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- //#include <Arduino.h>
- #include "version.h"
- #include "firmware_definitions.h"
- #include "settings.h"
- #include "settings_secrets.h"
- // ESP8266 core libs
- #include <ESP8266HTTPUpdateServer.h>
- #include <ESP8266WebServer.h>
- #include <ESP8266WiFi.h>
- #include <ESP8266mDNS.h>
- #include <EEPROM.h>
- #ifdef ENABLE_I2C_INTERFACE
- #include <Wire.h>
- #endif
- #ifdef ENABLE_FEATURE_ARDUINO_OTA
- #include <WiFiUdp.h>
- #include <ArduinoOTA.h>
- #endif
- #ifdef ENABLE_FEATURE_NTP_TIME
- #include <time.h>
- #endif
- // cannot be excluded if unused, throws error even if all
- // references are inactive by preprocessor
- #include <WebSocketsServer.h>
- #ifdef USE_MQTT_TLS
- #include <WiFiClientSecure.h>
- #else
- #include <WiFiClient.h>
- #endif
- // WiFiManager
- #include <PersWiFiManagerExt.h>
- // DNS server used for captive portal in WiFiManager
- #include <DNSServer.h>
- // MQTT client
- #include <PubSubClient.h>
- // File System support - used for config storage (switched from SPIFFS to LittleFS in 12/2021)
- #include "LittleFS.h" // LittleFS is declared
- FSInfo fs_info; // struct for file system infos
- // Json lib - used for web api
- #include <ArduinoJson.h>
- // I2C LCD display
- #ifdef ENABLE_LCD_I2C
- #include <LiquidCrystal_I2C.h>
- #endif
- // DHT22 sensor lib
- #ifdef ENABLE_SENSOR_DHT22
- //#include <Adafruit_Sensor.h> // not needed for used version of DHT library v1.3.8
- #include <DHT.h>
- #endif
- // Dallas OneWire Temperature Sensors
- #ifdef ENABLE_SENSORS_ONEWIRE
- #include <OneWire.h>
- #include <DallasTemperature.h>
-
- // Setup a oneWire instance to communicate with any OneWire devices
- OneWire oneWire(ONE_WIRE_BUS);
- // Pass our oneWire reference to Dallas Temperature sensor
- DallasTemperature oneWireSensors(&oneWire);
- // arrays to hold device addresses
- //DeviceAddress oneWireSensor0, oneWireSensor1, oneWireSensor2;
- DeviceAddress oneWireSensors_IndexToAddress[ONEWIRE_SENSORS_COUNT];
- //DeviceAddress oneWireDevAddress_outside = { 0x28, 0xd7, 0xbd, 0x16, 0x00, 0x00, 0x00, 0xcd };
- //DeviceAddress oneWireDevAddress_feed = { 0x28, 0x75, 0xb2, 0x16, 0x00, 0x00, 0x00, 0x90 };
- //DeviceAddress oneWireDevAddress_return = { 0x28, 0x1f, 0x7a, 0x17, 0x00, 0x00, 0x00, 0x0f };
- //uint8_t oneWireDevAddress_tempFeed[0] = {0x28, 0x75, 0xb2, 0x16, 0x00, 0x00, 0x00, 0x90}; // temp feed
- //uint8_t oneWireDevAddress_tempReturn[] = {0x28, 0x1f, 0x7a, 0x17, 0x00, 0x00, 0x00, 0x0f}; // temp return
- //uint8_t oneWireDevAddress_tempOutside[] = {0x28, 0xd7, 0xbd, 0x16, 0x00, 0x00, 0x00, 0xcd}; // temp outside
- //uint8_t confSens.oneWireDevAddress[ONEWIRE_SENSORS_COUNT][8]; //= {
- // {0x28, 0x75, 0xb2, 0x16, 0x00, 0x00, 0x00, 0x90}, // temp feed
- // {0x28, 0x1f, 0x7a, 0x17, 0x00, 0x00, 0x00, 0x0f}, // temp return
- // {0x28, 0xd7, 0xbd, 0x16, 0x00, 0x00, 0x00, 0xcd} // temp outside
- //};
- // -> moved to struct confSens
- uint8_t oneWireSensor_assignedDevToIndex[ONEWIRE_SENSORS_COUNT] = {255, 255, 255};
- //uint8_t oneWireDevAddressToSensor[ONEWIRE_SENSORS_COUNT];
- //float tempFeed, tempReturn, tempOutside;
- #endif
- #ifdef ENABLE_I2C_PORTEXPANDER
