360 lines
12 KiB
C
360 lines
12 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/event_groups.h"
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#include "esp_system.h"
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#include "esp_wifi.h"
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#include "esp_event_loop.h"
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#include "esp_log.h"
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#include "nvs_flash.h"
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#include "bt.h"
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#include "esp_blufi_api.h"
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#include "esp_bt_defs.h"
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#include "esp_gap_ble_api.h"
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#include "esp_bt_main.h"
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#include "esp_bt_device.h"
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#include "blufi_example.h"
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static void example_event_callback(esp_blufi_cb_event_t event, esp_blufi_cb_param_t *param);
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#define BLUFI_DEVICE_NAME "BLUFI_DEVICE"
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static uint8_t example_service_uuid128[32] = {
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/* LSB <--------------------------------------------------------------------------------> MSB */
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//first uuid, 16bit, [12],[13] is the value
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0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00,
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};
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//static uint8_t test_manufacturer[TEST_MANUFACTURER_DATA_LEN] = {0x12, 0x23, 0x45, 0x56};
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static esp_ble_adv_data_t example_adv_data = {
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.set_scan_rsp = false,
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.include_name = true,
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.include_txpower = true,
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.min_interval = 0x100,
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.max_interval = 0x100,
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.appearance = 0x00,
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.manufacturer_len = 0,
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.p_manufacturer_data = NULL,
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.service_data_len = 0,
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.p_service_data = NULL,
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.service_uuid_len = 16,
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.p_service_uuid = example_service_uuid128,
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.flag = 0x6,
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};
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static esp_ble_adv_params_t example_adv_params = {
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.adv_int_min = 0x100,
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.adv_int_max = 0x100,
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.adv_type = ADV_TYPE_IND,
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.own_addr_type = BLE_ADDR_TYPE_PUBLIC,
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//.peer_addr =
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//.peer_addr_type =
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.channel_map = ADV_CHNL_ALL,
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.adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
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};
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#define WIFI_LIST_NUM 10
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static wifi_config_t sta_config;
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static wifi_config_t ap_config;
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/* FreeRTOS event group to signal when we are connected & ready to make a request */
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static EventGroupHandle_t wifi_event_group;
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/* The event group allows multiple bits for each event,
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but we only care about one event - are we connected
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to the AP with an IP? */
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const int CONNECTED_BIT = BIT0;
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/* store the station info for send back to phone */
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static bool gl_sta_connected = false;
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static uint8_t gl_sta_bssid[6];
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static uint8_t gl_sta_ssid[32];
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static int gl_sta_ssid_len;
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/* connect infor*/
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static uint8_t server_if;
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static uint16_t conn_id;
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static esp_err_t example_net_event_handler(void *ctx, system_event_t *event)
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{
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wifi_mode_t mode;
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switch (event->event_id) {
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case SYSTEM_EVENT_STA_START:
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esp_wifi_connect();
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break;
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case SYSTEM_EVENT_STA_GOT_IP: {
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esp_blufi_extra_info_t info;
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xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
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esp_wifi_get_mode(&mode);
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memset(&info, 0, sizeof(esp_blufi_extra_info_t));
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memcpy(info.sta_bssid, gl_sta_bssid, 6);
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info.sta_bssid_set = true;
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info.sta_ssid = gl_sta_ssid;
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info.sta_ssid_len = gl_sta_ssid_len;
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esp_blufi_send_wifi_conn_report(mode, ESP_BLUFI_STA_CONN_SUCCESS, 0, &info);
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break;
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}
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case SYSTEM_EVENT_STA_CONNECTED:
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gl_sta_connected = true;
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memcpy(gl_sta_bssid, event->event_info.connected.bssid, 6);
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memcpy(gl_sta_ssid, event->event_info.connected.ssid, event->event_info.connected.ssid_len);
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gl_sta_ssid_len = event->event_info.connected.ssid_len;
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break;
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case SYSTEM_EVENT_STA_DISCONNECTED:
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/* This is a workaround as ESP32 WiFi libs don't currently
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auto-reassociate. */
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gl_sta_connected = false;
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memset(gl_sta_ssid, 0, 32);
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memset(gl_sta_bssid, 0, 6);
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gl_sta_ssid_len = 0;
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esp_wifi_connect();
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xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
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break;
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case SYSTEM_EVENT_AP_START:
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esp_wifi_get_mode(&mode);
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/* TODO: get config or information of softap, then set to report extra_info */
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if (gl_sta_connected) {
