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CO2_Gadget_WIFI.h
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CO2_Gadget_WIFI.h
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#ifndef CO2_Gadget_WIFI
#define CO2_Gadget_WIFI
// clang-format off
/*****************************************************************************************************/
/********* *********/
/********* SETUP WIFI *********/
/********* *********/
/*****************************************************************************************************/
// clang-format on
#include <Arduino.h>
#ifdef SUPPORT_CAPTIVE_PORTAL
DNSServer dnsServer;
#endif
WiFiClient espClient;
AsyncWebServer server(80);
void printSmallChar(char c, int row) {
switch (c) {
case '0':
switch (row) {
case 0:
Serial.print(" 000 ");
break;
case 1:
Serial.print("0 0");
break;
case 2:
Serial.print("0 0");
break;
case 3:
Serial.print("0 0");
break;
case 4:
Serial.print(" 000 ");
break;
}
break;
case '1':
switch (row) {
case 0:
Serial.print(" 1 ");
break;
case 1:
Serial.print(" 11 ");
break;
case 2:
Serial.print(" 1 ");
break;
case 3:
Serial.print(" 1 ");
break;
case 4:
Serial.print(" 111 ");
break;
}
break;
case '2':
switch (row) {
case 0:
Serial.print(" 222 ");
break;
case 1:
Serial.print(" 2");
break;
case 2:
Serial.print(" 22 ");
break;
case 3:
Serial.print(" 2 ");
break;
case 4:
Serial.print(" 2222");
break;
}
break;
case '3':
switch (row) {
case 0:
Serial.print(" 333 ");
break;
case 1:
Serial.print(" 3");
break;
case 2:
Serial.print(" 33 ");
break;
case 3:
Serial.print(" 3");
break;
case 4:
Serial.print(" 333 ");
break;
}
break;
case '4':
switch (row) {
case 0:
Serial.print("4 4");
break;
case 1:
Serial.print("4 4");
break;
case 2:
Serial.print("44444");
break;
case 3:
Serial.print(" 4");
break;
case 4:
Serial.print(" 4");
break;
}
break;
case '5':
switch (row) {
case 0:
Serial.print("55555");
break;
case 1:
Serial.print("5 ");
break;
case 2:
Serial.print("555 ");
break;
case 3:
Serial.print(" 5");
break;
case 4:
Serial.print("555 ");
break;
}
break;
case '6':
switch (row) {
case 0:
Serial.print(" 666 ");
break;
case 1:
Serial.print("6 ");
break;
case 2:
Serial.print("6666 ");
break;
case 3:
Serial.print("6 6");
break;
case 4:
Serial.print(" 666 ");
break;
}
break;
case '7':
switch (row) {
case 0:
Serial.print("77777");
break;
case 1:
Serial.print(" 7");
break;
case 2:
Serial.print(" 7 ");
break;
case 3:
Serial.print(" 7 ");
break;
case 4:
Serial.print(" 7 ");
break;
}
break;
case '8':
switch (row) {
case 0:
Serial.print(" 888 ");
break;
case 1:
Serial.print("8 8");
break;
case 2:
Serial.print(" 888 ");
break;
case 3:
Serial.print("8 8");
break;
case 4:
Serial.print(" 888 ");
break;
}
break;
case '9':
switch (row) {
case 0:
Serial.print(" 999 ");
break;
case 1:
Serial.print("9 9");
break;
case 2:
Serial.print(" 9999");
break;
case 3:
Serial.print(" 9");
break;
case 4:
Serial.print(" 999 ");
break;
}
break;
case '.':
switch (row) {
case 0:
Serial.print(" ");
break;
case 1:
Serial.print(" ");
break;
case 2:
Serial.print(" ");
break;
case 3:
Serial.print(" ");
break;
case 4:
Serial.print(" o ");
break;
}
break;
default:
Serial.print(" "); // Default character for unhandled
break;
}
}
void printLargeASCII(const char *text) {
for (int row = 0; row < 5; row++) { // 5 rows for each character
for (int i = 0; i < strlen(text); i++) {
printSmallChar(text[i], row);
Serial.print(" "); // Space between characters
