michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers/nble: Implement bt_conn_create_le()

Browse source 
Implement bt_conn_create_le() and copy bt_le_conn_params_valid() from
net/bluetooth.

Change-Id: I6b3fff5027a82b8040c0c724eac1251945415f43
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
This commit is contained in:
Andrei Emeltchenko 2016-02-15 16:57:20 +02:00 • committed by Gerrit Code Review
commit b4bf9f8b58
1 changed files with 75 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

76
drivers/nble/conn.c
View file

@ -135,10 +135,84 @@ int bt_conn_disconnect(struct bt_conn *conn, uint8_t reason)
return -ENOSYS;
}
static inline bool bt_le_conn_params_valid(uint16_t min, uint16_t max,
uint16_t latency, uint16_t timeout)
{
if (min > max || min < 6 || max > 3200) {
return false;
}
/* Limits according to BT Core spec 4.2 [Vol 2, Part E, 7.8.12] */
if (timeout < 10 || timeout > 3200 ||
(2 * timeout) < ((1 + latency) * max * 5)) {
return false;
}
/* Limits according to BT Core spec 4.2 [Vol 6, Part B, 4.5.1] */
if (latency > 499 || ((latency + 1) * max) > (timeout * 4)) {
return false;
}
return true;
}
struct bt_conn *bt_conn_create_le(const bt_addr_le_t *peer,
const struct bt_le_conn_param *param)
{
return NULL;
struct nble_gap_connect_req_params req;
struct bt_conn *conn;
if (!bt_le_conn_params_valid(param->interval_min, param->interval_max,
param->latency, param->timeout)) {
return NULL;
}
conn = bt_conn_lookup_addr_le(peer);
if (conn) {
return conn;
}
conn = conn_new();
if (!conn) {
BT_ERR("Unable to create new bt_conn object");
return NULL;
}
/* Update connection parameters */
bt_addr_le_copy(&conn->dst, peer);
conn->latency = param->latency;
conn->timeout = param->timeout;
/* Construct parameters to NBLE */
bt_addr_le_copy(&req.bda, peer);
req.conn_params.interval_min = param->interval_min;
req.conn_params.interval_max = param->interval_max;
req.conn_params.slave_latency = param->latency;
req.conn_params.link_sup_to = param->timeout;
req.scan_params.interval = BT_GAP_SCAN_FAST_INTERVAL;
req.scan_params.window = BT_GAP_SCAN_FAST_WINDOW;
/* Use passive scanning */
req.scan_params.active = 0;
/* Do not use whitelist */
req.scan_params.selective = 0;
/* Disable timeout */
req.scan_params.timeout = 0;
nble_gap_connect_req(&req, conn);
return conn;
}
void on_nble_gap_connect_rsp(const struct nble_response *rsp)
{
if (rsp->status) {
BT_ERR("Connect failed, status %d", rsp->status);
return;
}
BT_DBG("conn %p", rsp->user_data);
}
int bt_conn_security(struct bt_conn *conn, bt_security_t sec)