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OVMS3-idf/examples/12_blufi/main/blufi_main.c
Tian Hao 24af07fd13 component/bt : new blufi 
1. new blufi protocol
2. new blufi demo
3. support security
4. support sta/ap/sta_ap
5. support wpa-enterprise
2017-01-05 20:22:35 +08:00

336 lines
12 KiB
C
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event_loop.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "bt.h"
#include "esp_blufi_api.h"
#include "esp_bt_defs.h"
#include "esp_gap_ble_api.h"
#include "esp_bt_main.h"
#include "blufi_demo.h"
static void blufi_event_callback(esp_blufi_cb_event_t event, esp_blufi_cb_param_t *param);
#define BLUFI_DEVICE_NAME "BLUFI_DEVICE"
static uint8_t blufi_service_uuid128[32] = {
/* LSB <--------------------------------------------------------------------------------> MSB */
//first uuid, 16bit, [12],[13] is the value
0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00,
};
//static uint8_t test_manufacturer[TEST_MANUFACTURER_DATA_LEN] = {0x12, 0x23, 0x45, 0x56};
static esp_ble_adv_data_t blufi_adv_data = {
.set_scan_rsp = false,
.include_name = true,
.include_txpower = true,
.min_interval = 0x100,
.max_interval = 0x100,
.appearance = 0x00,
.manufacturer_len = 0,
.p_manufacturer_data = NULL,
.service_data_len = 0,
.p_service_data = NULL,
.service_uuid_len = 16,
.p_service_uuid = blufi_service_uuid128,
.flag = 0x6,
};
static esp_ble_adv_params_t blufi_adv_params = {
.adv_int_min = 0x100,
.adv_int_max = 0x100,
.adv_type = ADV_TYPE_IND,
.own_addr_type = BLE_ADDR_TYPE_PUBLIC,
//.peer_addr =
//.peer_addr_type =
.channel_map = ADV_CHNL_ALL,
.adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
};
#define WIFI_LIST_NUM 10
static wifi_config_t sta_config;
static wifi_config_t ap_config;
/* FreeRTOS event group to signal when we are connected & ready to make a request */
static EventGroupHandle_t wifi_event_group;
/* The event group allows multiple bits for each event,
but we only care about one event - are we connected
to the AP with an IP? */
const int CONNECTED_BIT = BIT0;
/* store the station info for send back to phone */
static bool gl_sta_connected = false;
static uint8_t gl_sta_bssid[6];
static uint8_t gl_sta_ssid[32];
static int gl_sta_ssid_len;
static esp_err_t event_handler(void *ctx, system_event_t *event)
{
wifi_mode_t mode;
switch (event->event_id) {
case SYSTEM_EVENT_STA_START:
esp_wifi_connect();
break;
case SYSTEM_EVENT_STA_GOT_IP: {
esp_blufi_extra_info_t info;
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
esp_wifi_get_mode(&mode);
memset(&info, 0, sizeof(esp_blufi_extra_info_t));
memcpy(info.sta_bssid, gl_sta_bssid, 6);
info.sta_bssid_set = true;
info.sta_ssid = gl_sta_ssid;
info.sta_ssid_len = gl_sta_ssid_len;
esp_blufi_send_wifi_conn_report(mode, ESP_BLUFI_STA_CONN_SUCCESS, 0, &info);
break;
}
case SYSTEM_EVENT_STA_CONNECTED:
gl_sta_connected = true;
memcpy(gl_sta_bssid, event->event_info.connected.bssid, 6);
memcpy(gl_sta_ssid, event->event_info.connected.ssid, event->event_info.connected.ssid_len);
gl_sta_ssid_len = event->event_info.connected.ssid_len;
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
