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Added read-property methods to encode ack without an extra buffer.

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This commit is contained in:
skarg
2008-01-04 23:06:46 +00:00
parent 72abef8e1d
commit f8adfe1f41
3 changed files with 67 additions and 11 deletions
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bacnet-stack/ports/atmega168/h_rp.c
+11 -11
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@@ -45,8 +45,6 @@
#include "bv.h"
#endif
static uint8_t Temp_Buf[MAX_APDU] = { 0 };
/* Encodes the property APDU and returns the length,
or sets the error, and returns -1 */
int Encode_Property_APDU(
@@ -97,6 +95,7 @@ void handler_read_property(
{
BACNET_READ_PROPERTY_DATA data;
int len = 0;
int ack_len = 0;
int pdu_len = 0;
BACNET_NPDU_DATA npdu_data;
bool error = false;
@@ -126,18 +125,19 @@ void handler_read_property(
} else {
/* most cases will be error */
error = true;
len =
Encode_Property_APDU(&Temp_Buf[0], data.object_type,
ack_len = rp_ack_encode_apdu_init(
&Handler_Transmit_Buffer[pdu_len],
service_data->invoke_id, &data);
/* FIXME: add buffer len as passed into function or use smart buffer */
len = Encode_Property_APDU(
&Handler_Transmit_Buffer[pdu_len + ack_len], data.object_type,
data.object_instance, data.object_property, data.array_index,
&error_class, &error_code);
if (len >= 0) {
/* encode the APDU portion of the packet */
data.application_data = &Temp_Buf[0];
data.application_data_len = len;
/* FIXME: probably need a length limitation sent with encode */
len =
rp_ack_encode_apdu(&Handler_Transmit_Buffer[pdu_len],
service_data->invoke_id, &data);
pdu_len = pdu_len + len + ack_len;
len = rp_ack_encode_apdu_object_property_end(
&Handler_Transmit_Buffer[pdu_len]);
pdu_len += len;
error = false;
}
}