ble_error_t
btle_setLinkSecurity(Gap::Handle_t connectionHandle, SecurityManager::SecurityMode_t securityMode)
{
// use default and updated parameters as starting point
// and modify structure based on security mode.
ret_code_t rc;
switch (securityMode) {
case SecurityManager::SECURITY_MODE_ENCRYPTION_OPEN_LINK:
/**< Require no protection, open link. */
securityParameters.bond = false;
securityParameters.mitm = false;
securityParameters.kdist_own.enc = 0;
break;
case SecurityManager::SECURITY_MODE_ENCRYPTION_NO_MITM:
/**< Require encryption, but no MITM protection. */
securityParameters.bond = true;
securityParameters.mitm = false;
securityParameters.kdist_own.enc = 1;
break;
// not yet implemented security modes
case SecurityManager::SECURITY_MODE_NO_ACCESS:
case SecurityManager::SECURITY_MODE_ENCRYPTION_WITH_MITM:
/**< Require encryption and MITM protection. */
case SecurityManager::SECURITY_MODE_SIGNED_NO_MITM:
/**< Require signing or encryption, but no MITM protection. */
case SecurityManager::SECURITY_MODE_SIGNED_WITH_MITM:
/**< Require signing or encryption, and MITM protection. */
default:
return BLE_ERROR_NOT_IMPLEMENTED;
}
// update security settings for given connection
rc = pm_sec_params_set(&securityParameters);
if (rc == NRF_SUCCESS) {
rc = pm_conn_secure(connectionHandle, false);
}
switch (rc) {
case NRF_SUCCESS:
initialized = true;
return BLE_ERROR_NONE;
case NRF_ERROR_INVALID_STATE:
return BLE_ERROR_INVALID_STATE;
case NRF_ERROR_INVALID_PARAM:
return BLE_ERROR_INVALID_PARAM;
default:
return BLE_ERROR_UNSPECIFIED;
}
}
/**@brief Function for handling the Security Request timer timeout.
*
* @details This function will be called each time the Security Request timer expires.
*
* @param[in] p_context Pointer used for passing some arbitrary information (context) from the
* app_start_timer() call to the timeout handler.
*/
static void sec_req_timeout_handler(void * p_context)
{
uint32_t err_code;
if (m_conn_handle != BLE_CONN_HANDLE_INVALID)
{
// Initiate bonding.
NRF_LOG_DEBUG("Start encryption\r\n");
err_code = pm_conn_secure(m_conn_handle, false);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
}
}
/**@brief Function for handling Peer Manager events.
*
* @param[in] p_evt Peer Manager event.
*/
static void pm_evt_handler(pm_evt_t const * p_evt)
{
ret_code_t err_code;
switch(p_evt->evt_id)
{
case PM_EVT_BONDED_PEER_CONNECTED:
NRF_LOG_PRINTF("PM_EVT_BONDED_PEER_CONNECTED: peer_id=%d\n", p_evt->peer_id);
err_code = pm_peer_rank_highest(p_evt->peer_id);
NRF_LOG_PRINTF("peer_rank err_code: %d\r\n", err_code);
break;
case PM_EVT_CONN_SEC_START:
NRF_LOG_PRINTF("PM_EVT_CONN_SEC_START: peer_id=%d\n", p_evt->peer_id);
break;
case PM_EVT_CONN_SEC_SUCCEEDED:
NRF_LOG_PRINTF("PM_EVT_CONN_SEC_SUCCEEDED Role: %d. conn_handle: %d, Procedure: %d\r\n",
ble_conn_state_role(p_evt->conn_handle),
p_evt->conn_handle,
p_evt->params.conn_sec_succeeded.procedure);
err_code = pm_peer_rank_highest(p_evt->peer_id);
NRF_LOG_PRINTF("peer_rank err_code: %d\r\n", err_code);
break;
case PM_EVT_CONN_SEC_FAILED:
NRF_LOG_PRINTF("PM_EVT_CONN_SEC_FAILED: peer_id=%d, error=%d\n", p_evt->peer_id, p_evt->params.conn_sec_failed.error);
switch (p_evt->params.conn_sec_failed.error)
{
case PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING:
// Rebond if one party has lost its keys.
err_code = pm_conn_secure(p_evt->conn_handle, true);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
break;
default:
break;
}
break;
case PM_EVT_CONN_SEC_CONFIG_REQ:
{
// Reject pairing request from an already bonded peer.
pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false};
pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config);
}
case PM_EVT_STORAGE_FULL:
// Run garbage collection on the flash.
err_code = fds_gc();
if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES)
{
// Retry.
