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Enhanced the WriteProperty service demo to allow multiple tagged data elements and to allow context data.

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This commit is contained in:
skarg
2007-02-20 20:56:08 +00:00
parent 2fed6fcf3b
commit b3d15b1f37
10 changed files with 760 additions and 472 deletions
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bacnet-stack/bacdcode.c
+38 -7
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@@ -734,14 +734,11 @@ int encode_tagged_boolean(uint8_t * apdu, bool boolean_value)
int encode_context_boolean(uint8_t * apdu, int tag_number,
bool boolean_value)
{
int len = 1; /* return value */
int len = 0; /* return value */
apdu[1] = boolean_value ? 1 : 0;
/* we only reserved 1 byte for encoding the tag - check the limits */
if (tag_number <= 14)
len += encode_tag(&apdu[0], (uint8_t) tag_number, true, 1);
else
len = 0;
len = encode_tag(&apdu[0], (uint8_t) tag_number, true, 1);
apdu[len] = boolean_value ? 1 : 0;
len++;
return len;
}
@@ -777,6 +774,11 @@ int encode_tagged_null(uint8_t * apdu)
return encode_tag(&apdu[0], BACNET_APPLICATION_TAG_NULL, false, 0);
}
int encode_context_null(uint8_t * apdu, int tag_number)
{
return encode_tag(&apdu[0], tag_number, true, 0);
}
static uint8_t byte_reverse_bits(uint8_t in_byte)
{
uint8_t out_byte = 0;
@@ -872,6 +874,20 @@ int encode_tagged_bitstring(uint8_t * apdu, BACNET_BIT_STRING * bit_string)
return len;
}
int encode_context_bitstring(uint8_t * apdu, int tag_number,
BACNET_BIT_STRING * bit_string)
{
int len = 0;
int bit_string_encoded_length = 1; /* 1 for the bits remaining octet */
/* bit string may use more than 1 octet for the tag, so find out how many */
bit_string_encoded_length += bitstring_bytes_used(bit_string);
len = encode_tag(&apdu[0], tag_number, true, bit_string_encoded_length);
len += encode_bitstring(&apdu[len], bit_string);
return len;
}
/* from clause 20.2.6 Encoding of a Real Number Value */
/* returns the number of apdu bytes consumed */
int decode_real(uint8_t * apdu, float *real_value)
@@ -1429,7 +1445,22 @@ int encode_tagged_time(uint8_t * apdu, BACNET_TIME * btime)
len += encode_tag(&apdu[0], BACNET_APPLICATION_TAG_TIME, false, len);
return len;
}
int encode_context_time(uint8_t * apdu, int tag_number,
BACNET_TIME * btime)
{
int len = 0; /* return value */
/* assumes that the tag only consumes 1 octet */
len = encode_bacnet_time(&apdu[1], btime);
/* we only reserved 1 byte for encoding the tag - check the limits */
if ((tag_number <= 14) && (len <= 4))
len += encode_tag(&apdu[0], (uint8_t) tag_number, true, len);
else
len = 0;
return len;
}
/* from clause 20.2.13 Encoding of a Time Value */