}
Serial.println(); // New line after each row of characters
}
}
void onWifiSettingsChanged(std::string ssid, std::string password) {
#ifdef WIFI_PRIVACY
Serial.print("-->[WiFi] onWifiSettingsChanged() (SSID: ");
Serial.print(ssid.c_str());
Serial.println(")");
#else
Serial.print("-->[WiFi] onWifiSettingsChanged() (SSID: ");
Serial.print(ssid.c_str());
Serial.print(", Password: ");
Serial.print(password.c_str());
Serial.println(")");
#endif
WiFi.begin(ssid.c_str(), password.c_str());
}
String getMACAddressAsString() {
byte mac[6];
WiFi.macAddress(mac);
String macAddress = String(mac[5], HEX) + ":" +
String(mac[4], HEX) + ":" +
String(mac[3], HEX) + ":" +
String(mac[2], HEX) + ":" +
String(mac[1], HEX) + ":" +
String(mac[0], HEX);
return macAddress;
}
void printDisconnectReason(int reasonCode) {
#ifdef DEBUG_WIFI_EVENTS
switch (reasonCode) {
case WIFI_REASON_UNSPECIFIED:
Serial.println("-->[WiFi-event] Unspecified error");
break;
case WIFI_REASON_AUTH_EXPIRE:
Serial.println("-->[WiFi-event] Authentication expired");
break;
case WIFI_REASON_AUTH_LEAVE:
Serial.println("-->[WiFi-event] Authentication left");
break;
case WIFI_REASON_ASSOC_EXPIRE:
Serial.println("-->[WiFi-event] Association expired");
break;
case WIFI_REASON_ASSOC_TOOMANY:
Serial.println("-->[WiFi-event] Too many associations");
break;
case WIFI_REASON_NOT_AUTHED:
Serial.println("-->[WiFi-event] Not authenticated");
break;
case WIFI_REASON_NOT_ASSOCED:
Serial.println("-->[WiFi-event] Not associated");
break;
case WIFI_REASON_ASSOC_LEAVE:
Serial.println("-->[WiFi-event] Association left");
break;
case WIFI_REASON_ASSOC_NOT_AUTHED:
Serial.println("-->[WiFi-event] Association not authenticated");
break;
case WIFI_REASON_DISASSOC_PWRCAP_BAD:
Serial.println("-->[WiFi-event] Disassociation power capability invalid");
break;
case WIFI_REASON_DISASSOC_SUPCHAN_BAD:
Serial.println("-->[WiFi-event] Disassociation supported channel invalid");
break;
case WIFI_REASON_IE_INVALID:
Serial.println("-->[WiFi-event] Invalid IE");
break;
case WIFI_REASON_MIC_FAILURE:
Serial.println("-->[WiFi-event] MIC failure");
break;
case WIFI_REASON_4WAY_HANDSHAKE_TIMEOUT:
Serial.println("-->[WiFi-event] 4-way handshake timeout");
break;
case WIFI_REASON_GROUP_KEY_UPDATE_TIMEOUT:
Serial.println("-->[WiFi-event] Group key update timeout");
break;
case WIFI_REASON_IE_IN_4WAY_DIFFERS:
Serial.println("-->[WiFi-event] IE in 4-way differs");
break;
case WIFI_REASON_GROUP_CIPHER_INVALID:
Serial.println("-->[WiFi-event] Invalid group cipher");
break;
case WIFI_REASON_PAIRWISE_CIPHER_INVALID:
Serial.println("-->[WiFi-event] Invalid pairwise cipher");
break;
case WIFI_REASON_AKMP_INVALID:
Serial.println("-->[WiFi-event] Invalid AKMP");
break;
case WIFI_REASON_UNSUPP_RSN_IE_VERSION:
Serial.println("-->[WiFi-event] Unsupported RSN IE version");
break;
case WIFI_REASON_INVALID_RSN_IE_CAP:
Serial.println("-->[WiFi-event] Invalid RSN IE capabilities");
break;
case WIFI_REASON_802_1X_AUTH_FAILED:
Serial.println("-->[WiFi-event] 802.1X authentication failed");
break;
case WIFI_REASON_CIPHER_SUITE_REJECTED:
Serial.println("-->[WiFi-event] Cipher suite rejected");
break;
case WIFI_REASON_BEACON_TIMEOUT:
Serial.println("-->[WiFi-event] Beacon timeout");
break;
case WIFI_REASON_NO_AP_FOUND:
Serial.println("-->[WiFi-event] No AP found");
break;
case WIFI_REASON_AUTH_FAIL:
Serial.println("-->[WiFi-event] Authentication failed");