}
break;
case PM_EVT_ERROR_UNEXPECTED:
// Assert.
APP_ERROR_CHECK(p_evt->params.error_unexpected.error);
break;
case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED:
NRF_LOG_PRINTF("PM_EVT_PEER_DATA_UPDATE_SUCCEEDED: peer_id=%d data_id=0x%x action=0x%x\n", p_evt->peer_id, p_evt->params.peer_data_update_succeeded.data_id, p_evt->params.peer_data_update_succeeded.action);
break;
case PM_EVT_PEER_DATA_UPDATE_FAILED:
// Assert.
APP_ERROR_CHECK_BOOL(false);
break;
case PM_EVT_PEER_DELETE_SUCCEEDED:
break;
case PM_EVT_PEER_DELETE_FAILED:
// Assert.
APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error);
break;
case PM_EVT_PEERS_DELETE_SUCCEEDED:
adv_scan_start();
break;
case PM_EVT_PEERS_DELETE_FAILED:
// Assert.
APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error);
break;
case PM_EVT_LOCAL_DB_CACHE_APPLIED:
break;
case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED:
// The local database has likely changed, send service changed indications.
pm_local_database_has_changed();
break;
case PM_EVT_SERVICE_CHANGED_IND_SENT:
break;
case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED:
break;
}
}
/**@brief Handles events coming from the Heart Rate central module.
*/
static void hrs_c_evt_handler(ble_hrs_c_t * p_hrs_c, ble_hrs_c_evt_t * p_hrs_c_evt)
{
switch (p_hrs_c_evt->evt_type)
{
case BLE_HRS_C_EVT_DISCOVERY_COMPLETE:
{
if (m_conn_handle_hrs_c == BLE_CONN_HANDLE_INVALID)
{
ret_code_t err_code;
m_conn_handle_hrs_c = p_hrs_c_evt->conn_handle;
NRF_LOG_PRINTF("HRS discovered on conn_handle 0x%x\r\n",
m_conn_handle_hrs_c);
err_code = ble_hrs_c_handles_assign(p_hrs_c,
m_conn_handle_hrs_c,
&p_hrs_c_evt->params.peer_db);
APP_ERROR_CHECK(err_code);
// Initiate bonding.
err_code = pm_conn_secure(m_conn_handle_hrs_c, false);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
// Heart rate service discovered. Enable notification of Heart Rate Measurement.
err_code = ble_hrs_c_hrm_notif_enable(p_hrs_c);
APP_ERROR_CHECK(err_code);
}
} break; // BLE_HRS_C_EVT_DISCOVERY_COMPLETE
case BLE_HRS_C_EVT_HRM_NOTIFICATION:
{
NRF_LOG_PRINTF("Heart Rate = %d\r\n", p_hrs_c_evt->params.hrm.hr_value);
} break; // BLE_HRS_C_EVT_HRM_NOTIFICATION
default:
// No implementation needed.
break;
}
}
/**@brief Function for searching a given name in the advertisement packets.
*
* @details Use this function to parse received advertising data and to find a given
* name in them either as 'complete_local_name' or as 'short_local_name'.
*
* @param[in] p_adv_report advertising data to parse.
* @param[in] name_to_find name to search.
* @return true if the given name was found, false otherwise.
*/
static bool find_adv_name(const ble_gap_evt_adv_report_t *p_adv_report, const char * name_to_find)
{
uint32_t err_code;
data_t adv_data;
data_t dev_name;
// Initialize advertisement report for parsing
adv_data.p_data = (uint8_t *)p_adv_report->data;
adv_data.data_len = p_adv_report->dlen;
//search for advertising names
err_code = adv_report_parse(BLE_GAP_AD_TYPE_COMPLETE_LOCAL_NAME,
&adv_data,
&dev_name);
if (err_code == NRF_SUCCESS)
{
if(memcmp(name_to_find, dev_name.p_data, dev_name.data_len )== 0)
{
return true;
}
}
else
{
// Look for the short local name if it was not found as complete
err_code = adv_report_parse(BLE_GAP_AD_TYPE_SHORT_LOCAL_NAME,
&adv_data,
&dev_name);
if (err_code != NRF_SUCCESS)
{
return false;
}
if(memcmp(m_target_periph_name, dev_name.p_data, dev_name.data_len )== 0)
{
return true;
}
}
return false;
}
/**@brief Function for handling Peer Manager events.
