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Bluetooth: Add ATT Write Request skeleton

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This adds the defines for Write PDUs along with initial code to parse
them.

Change-Id: I69d2002b3e6da80037c058f42f543a0ab4765958
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2015-05-08 11:06:34 +03:00 • committed by Anas Nashif
commit 9e8c1d1326
2 changed files with 36 additions and 0 deletions
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26
net/bluetooth/att.c
View file

@ -396,6 +396,29 @@ static void att_read_group_req(struct bt_conn *conn, struct bt_buf *data)
return;
}
static void att_write_req(struct bt_conn *conn, struct bt_buf *data)
{
struct bt_att_write_req *req;
uint16_t handle;
if (data->len < sizeof(*req)) {
send_err_rsp(conn, BT_ATT_OP_WRITE_REQ, 0,
BT_ATT_ERR_INVALID_PDU);
return;
}
req = (void *)data->data;
handle = sys_le16_to_cpu(req->handle);
BT_DBG("handle %u\n", handle);
/* TODO: Generate proper response once a database is defined */
send_err_rsp(conn, BT_ATT_OP_WRITE_REQ, handle,
BT_ATT_ERR_INVALID_HANDLE);
}
void bt_att_recv(struct bt_conn *conn, struct bt_buf *buf)
{
struct bt_att_hdr *hdr = (void *)buf->data;
@ -434,6 +457,9 @@ void bt_att_recv(struct bt_conn *conn, struct bt_buf *buf)
case BT_ATT_OP_READ_GROUP_REQ:
att_read_group_req(conn, buf);
break;
case BT_ATT_OP_WRITE_REQ:
att_write_req(conn, buf);
break;
default:
BT_DBG("Unhandled ATT code %u\n", hdr->code);
send_err_rsp(conn, hdr->code, 0, BT_ATT_ERR_NOT_SUPPORTED);

10
net/bluetooth/att.h
View file

@ -213,5 +213,15 @@ struct bt_att_read_group_rsp {
struct bt_att_group_data data[0];
} PACK_STRUCT;
/* Write Request */
#define BT_ATT_OP_WRITE_REQ 0x12
struct bt_att_write_req {
uint16_t handle;
uint8_t value[0];
} PACK_STRUCT;
/* Write Response */
#define BT_ATT_OP_WRITE_RSP 0x13
void bt_att_recv(struct bt_conn *conn, struct bt_buf *buf);
struct bt_buf *bt_att_create_pdu(struct bt_conn *conn, uint8_t op, size_t len);