/* This is a workaround as ESP32 WiFi libs don't currently
auto-reassociate. */
gl_sta_connected = false;
memset(gl_sta_ssid, 0, 32);
memset(gl_sta_bssid, 0, 6);
gl_sta_ssid_len = 0;
esp_wifi_connect();
xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
break;
case SYSTEM_EVENT_AP_START:
esp_wifi_get_mode(&mode);
/* TODO: get config or information of softap, then set to report extra_info */
if (gl_sta_connected) {
esp_blufi_send_wifi_conn_report(mode, ESP_BLUFI_STA_CONN_SUCCESS, 0, NULL);
} else {
esp_blufi_send_wifi_conn_report(mode, ESP_BLUFI_STA_CONN_FAIL, 0, NULL);
}
break;
default:
break;
}
return ESP_OK;
}
static void initialise_wifi(void)
{
tcpip_adapter_init();
wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK( esp_wifi_start() );
}
static esp_blufi_callbacks_t blufi_callbacks = {
.event_cb = blufi_event_callback,
.negotiate_data_handler = blufi_dh_negotiate_data_handler,
.encrypt_func = blufi_aes_encrypt,
.decrypt_func = blufi_aes_decrypt,
.checksum_func = blufi_crc_checksum,
};
static void blufi_event_callback(esp_blufi_cb_event_t event, esp_blufi_cb_param_t *param)
{
/* actually, should post to blufi_task handle the procedure,
* now, as a demo, we do simplely */
switch (event) {
case ESP_BLUFI_EVENT_INIT_FINISH:
BLUFI_INFO("BLUFI init finish\n");
esp_ble_gap_set_device_name(BLUFI_DEVICE_NAME);
esp_ble_gap_config_adv_data(&blufi_adv_data);
break;
case ESP_BLUFI_EVENT_DEINIT_FINISH:
BLUFI_INFO("BLUFI init finish\n");
break;
case ESP_BLUFI_EVENT_BLE_CONNECT:
BLUFI_INFO("BLUFI ble connect\n");
esp_ble_gap_stop_advertising();
blufi_security_deinit();
blufi_security_init();
break;
case ESP_BLUFI_EVENT_BLE_DISCONNECT:
BLUFI_INFO("BLUFI ble disconnect\n");
esp_ble_gap_start_advertising(&blufi_adv_params);
break;
case ESP_BLUFI_EVENT_SET_WIFI_OPMODE:
BLUFI_INFO("BLUFI Set WIFI opmode %d\n", param->wifi_mode.op_mode);
ESP_ERROR_CHECK( esp_wifi_set_mode(param->wifi_mode.op_mode) );
break;
case ESP_BLUFI_EVENT_REQ_CONNECT_TO_AP:
BLUFI_INFO("BLUFI requset wifi connect to AP\n");
esp_wifi_connect();
break;
case ESP_BLUFI_EVENT_REQ_DISCONNECT_FROM_AP:
BLUFI_INFO("BLUFI requset wifi disconnect from AP\n");
esp_wifi_disconnect();
break;
case ESP_BLUFI_EVENT_GET_WIFI_STATUS: {
wifi_mode_t mode;
esp_blufi_extra_info_t info;
esp_wifi_get_mode(&mode);
if (gl_sta_connected ) {
memset(&info, 0, sizeof(esp_blufi_extra_info_t));
memcpy(info.sta_bssid, gl_sta_bssid, 6);
info.sta_bssid_set = true;
info.sta_ssid = gl_sta_ssid;
info.sta_ssid_len = gl_sta_ssid_len;
esp_blufi_send_wifi_conn_report(mode, ESP_BLUFI_STA_CONN_SUCCESS, 0, &info);
} else {
esp_blufi_send_wifi_conn_report(mode, ESP_BLUFI_STA_CONN_FAIL, 0, NULL);
}
BLUFI_INFO("BLUFI get wifi status from AP\n");
break;
}
case ESP_BLUFI_EVENT_DEAUTHENTICATE_STA:
/* TODO */
break;
case ESP_BLUFI_EVENT_RECV_STA_BSSID:
memcpy(sta_config.sta.bssid, param->sta_bssid.bssid, 6);
sta_config.sta.bssid_set = 1;
esp_wifi_set_config(WIFI_IF_STA, &sta_config);
BLUFI_INFO("Recv STA BSSID %s\n", sta_config.sta.ssid);
break;
case ESP_BLUFI_EVENT_RECV_STA_SSID:
strncpy((char *)sta_config.sta.ssid, (char *)param->sta_ssid.ssid, param->sta_ssid.ssid_len);
