esp-idf/examples/openthread/ot_br/main/esp_br_wifi_cmd.c

174 lines
7.1 KiB
C

/*
* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*
* OpenThread Border Router Example
*
* This example code is in the Public Domain (or CC0 licensed, at your option.)
*
* Unless required by applicable law or agreed to in writing, this
* software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "esp_netif_types.h"
#include "esp_openthread_border_router.h"
#include "esp_check.h"
#include "esp_event.h"
#include "esp_openthread_lock.h"
#include "esp_netif.h"
#include "esp_netif_ip_addr.h"
#include "esp_netif_net_stack.h"
#include "esp_wifi.h"
#include "freertos/event_groups.h"
#include "freertos/FreeRTOS.h"
#include "freertos/portmacro.h"
#include "freertos/task.h"
#include "openthread/cli.h"
static EventGroupHandle_t wifi_event_group;
const int CONNECTED_IP4_BIT = BIT0;
const int CONNECTED_IP6_BIT = BIT1;
static bool s_wifi_connected = false;
void esp_ot_wifi_netif_init(void)
{
esp_netif_t *esp_netif = esp_netif_create_default_wifi_sta();
assert(esp_netif);
}
static void event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data)
{
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
xEventGroupClearBits(wifi_event_group, CONNECTED_IP4_BIT);
xEventGroupClearBits(wifi_event_group, CONNECTED_IP6_BIT);
esp_wifi_connect();
} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
xEventGroupSetBits(wifi_event_group, CONNECTED_IP4_BIT);
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_CONNECTED) {
esp_netif_create_ip6_linklocal(esp_netif_get_handle_from_ifkey("WIFI_STA_DEF"));
} else if (event_base == IP_EVENT && event_id == IP_EVENT_GOT_IP6) {
xEventGroupSetBits(wifi_event_group, CONNECTED_IP6_BIT);
}
}
static void wifi_join(const char *ssid, const char *psk)
{
static bool s_initialized = false;
if (!s_initialized) {
wifi_event_group = xEventGroupCreate();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
esp_wifi_init(&cfg);
ESP_ERROR_CHECK( esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, &event_handler, NULL) );
ESP_ERROR_CHECK( esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL) );
ESP_ERROR_CHECK( esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_CONNECTED, &event_handler, NULL) );
ESP_ERROR_CHECK( esp_event_handler_register(IP_EVENT, IP_EVENT_GOT_IP6, &event_handler, NULL) );
esp_wifi_set_storage(WIFI_STORAGE_RAM);
esp_wifi_set_mode(WIFI_MODE_NULL);
s_initialized = true;
}
esp_wifi_start();
wifi_config_t wifi_config = { 0 };
strncpy((char *) wifi_config.sta.ssid, ssid, sizeof(wifi_config.sta.ssid));
if (psk) {
strncpy((char *) wifi_config.sta.password, psk, sizeof(wifi_config.sta.password));
}
ESP_ERROR_CHECK( esp_wifi_set_ps(WIFI_PS_NONE) );
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK( esp_wifi_set_config(WIFI_IF_STA, &wifi_config) );
esp_wifi_connect();
int bits = xEventGroupWaitBits(wifi_event_group, CONNECTED_IP4_BIT | CONNECTED_IP6_BIT, pdFALSE, pdTRUE, 10000 / portTICK_PERIOD_MS);
if (((bits & CONNECTED_IP4_BIT) != 0) && ((bits & CONNECTED_IP6_BIT) != 0)) {
s_wifi_connected = true;
xEventGroupClearBits(wifi_event_group, CONNECTED_IP4_BIT);
xEventGroupClearBits(wifi_event_group, CONNECTED_IP6_BIT);
esp_event_handler_unregister(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, &event_handler);
esp_event_handler_unregister(WIFI_EVENT, WIFI_EVENT_STA_CONNECTED, &event_handler);
esp_event_handler_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler);
esp_event_handler_unregister(IP_EVENT, IP_EVENT_GOT_IP6, &event_handler);
vEventGroupDelete(wifi_event_group);
s_initialized = false;
esp_openthread_lock_acquire(portMAX_DELAY);
esp_openthread_border_router_init();
esp_openthread_lock_release();
otCliOutputFormat("wifi sta is connected successfully\n");
} else {
esp_wifi_disconnect();
esp_wifi_stop();
ESP_LOGW("","Connection time out, please check your ssid & password, then retry.");
otCliOutputFormat("wifi sta connection is failed\n");
}
}
void esp_ot_process_wifi_sta(void *aContext, uint8_t aArgsLength, char *aArgs[])
{
char ssid[100] = "";
char psk[100] = "";
(void)(aContext);
if (aArgsLength == 0) {
otCliOutputFormat("---wifi sta parameter---\n");
otCliOutputFormat("-s : wifi ssid\n");
otCliOutputFormat("-p : wifi psk\n");
otCliOutputFormat("---example---\n");
otCliOutputFormat("join a wifi:\nssid: threadcertAP \npsk: threadcertAP : sta -s threadcertAP -p threadcertAP\n");
} else {
for (int i = 0; i < aArgsLength; i++) {
if (strcmp(aArgs[i], "-s") == 0) {
i++;
strcpy(ssid, aArgs[i]);
otCliOutputFormat("ssid: %s\n", ssid);
} else if (strcmp(aArgs[i], "-p") == 0) {
i++;
strcpy(psk, aArgs[i]);
otCliOutputFormat("psk: %s\n", psk);
}
}
if (!s_wifi_connected) {
wifi_join(ssid, psk);
} else {
otCliOutputFormat("wifi has already connected\n");
}
}
}
void esp_ot_process_get_wifi_info(void *aContext, uint8_t aArgsLength, char *aArgs[])
{
(void)(aContext);
if (aArgsLength == 0) {
otCliOutputFormat("---get wifi informations---\n");
otCliOutputFormat("-i : get sta addr\n");
otCliOutputFormat("-s : get wifi state, disconnect or connect\n");
} else {
for (int i = 0; i < aArgsLength; i++) {
if (strcmp(aArgs[i], "-i") == 0) {
if (s_wifi_connected) {
esp_netif_ip_info_t local_ip;
char addr_str[128];
esp_netif_get_ip_info(esp_netif_get_handle_from_ifkey("WIFI_STA_DEF"), &local_ip);
ip4addr_ntoa_r((ip4_addr_t *)(&local_ip.ip), addr_str, sizeof(addr_str) - 1);
otCliOutputFormat("inet %s\n");
esp_ip6_addr_t if_ip6;
esp_netif_get_ip6_linklocal(esp_netif_get_handle_from_ifkey("WIFI_STA_DEF"), &if_ip6);
ip6addr_ntoa_r((ip6_addr_t *)(&if_ip6), addr_str, sizeof(addr_str) - 1);
otCliOutputFormat("inet6 %s\n", addr_str);
} else {
otCliOutputFormat("wifi is disconnected\n");
}
} else if (strcmp(aArgs[i], "-s") == 0) {
if (s_wifi_connected) {
otCliOutputFormat("connected\n");
} else {
otCliOutputFormat("disconnected\n");
}
}
}
}
}