105 lines
2.3 KiB
C++
105 lines
2.3 KiB
C++
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#include "WifiManager.h"
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void WifiManager::begin(const String &hostname)
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{
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hostname_ = hostname;
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prefs_.begin("st_wifi_manager");
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startWifi();
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}
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void WifiManager::startWifi()
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{
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WiFi.disconnect();
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const String apPassword = prefs_.getString("apPassword", "");
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const String staSSID = prefs_.getString("staSSID", "");
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const String staPassword = prefs_.getString("staPassword", "");
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if (staSSID.length() > 0 && staPassword.length() > 0)
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{
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// station mode
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WiFi.mode(WIFI_STA);
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WiFi.begin(staSSID.c_str(), staPassword.c_str());
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WiFi.setHostname(hostname_.c_str());
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int connectCounter = 0;
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bool successful = true;
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while (WiFi.status() != WL_CONNECTED)
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{
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delay(2000);
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WiFi.begin(staSSID.c_str(), staPassword.c_str());
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connectCounter += 1;
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if (connectCounter >= 60) // for two minutes no connection
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{
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successful = false;
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break; // fallback to AP mode
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}
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}
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state_ = STA;
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if (successful)
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return;
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}
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WiFi.mode(WIFI_AP);
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WiFi.softAPConfig(IPAddress(192, 168, 42, 1), IPAddress(192, 168, 42, 1), IPAddress(255, 255, 255, 0));
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WiFi.softAPsetHostname(hostname_.c_str());
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if (apPassword.length() > 0)
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{
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WiFi.softAP(hostname_.c_str(), apPassword.c_str());
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state_ = AP_SECURE;
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}
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else
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{
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WiFi.softAP(hostname_.c_str());
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state_ = AP_PROVISIONING;
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}
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}
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void WifiManager::setStaCredentials(const char *wifiName, const char *password)
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{
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assert(state_ != INVALID);
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prefs_.putString("staSSID", wifiName);
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prefs_.putString("staPassword", password);
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}
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void WifiManager::setApCredentials(const char *password)
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{
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assert(state_ != INVALID);
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prefs_.remove("staSSID");
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prefs_.remove("staPassword");
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prefs_.putString("apPassword", password);
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}
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void WifiManager::resetToApProvisioning()
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{
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prefs_.remove("apPassword");
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prefs_.remove("staSSID");
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prefs_.remove("staPassword");
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}
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void WifiManager::wifiWatchdog()
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{
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if (state_ == STA && WiFi.status() != WL_CONNECTED) {
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startWifi();
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Serial.println("Connection lost - Restarting WIFI");
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}
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}
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const char * WifiManager::stateToString(WifiManager::State state)
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{
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switch (state)
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{
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case INVALID:
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return "INVALID";
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case STA:
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return "STATION_MODE";
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case AP_PROVISIONING:
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return "AP_PROVISIONING";
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case AP_SECURE:
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return "AP_SECURE";
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default:
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return "";
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};
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}
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