125 lines
2.9 KiB
C++
125 lines
2.9 KiB
C++
#include <WiFi.h>
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#include "WifiDevice.h"
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#include "WiFiManager.h"
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#include "../PreferencesKeys.h"
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WifiDevice::WifiDevice(const String& hostname, Preferences* _preferences)
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: NetworkDevice(hostname)
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{
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size_t caLength = _preferences->getString(preference_mqtt_ca,_ca,TLS_CA_MAX_SIZE);
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size_t crtLength = _preferences->getString(preference_mqtt_crt,_cert,TLS_CERT_MAX_SIZE);
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size_t keyLength = _preferences->getString(preference_mqtt_key,_key,TLS_KEY_MAX_SIZE);
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if(caLength > 1) // length is 1 when empty
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{
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Serial.println(F("MQTT over TLS."));
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Serial.println(_ca);
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_wifiClientSecure = new WiFiClientSecure();
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_wifiClientSecure->setCACert(_ca);
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if(crtLength > 1 && keyLength > 1) // length is 1 when empty
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{
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Serial.println(F("MQTT with client certificate."));
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Serial.println(_cert);
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Serial.println(_key);
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_wifiClientSecure->setCertificate(_cert);
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_wifiClientSecure->setPrivateKey(_key);
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}
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_mqttClient = new PubSubClient(*_wifiClientSecure);
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} else
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{
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Serial.println(F("MQTT without TLS."));
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_wifiClient = new WiFiClient();
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_mqttClient = new PubSubClient(*_wifiClient);
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}
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}
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PubSubClient *WifiDevice::mqttClient()
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{
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return _mqttClient;
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}
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void WifiDevice::initialize()
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{
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WiFi.mode(WIFI_STA); // explicitly set mode, esp defaults to STA+AP
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WiFiManager wm;
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std::vector<const char *> wm_menu;
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wm_menu.push_back("wifi");
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wm_menu.push_back("exit");
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wm.setShowInfoUpdate(false);
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wm.setMenu(wm_menu);
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wm.setHostname(_hostname);
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bool res = false;
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if(_cookie.isSet())
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{
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Serial.println(F("Opening WiFi configuration portal."));
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_cookie.clear();
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res = wm.startConfigPortal();
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}
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else
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{
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res = wm.autoConnect(); // password protected ap
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}
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if(!res) {
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Serial.println(F("Failed to connect. Wait for ESP restart."));
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delay(10000);
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ESP.restart();
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}
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else {
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Serial.print(F("WiFi connected: "));
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Serial.println(WiFi.localIP().toString());
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}
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_wifiSSID = wm.getWiFiSSID();
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_wifiPSK = wm.getWiFiPass();
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_mqttClient->setBufferSize(_mqttMaxBufferSize);
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}
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void WifiDevice::reconfigure()
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{
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_cookie.set();
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delay(200);
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ESP.restart();
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}
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void WifiDevice::printError()
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{
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if(_wifiClientSecure != nullptr)
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{
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char lastError[100];
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_wifiClientSecure->lastError(lastError,100);
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Serial.println(lastError);
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}
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Serial.print(F("Free Heap: "));
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Serial.println(ESP.getFreeHeap());
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}
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bool WifiDevice::isConnected()
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{
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return WiFi.isConnected();
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}
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bool WifiDevice::reconnect()
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{
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WiFi.disconnect();
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WiFi.begin(_wifiSSID.c_str(), _wifiPSK.c_str());
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unsigned long timeout = millis() + 5000;
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while(!isConnected() && millis() < timeout)
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{
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delay(100);
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}
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return isConnected();
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}
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void WifiDevice::update()
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{
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}
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