*
* @param[in] p_evt Peer Manager event.
*/
static void pm_evt_handler(pm_evt_t const * p_evt)
{
ret_code_t err_code;
switch (p_evt->evt_id)
{
case PM_EVT_BONDED_PEER_CONNECTED:
{
NRF_LOG_DEBUG("Connected to previously bonded device\r\n");
m_peer_id = p_evt->peer_id;
err_code = pm_peer_rank_highest(p_evt->peer_id);
if (err_code != NRF_ERROR_BUSY)
{
APP_ERROR_CHECK(err_code);
}
}break;//PM_EVT_BONDED_PEER_CONNECTED
case PM_EVT_CONN_SEC_START:
break;//PM_EVT_CONN_SEC_START
case PM_EVT_CONN_SEC_SUCCEEDED:
{
NRF_LOG_DEBUG("Link secured. Role: %d. conn_handle: %d, Procedure: %d\r\n",
ble_conn_state_role(p_evt->conn_handle),
p_evt->conn_handle,
p_evt->params.conn_sec_succeeded.procedure);
err_code = pm_peer_rank_highest(p_evt->peer_id);
if (err_code != NRF_ERROR_BUSY)
{
APP_ERROR_CHECK(err_code);
}
if (p_evt->params.conn_sec_succeeded.procedure == PM_LINK_SECURED_PROCEDURE_BONDING)
{
NRF_LOG_DEBUG("New Bond, add the peer to the whitelist if possible\r\n");
NRF_LOG_DEBUG("\tm_whitelist_peer_cnt %d, MAX_PEERS_WLIST %d\r\n",
m_whitelist_peer_cnt + 1,
BLE_GAP_WHITELIST_ADDR_MAX_COUNT);
if (m_whitelist_peer_cnt < BLE_GAP_WHITELIST_ADDR_MAX_COUNT)
{
//bonded to a new peer, add it to the whitelist.
m_whitelist_peers[m_whitelist_peer_cnt++] = m_peer_id;
m_is_wl_changed = true;
}
}
}break;//PM_EVT_CONN_SEC_SUCCEEDED
case PM_EVT_CONN_SEC_FAILED:
{
/** In some cases, when securing fails, it can be restarted directly. Sometimes it can
* be restarted, but only after changing some Security Parameters. Sometimes, it cannot
* be restarted until the link is disconnected and reconnected. Sometimes it is
* impossible, to secure the link, or the peer device does not support it. How to
* handle this error is highly application dependent. */
switch (p_evt->params.conn_sec_failed.error)
{
case PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING:
// Rebond if one party has lost its keys.
err_code = pm_conn_secure(p_evt->conn_handle, true);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
break;
default:
break;
}
}break;//PM_EVT_CONN_SEC_FAILED
case PM_EVT_CONN_SEC_CONFIG_REQ:
{
// Reject pairing request from an already bonded peer.
pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false};
pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config);
}break;//PM_EVT_CONN_SEC_CONFIG_REQ
case PM_EVT_STORAGE_FULL:
// Run garbage collection on the flash.
err_code = fds_gc();
if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES)
{
// Retry.
}
else
{
APP_ERROR_CHECK(err_code);
}
break;//PM_EVT_STORAGE_FULL
case PM_EVT_ERROR_UNEXPECTED:
// A likely fatal error occurred. Assert.
APP_ERROR_CHECK(p_evt->params.error_unexpected.error);
break;//PM_EVT_ERROR_UNEXPECTED
case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED:
break;//PM_EVT_PEER_DATA_UPDATE_SUCCEEDED
case PM_EVT_PEER_DATA_UPDATE_FAILED:
APP_ERROR_CHECK(p_evt->params.peer_data_update_failed.error);
break;//PM_EVT_PEER_DATA_UPDATE_FAILED
case PM_EVT_PEER_DELETE_SUCCEEDED:
break;//PM_EVT_PEER_DELETE_SUCCEEDED
case PM_EVT_PEER_DELETE_FAILED:
APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error);
break;//PM_EVT_PEER_DELETE_FAILED
case PM_EVT_PEERS_DELETE_SUCCEEDED:
break;//PM_EVT_PEERS_DELETE_SUCCEEDED
case PM_EVT_PEERS_DELETE_FAILED:
APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error);
break;//PM_EVT_PEERS_DELETE_FAILED
case PM_EVT_LOCAL_DB_CACHE_APPLIED:
break;//PM_EVT_LOCAL_DB_CACHE_APPLIED
case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED:
// The local database has likely changed, send service changed indications.