break;
case WIFI_REASON_ASSOC_FAIL:
Serial.println("-->[WiFi-event] Association failed");
break;
case WIFI_REASON_HANDSHAKE_TIMEOUT:
Serial.println("-->[WiFi-event] Handshake timeout");
break;
default:
Serial.println("-->[WiFi-event] Unknown reason");
break;
}
#endif // DEBUG_WIFI_EVENTS
}
void printWiFiStatus() { // Print wifi status on serial monitor
// Get current status
// WL_CONNECTED: assigned when connected to a WiFi network;
// WL_NO_SHIELD: assigned when no WiFi shield is present;
// WL_IDLE_STATUS: it is a temporary status assigned when WiFi.begin() is called and remains active until the number of attempts expires (resulting in WL_CONNECT_FAILED) or a connection is established (resulting in WL_CONNECTED);
// WL_NO_SSID_AVAIL: assigned when no SSID are available;
// WL_SCAN_COMPLETED: assigned when the scan networks is completed;
// WL_CONNECT_FAILED: assigned when the connection fails for all the attempts;
// WL_CONNECTION_LOST: assigned when the connection is lost;
// WL_DISCONNECTED: assigned when disconnected from a network;
Serial.print("-->[WiFi-Status] ");
switch (WiFi.status()) {
case WL_CONNECTED:
Serial.println("WiFi connected");
break;
case WL_NO_SHIELD:
Serial.println("No WiFi HW detected");
break;
case WL_IDLE_STATUS:
Serial.println("Attempting...");
break;
case WL_NO_SSID_AVAIL:
Serial.println("No SSID available");
break;
case WL_SCAN_COMPLETED:
Serial.println("Networks scan completed");
break;
case WL_CONNECT_FAILED:
Serial.println("Connect failed");
break;
case WL_CONNECTION_LOST:
Serial.println("Connection lost");
break;
case WL_DISCONNECTED:
Serial.println("Disconnected");
break;
default:
Serial.println("Unknown status");
break;
}
// Print the SSID of the network you're attached to:
Serial.print("-->[WiFi] SSID: ");
Serial.println(WiFi.SSID());
// Print your WiFi shield's IP address:
Serial.print("-->[WiFi] IP Address: ");
Serial.println(WiFi.localIP());
// Print your WiFi shield's MAC address:
Serial.print("-->[WiFi] MAC Address: ");
MACAddress = getMACAddressAsString();
Serial.println(MACAddress);
// Print the received signal strength:
Serial.print("-->[WiFi] Signal strength (RSSI):");
Serial.print(WiFi.RSSI());
Serial.println(" dBm");
/*
// Print authentication used:
Serial.print("Encryption type: ");
switch (WiFi.encryptionType()) {
case WIFI_AUTH_OPEN:
Serial.println("Open WiFi");
break;
case WIFI_AUTH_WEP:
Serial.println("WEP");
break;
case WIFI_AUTH_WPA_PSK:
Serial.println("WPA-PSK");
break;
case WIFI_AUTH_WPA2_PSK:
Serial.println("WPA2-PSK");
break;
case WIFI_AUTH_WPA_WPA2_PSK:
Serial.println("WPA-WPA2-PSK");
break;
case WIFI_AUTH_WPA2_ENTERPRISE:
Serial.println("WPA2-Enterprise");
break;
default:
Serial.println("Unknown encryption type");
break;
}
*/
}
String getWiFiDisconnectReason(uint8_t reason) {
switch (reason) {
case WIFI_REASON_AUTH_EXPIRE:
return "Auth Expired";
case WIFI_REASON_AUTH_LEAVE:
return "Auth Leave";
case WIFI_REASON_ASSOC_EXPIRE:
return "Association Expired";
case WIFI_REASON_ASSOC_TOOMANY:
return "Too Many Associations";
case WIFI_REASON_NOT_AUTHED:
return "Not Authenticated";
case WIFI_REASON_NOT_ASSOCED:
return "Not Associated";
case WIFI_REASON_ASSOC_LEAVE:
return "Association Leave";
case WIFI_REASON_ASSOC_NOT_AUTHED:
return "Association not Authenticated";
case WIFI_REASON_DISASSOC_PWRCAP_BAD:
return "Disassociate Power Cap Bad";
case WIFI_REASON_DISASSOC_SUPCHAN_BAD:
