static void conn_params_timer_handler(void *privData)
{
OS_ERR_TYPE os_err;
struct bt_conn_info info = { 0 };
const struct bt_le_conn_param conn_params = {
MIN_CONN_INTERVAL, MAX_CONN_INTERVAL, SLAVE_LATENCY,
CONN_SUP_TIMEOUT
};
bt_conn_get_info(_ble_app_cb.conn_periph, &info);
/* Check if there was an update in the connection parameters */
if (info.role != BT_CONN_ROLE_MASTER &&
(_ble_app_cb.conn_values.latency != SLAVE_LATENCY ||
_ble_app_cb.conn_values.supervision_to != CONN_SUP_TIMEOUT ||
_ble_app_cb.conn_values.interval < MIN_CONN_INTERVAL ||
_ble_app_cb.conn_values.interval > MAX_CONN_INTERVAL)) {
/* Start the 30 seconds timer to retry updating the connection */
timer_start(_ble_app_cb.conn_timer, 30000, &os_err);
/* Send request to update the connection */
bt_conn_le_param_update(_ble_app_cb.conn_periph, &conn_params);
} else
ble_app_delete_conn_timer();
}
static void ipsp_connected(struct bt_l2cap_chan *chan)
{
struct bt_context *ctxt = CHAN_CTXT(chan);
struct bt_conn_info info;
#if defined(CONFIG_NET_DEBUG_L2_BLUETOOTH)
char src[BT_ADDR_LE_STR_LEN];
char dst[BT_ADDR_LE_STR_LEN];
#endif
bt_conn_get_info(chan->conn, &info);
#if defined(CONFIG_NET_DEBUG_L2_BLUETOOTH)
bt_addr_le_to_str(info.le.src, src, sizeof(src));
bt_addr_le_to_str(info.le.dst, dst, sizeof(dst));
NET_DBG("Channel %p Source %s connected to Destination %s", chan,
src, dst);
#endif
/* Swap bytes since net APIs expect big endian address */
sys_memcpy_swap(ctxt->src.val, info.le.src->a.val, sizeof(ctxt->src));
sys_memcpy_swap(ctxt->dst.val, info.le.dst->a.val, sizeof(ctxt->dst));
net_if_set_link_addr(ctxt->iface, ctxt->src.val, sizeof(ctxt->src.val));
/* Set iface up */
net_if_up(ctxt->iface);
}
static void on_connected(struct bt_conn *conn, uint8_t err)
{
struct bt_conn_info info = { 0 };
bt_conn_get_info(conn, &info);
if (!err) {
if (info.role == BT_CONN_ROLE_SLAVE) {
bt_conn_ref(conn);
_ble_app_cb.conn_periph = conn;
/* stop adv timer */
ble_app_stop_advertisement();
_ble_app_cb.conn_values.interval = info.le.interval;
_ble_app_cb.conn_values.latency = info.le.latency;
_ble_app_cb.conn_values.supervision_to =
info.le.timeout;
/* If peripheral and connection values are not compliant with the PPCP */
/* Start a timer to configure the parameters */
_ble_app_cb.conn_timer = timer_create(
conn_params_timer_handler,
NULL, 5000, false,
true, NULL);
}
#if !defined(BLE_APP_DEBUG)
pr_info(LOG_MODULE_MAIN, "BLE connected (conn: %p, role: %d)",
conn,
info.role);
#else
pr_info(
LOG_MODULE_MAIN,
"BLE connected (conn: %p, role: %d) to "
"%02x:%02x:%02x:%02x:%02x:%02x/%d", conn, info.role,
info.le.src->val[5], info.le.src->val[4],
info.le.src->val[3], info.le.src->val[2],
info.le.src->val[1], info.le.src->val[0],
info.type);
#endif
#ifdef CONFIG_SYSTEM_EVENTS
system_event_push_ble_conn(true,
(uint8_t *)&info.le.src->val[0]);
#endif
} else {
pr_info(LOG_MODULE_MAIN, "BLE connection KO(conn: %p)", conn);
}
}
static void ipsp_connected(struct bt_l2cap_chan *chan)
{
struct bt_context *ctxt = CHAN_CTXT(chan);
struct bt_conn_info info;
struct net_linkaddr ll;
struct in6_addr in6;
#if defined(CONFIG_NET_DEBUG_L2_BLUETOOTH)
char src[BT_ADDR_LE_STR_LEN];
char dst[BT_ADDR_LE_STR_LEN];
#endif
bt_conn_get_info(chan->conn, &info);
#if defined(CONFIG_NET_DEBUG_L2_BLUETOOTH)
bt_addr_le_to_str(info.le.src, src, sizeof(src));
bt_addr_le_to_str(info.le.dst, dst, sizeof(dst));
NET_DBG("Channel %p Source %s connected to Destination %s", chan,
src, dst);
#endif
/* Swap bytes since net APIs expect big endian address */
sys_memcpy_swap(ctxt->src.val, info.le.src->a.val, sizeof(ctxt->src));
sys_memcpy_swap(ctxt->dst.val, info.le.dst->a.val, sizeof(ctxt->dst));
net_if_set_link_addr(ctxt->iface, ctxt->src.val, sizeof(ctxt->src.val),
NET_LINK_BLUETOOTH);
ll.addr = ctxt->dst.val;
ll.len = sizeof(ctxt->dst.val);
/* Add remote link-local address to the nbr cache to avoid sending ns:
* https://tools.ietf.org/html/rfc7668#section-3.2.3
* A Bluetooth LE 6LN MUST NOT register its link-local address.
*/
net_ipv6_addr_create_iid(&in6, &ll);
net_ipv6_nbr_add(ctxt->iface, &in6, &ll, false,
NET_IPV6_NBR_STATE_REACHABLE);
/* Set iface up */
net_if_up(ctxt->iface);
}
static void conn_addr_str(struct bt_conn *conn, char *addr, size_t len)
{
struct bt_conn_info info;
if (bt_conn_get_info(conn, &info) < 0) {
addr[0] = '\0';
return;
}
switch (info.type) {
#if defined(CONFIG_BLUETOOTH_BREDR)
case BT_CONN_TYPE_BR:
bt_addr_to_str(info.br.dst, addr, len);
break;
#endif
case BT_CONN_TYPE_LE:
bt_addr_le_to_str(info.le.dst, addr, len);
break;
}
}
static const char *current_prompt(void)
{
static char str[BT_ADDR_LE_STR_LEN + 2];
static struct bt_conn_info info;
if (!default_conn) {
return NULL;
}
if (bt_conn_get_info(default_conn, &info) < 0) {
return NULL;
}
if (info.type != BT_CONN_TYPE_LE) {
return NULL;
}
bt_addr_le_to_str(info.le.dst, str, sizeof(str) - 2);
strcat(str, "> ");
return str;
}
static void on_disconnected(struct bt_conn *conn, uint8_t reason)
{
struct bt_conn_info info;
bt_conn_get_info(conn, &info);
if (info.role == BT_CONN_ROLE_SLAVE) {
_ble_app_cb.conn_periph = NULL;
bt_conn_unref(conn);
ble_app_stop_advertisement();
ble_app_start_advertisement(BLE_ADV_DISCONNECT);
}
#ifdef CONFIG_SYSTEM_EVENTS
system_event_push_ble_conn(false, NULL);
#endif
pr_info(LOG_MODULE_MAIN, "BLE disconnected(conn: %p, hci_reason: 0x%x)",
conn, reason);
ble_app_delete_conn_timer();
}