void ble_conn_state_on_ble_evt(ble_evt_t * p_ble_evt)
{
bool is_central = false;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_CONNECTED:
record_purge_disconnected();
if ( !record_activate(p_ble_evt->evt.gap_evt.conn_handle) )
{
// No more records available. Should not happen.
APP_ERROR_HANDLER(NRF_ERROR_NO_MEM);
}
else
{
#if defined(S110)
bool is_central = false;
#elif defined(S120)
bool is_central = true;
#elif defined(S130) || defined(S132) || defined(S332)
bool is_central =
(p_ble_evt->evt.gap_evt.params.connected.role == BLE_GAP_ROLE_CENTRAL);
#else
/* BLE SoftDevice missing. */
#endif
sdk_mapped_flags_update_by_key(m_bcs.valid_conn_handles,
&m_bcs.flags.central_flags,
p_ble_evt->evt.gap_evt.conn_handle,
is_central);
}
break;
case BLE_GAP_EVT_DISCONNECTED:
record_set_disconnected(p_ble_evt->evt.gap_evt.conn_handle);
break;
case BLE_GAP_EVT_CONN_SEC_UPDATE:
sdk_mapped_flags_update_by_key(
m_bcs.valid_conn_handles,
&m_bcs.flags.encrypted_flags,
p_ble_evt->evt.gap_evt.conn_handle,
(p_ble_evt->evt.gap_evt.params.conn_sec_update.conn_sec.sec_mode.lv > 1));
sdk_mapped_flags_update_by_key(
m_bcs.valid_conn_handles,
&m_bcs.flags.mitm_protected_flags,
p_ble_evt->evt.gap_evt.conn_handle,
(p_ble_evt->evt.gap_evt.params.conn_sec_update.conn_sec.sec_mode.lv > 2));
break;
}
}
/**@brief Function for marking a connection as disconnected. See @ref BLE_CONN_STATUS_DISCONNECTED.
*
* @param p_record The record of the connection to set as disconnected.
*/
static void record_set_disconnected(uint16_t conn_handle)
{
sdk_mapped_flags_update_by_key(m_bcs.valid_conn_handles,
&m_bcs.flags.connected_flags,
conn_handle,
0);
}
void ble_conn_state_user_flag_set(uint16_t conn_handle,
ble_conn_state_user_flag_id_t flag_id,
bool value)
{
if (user_flag_is_acquired(flag_id))
{
sdk_mapped_flags_update_by_key(m_bcs.valid_conn_handles,
&m_bcs.flags.user_flags[flag_id],
conn_handle,
value);
}
}
/**@brief Function for activating a connection record.
*
* @param p_record The record to activate.
* @param conn_handle The connection handle to copy into the record.
* @param role The role of the connection.
*
* @return whether the record was activated successfully.
*/
static bool record_activate(uint16_t conn_handle)
{
uint16_t available_index = sdk_mapped_flags_first_key_index_get(~m_bcs.flags.valid_flags);
if (available_index != SDK_MAPPED_FLAGS_INVALID_INDEX)
{
m_bcs.valid_conn_handles[available_index] = conn_handle;
sdk_mapped_flags_update_by_key(m_bcs.valid_conn_handles,
&m_bcs.flags.connected_flags,
conn_handle,
1);
sdk_mapped_flags_update_by_key(m_bcs.valid_conn_handles,
&m_bcs.flags.valid_flags,
conn_handle,
1);
return true;
}
return false;
}