return "Disassociate Supported Channel Bad";
case WIFI_REASON_IE_INVALID:
return "IE Invalid";
case WIFI_REASON_MIC_FAILURE:
return "Mic Failure";
case WIFI_REASON_4WAY_HANDSHAKE_TIMEOUT:
return "4-Way Handshake Timeout";
case WIFI_REASON_GROUP_KEY_UPDATE_TIMEOUT:
return "Group Key Update Timeout";
case WIFI_REASON_IE_IN_4WAY_DIFFERS:
return "IE In 4-Way Handshake Differs";
case WIFI_REASON_GROUP_CIPHER_INVALID:
return "Group Cipher Invalid";
case WIFI_REASON_PAIRWISE_CIPHER_INVALID:
return "Pairwise Cipher Invalid";
case WIFI_REASON_AKMP_INVALID:
return "AKMP Invalid";
case WIFI_REASON_UNSUPP_RSN_IE_VERSION:
return "Unsupported RSN IE version";
case WIFI_REASON_INVALID_RSN_IE_CAP:
return "Invalid RSN IE Cap";
case WIFI_REASON_802_1X_AUTH_FAILED:
return "802.1x Authentication Failed";
case WIFI_REASON_CIPHER_SUITE_REJECTED:
return "Cipher Suite Rejected";
case WIFI_REASON_BEACON_TIMEOUT:
return "Beacon Timeout";
case WIFI_REASON_NO_AP_FOUND:
return "AP Not Found";
case WIFI_REASON_AUTH_FAIL:
return "Authentication Failed";
case WIFI_REASON_ASSOC_FAIL:
return "Association Failed";
case WIFI_REASON_HANDSHAKE_TIMEOUT:
return "Handshake Failed";
case WIFI_REASON_CONNECTION_FAIL:
return "Connection Failed";
case WIFI_REASON_UNSPECIFIED:
default:
return "Unspecified";
}
}
void WiFiEvent(WiFiEvent_t event, WiFiEventInfo_t info) {
#ifdef DEBUG_WIFI_EVENTS
Serial.printf("-->[WiFi-event] event: %d - ", event);
switch (event) {
case SYSTEM_EVENT_WIFI_READY:
Serial.println("WiFi interface ready");
break;
case SYSTEM_EVENT_SCAN_DONE:
Serial.println("Completed scan for access points");
break;
case SYSTEM_EVENT_STA_START:
Serial.println("WiFi client started");
break;
case SYSTEM_EVENT_STA_STOP:
Serial.println("WiFi clients stopped");
break;
case SYSTEM_EVENT_STA_CONNECTED:
Serial.println("Connected to access point");
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
Serial.println("Disconnected from WiFi access point");
break;
case SYSTEM_EVENT_STA_AUTHMODE_CHANGE:
Serial.println("Authentication mode of access point has changed");
break;
case SYSTEM_EVENT_STA_GOT_IP:
Serial.print("Obtained IP address: ");
Serial.println(WiFi.localIP());
break;
case SYSTEM_EVENT_STA_LOST_IP:
Serial.println("Lost IP address and IP address is reset to 0");
break;
case SYSTEM_EVENT_STA_WPS_ER_SUCCESS:
Serial.println("WiFi Protected Setup (WPS): succeeded in enrollee mode");
break;
case SYSTEM_EVENT_STA_WPS_ER_FAILED:
Serial.println("WiFi Protected Setup (WPS): failed in enrollee mode");
break;
case SYSTEM_EVENT_STA_WPS_ER_TIMEOUT:
Serial.println("WiFi Protected Setup (WPS): timeout in enrollee mode");
break;
case SYSTEM_EVENT_STA_WPS_ER_PIN:
Serial.println("WiFi Protected Setup (WPS): pin code in enrollee mode");
break;
case SYSTEM_EVENT_AP_START:
Serial.println("WiFi access point started");
break;
case SYSTEM_EVENT_AP_STOP:
Serial.println("WiFi access point stopped");
break;
case SYSTEM_EVENT_AP_STACONNECTED:
Serial.println("Client connected");
break;
case SYSTEM_EVENT_AP_STADISCONNECTED:
Serial.println("Client disconnected");
break;
case SYSTEM_EVENT_AP_STAIPASSIGNED:
Serial.println("Assigned IP address to client");
break;
case SYSTEM_EVENT_AP_PROBEREQRECVED:
Serial.println("Received probe request");
break;
case SYSTEM_EVENT_GOT_IP6:
Serial.println("IPv6 is preferred");
break;
case SYSTEM_EVENT_ETH_START:
Serial.println("Ethernet started");
break;
case SYSTEM_EVENT_ETH_STOP:
Serial.println("Ethernet stopped");
