src/platform/ESP32/WiFiProvisioning.cpp

/*
 *
 *    Copyright (c) 2020 Project CHIP Authors
 *
 *    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 <lib/support/CodeUtils.h>
#include <lib/support/logging/CHIPLogging.h>
#include <platform/CHIPDeviceLayer.h>
#include <platform/ESP32/ESP32Utils.h>

#include <algorithm>

#include "esp_wifi.h"

#include "WiFiProvisioning.h"

using namespace ::chip::DeviceLayer;

CHIP_ERROR SetWiFiStationProvisioning(const char * ssid, const char * key)
{
    ConnectivityMgr().SetWiFiStationMode(ConnectivityManager::kWiFiStationMode_Disabled);

    wifi_config_t wifiConfig;

    // Set the wifi configuration
    memset(&wifiConfig, 0, sizeof(wifiConfig));
    memcpy(wifiConfig.sta.ssid, ssid, std::min(strlen(ssid) + 1, sizeof(wifiConfig.sta.ssid)));
    memcpy(wifiConfig.sta.password, key, std::min(strlen(key) + 1, sizeof(wifiConfig.sta.password)));
    wifiConfig.sta.scan_method = WIFI_ALL_CHANNEL_SCAN;
    wifiConfig.sta.sort_method = WIFI_CONNECT_AP_BY_SIGNAL;

    // Configure the ESP WiFi interface.
    esp_err_t err = esp_wifi_set_config(WIFI_IF_STA, &wifiConfig);
    if (err != ESP_OK)
    {
        ChipLogError(DeviceLayer, "esp_wifi_set_config() failed: %s", esp_err_to_name(err));
        return chip::DeviceLayer::Internal::ESP32Utils::MapError(err);
    }

    ConnectivityMgr().SetWiFiStationMode(ConnectivityManager::kWiFiStationMode_Disabled);
    ConnectivityMgr().SetWiFiStationMode(ConnectivityManager::kWiFiStationMode_Enabled);

    return CHIP_NO_ERROR;
}