67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
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#include "Application.h"
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#include <esp_log.h>
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#include <esp_wifi.h>
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#include <freertos/FreeRTOS.h>
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#include <string.h>
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Application *Application::instance() {
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static Application self;
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return &self;
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}
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void Application::initialize() {
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initializeWifi();
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}
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void Application::eventHandler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data) {
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auto self = reinterpret_cast<Application *>(arg);
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if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
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esp_wifi_connect();
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xEventGroupClearBits(self->m_wifiEventGroup, CONNECTED_BIT);
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} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
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xEventGroupSetBits(self->m_wifiEventGroup, CONNECTED_BIT);
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}
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}
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bool Application::wifiConnect(const std::string &ssid, const std::string &password, int timeoutMillisecond) {
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wifi_config_t config = {};
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strlcpy((char *)config.sta.ssid, ssid.c_str(), sizeof(config.sta.ssid));
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if (!password.empty()) {
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strlcpy((char *)config.sta.password, password.c_str(), sizeof(config.sta.password));
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}
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ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
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ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &config));
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esp_wifi_connect();
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int bits =
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xEventGroupWaitBits(m_wifiEventGroup, CONNECTED_BIT, pdFALSE, pdTRUE, timeoutMillisecond / portTICK_PERIOD_MS);
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return (bits & CONNECTED_BIT) != 0;
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}
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void Application::initializeWifi() {
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esp_log_level_set("wifi", ESP_LOG_WARN);
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static bool initialized = false;
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if (initialized) {
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return;
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}
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ESP_ERROR_CHECK(esp_netif_init());
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if (m_wifiEventGroup == nullptr) {
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m_wifiEventGroup = xEventGroupCreate();
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}
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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esp_netif_t *ap_netif = esp_netif_create_default_wifi_ap();
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assert(ap_netif);
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esp_netif_t *sta_netif = esp_netif_create_default_wifi_sta();
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assert(sta_netif);
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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(
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esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, &Application::eventHandler, this));
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ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &Application::eventHandler, this));
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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_NULL));
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ESP_ERROR_CHECK(esp_wifi_start());
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initialized = true;
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}
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