150 lines
3.3 KiB
C
150 lines
3.3 KiB
C
bool accessPoint = false;
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bool stationMode = false;
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uint32_t stationModeStart = 0;
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uint32_t apButtonStart = 0;
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bool mDNSActive = false;
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void startAccessPoint();
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void startStationMode();
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void startmDNS();
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void initWiFi()
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{
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WiFi.disconnect();
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WiFi.softAPdisconnect();
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if (mDNSActive)
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{
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MDNS.close();
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mDNSActive = false;
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}
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accessPoint = connectionSettings->flag(AccessPoint);
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stationMode = connectionSettings->flag(StationMode) && connectionSettings->ssid() != nullptr;
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WiFi.mode(accessPoint && stationMode ? WIFI_AP_STA :
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accessPoint ? WIFI_AP :
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stationMode ? WIFI_STA :
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WIFI_OFF);
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if (accessPoint)
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startAccessPoint();
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if (stationMode)
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startStationMode();
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}
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void updateWiFi()
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{
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if (stationModeStart > 0)
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{
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bool isConnected = WiFi.status() == WL_CONNECTED;
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if (isConnected)
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{
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_d("WiFi :: connected, IP address: ");
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_dln(WiFi.localIP());
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stationModeStart = 0;
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startmDNS();
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}
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else if (stationMode && accessPoint &&
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currentTime - stationModeStart >= StationModeTimeout)
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{
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_dln("WiFi :: unable to connect, switching off station mode, status:");
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_dln(WiFi.status());
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#ifdef SerialDebug
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WiFi.printDiag(Serial);
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#endif
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// Connecting to access point is taking too long and is blocking
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// the access point mode, stop trying
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stationMode = false;
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WiFi.disconnect();
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WiFi.mode(WIFI_AP);
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}
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}
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if (!accessPoint)
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{
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if (digitalRead(systemSettings->pinAPButton()) == LOW)
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{
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if (apButtonStart == 0)
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apButtonStart = currentTime;
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else if (currentTime - apButtonStart >= APButtonHoldTime)
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{
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connectionSettings->flag(AccessPoint, true);
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connectionSettings->write();
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startAccessPoint();
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apButtonStart = 0;
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}
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}
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else if (apButtonStart > 0)
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apButtonStart = 0;
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}
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if (mDNSActive)
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MDNS.update();
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}
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void startAccessPoint()
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{
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_dln("WiFi :: starting access point");
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String ssidString = DefaultAPSSIDPrefix + String(ESP.getChipId(), HEX);
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if (WiFi.softAP((const char *)ssidString.c_str()))
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{
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_d("WiFi :: IP address: ");
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_dln(WiFi.softAPIP());
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}
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else
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_d("WiFi :: failed to start soft access point");
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startmDNS();
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}
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void startStationMode()
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{
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_d("WiFi :: starting station mode to: ");
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_dln(connectionSettings->ssid());
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stationModeStart = currentTime;
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if (connectionSettings->hostname() != nullptr)
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WiFi.hostname(connectionSettings->hostname());
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if (WiFi.begin(connectionSettings->ssid(), connectionSettings->password()))
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{
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if (connectionSettings->flag(DHCP))
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// I've had the same issue as described here with config(0, 0, 0):
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// https://stackoverflow.com/questions/40069654/how-to-clear-static-ip-configuration-and-start-dhcp
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wifi_station_dhcpc_start();
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else
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WiFi.config(connectionSettings->ip(), connectionSettings->gateway(), connectionSettings->subnetMask());
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}
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else
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_d("WiFi :: failed to start station mode");
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}
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void startmDNS()
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{
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char* hostname = connectionSettings->hostname();
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if (hostname == nullptr)
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return;
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if (!MDNS.begin(hostname))
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_dln("WiFi :: mDNS setup failed");
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else
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{
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mDNSActive = true;
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_d("WiFi :: mDNS responder started for hostname "); _d(hostname); _dln(".local");
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}
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} |