sta_config.sta.ssid[param->sta_ssid.ssid_len] = '\0';
esp_wifi_set_config(WIFI_IF_STA, &sta_config);
BLUFI_INFO("Recv STA SSID %s\n", sta_config.sta.ssid);
break;
case ESP_BLUFI_EVENT_RECV_STA_PASSWD:
strncpy((char *)sta_config.sta.password, (char *)param->sta_passwd.passwd, param->sta_passwd.passwd_len);
sta_config.sta.password[param->sta_passwd.passwd_len] = '\0';
esp_wifi_set_config(WIFI_IF_STA, &sta_config);
BLUFI_INFO("Recv STA PASSWORD %s\n", sta_config.sta.password);
break;
case ESP_BLUFI_EVENT_RECV_SOFTAP_SSID:
strncpy((char *)ap_config.ap.ssid, (char *)param->softap_ssid.ssid, param->softap_ssid.ssid_len);
ap_config.ap.ssid_len = param->softap_ssid.ssid_len;
esp_wifi_set_config(WIFI_IF_AP, &ap_config);
BLUFI_INFO("Recv SOFTAP SSID %s, ssid len %d\n", ap_config.ap.ssid, ap_config.ap.ssid_len);
break;
case ESP_BLUFI_EVENT_RECV_SOFTAP_PASSWD:
strncpy((char *)ap_config.ap.password, (char *)param->softap_passwd.passwd, param->softap_passwd.passwd_len);
esp_wifi_set_config(WIFI_IF_AP, &ap_config);
BLUFI_INFO("Recv SOFTAP PASSWORD %s\n", ap_config.ap.password);
break;
case ESP_BLUFI_EVENT_RECV_SOFTAP_MAX_CONN_NUM:
if (param->softap_max_conn_num.max_conn_num > 4) {
return;
}
ap_config.ap.max_connection = param->softap_max_conn_num.max_conn_num;
esp_wifi_set_config(WIFI_IF_AP, &ap_config);
BLUFI_INFO("Recv SOFTAP MAX CONN NUM %d\n", ap_config.ap.max_connection);
break;
case ESP_BLUFI_EVENT_RECV_SOFTAP_AUTH_MODE:
if (param->softap_auth_mode.auth_mode >= WIFI_AUTH_MAX) {
return;
}
ap_config.ap.authmode = param->softap_auth_mode.auth_mode;
esp_wifi_set_config(WIFI_IF_AP, &ap_config);
BLUFI_INFO("Recv SOFTAP AUTH MODE %d\n", ap_config.ap.authmode);
break;
case ESP_BLUFI_EVENT_RECV_SOFTAP_CHANNEL:
if (param->softap_channel.channel > 13) {
return;
}
ap_config.ap.channel = param->softap_channel.channel;
esp_wifi_set_config(WIFI_IF_AP, &ap_config);
BLUFI_INFO("Recv SOFTAP CHANNEL %d\n", ap_config.ap.channel);
break;
case ESP_BLUFI_EVENT_RECV_USERNAME:
/* Not handle currently */
break;
case ESP_BLUFI_EVENT_RECV_CA_CERT:
/* Not handle currently */
break;
case ESP_BLUFI_EVENT_RECV_CLIENT_CERT:
/* Not handle currently */
break;
case ESP_BLUFI_EVENT_RECV_SERVER_CERT:
/* Not handle currently */
break;
case ESP_BLUFI_EVENT_RECV_CLIENT_PRIV_KEY:
/* Not handle currently */
break;;
case ESP_BLUFI_EVENT_RECV_SERVER_PRIV_KEY:
/* Not handle currently */
break;
default:
break;
}
}
static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
{
switch (event) {
case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
esp_ble_gap_start_advertising(&blufi_adv_params);
break;
default:
break;
}
}
void app_main()
{
esp_err_t ret;
nvs_flash_init();
initialise_wifi();
esp_bt_controller_init();
ret = esp_bluedroid_init();
if (ret) {
BLUFI_ERROR("%s init bluedroid failed\n", __func__);
return;
}
ret = esp_bluedroid_enable();
if (ret) {
BLUFI_ERROR("%s init bluedroid failed\n", __func__);
return;
}
blufi_security_init();
esp_ble_gap_register_callback(gap_event_handler);
esp_blufi_register_callbacks(&blufi_callbacks);
esp_blufi_profile_init();
}
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