break;
case SYSTEM_EVENT_ETH_CONNECTED:
Serial.println("Ethernet connected");
break;
case SYSTEM_EVENT_ETH_DISCONNECTED:
Serial.println("Ethernet disconnected");
break;
case SYSTEM_EVENT_ETH_GOT_IP:
Serial.println("Obtained IP address");
break;
default:
break;
}
#endif // DEBUG_WIFI_EVENTS
}
void initMDNS() {
#ifdef SUPPORT_MDNS
/*use mdns for host name resolution*/
if (!MDNS.begin(hostName.c_str())) { // http://esp32.local
Serial.println("-->[WiFi] Error setting up MDNS responder!");
while (1) {
delay(100);
}
}
// Serial.print("-->[WiFi] mDNS responder started. CO2 Gadget web interface at: http://");
// Serial.print(hostName);
// Serial.println(".local");
// Serial.printf("-->[WiFi] mDNS responder started. CO2 Gadget web interface at: http://%s.local\n", hostName.c_str());
Serial.println("-->[WiFi] mDNS responder started. CO2 Gadget web interface at: http://" + hostName + ".local");
MDNS.addService("http", "tcp", 80);
#endif
}
void disableWiFi() {
WiFi.disconnect(true); // Disconnect from the network
WiFi.mode(WIFI_OFF); // Switch WiFi off
Serial.println("-->[WiFi] WiFi disabled!");
}
// Replaces placeholder with actual values
String processor(const String &var) {
// Serial.println(var);
if (var == "CO2") {
return String(co2);
} else if (var == "TEMPERATURE") {
return String(temp);
} else if (var == "HUMIDITY") {
return String(hum);
}
return String();
}
bool checkStringIsNumerical(String myString) {
uint16_t Numbers = 0;
for (uint16_t i = 0; i < myString.length(); i++) {
if (myString[i] == '0' || myString[i] == '1' || myString[i] == '2' ||
myString[i] == '3' || myString[i] == '4' || myString[i] == '5' ||
myString[i] == '6' || myString[i] == '7' || myString[i] == '8' ||
myString[i] == '9') {
Numbers++;
}
}
if (Numbers == myString.length()) {
return true;
} else {
return false;
}
}
void WiFiStationConnected(WiFiEvent_t event, WiFiEventInfo_t info) {
#ifdef DEBUG_WIFI_EVENTS
Serial.println("-->[WiFi-event] Connected to WiFi access point");
#endif
}
void WiFiStationGotIP(WiFiEvent_t event, WiFiEventInfo_t info) {
WiFiConnectionRetries = 0;
timeTroubledWIFI = 0;
troubledMQTT = false;
troubledWIFI = false;
#ifdef DEBUG_WIFI_EVENTS
Serial.println("-->[WiFi-event] WiFi got IP)");
Serial.print("-->[WiFi-event] IP address: ");
Serial.println(WiFi.localIP());
#endif
}
void WiFiStationDisconnected(WiFiEvent_t event, WiFiEventInfo_t info) {
#ifdef SUPPORT_CAPTIVE_PORTAL
if (captivePortalActive) return;
#endif
++WiFiConnectionRetries;
Serial.println("-->[WiFi] Disconnected from WiFi access point. Reason: " + getWiFiDisconnectReason(info.wifi_sta_disconnected.reason) + " (" + String(info.wifi_sta_disconnected.reason) + ") Retries: " + String(WiFiConnectionRetries) + " of " + String(maxWiFiConnectionRetries));
#ifdef DEBUG_WIFI_EVENTS
Serial.println("-->[WiFi-event] Disconnected from WiFi access point");
Serial.print("-->[WiFi-event] WiFi lost connection. Reason: (");
Serial.print(info.wifi_sta_disconnected.reason);
Serial.print(") ");
printDisconnectReason(info.wifi_sta_disconnected.reason);
Serial.print("-->[WiFi-event] Retries: ");
Serial.print(WiFiConnectionRetries);
Serial.print(" of ");
Serial.println(maxWiFiConnectionRetries);
#endif
if (WiFiConnectionRetries >= maxWiFiConnectionRetries) {
disableWiFi();
troubledWIFI = true;
Serial.println("-->[WiFi-event] WiFi troubled");
timeTroubledWIFI = millis();
#ifdef DEBUG_WIFI_EVENTS