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esp_blufi_send_wifi_conn_report(mode, ESP_BLUFI_STA_CONN_SUCCESS, 0, NULL);
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} else {
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esp_blufi_send_wifi_conn_report(mode, ESP_BLUFI_STA_CONN_FAIL, 0, NULL);
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}
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break;
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default:
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break;
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}
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return ESP_OK;
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}
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static void initialise_wifi(void)
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{
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tcpip_adapter_init();
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wifi_event_group = xEventGroupCreate();
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ESP_ERROR_CHECK( esp_event_loop_init(example_net_event_handler, NULL) );
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wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
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ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
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ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
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ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
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ESP_ERROR_CHECK( esp_wifi_start() );
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}
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static esp_blufi_callbacks_t example_callbacks = {
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.event_cb = example_event_callback,
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.negotiate_data_handler = blufi_dh_negotiate_data_handler,
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.encrypt_func = blufi_aes_encrypt,
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.decrypt_func = blufi_aes_decrypt,
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.checksum_func = blufi_crc_checksum,
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};
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static void example_event_callback(esp_blufi_cb_event_t event, esp_blufi_cb_param_t *param)
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{
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/* actually, should post to blufi_task handle the procedure,
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* now, as a example, we do it more simply */
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switch (event) {
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case ESP_BLUFI_EVENT_INIT_FINISH:
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BLUFI_INFO("BLUFI init finish\n");
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esp_ble_gap_set_device_name(BLUFI_DEVICE_NAME);
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esp_ble_gap_config_adv_data(&example_adv_data);
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break;
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case ESP_BLUFI_EVENT_DEINIT_FINISH:
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BLUFI_INFO("BLUFI deinit finish\n");
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break;
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case ESP_BLUFI_EVENT_BLE_CONNECT:
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BLUFI_INFO("BLUFI ble connect\n");
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server_if=param->connect.server_if;
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conn_id=param->connect.conn_id;
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esp_ble_gap_stop_advertising();
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blufi_security_deinit();
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blufi_security_init();
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break;
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case ESP_BLUFI_EVENT_BLE_DISCONNECT:
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BLUFI_INFO("BLUFI ble disconnect\n");
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esp_ble_gap_start_advertising(&example_adv_params);
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break;
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case ESP_BLUFI_EVENT_SET_WIFI_OPMODE:
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BLUFI_INFO("BLUFI Set WIFI opmode %d\n", param->wifi_mode.op_mode);
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ESP_ERROR_CHECK( esp_wifi_set_mode(param->wifi_mode.op_mode) );
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break;
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case ESP_BLUFI_EVENT_REQ_CONNECT_TO_AP:
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BLUFI_INFO("BLUFI requset wifi connect to AP\n");
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esp_wifi_connect();
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break;
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case ESP_BLUFI_EVENT_REQ_DISCONNECT_FROM_AP:
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BLUFI_INFO("BLUFI requset wifi disconnect from AP\n");
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esp_wifi_disconnect();
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break;
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case ESP_BLUFI_EVENT_GET_WIFI_STATUS: {
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wifi_mode_t mode;
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esp_blufi_extra_info_t info;
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esp_wifi_get_mode(&mode);
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if (gl_sta_connected ) {
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memset(&info, 0, sizeof(esp_blufi_extra_info_t));
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memcpy(info.sta_bssid, gl_sta_bssid, 6);
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info.sta_bssid_set = true;
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info.sta_ssid = gl_sta_ssid;
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info.sta_ssid_len = gl_sta_ssid_len;
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esp_blufi_send_wifi_conn_report(mode, ESP_BLUFI_STA_CONN_SUCCESS, 0, &info);
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} else {
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esp_blufi_send_wifi_conn_report(mode, ESP_BLUFI_STA_CONN_FAIL, 0, NULL);
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}
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BLUFI_INFO("BLUFI get wifi status from AP\n");
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break;
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}
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case ESP_BLUFI_EVENT_RECV_SLAVE_DISCONNECT_BLE:
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BLUFI_INFO("blufi close a gatt connection");
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esp_blufi_close(server_if,conn_id);
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break;
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case ESP_BLUFI_EVENT_DEAUTHENTICATE_STA:
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/* TODO */
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break;
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case ESP_BLUFI_EVENT_RECV_STA_BSSID:
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memcpy(sta_config.sta.bssid, param->sta_bssid.bssid, 6);
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sta_config.sta.bssid_set = 1;
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esp_wifi_set_config(WIFI_IF_STA, &sta_config);
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BLUFI_INFO("Recv STA BSSID %s\n", sta_config.sta.ssid);
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break;
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case ESP_BLUFI_EVENT_RECV_STA_SSID:
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strncpy((char *)sta_config.sta.ssid, (char *)param->sta_ssid.ssid, param->sta_ssid.ssid_len);
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sta_config.sta.ssid[param->sta_ssid.ssid_len] = '\0';
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esp_wifi_set_config(WIFI_IF_STA, &sta_config);
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BLUFI_INFO("Recv STA SSID %s\n", sta_config.sta.ssid);
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break;
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case ESP_BLUFI_EVENT_RECV_STA_PASSWD:
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strncpy((char *)sta_config.sta.password, (char *)param->sta_passwd.passwd, param->sta_passwd.passwd_len);
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sta_config.sta.password[param->sta_passwd.passwd_len] = '\0';
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esp_wifi_set_config(WIFI_IF_STA, &sta_config);
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BLUFI_INFO("Recv STA PASSWORD %s\n", sta_config.sta.password);
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break;
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case ESP_BLUFI_EVENT_RECV_SOFTAP_SSID:
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strncpy((char *)ap_config.ap.ssid, (char *)param->softap_ssid.ssid, param->softap_ssid.ssid_len);
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ap_config.ap.ssid_len = param->softap_ssid.ssid_len;
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esp_wifi_set_config(WIFI_IF_AP, &ap_config);
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BLUFI_INFO("Recv SOFTAP SSID %s, ssid len %d\n", ap_config.ap.ssid, ap_config.ap.ssid_len);
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break;
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case ESP_BLUFI_EVENT_RECV_SOFTAP_PASSWD:
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strncpy((char *)ap_config.ap.password, (char *)param->softap_passwd.passwd, param->softap_passwd.passwd_len);
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esp_wifi_set_config(WIFI_IF_AP, &ap_config);
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BLUFI_INFO("Recv SOFTAP PASSWORD %s\n", ap_config.ap.password);
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break;
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case ESP_BLUFI_EVENT_RECV_SOFTAP_MAX_CONN_NUM:
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if (param->softap_max_conn_num.max_conn_num > 4) {
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return;
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}
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ap_config.ap.max_connection = param->softap_max_conn_num.max_conn_num;
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esp_wifi_set_config(WIFI_IF_AP, &ap_config);
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BLUFI_INFO("Recv SOFTAP MAX CONN NUM %d\n", ap_config.ap.max_connection);
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break;
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case ESP_BLUFI_EVENT_RECV_SOFTAP_AUTH_MODE:
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if (param->softap_auth_mode.auth_mode >= WIFI_AUTH_MAX) {
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return;
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}
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ap_config.ap.authmode = param->softap_auth_mode.auth_mode;
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esp_wifi_set_config(WIFI_IF_AP, &ap_config);
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BLUFI_INFO("Recv SOFTAP AUTH MODE %d\n", ap_config.ap.authmode);
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break;
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case ESP_BLUFI_EVENT_RECV_SOFTAP_CHANNEL:
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if (param->softap_channel.channel > 13) {
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return;
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}
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ap_config.ap.channel = param->softap_channel.channel;
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esp_wifi_set_config(WIFI_IF_AP, &ap_config);
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BLUFI_INFO("Recv SOFTAP CHANNEL %d\n", ap_config.ap.channel);
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break;
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case ESP_BLUFI_EVENT_RECV_USERNAME:
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/* Not handle currently */
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break;
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case ESP_BLUFI_EVENT_RECV_CA_CERT:
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/* Not handle currently */
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break;
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case ESP_BLUFI_EVENT_RECV_CLIENT_CERT:
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/* Not handle currently */
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break;
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case ESP_BLUFI_EVENT_RECV_SERVER_CERT:
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/* Not handle currently */
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break;
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case ESP_BLUFI_EVENT_RECV_CLIENT_PRIV_KEY:
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/* Not handle currently */
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break;;
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case ESP_BLUFI_EVENT_RECV_SERVER_PRIV_KEY:
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/* Not handle currently */
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break;
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default:
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break;
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}
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}
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static void example_gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
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{
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switch (event) {
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case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
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esp_ble_gap_start_advertising(&example_adv_params);
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break;
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default:
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break;
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}
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}
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void app_main()
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{
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esp_err_t ret;
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ESP_ERROR_CHECK( nvs_flash_init() );
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initialise_wifi();
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esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
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ret = esp_bt_controller_init(&bt_cfg);
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if (ret) {
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BLUFI_ERROR("%s initialize bt controller failed\n", __func__);
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}
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ret = esp_bt_controller_enable(ESP_BT_MODE_BTDM);
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if (ret) {
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BLUFI_ERROR("%s enable bt controller failed\n", __func__);
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return;
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}
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ret = esp_bluedroid_init();
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if (ret) {
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BLUFI_ERROR("%s init bluedroid failed\n", __func__);
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return;
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}
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ret = esp_bluedroid_enable();
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if (ret) {
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BLUFI_ERROR("%s init bluedroid failed\n", __func__);
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return;
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}
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BLUFI_INFO("BD ADDR: "ESP_BD_ADDR_STR"\n", ESP_BD_ADDR_HEX(esp_bt_dev_get_address()));
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BLUFI_INFO("BLUFI VERSION %04x\n", esp_blufi_get_version());
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blufi_security_init();
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esp_ble_gap_register_callback(example_gap_event_handler);
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esp_blufi_register_callbacks(&example_callbacks);
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esp_blufi_profile_init();
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}
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