pm_local_database_has_changed();
break;//PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED
case PM_EVT_SERVICE_CHANGED_IND_SENT:
break;//PM_EVT_SERVICE_CHANGED_IND_SENT
case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED:
break;//PM_EVT_SERVICE_CHANGED_IND_CONFIRMED
default:
// No implementation needed.
break;
}
}
/**@brief Function for the Peer Manager initialization.
*
* @param[in] erase_bonds Indicates whether bonding information should be cleared from
* persistent storage during initialization of the Peer Manager.
*/
static void peer_manager_init(bool erase_bonds)
{
ble_gap_sec_params_t sec_param;
ret_code_t err_code;
err_code = pm_init();
APP_ERROR_CHECK(err_code);
if (erase_bonds)
{
err_code = pm_peers_delete();
APP_ERROR_CHECK(err_code);
}
memset(&sec_param, 0, sizeof(ble_gap_sec_params_t));
// Security parameters to be used for all security procedures.
sec_param.bond = SEC_PARAM_BOND;
sec_param.mitm = SEC_PARAM_MITM;
sec_param.lesc = SEC_PARAM_LESC;
sec_param.keypress = SEC_PARAM_KEYPRESS;
sec_param.io_caps = SEC_PARAM_IO_CAPABILITIES;
sec_param.oob = SEC_PARAM_OOB;
sec_param.min_key_size = SEC_PARAM_MIN_KEY_SIZE;
sec_param.max_key_size = SEC_PARAM_MAX_KEY_SIZE;
sec_param.kdist_own.enc = 1;
sec_param.kdist_own.id = 1;
sec_param.kdist_peer.enc = 1;
sec_param.kdist_peer.id = 1;
err_code = pm_sec_params_set(&sec_param);
APP_ERROR_CHECK(err_code);
err_code = pm_register(pm_evt_handler);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling Peer Manager events.
*
* @param[in] p_evt Peer Manager event.
*/
static void pm_evt_handler(pm_evt_t const * p_evt)
{
ret_code_t err_code;
switch (p_evt->evt_id)
{
case PM_EVT_BONDED_PEER_CONNECTED:
{
NRF_LOG_DEBUG("Connected to previously bonded device\r\n");
err_code = pm_peer_rank_highest(p_evt->peer_id);
if (err_code != NRF_ERROR_BUSY)
{
APP_ERROR_CHECK(err_code);
}
} break; // PM_EVT_BONDED_PEER_CONNECTED
case PM_EVT_CONN_SEC_START:
break; // PM_EVT_CONN_SEC_START
case PM_EVT_CONN_SEC_SUCCEEDED:
{
NRF_LOG_DEBUG("Link secured. Role: %d. conn_handle: %d, Procedure: %d\r\n",
ble_conn_state_role(p_evt->conn_handle),
p_evt->conn_handle,
p_evt->params.conn_sec_succeeded.procedure);
err_code = pm_peer_rank_highest(p_evt->peer_id);
if (err_code != NRF_ERROR_BUSY)
{
APP_ERROR_CHECK(err_code);
}
} break; // PM_EVT_CONN_SEC_SUCCEEDED
case PM_EVT_CONN_SEC_FAILED:
{
/** In some cases, when securing fails, it can be restarted directly. Sometimes it can
* be restarted, but only after changing some Security Parameters. Sometimes, it cannot
* be restarted until the link is disconnected and reconnected. Sometimes it is
* impossible, to secure the link, or the peer device does not support it. How to
* handle this error is highly application dependent. */
switch (p_evt->params.conn_sec_failed.error)
{
case PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING:
// Rebond if one party has lost its keys.
err_code = pm_conn_secure(p_evt->conn_handle, true);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
break; // PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING
default:
break;
}
} break; // PM_EVT_CONN_SEC_FAILED
case PM_EVT_CONN_SEC_CONFIG_REQ:
{
// Reject pairing request from an already bonded peer.
pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false};
pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config);
} break; // PM_EVT_CONN_SEC_CONFIG_REQ
case PM_EVT_STORAGE_FULL:
{
// Run garbage collection on the flash.
err_code = fds_gc();
if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES)
{
// Retry.