Serial.println("-->[WiFi-event] Not possible to connect to WiFi after " + String(WiFiConnectionRetries) + " tries. Will try later.");
#endif
}
}
String getCO2GadgetFeaturesAsJson() {
JsonDocument doc;
#ifdef SUPPORT_BLE
doc["BLE"] = true;
#else
doc["BLE"] = false;
#endif
#ifdef SUPPORT_BUZZER
doc["Buzzer"] = true;
#else
doc["Buzzer"] = false;
#endif
#ifdef SUPPORT_ESPNOW
doc["ESPNow"] = true;
#else
doc["ESPNow"] = false;
#endif
#ifdef SUPPORT_MDNS
doc["mDNS"] = true;
#else
doc["mDNS"] = false;
#endif
#ifdef SUPPORT_MQTT
doc["MQTT"] = true;
#else
doc["MQTT"] = false;
#endif
#ifdef SUPPORT_MQTT_DISCOVERY
doc["MQTTDiscovery"] = true;
#else
doc["MQTTDiscovery"] = false;
#endif
#ifdef SUPPORT_OTA
doc["OTA"] = true;
#else
doc["OTA"] = false;
#endif
#ifdef SUPPORT_TFT
doc["TFT"] = true;
#else
doc["TFT"] = false;
#endif
#ifdef SUPPORT_EINK
doc["EINK"] = true;
#else
doc["EINK"] = false;
#endif
#ifdef SUPPORT_OLED
doc["OLED"] = true;
#else
doc["OLED"] = false;
#endif
#ifdef SUPPORT_CAPTIVE_PORTAL
doc["CaptivePortal"] = true;
#else
doc["CaptivePortal"] = false;
#endif
String output;
serializeJson(doc, output);
return output;
}
String getCO2GadgetStatusAsJson() {
StaticJsonDocument<512> doc;
doc["mainDeviceSelected"] = mainDeviceSelected;
doc["CO2"] = co2;
doc["Temperature"] = String(temp, 2);
doc["Humidity"] = String(hum, 0);
doc["WiFiStatus"] = WiFi.status();
doc["SSID"] = WiFi.SSID();
#ifndef WIFI_PRIVACY
doc["wifiPass"] = wifiPass;
#endif
doc["IP"] = WiFi.localIP().toString();
doc["RSSI"] = WiFi.RSSI();
doc["MACAddress"] = MACAddress;
doc["hostName"] = hostName;
doc["useStaticIP"] = useStaticIP;
doc["staticIP"] = staticIP.toString();
doc["gateway"] = gateway.toString();
doc["subnet"] = subnet.toString();
doc["dns1"] = dns1.toString();
doc["dns2"] = dns2.toString();
#ifdef SUPPORT_MQTT
doc["rootTopic"] = rootTopic;
doc["discoveryTopic"] = discoveryTopic;
doc["mqttClientId"] = mqttClientId;
doc["mqttBroker"] = mqttBroker;
doc["mqttUser"] = mqttUser;
#ifndef WIFI_PRIVACY
doc["mqttPass"] = mqttPass;
#endif
#ifdef SUPPORT_ESPNOW
char peerAddressString[18];
snprintf(peerAddressString, sizeof(peerAddressString),
"%02X:%02X:%02X:%02X:%02X:%02X",
peerESPNowAddress[0], peerESPNowAddress[1], peerESPNowAddress[2],
peerESPNowAddress[3], peerESPNowAddress[4], peerESPNowAddress[5]);
doc["peerESPNowAddress"] = peerAddressString;
#endif
#endif
doc["activeWIFI"] = activeWIFI;
#ifdef SUPPORT_MQTT
doc["activeMQTT"] = activeMQTT;
#endif
#ifdef SUPPORT_BLE
doc["activeBLE"] = activeBLE;
#endif
#ifdef SUPPORT_OTA
doc["activeOTA"] = activeOTA;
#endif
doc["troubledWiFi"] = troubledWIFI;
#ifdef SUPPORT_MQTT
doc["troubledMQTT"] = troubledMQTT;
#endif
#ifdef SUPPORT_ESPNOW
doc["troubledESPNOW"] = troubledESPNOW;
#endif
doc["measurementInterval"] = measurementInterval;
doc["sampleInterval"] = sampleInterval;
doc["calibrationValue"] = calibrationValue;
doc["pendingCalibration"] = pendingCalibration;
doc["freeHeap"] = ESP.getFreeHeap();
doc["minFreeHeap"] = ESP.getMinFreeHeap();
doc["uptime"] = millis();
String output;
serializeJson(doc, output);
return output;
}
String getCaptivePortalStatusAsJson() {
StaticJsonDocument<256> doc;
doc["captivePortalActive"] = captivePortalActive;
doc["forceCaptivePortalActive"] = forceCaptivePortalActive;
doc["captivePortalNoTimeout"] = captivePortalNoTimeout;
doc["timeCaptivePortalStarted"] = timeCaptivePortalStarted;
doc["timeToWaitForCaptivePortal"] = timeToWaitForCaptivePortal;
