c9e1382044
10 changed files with 132 additions and 75 deletions
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bacnet-stack/wp.c
+6 -12
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@@ -126,21 +126,15 @@ int wp_decode_service_request(uint8_t * apdu,
/* Tag 3: opening context tag */
if (!decode_is_opening_tag_number(&apdu[len], 3))
return -1;
/* determine the length of the data blob */
data->application_data_len = bacapp_data_len(&apdu[len],
apdu_len-len, property);
/* a tag number of 3 is not extended so only one octet */
len++;
/* determine the length of the data blob */
/* FIXME: decode the length of the context specific tag value */
if (decode_is_context_specific(&apdu[len]))
return -2;
/* FIXME: what if the length is more than 255 */
len += bacapp_decode_application_data(&apdu[len],
(uint8_t)(apdu_len - len), &data->value);
/* FIXME: check the return value; abort if no valid data? */
/* FIXME: there might be more than one data element in here! */
/* add on the data length */
len += data->application_data_len;
if (!decode_is_closing_tag_number(&apdu[len], 3))
return -4;
return -2;
/* a tag number of 3 is not extended so only one octet */
len++;
/* Tag 4: optional Priority - assumed MAX if not explicitly set */