}
else
{
APP_ERROR_CHECK(err_code);
}
} break; // PM_EVT_STORAGE_FULL
case PM_EVT_ERROR_UNEXPECTED:
// Assert.
APP_ERROR_CHECK(p_evt->params.error_unexpected.error);
break; // PM_EVT_ERROR_UNEXPECTED
case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED:
break; // PM_EVT_PEER_DATA_UPDATE_SUCCEEDED
case PM_EVT_PEER_DATA_UPDATE_FAILED:
// Assert.
APP_ERROR_CHECK_BOOL(false);
break; // PM_EVT_PEER_DATA_UPDATE_FAILED
case PM_EVT_PEER_DELETE_SUCCEEDED:
break; // PM_EVT_PEER_DELETE_SUCCEEDED
case PM_EVT_PEER_DELETE_FAILED:
// Assert.
APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error);
break; // PM_EVT_PEER_DELETE_FAILED
case PM_EVT_PEERS_DELETE_SUCCEEDED:
advertising_start();
break; // PM_EVT_PEERS_DELETE_SUCCEEDED
case PM_EVT_PEERS_DELETE_FAILED:
// Assert.
APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error);
break; // PM_EVT_PEERS_DELETE_FAILED
case PM_EVT_LOCAL_DB_CACHE_APPLIED:
break; // PM_EVT_LOCAL_DB_CACHE_APPLIED
case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED:
// The local database has likely changed, send service changed indications.
pm_local_database_has_changed();
break; // PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED
case PM_EVT_SERVICE_CHANGED_IND_SENT:
break; // PM_EVT_SERVICE_CHANGED_IND_SENT
case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED:
break; // PM_EVT_SERVICE_CHANGED_IND_SENT
default:
// No implementation needed.
break;
}
}
/**@brief Function for performing battery measurement and updating the Battery Level characteristic
* in Battery Service.
*/
static void battery_level_update(void)
{
uint32_t err_code;
uint8_t battery_level;
battery_level = (uint8_t)sensorsim_measure(&m_battery_sim_state, &m_battery_sim_cfg);
err_code = ble_bas_battery_level_update(&m_bas, battery_level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_PACKETS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
/**@brief Function for handling Peer Manager events.
*
* @param[in] p_evt Peer Manager event.
*/
static void pm_evt_handler(pm_evt_t const * p_evt)
{
ret_code_t err_code;
switch (p_evt->evt_id)
{
case PM_EVT_BONDED_PEER_CONNECTED:
err_code = pm_peer_rank_highest(p_evt->peer_id);
if (err_code != NRF_ERROR_BUSY)
{
APP_ERROR_CHECK(err_code);
}
break; // PM_EVT_BONDED_PEER_CONNECTED
case PM_EVT_CONN_SEC_START:
break; // PM_EVT_CONN_SEC_START
case PM_EVT_CONN_SEC_SUCCEEDED:
{
NRF_LOG_INFO("Link secured. Role: %d. conn_handle: %d, Procedure: %d\r\n",
ble_conn_state_role(p_evt->conn_handle),
p_evt->conn_handle,
p_evt->params.conn_sec_succeeded.procedure);
err_code = pm_peer_rank_highest(p_evt->peer_id);
if (err_code != NRF_ERROR_BUSY)
{
APP_ERROR_CHECK(err_code);
}
} break; // PM_EVT_CONN_SEC_SUCCEEDED
case PM_EVT_CONN_SEC_FAILED:
{
/** In some cases, when securing fails, it can be restarted directly. Sometimes it can
* be restarted, but only after changing some Security Parameters. Sometimes, it cannot
* be restarted until the link is disconnected and reconnected. Sometimes it is
* impossible, to secure the link, or the peer device does not support it. How to
* handle this error is highly application dependent. */
switch (p_evt->params.conn_sec_failed.error)
{
case PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING:
// Rebond if one party has lost its keys.
err_code = pm_conn_secure(p_evt->conn_handle, true);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
break; // PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING
default:
break;
}
} break; // PM_EVT_CONN_SEC_FAILED
case PM_EVT_CONN_SEC_CONFIG_REQ:
{
// Reject pairing request from an already bonded peer.
pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false};
pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config);
} break; // PM_EVT_CONN_SEC_CONFIG_REQ
case PM_EVT_STORAGE_FULL:
{
// Run garbage collection on the flash.
err_code = fds_gc();
if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES)
{
// Retry.