if (relaxedSecurity) doc["relaxedSecurity"] = relaxedSecurity;
// timeToWaitForCaptivePortal in seconds timeCaptivePortalStarted in milliseconds captivePortalTimeLeft in seconds
if (captivePortalNoTimeout) { // If Captive Portal is active
doc["captivePortalTimeLeft"] = 0;
} else {
doc["captivePortalTimeLeft"] = (timeToWaitForCaptivePortal - (millis() - timeCaptivePortalStarted) / 1000);
}
if (captivePortalDebug) doc["captivePortalDebug"] = captivePortalDebug;
#ifdef DEBUG_CAPTIVE_PORTAL
// doc["captivePortalDebug"] = true;
#endif
String output;
serializeJson(doc, output);
return output;
}
String getWifiNetworksAsJson() {
StaticJsonDocument<1024> doc;
JsonArray networks = doc.createNestedArray("networks");
int numNetworks = WiFi.scanNetworks();
for (int i = 0; i < numNetworks; i++) {
JsonObject network = networks.createNestedObject();
network["SSID"] = WiFi.SSID(i);
network["RSSI"] = WiFi.RSSI(i);
network["Encryption"] = WiFi.encryptionType(i);
}
String output;
serializeJson(doc, output);
return output;
}
bool handleCaptivePortalSettings(String captivePortalPreferences) {
StaticJsonDocument<256> doc;
DeserializationError error = deserializeJson(doc, captivePortalPreferences);
if (error) {
Serial.print(F("deserializeJson() failed: "));
Serial.println(error.c_str());
return false;
}
#ifdef DEBUG_CAPTIVE_PORTAL
Serial.println("-->[CAPT] Received Captive Portal Settings: " + captivePortalPreferences);
#endif
if (doc.containsKey("captivePortalActive")) {
#ifdef DEBUG_CAPTIVE_PORTAL
// Serial.print("-->[CAPT] Received Captive Portal Settings: ");
// Serial.println(captivePortalPreferences);
Serial.println("-->[CAPT] Received Captive Portal Setting captivePortalActive: " + String(doc["captivePortalActive"] ? "Enabled" : "Disabled") + " (Actual value: " + String(captivePortalActive ? "Enabled" : "Disabled") + ")");
Serial.println("-->[CAPT] Received Captive Portal Setting forceCaptivePortalActive: " + String(doc["forceCaptivePortalActive"] ? "Enabled" : "Disabled") + " (Actual value: " + String(forceCaptivePortalActive ? "Enabled" : "Disabled") + ")");
Serial.println("-->[CAPT] Received Captive Portal Setting captivePortalNoTimeout: " + String(doc["captivePortalNoTimeout"] ? "Enabled" : "Disabled") + " (Actual value: " + String(captivePortalNoTimeout ? "Enabled" : "Disabled") + ")");
Serial.println("-->[CAPT] Received Captive Portal Setting timeCaptivePortalStarted: " + String(doc["timeCaptivePortalStarted"].as<unsigned long>()) + " (Actual value: " + String(timeCaptivePortalStarted) + ")");
Serial.println("-->[CAPT] Received Captive Portal Setting timeToWaitForCaptivePortal: " + String(doc["timeToWaitForCaptivePortal"].as<unsigned long>()) + " (Actual value: " + String(timeToWaitForCaptivePortal) + ")");
Serial.println("-->[CAPT] Received Captive Portal Setting captivePortalDebug: " + String(doc["captivePortalDebug"] ? "Enabled" : "Disabled") + " (Actual value: " + String(captivePortalDebug ? "Enabled" : "Disabled") + ")");
#endif
if ((doc["forceCaptivePortalActive"] == true) && (!forceCaptivePortalActive)) { // If test captive portal is enabled and it was not enabled before
captivePortalActive = true;
forceCaptivePortalActive = true;
timeCaptivePortalStarted = millis();
Serial.println("-->[CAPT] *** Activating Captive Portal for testing");
} else if ((doc["forceCaptivePortalActive"] == false) && (forceCaptivePortalActive)) { // If test captive portal is disabled and it was enabled before
