/**@brief Function for handling the Device Manager events.
*
* @param[in] p_evt Data associated to the device manager event.
*/
static uint32_t device_manager_evt_handler(dm_handle_t const * p_handle,
dm_event_t const * p_event,
ret_code_t event_result)
{
uint32_t err_code;
static bool device_delete_all_started;
// Recovery in the event of DM_DEVICE_CONTEXT_FULL
if(event_result == DM_DEVICE_CONTEXT_FULL)
{
/* Clear all devices from the bond table*/
err_code = dm_device_delete_all(&m_app_handle);
APP_ERROR_CHECK(err_code);
device_delete_all_started = true;
}
else
{
APP_ERROR_CHECK(event_result);
}
if (p_event->event_id == DM_EVT_DEVICE_CONTEXT_STORED)
{
table_index_t table_index;
//Find first and last bond created from m_bond_index_table
app_bond_find(&m_app_bond_table,&table_index);
//Increment counter if a new bond was created
if(!(table_index.mr_cnt_val >= m_app_bond_table.app_bond_cnt[p_handle->device_id]))
{
table_index.mr_cnt_val++;
m_app_bond_table.app_bond_cnt[p_handle->device_id] = table_index.mr_cnt_val;
}
//Delete first created bond if bond table is full
if(((table_index.mr_cnt_val-table_index.lr_cnt_val)== DEVICE_MANAGER_MAX_BONDS-1)
&& (table_index.lr_cnt_val != NO_APP_CONTEXT))
{
uint32_t err_code;
dm_handle_t device;
device.appl_id = 0;
m_app_bond_table.app_bond_cnt[table_index.lr_index]=NO_APP_CONTEXT;
device.device_id = m_app_bond_table.device_id[table_index.lr_index];
err_code = dm_device_delete(&device);
APP_ERROR_CHECK(err_code);
}
//Update the app context for new device
app_bond_update_context(&m_app_bond_table,p_handle);
}
else if (p_event->event_id ==DM_EVT_DEVICE_CONTEXT_DELETED)
{
/* Wait for all devices to be cleared before perfoming a sys reset */
if(device_delete_all_started && (p_handle->device_id == DEVICE_MANAGER_MAX_BONDS -1))
{
err_code = sd_nvic_SystemReset();
APP_ERROR_CHECK(err_code);
}
}
return NRF_SUCCESS;
}
ble_error_t
btle_initializeSecurity(bool enableBonding,
bool requireMITM,
SecurityManager::SecurityIOCapabilities_t iocaps,
const SecurityManager::Passkey_t passkey)
{
/* guard against multiple initializations */
if (initialized) {
return BLE_ERROR_NONE;
}
if (pstorage_init() != NRF_SUCCESS) {
return BLE_ERROR_UNSPECIFIED;
}
ret_code_t rc;
if (passkey) {
ble_opt_t opts;
opts.gap_opt.passkey.p_passkey = const_cast<uint8_t *>(passkey);
if ((rc = sd_ble_opt_set(BLE_GAP_OPT_PASSKEY, &opts)) != NRF_SUCCESS) {
switch (rc) {
case BLE_ERROR_INVALID_CONN_HANDLE:
case NRF_ERROR_INVALID_ADDR:
case NRF_ERROR_INVALID_PARAM:
default:
return BLE_ERROR_INVALID_PARAM;
case NRF_ERROR_INVALID_STATE:
return BLE_ERROR_INVALID_STATE;
case NRF_ERROR_BUSY:
return BLE_STACK_BUSY;
}
}
}
dm_init_param_t dm_init_param = {
.clear_persistent_data = false /* Set to true in case the module should clear all persistent data. */
};
if (dm_init(&dm_init_param) != NRF_SUCCESS) {
return BLE_ERROR_UNSPECIFIED;
}
// update default security parameters with function call parameters
securityParameters.bond = enableBonding;
securityParameters.mitm = requireMITM;
securityParameters.io_caps = iocaps;
const dm_application_param_t dm_param = {
.evt_handler = dm_handler,
.service_type = DM_PROTOCOL_CNTXT_GATT_CLI_ID,
.sec_param = securityParameters
};
if ((rc = dm_register(&applicationInstance, &dm_param)) != NRF_SUCCESS) {
switch (rc) {
case NRF_ERROR_INVALID_STATE:
return BLE_ERROR_INVALID_STATE;
case NRF_ERROR_NO_MEM:
return BLE_ERROR_NO_MEM;
default:
return BLE_ERROR_UNSPECIFIED;
}
}
initialized = true;
return BLE_ERROR_NONE;
}
ble_error_t
btle_purgeAllBondingState(void)
{
ret_code_t rc;
if ((rc = dm_device_delete_all(&applicationInstance)) == NRF_SUCCESS) {
return BLE_ERROR_NONE;
}
switch (rc) {
case NRF_ERROR_INVALID_STATE:
return BLE_ERROR_INVALID_STATE;
case NRF_ERROR_NO_MEM:
return BLE_ERROR_NO_MEM;
default:
return BLE_ERROR_UNSPECIFIED;
}
}