}
else
{
APP_ERROR_CHECK(err_code);
}
} break; // PM_EVT_STORAGE_FULL
case PM_EVT_ERROR_UNEXPECTED:
// Assert.
APP_ERROR_CHECK(p_evt->params.error_unexpected.error);
break; // PM_EVT_ERROR_UNEXPECTED
case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED:
break; // PM_EVT_PEER_DATA_UPDATE_SUCCEEDED
case PM_EVT_PEER_DATA_UPDATE_FAILED:
// Assert.
APP_ERROR_CHECK_BOOL(false);
break; // PM_EVT_PEER_DATA_UPDATE_FAILED
case PM_EVT_PEER_DELETE_SUCCEEDED:
break; // PM_EVT_PEER_DELETE_SUCCEEDED
case PM_EVT_PEER_DELETE_FAILED:
// Assert.
APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error);
break; // PM_EVT_PEER_DELETE_FAILED
case PM_EVT_PEERS_DELETE_SUCCEEDED:
advertising_start();
break; // PM_EVT_PEERS_DELETE_SUCCEEDED
case PM_EVT_PEERS_DELETE_FAILED:
// Assert.
APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error);
break; // PM_EVT_PEERS_DELETE_FAILED
case PM_EVT_LOCAL_DB_CACHE_APPLIED:
break; // PM_EVT_LOCAL_DB_CACHE_APPLIED
case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED:
// The local database has likely changed, send service changed indications.
pm_local_database_has_changed();
break; // PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED
case PM_EVT_SERVICE_CHANGED_IND_SENT:
break; // PM_EVT_SERVICE_CHANGED_IND_SENT
case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED:
break; // PM_EVT_SERVICE_CHANGED_IND_CONFIRMED
default:
// No implementation needed.
break;
}
}
/**@brief Function for handling the security request timer time-out.
*
* @details This function is called each time the security request timer expires.
*
* @param[in] p_context Pointer used for passing context information from the
* app_start_timer() call to the time-out handler.
*/
static void sec_req_timeout_handler(void * p_context)
{
uint32_t err_code;
pm_conn_sec_status_t status;
if (m_cur_conn_handle != BLE_CONN_HANDLE_INVALID)
{
err_code = pm_conn_sec_status_get(m_cur_conn_handle, &status);
APP_ERROR_CHECK(err_code);
// If the link is still not secured by the peer, initiate security procedure.
if (!status.encrypted)
{
NRF_LOG_INFO("Start encryption\r\n");
err_code = pm_conn_secure(m_cur_conn_handle, false);
APP_ERROR_CHECK(err_code);
}
}
}
/**@brief Function for handling Peer Manager events.
*
* @param[in] p_evt Peer Manager event.
*/
static void pm_evt_handler(pm_evt_t const * p_evt)
{
ret_code_t err_code;
switch(p_evt->evt_id)
{
case PM_EVT_BONDED_PEER_CONNECTED:
{
NRF_LOG_PRINTF_DEBUG("Connected to previously bonded device\r\n");
err_code = pm_peer_rank_highest(p_evt->peer_id);
if (err_code != NRF_ERROR_BUSY)
{
APP_ERROR_CHECK(err_code);
}
}break;//PM_EVT_BONDED_PEER_CONNECTED
case PM_EVT_CONN_SEC_START:
break;//PM_EVT_CONN_SEC_START
case PM_EVT_CONN_SEC_SUCCEEDED:
{
NRF_LOG_PRINTF("Link secured. Role: %d. conn_handle: %d, Procedure: %d\r\n",
ble_conn_state_role(p_evt->conn_handle),
p_evt->conn_handle,
p_evt->params.conn_sec_succeeded.procedure);
err_code = pm_peer_rank_highest(p_evt->peer_id);
if (err_code != NRF_ERROR_BUSY)
{
APP_ERROR_CHECK(err_code);
}
}break;//PM_EVT_CONN_SEC_SUCCEEDED
case PM_EVT_CONN_SEC_FAILED:
{
/** In some cases, when securing fails, it can be restarted directly. Sometimes it can
* be restarted, but only after changing some Security Parameters. Sometimes, it cannot
* be restarted until the link is disconnected and reconnected. Sometimes it is
* impossible, to secure the link, or the peer device does not support it. How to
* handle this error is highly application dependent. */
switch (p_evt->params.conn_sec_failed.error)
{
case PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING:
// Rebond if one party has lost its keys.