captivePortalActive = false;
forceCaptivePortalActive = false;
Serial.println("-->[CAPT] *** Deactivating Captive Portal for testing");
} else if ((doc["captivePortalActive"] == true) && (!captivePortalActive)) { // If captive portal is enabled and it was not enabled before
captivePortalActive = true;
timeCaptivePortalStarted = millis();
Serial.println("-->[CAPT] *** Activating Captive Portal");
}
#ifdef DEBUG_CAPTIVE_PORTAL
Serial.println("-->[CAPT] Captive Portal enabled for testing: " + String(forceCaptivePortalActive ? "Enabled" : "Disabled"));
Serial.println("-->[CAPT] Captive Portal Active: " + String(captivePortalActive ? "Enabled" : "Disabled"));
#endif
}
if (doc.containsKey("captivePortalNoTimeout")) {
// if captivePortalNoTimeout is being disabled, reset the timeCaptivePortalStarted
if (captivePortalNoTimeout && !doc["captivePortalNoTimeout"]) {
timeCaptivePortalStarted = millis();
}
captivePortalNoTimeout = doc["captivePortalNoTimeout"];
// Print if captive portal timeout is enabled or disabled
Serial.println("-->[CAPT] Captive Portal captivePortalNoTimeout: " + String(captivePortalNoTimeout ? "Enabled" : "Disabled"));
}
if (doc.containsKey("captivePortalDebug")) {
captivePortalDebug = doc["captivePortalDebug"];
// Print if captive portal debug is enabled or disabled
Serial.println("-->[CAPT] Captive Portal Debug: " + String(captivePortalDebug ? "Enabled" : "Disabled"));
}
return true;
}
const char *PARAM_INPUT_1 = "MeasurementInterval";
const char *PARAM_INPUT_2 = "CalibrateCO2";
const char *PARAM_INPUT_3 = "SetVRef";
void initWebServer() {
SPIFFS.begin();
#ifdef DEBUG_WIFI_EVENTS
// Print to serial the free space in the SPIFFS
Serial.print("-->[WEBS] SPIFFS total bytes: ");
Serial.println(SPIFFS.totalBytes());
Serial.print("-->[WEBS] SPIFFS used bytes: ");
Serial.println(SPIFFS.usedBytes());
Serial.print("-->[WEBS] SPIFFS free bytes: ");
Serial.println(SPIFFS.totalBytes() - SPIFFS.usedBytes());
#endif
// server.serveStatic("/", SPIFFS, "/").setDefaultFile("index.html");
// server.serveStatic("/", SPIFFS, "/index.html");
// server.serveStatic("/index.html", SPIFFS, "/index.html");
// server.serveStatic("/preferences.html", SPIFFS, "/preferences.html");
// server.serveStatic("/status.html", SPIFFS, "/status.html");
// server.serveStatic("favicon.ico", SPIFFS, "/favicon.png");
// server.serveStatic("main.js", SPIFFS, "/main.js");
// server.serveStatic("style.css", SPIFFS, "/style.css");
// server.serveStatic("preferences.js", SPIFFS, "/preferences.js");
// server.serveStatic("combined.js", SPIFFS, "/combined.js");
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
if (request != nullptr) {
/** GZIPPED CONTENT ***/
AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/index.html.gz", "text/html");
response->addHeader("Content-Encoding", "gzip");
request->send(response);
} else {
Serial.println("---> [WiFi] Error: request is null");
}
});
server.on("/index.html", HTTP_GET, [](AsyncWebServerRequest *request) {
if (request != nullptr) {
/** GZIPPED CONTENT ***/
AsyncWebServerResponse *response = request->beginResponse(SPIFFS, "/index.html.gz", "text/html");
response->addHeader("Content-Encoding", "gzip");
request->send(response);
} else {
Serial.println("---> [WiFi] Error: request is null");
}
});
server.on("/preferences.html", HTTP_GET, [](AsyncWebServerRequest *request) {
if (request != nullptr) {