248 lines
7.3 KiB
C
248 lines
7.3 KiB
C
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#include "Mesh_OTA.h"
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static const char *LOG_TAG = "mesh_network";
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static uint8_t tx_buf[CONFIG_MESH_MESSAGE_SIZE] = { 0, };
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static uint8_t rx_buf[CONFIG_MESH_MESSAGE_SIZE] = { 0, };
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static uint8_t u8NodeMAC[6];
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esp_netif_t* netif_sta;
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bool bIsMeshConnected;
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int32_t i32MeshLayer;
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mesh_addr_t mesh_parent_addr;
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esp_err_t errMeshNetworkInitialize()
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{
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//init module variables
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esp_err_t err;
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bIsMeshConnected = false;
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i32MeshLayer = -1;
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netif_sta = NULL;
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err = nvs_flash_init(); //init non-volatile storage
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#ifdef ERASE_NVS
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if(err == ESP_ERR_NVS_NO_FREE_PAGES) //check if storage is full
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{
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ERROR_CHECK(nvs_flash_erase());
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}
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#endif
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// tcpip initialization
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ERROR_CHECK(esp_netif_init());
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//event initialization
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ERROR_CHECK(esp_event_loop_create_default());
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//create network interfaces for mesh (only station instance saved for further manipulation, soft AP instance ignored
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ERROR_CHECK(esp_netif_create_default_wifi_mesh_netifs(&netif_sta, NULL));
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//wifi initialization
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ERROR_CHECK(errMeshNetworkInitializeWiFi());
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//mesh initialization
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ERROR_CHECK(esp_mesh_init());
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//mesh initialization
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ERROR_CHECK(esp_event_handler_register(MESH_EVENT, ESP_EVENT_ANY_ID, &vMeshEventHandler, NULL));
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//set mesh topology
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ERROR_CHECK(esp_mesh_set_topology(CONFIG_MESH_TOPOLOGY));
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//set mesh max layer according to the topology
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ERROR_CHECK(esp_mesh_set_max_layer(CONFIG_MESH_MAX_LAYER));
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ERROR_CHECK(esp_mesh_set_vote_percentage(1));
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ERROR_CHECK(esp_mesh_set_xon_qsize(128));
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//Disable mesh PS function
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ERROR_CHECK(esp_mesh_disable_ps());
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ERROR_CHECK(esp_mesh_set_ap_assoc_expire(10));
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mesh_cfg_t cfg = MESH_INIT_CONFIG_DEFAULT();
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/* mesh ID */
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memcpy((uint8_t *) &cfg.mesh_id, CONFIG_MESH_ID, 6);
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ERROR_CHECK(errMeshNetworkInitializeRouter(&cfg));
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/* mesh softAP */
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ERROR_CHECK(esp_mesh_set_ap_authmode(CONFIG_MESH_AP_AUTHMODE));
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cfg.mesh_ap.max_connection = CONFIG_MESH_AP_CONNECTIONS;
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memcpy((uint8_t *) &cfg.mesh_ap.password, CONFIG_MESH_AP_PASSWD,
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strlen(CONFIG_MESH_AP_PASSWD));
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ERROR_CHECK(esp_mesh_set_config(&cfg));
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/* mesh start */
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ERROR_CHECK(esp_mesh_start());
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ERROR_CHECK(esp_base_mac_addr_get(u8NodeMAC))
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//debug info
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ESP_LOGD(LOG_TAG, "mesh starts successfully, heap:%d, %s<%d>%s, ps:%d\n", esp_get_minimum_free_heap_size(),
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esp_mesh_is_root_fixed() ? "root fixed" : "root not fixed",
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esp_mesh_get_topology(), esp_mesh_get_topology() ? "(chain)":"(tree)", esp_mesh_is_ps_enabled());
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ESP_LOGI(LOG_TAG, "Node MAC: \"%x:%x:%x:%x:%x:%x\" ", u8NodeMAC[0], u8NodeMAC[1], u8NodeMAC[2], u8NodeMAC[3], u8NodeMAC[4], u8NodeMAC[5]);
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return ESP_OK;
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}
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esp_err_t errMeshNetworkInitializeWiFi()
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{
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//wifi initialization
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esp_err_t err = ESP_OK;
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wifi_init_config_t config = WIFI_INIT_CONFIG_DEFAULT();
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ERROR_CHECK(esp_wifi_init(&config));
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ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &vIPEventHandler, NULL));
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ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_FLASH));
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ERROR_CHECK(esp_wifi_start());
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return err;
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}
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esp_err_t errMeshNetworkInitializeRouter(mesh_cfg_t* cfg)
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{
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//router initialization
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esp_err_t err = ESP_OK;
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(*cfg).channel = CONFIG_MESH_CHANNEL;
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(*cfg).router.ssid_len = strlen(CONFIG_MESH_ROUTER_SSID);
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memcpy((uint8_t *) &(*cfg).router.ssid, CONFIG_MESH_ROUTER_SSID, (*cfg).router.ssid_len);
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memcpy((uint8_t *) &(*cfg).router.password, CONFIG_MESH_ROUTER_PASSWD,
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strlen(CONFIG_MESH_ROUTER_PASSWD));
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return err;
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}
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//returns true if MAC address is equal
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bool bCheckMACEquality(uint8_t* pu8aMAC, uint8_t* pu8bMAC)
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{
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bool bRet = true;
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uint8_t index = 0;
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while ((index < 6) && (bRet == true))
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{
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if(pu8aMAC[index] != pu8bMAC[index])
