[PATCH BlueZ v2 2/3] att: Add encode/decode execute write support
From: Eder Ruiz Maria <hidden>
Date: 2012-07-30 17:38:09
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add functions for encoding/decoding Execute Write Request and Response PDUs. --- attrib/att.c | 35 +++++++++++++++++++++++++++++++++++ attrib/att.h | 2 ++ 2 files changed, 37 insertions(+)
diff --git a/attrib/att.c b/attrib/att.c
index 790ec3a..20a8efa 100644
--- a/attrib/att.c
+++ b/attrib/att.c@@ -1028,3 +1028,38 @@ uint16_t dec_prep_write_resp(const uint8_t *pdu, int len, uint16_t *handle, return len; } + +uint16_t enc_exec_write_req(uint8_t flags, uint8_t *pdu, int len) +{ + const uint16_t min_len = sizeof(pdu[0]) + sizeof(flags); + + if (pdu == NULL) + return 0; + + if (len < min_len) + return 0; + + if (flags > 1) + return 0; + + pdu[0] = ATT_OP_EXEC_WRITE_REQ; + pdu[1] = flags; + + return min_len; +} + +uint16_t dec_exec_write_resp(const uint8_t *pdu, int len) +{ + const uint16_t min_len = sizeof(pdu[0]); + + if (pdu == NULL) + return 0; + + if (len < min_len) + return 0; + + if (pdu[0] != ATT_OP_EXEC_WRITE_RESP) + return 0; + + return len; +}
diff --git a/attrib/att.h b/attrib/att.h
index ec03be9..64d22ca 100644
--- a/attrib/att.h
+++ b/attrib/att.h@@ -261,3 +261,5 @@ uint16_t enc_prep_write_req(uint16_t handle, uint16_t offset, const uint8_t *value, int vlen, uint8_t *pdu, int len); uint16_t dec_prep_write_resp(const uint8_t *pdu, int len, uint16_t *handle, uint16_t *offset, uint8_t *value, int *vlen); +uint16_t enc_exec_write_req(uint8_t flags, uint8_t *pdu, int len); +uint16_t dec_exec_write_resp(const uint8_t *pdu, int len);
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1.7.9.5