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Implemented ReadRange functionality for the device "Device Address Binding" property and modified the ReadRange test app to use this real property for its target.

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Implemented a framework for allowing the ReadRange handler determine which properties support ReadRange and which varients of ReadRange they support.
This commit is contained in:
petermcs
2009-11-10 15:37:11 +00:00
parent eb370fa972
commit b8251f314f
12 changed files with 499 additions and 147 deletions
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bacnet-stack/demo/handler/h_rr.c
+43 -20
View File
@@ -39,6 +39,16 @@
static uint8_t Temp_Buf[MAX_APDU] = { 0 };
static rr_info_function get_rr_info[MAX_BACNET_OBJECT_TYPE];
void handler_rr_object_set(
BACNET_OBJECT_TYPE object_type,
rr_info_function pFunction1)
{
if (object_type < MAX_BACNET_OBJECT_TYPE)
get_rr_info[object_type] = pFunction1;
}
/* Encodes the property APDU and returns the length,
or sets the error, and returns -1 */
int Encode_RR_payload(
@@ -48,26 +58,39 @@ int Encode_RR_payload(
BACNET_ERROR_CODE * error_code)
{
int apdu_len = -1;
rr_info_function info_fn_ptr = NULL;
rr_handler_function rr_fn_ptr = NULL;
RR_PROP_INFO PropInfo;
/* FIXME: Stub function at the moment which just returns something
* for the sake of testing things out. Need to look at existing objects
* and see how we can do this for real.
*/
pRequest->ItemCount = 6;
bitstring_init(&pRequest->ResultFlags);
bitstring_set_bit(&pRequest->ResultFlags, RESULT_FLAG_FIRST_ITEM, true);
bitstring_set_bit(&pRequest->ResultFlags, RESULT_FLAG_LAST_ITEM, true);
bitstring_set_bit(&pRequest->ResultFlags, RESULT_FLAG_MORE_ITEMS, false);
pRequest->FirstSequence = 0;
apdu_len = 0;
apdu_len += encode_application_unsigned(&apdu[apdu_len], 1);
apdu_len += encode_application_unsigned(&apdu[apdu_len], 2);
apdu_len += encode_application_unsigned(&apdu[apdu_len], 3);
apdu_len += encode_application_unsigned(&apdu[apdu_len], 4);
apdu_len += encode_application_unsigned(&apdu[apdu_len], 5);
apdu_len += encode_application_unsigned(&apdu[apdu_len], 6);
/* initialize the default return values */
*error_class = ERROR_CLASS_SERVICES;
*error_code = ERROR_CODE_OTHER;
/* handle each object type */
if (pRequest->object_type < MAX_BACNET_OBJECT_TYPE)
info_fn_ptr = get_rr_info[pRequest->object_type];
if ((info_fn_ptr != NULL) && (info_fn_ptr(pRequest->object_instance, pRequest->object_property, &PropInfo, error_class, error_code) != false)) {
/* We try and do some of the more generic error checking here to cut down on duplication of effort */
if(((PropInfo.RequestTypes & RR_ARRAY_OF_LISTS) == 0) && (pRequest->array_index != 0)) {
/* Array access attempted on a non array property */
*error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
}
else if((pRequest->RequestType != RR_READ_ALL) && ((PropInfo.RequestTypes & pRequest->RequestType) == 0)) {
/* By Time or By Sequence not supported */
*error_code = ERROR_CODE_OTHER; /* I couldn't see anything more appropriate so... */
}
else if(pRequest->Count == 0) { /* Count cannot be zero */
*error_code = ERROR_CODE_OTHER; /* I couldn't see anything more appropriate so... */
}
else if(PropInfo.Handler != NULL) {
apdu_len = PropInfo.Handler(apdu, pRequest, error_class, error_code);
}
} else {
/* Either we don't support RR for this property yet or it is not a list or array of lists */
*error_code = ERROR_CODE_PROPERTY_IS_NOT_A_LIST;
}
return apdu_len;
}
@@ -151,7 +174,7 @@ void handler_read_range(
} else {
len =
bacerror_encode_apdu(&Handler_Transmit_Buffer[pdu_len],
service_data->invoke_id, SERVICE_CONFIRMED_READ_PROPERTY,
service_data->invoke_id, SERVICE_CONFIRMED_READ_RANGE,
error_class, error_code);
#if PRINT_ENABLED
fprintf(stderr, "RR: Sending Error!\n");