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https://github.com/emsesp/EMS-ESP32.git
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102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
#include <NetworkSettingsService.h>
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using namespace std::placeholders; // for `_1` etc
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NetworkSettingsService::NetworkSettingsService(AsyncWebServer * server, FS * fs, SecurityManager * securityManager)
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: _httpEndpoint(NetworkSettings::read, NetworkSettings::update, this, server, NETWORK_SETTINGS_SERVICE_PATH, securityManager)
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, _fsPersistence(NetworkSettings::read, NetworkSettings::update, this, fs, NETWORK_SETTINGS_FILE)
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, _lastConnectionAttempt(0) {
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addUpdateHandler([&](const String & originId) { reconfigureWiFiConnection(); }, false);
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}
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void NetworkSettingsService::begin() {
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// We want the device to come up in opmode=0 (WIFI_OFF), when erasing the flash this is not the default.
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// If needed, we save opmode=0 before disabling persistence so the device boots with WiFi disabled in the future.
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if (WiFi.getMode() != WIFI_OFF) {
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WiFi.mode(WIFI_OFF);
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}
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// Disable WiFi config persistance and auto reconnect
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WiFi.persistent(false);
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WiFi.setAutoReconnect(false);
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WiFi.mode(WIFI_MODE_MAX);
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WiFi.mode(WIFI_MODE_NULL);
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WiFi.onEvent(std::bind(&NetworkSettingsService::WiFiEvent, this, _1));
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_fsPersistence.readFromFS();
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reconfigureWiFiConnection();
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}
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void NetworkSettingsService::reconfigureWiFiConnection() {
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// reset last connection attempt to force loop to reconnect immediately
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_lastConnectionAttempt = 0;
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// disconnect and de-configure wifi
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if (WiFi.disconnect(true)) {
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_stopping = true;
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}
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}
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void NetworkSettingsService::loop() {
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unsigned long currentMillis = millis();
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if (!_lastConnectionAttempt || (uint32_t)(currentMillis - _lastConnectionAttempt) >= WIFI_RECONNECTION_DELAY) {
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_lastConnectionAttempt = currentMillis;
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manageSTA();
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}
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}
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void NetworkSettingsService::manageSTA() {
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// Abort if already connected, or if we have no SSID
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if (WiFi.isConnected() || _state.ssid.length() == 0) {
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return;
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}
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// Connect or reconnect as required
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WiFi.disconnect(true); // turn radio off
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WiFiMode_t currentWiFiMode = WiFi.getMode();
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if (currentWiFiMode == WIFI_MODE_APSTA || currentWiFiMode == WIFI_MODE_AP) {
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WiFi.mode(WIFI_MODE_AP);
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} else {
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WiFi.mode(WIFI_MODE_NULL);
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}
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if (_state.staticIPConfig) {
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WiFi.config(_state.localIP, _state.gatewayIP, _state.subnetMask, _state.dnsIP1, _state.dnsIP2); // configure for static IP
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}
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WiFi.setHostname(_state.hostname.c_str()); // set hostname
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// www.esp32.com/viewtopic.php?t=12055
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if (_state.bandwidth20) {
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esp_wifi_set_bandwidth((wifi_interface_t)ESP_IF_WIFI_STA, WIFI_BW_HT20);
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} else {
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esp_wifi_set_bandwidth((wifi_interface_t)ESP_IF_WIFI_STA, WIFI_BW_HT40);
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}
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if (_state.nosleep) {
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WiFi.setSleep(false); // turn off sleep - WIFI_PS_NONE
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}
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WiFi.begin(_state.ssid.c_str(), _state.password.c_str()); // attempt to connect to the network
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// set power after wifi is startet, fixed value for C3_V1
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#ifdef BOARD_C3_MINI_V1
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// v1 needs this value, see https://github.com/emsesp/EMS-ESP32/pull/620#discussion_r993173979
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WiFi.setTxPower(WIFI_POWER_8_5dBm); // https://www.wemos.cc/en/latest/c3/c3_mini_1_0_0.html#about-wifi
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#else
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esp_wifi_set_max_tx_power(_state.tx_power * 4);
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#endif
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}
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// handles if wifi stopped
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void NetworkSettingsService::WiFiEvent(WiFiEvent_t event) {
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if (event == ARDUINO_EVENT_WIFI_STA_STOP) {
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if (_stopping) {
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_lastConnectionAttempt = 0;
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_stopping = false;
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}
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}
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// wait 3 seconds before reconnecting
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if (event == ARDUINO_EVENT_WIFI_STA_DISCONNECTED) {
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_lastConnectionAttempt = millis();
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}
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}
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