err_code = pm_conn_secure(p_evt->conn_handle, true);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
break;//PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING
default:
break;
}
}break;//PM_EVT_CONN_SEC_FAILED
case PM_EVT_CONN_SEC_CONFIG_REQ:
{
// Reject pairing request from an already bonded peer.
pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false};
pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config);
}break;//PM_EVT_CONN_SEC_CONFIG_REQ
case PM_EVT_STORAGE_FULL:
{
// Run garbage collection on the flash.
err_code = fds_gc();
if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES)
{
// Retry.
}
else
{
APP_ERROR_CHECK(err_code);
}
}break;//PM_EVT_STORAGE_FULL
case PM_EVT_ERROR_UNEXPECTED:
// Assert.
APP_ERROR_CHECK(p_evt->params.error_unexpected.error);
break;//PM_EVT_ERROR_UNEXPECTED
case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED:
break;//PM_EVT_PEER_DATA_UPDATE_SUCCEEDED
case PM_EVT_PEER_DATA_UPDATE_FAILED:
// Assert.
APP_ERROR_CHECK_BOOL(false);
break;//PM_EVT_PEER_DATA_UPDATE_FAILED
case PM_EVT_PEER_DELETE_SUCCEEDED:
break;//PM_EVT_PEER_DELETE_SUCCEEDED
case PM_EVT_PEER_DELETE_FAILED:
// Assert.
APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error);
break;//PM_EVT_PEER_DELETE_FAILED
case PM_EVT_PEERS_DELETE_SUCCEEDED:
adv_scan_start();
break;//PM_EVT_PEERS_DELETE_SUCCEEDED
case PM_EVT_PEERS_DELETE_FAILED:
// Assert.
APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error);
break;//PM_EVT_PEERS_DELETE_FAILED
case PM_EVT_LOCAL_DB_CACHE_APPLIED:
break;//PM_EVT_LOCAL_DB_CACHE_APPLIED
case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED:
// The local database has likely changed, send service changed indications.
pm_local_database_has_changed();
break;//PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED
case PM_EVT_SERVICE_CHANGED_IND_SENT:
break;//PM_EVT_SERVICE_CHANGED_IND_SENT
case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED:
break;//PM_EVT_SERVICE_CHANGED_IND_CONFIRMED
default:
// No implementation needed.
break;
}
}
/**@brief Handles events coming from the Heart Rate central module.
*/
static void hrs_c_evt_handler(ble_hrs_c_t * p_hrs_c, ble_hrs_c_evt_t * p_hrs_c_evt)
{
switch (p_hrs_c_evt->evt_type)
{
case BLE_HRS_C_EVT_DISCOVERY_COMPLETE:
{
if (m_conn_handle_hrs_c == BLE_CONN_HANDLE_INVALID)
{
ret_code_t err_code;
m_conn_handle_hrs_c = p_hrs_c_evt->conn_handle;
NRF_LOG_PRINTF("HRS discovered on conn_handle 0x%x\r\n",
m_conn_handle_hrs_c);
err_code = ble_hrs_c_handles_assign(p_hrs_c,
m_conn_handle_hrs_c,
&p_hrs_c_evt->params.peer_db);
APP_ERROR_CHECK(err_code);
// Initiate bonding.
err_code = pm_conn_secure(m_conn_handle_hrs_c, false);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
// Heart rate service discovered. Enable notification of Heart Rate Measurement.
err_code = ble_hrs_c_hrm_notif_enable(p_hrs_c);
APP_ERROR_CHECK(err_code);
}
} break; // BLE_HRS_C_EVT_DISCOVERY_COMPLETE
case BLE_HRS_C_EVT_HRM_NOTIFICATION:
{
ret_code_t err_code;
NRF_LOG_PRINTF("Heart Rate = %d\r\n", p_hrs_c_evt->params.hrm.hr_value);
err_code = ble_hrs_heart_rate_measurement_send(&m_hrs, p_hrs_c_evt->params.hrm.hr_value);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_PACKETS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
} break; // BLE_HRS_C_EVT_HRM_NOTIFICATION
default:
// No implementation needed.
break;
}
}
/**@brief Handles events coming from Running Speed and Cadence central module.