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{
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bRet = false;
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}
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index++;
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}
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return bRet;
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}
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esp_err_t errGetChildren(mesh_addr_t* pChildren, uint16_t* pu16ChildrenSize)
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{
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esp_err_t err = ESP_OK;
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int route_table_size = 0;
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*pu16ChildrenSize = 0;
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mesh_addr_t route_table[CONFIG_MESH_ROUTE_TABLE_SIZE];
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ERROR_CHECK(esp_mesh_get_routing_table((mesh_addr_t *) &route_table, (CONFIG_MESH_ROUTE_TABLE_SIZE * 6), &route_table_size));
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if (err == ESP_OK)
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{
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for(uint16_t index = 0; index < esp_mesh_get_routing_table_size(); index++)
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{
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if(! (bCheckMACEquality(u8NodeMAC, route_table[index].addr)) )
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{
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//child node
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//ESP_LOGI(MESH_TAG, "adding Node: \"0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x\" ", route_table[index].addr[0], route_table[index].addr[1], route_table[index].addr[2], route_table[index].addr[3], route_table[index].addr[4], route_table[index].addr[5]);
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pChildren[*pu16ChildrenSize] = route_table[index];
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*pu16ChildrenSize = (*pu16ChildrenSize)+1;
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}
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}
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}
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return err;
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}
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esp_err_t errSendMeshPacket(mesh_addr_t* pAddrDest, MESH_PACKET_t* pPacket)
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{
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esp_err_t err;
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mesh_data_t data;
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data.data = tx_buf;
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data.size = sizeof(tx_buf);
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data.proto = MESH_PROTO_BIN;
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data.tos = MESH_TOS_P2P;
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memcpy(tx_buf, (uint8_t *)pPacket, sizeof(MESH_PACKET_t));
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err = esp_mesh_send(pAddrDest, &data, MESH_DATA_P2P, NULL, 0);
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return err;
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}
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esp_err_t errStartReceiveTask()
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{
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esp_err_t err = ESP_OK;
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BaseType_t xReturned;
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xReturned = xTaskCreate(vTaskReceiveMeshData, "ReceiveMeshData", 7000, NULL, 5, NULL);
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if(xReturned != pdPASS)
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{
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err = ESP_FAIL;
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}
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return err;
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}
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void vTaskReceiveMeshData(void *arg)
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{
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esp_err_t err;
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mesh_addr_t from;
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mesh_data_t data;
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int flag = 0;
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data.data = rx_buf;
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data.size = CONFIG_MESH_MESSAGE_SIZE;
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while (true)
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{
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data.size = CONFIG_MESH_MESSAGE_SIZE;
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err = esp_mesh_recv(&from, &data, portMAX_DELAY, &flag, NULL, 0);
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if (err != ESP_OK || !data.size)
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{
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ESP_LOGE(LOG_TAG, "err:0x%x, size:%d", err, data.size);
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continue;
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}
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/*
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struct ota_mesh_packet packet;
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memcpy(&packet, (uint8_t *)rx_buf, sizeof(struct ota_mesh_packet));
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switch (packet.type)
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{
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case APP_Version_Request:
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ESP_LOGI(LOG_TAG, "recv: APP_Version_Request");
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packet.type=APP_Version_Response;
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packet.au8Payload[0] = 42; //TODO get current running version
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// ESP_ERROR_CHECK (esp_mesh_send_packet(&from, &packet)); //send back to parent
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break;
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case APP_Version_Response:
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ESP_LOGI(LOG_TAG, "recv: APP_Version_Response - App Version %i: ", packet.au8Payload[0]);
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//check if node is out-dated
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// esp_mesh_ota_send(&from);
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break;
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case OTA_Data:
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ESP_LOGI(LOG_TAG, "recv: OTA_Data");
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//esp_mesh_ota_receive(&from, &packet);
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packet.type=OTA_ACK;
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//ESP_ERROR_CHECK (esp_mesh_send_packet(&from, &packet)); //send back to parent
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break;
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case OTA_ACK:
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ESP_LOGI(LOG_TAG, "recv: OTA_ACK");
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//esp_mesh_ota_send(&from);
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break;
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case OTA_Complete:
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ESP_LOGI(LOG_TAG, "recv: OTA_Complete");
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break;
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default:
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ESP_LOGE(LOG_TAG, "recv: something");
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break;
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}//end switch
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*/
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} //end while
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}
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