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attrib: Add encode/decode execute write support

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Add functions for encoding/decoding Execute Write Request PDUs.
This commit is contained in:
Alvaro Silva 2013-07-19 13:34:15 -04:00 committed by Johan Hedberg
parent 38487a9915
commit 1ed64821ac
2 changed files with 33 additions and 0 deletions
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31
attrib/att.c
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@ -1126,6 +1126,37 @@ uint16_t enc_exec_write_req(uint8_t flags, uint8_t *pdu, size_t len)
return min_len;
}
uint16_t dec_exec_write_req(const uint8_t *pdu, size_t len, uint8_t *flags)
{
const uint16_t min_len = sizeof(pdu[0]) + sizeof(*flags);
if (pdu == NULL)
return 0;
if (flags == NULL)
return 0;
if (len < min_len)
return 0;
if (pdu[0] != ATT_OP_EXEC_WRITE_REQ)
return 0;
*flags = pdu[1];
return min_len;
}
uint16_t enc_exec_write_resp(uint8_t *pdu)
{
if (pdu == NULL)
return 0;
pdu[0] = ATT_OP_EXEC_WRITE_RESP;
return sizeof(pdu[0]);
}
uint16_t dec_exec_write_resp(const uint8_t *pdu, size_t len)
{
const uint16_t min_len = sizeof(pdu[0]);

2
attrib/att.h
View File

@ -281,4 +281,6 @@ uint16_t dec_prep_write_resp(const uint8_t *pdu, size_t len, uint16_t *handle,
uint16_t *offset, uint8_t *value,
size_t *vlen);
uint16_t enc_exec_write_req(uint8_t flags, uint8_t *pdu, size_t len);
uint16_t dec_exec_write_req(const uint8_t *pdu, size_t len, uint8_t *flags);
uint16_t enc_exec_write_resp(uint8_t *pdu);
uint16_t dec_exec_write_resp(const uint8_t *pdu, size_t len);