*/
static void rscs_c_evt_handler(ble_rscs_c_t * p_rscs_c, ble_rscs_c_evt_t * p_rscs_c_evt)
{
switch (p_rscs_c_evt->evt_type)
{
case BLE_RSCS_C_EVT_DISCOVERY_COMPLETE:
{
if (m_conn_handle_rscs_c == BLE_CONN_HANDLE_INVALID)
{
ret_code_t err_code;
m_conn_handle_rscs_c = p_rscs_c_evt->conn_handle;
NRF_LOG_PRINTF("Running Speed and Cadence service discovered on conn_handle 0x%x\r\n", m_conn_handle_rscs_c);
err_code = ble_rscs_c_handles_assign(p_rscs_c,
m_conn_handle_rscs_c,
&p_rscs_c_evt->params.rscs_db);
APP_ERROR_CHECK(err_code);
// Initiate bonding.
err_code = pm_conn_secure(m_conn_handle_rscs_c, false);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
// Running speed cadence service discovered. Enable notifications.
err_code = ble_rscs_c_rsc_notif_enable(p_rscs_c);
APP_ERROR_CHECK(err_code);
}
} break; // BLE_RSCS_C_EVT_DISCOVERY_COMPLETE:
case BLE_RSCS_C_EVT_RSC_NOTIFICATION:
{
uint32_t err_code;
ble_rscs_meas_t rscs_measurment;
NRF_LOG_PRINTF("Speed = %d\r\n", p_rscs_c_evt->params.rsc.inst_speed);
rscs_measurment.is_running = p_rscs_c_evt->params.rsc.is_running;
rscs_measurment.is_inst_stride_len_present = p_rscs_c_evt->params.rsc.is_inst_stride_len_present;
rscs_measurment.is_total_distance_present = p_rscs_c_evt->params.rsc.is_total_distance_present;
rscs_measurment.inst_stride_length = p_rscs_c_evt->params.rsc.inst_stride_length;
rscs_measurment.inst_cadence = p_rscs_c_evt->params.rsc.inst_cadence;
rscs_measurment.inst_speed = p_rscs_c_evt->params.rsc.inst_speed;
rscs_measurment.total_distance = p_rscs_c_evt->params.rsc.total_distance;
err_code = ble_rscs_measurement_send(&m_rscs, &rscs_measurment);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_PACKETS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
} break; // BLE_RSCS_C_EVT_RSC_NOTIFICATION
default:
// No implementation needed.
break;
}
}
/**@brief Function for searching a given name in the advertisement packets.
*
* @details Use this function to parse received advertising data and to find a given
* name in them either as 'complete_local_name' or as 'short_local_name'.
*
* @param[in] p_adv_report advertising data to parse.
* @param[in] name_to_find name to search.
* @return true if the given name was found, false otherwise.
*/
static bool find_adv_name(const ble_gap_evt_adv_report_t *p_adv_report, const char * name_to_find)
{
uint32_t err_code;
data_t adv_data;
data_t dev_name;
// Initialize advertisement report for parsing
adv_data.p_data = (uint8_t *)p_adv_report->data;
adv_data.data_len = p_adv_report->dlen;
//search for advertising names
err_code = adv_report_parse(BLE_GAP_AD_TYPE_COMPLETE_LOCAL_NAME,
&adv_data,
&dev_name);
if (err_code == NRF_SUCCESS)
{
if(memcmp(name_to_find, dev_name.p_data, dev_name.data_len )== 0)
{
return true;
}
}
else
{
// Look for the short local name if it was not found as complete
err_code = adv_report_parse(BLE_GAP_AD_TYPE_SHORT_LOCAL_NAME,
&adv_data,
&dev_name);
if (err_code != NRF_SUCCESS)
{
return false;
}
if(memcmp(m_target_periph_name, dev_name.p_data, dev_name.data_len )== 0)
{
return true;
}
}
return false;
}