bool zigbee_permit_joining(bool join_permitted) {
/* Check that the device is operating either as router or coordinator. */
if ((NWK_FORMED != ZIGBEE_NWK_GET_STATE()) &&
(NWK_STARTED != ZIGBEE_NWK_GET_STATE())) {
return false;
}
/* Set the Associate Permitted flag in the IEEE 802.15.4 MAC. */
IEEE802_15_4_SET_ASSOCIATION_PERMITTED(join_permitted);
return true;
}
void mac_associate_indication_callback(mlme_associate_ind_t *mai) {
/* Allcoate some memory to build the MLME_ASSOCIATE.response on. */
mlme_associate_resp_t *response = (mlme_associate_resp_t *)MEM_ALLOC(mlme_associate_resp_t);
if (NULL == response) {
return;
}
memcpy((void *)(&(response->DeviceAddress)), (void *)(&(mai->DeviceAddress)), sizeof(uint64_t));
nwk_param.join_ind.capability_information = mai->CapabilityInformation;
/* Check if the device with this long address has been given a short address
* already. That is this device is the parent.
*/
zigbee_neighbor_table_item_t *child = zigbee_neighbor_table_find_long(mai->DeviceAddress);
if (NULL != child) {
response->AssocShortAddress = child->NetworkAddress;
nwk_param.join_ind.allocted_address = child->NetworkAddress;
response->status = ASSOCIATION_SUCCESSFUL;
} else {
/* Check if the joining device is an End device or Router. */
if (((mai->CapabilityInformation) & (0x02)) != (0x02)) {
/* Check if it is possible to join the end device. */
child = zigbee_neighbor_table_add_device();
} else {
/* Check if it is possible to join the router. */
child = zigbee_neighbor_table_add_router();
}
if (NULL == child) {
response->AssocShortAddress = 0xFFFF;
response->status = PAN_AT_CAPACITY;
/* Also upate the permit joining PIB in the IEEE 802.15.4 MAC to
* reflect that the system is now not to associate more devices.
*/
IEEE802_15_4_SET_ASSOCIATION_PERMITTED(false);
} else {
response->AssocShortAddress = child->NetworkAddress;
nwk_param.join_ind.allocted_address = child->NetworkAddress;
response->status = ASSOCIATION_SUCCESSFUL;
}
}
(bool)ieee802_15_4_associate_response(response);
MEM_FREE(response);
}