- #include <PCF8574.h>
- PCF8574 pcf8574(PCF8574_I2C_ADDRESS, PIN_I2C_SDA, PIN_I2C_SCL);
- #endif
- //#ifdef ENABLE_INPUT_BUTTONS
- // can not be excluded if unused, throws compile error
- // even when all references are also deactivated by preprocessor
- #include <Button.h>
- #include <PushButton.h>
- #include <Bounce2.h>
- #include <ButtonEventCallback.h>
- //#endif
- #ifdef LANG_DE
- #include "strings_progmem_DE.h"
- #else
- #include "strings_progmem.h"
- #endif
- //---------------------------------------------------------------------------------------------------------------------------------------------
- #include "globalVars_conf.h"
- #include "globalVars.h"
- #ifdef FIRMWARE_VARIANT_THERMOSTAT
- #include "globalVars_conf_thermostat.h"
- #include "globalVars_thermostat.h"
- #endif
- #ifdef FIRMWARE_VARIANT_HEATCONTROL
- #include "globalVars_heatcontrol.h"
- #include "globalVars_conf_heatcontrol.h"
-
- #ifdef LANG_DE
- #include "heatcontrol_strings_DE.h"
- #else
- #include "heatcontrol_strings.h"
- #endif
- #endif
- #ifdef ENABLE_INPUT_BUTTONS
- PushButton buttonMode = PushButton(PIN_BUTTON_MODE, ENABLE_INTERNAL_PULLUP);
-
- #ifdef FIRMWARE_VARIANT_THERMOSTAT
- PushButton buttonPlus = PushButton(PIN_BUTTON_PLUS, ENABLE_INTERNAL_PULLUP);
- PushButton buttonMinus = PushButton(PIN_BUTTON_MINUS, ENABLE_INTERNAL_PULLUP);
- #endif
-
- #ifdef ENABLE_SENSOR_PIR
- PushButton pirSensor = PushButton(PIN_PIRSENSOR, PRESSED_WHEN_HIGH);
- #endif
- #endif
- #ifdef ENABLE_SENSOR_DHT22
- DHT dht(PIN_DHTSENSOR, DHTTYPE);
- #endif
- #ifdef ENABLE_LCD_I2C
- LiquidCrystal_I2C lcd(LCDADDR, LCDCOLS, LCDLINES);
- #ifdef LANG_DE
- #include "strings_display_DE.h"
- #else
- #include "strings_display.h"
- #endif
- #endif
- #ifdef USE_MQTT_TLS
- //WiFiClientSecure wifiClient;
- BearSSL::WiFiClientSecure wifiClient;
- #else
- WiFiClient wifiClient;
- #endif
- PubSubClient mqttclient(wifiClient);
- ESP8266WebServer httpServer(80);
- // WebSockets Console
- #ifdef ENABLE_FEATURE_WSCONSOLE
- WebSocketsServer webSocket(81);
- unsigned long int wsValidSessionId = 0;
- #endif
- DNSServer dnsServer;
- PersWiFiManager persWM(httpServer, dnsServer);
- #ifdef ENABLE_FEATURE_HTTP_UPDATER
- ESP8266HTTPUpdateServer httpUpdater;
- #endif
- // FUNCTION PROTOTYPES
- #ifdef ENABLE_FEATURE_NTP_TIME
- void updateTime();
- bool setupTime();
- void syncClock(bool force = false);
- #endif
- char *getUptimeStr(bool includeSeconds = false);
- void sendLog(const char *msg, uint8_t loglevel = 1);
- void sendLog(const __FlashStringHelper *msg, uint8_t loglevel = 1);
- void mqttCallback(char *topic, byte *payload, uint16_t length);
- char *getTimeStringFromSeconds(unsigned int inSeconds);
- #ifdef FIRMWARE_VARIANT_THERMOSTAT
- void thermostat_publishCurrentValues(bool force = false);
- #endif
- // END - FUNCTION PROTOTYPES
- // MAIN FUNCTIONS
- void setup()
- {
- conf_restoreDebugMode();
- Serial.begin(SERIAL_BAUDRATE);
- delay(50);
- if(debug) {
- Serial.println();
- Serial.print(PGMStr_FIRMWARE_NAME);
- Serial.print(F(" v"));
- Serial.print(PGMStr_FIRMWARE_VERSION);
- Serial.println(F(" starting..."));
- Serial.print("DEBUG=");
- Serial.println(debug);
- }
- #ifdef ENABLE_I2C_INTERFACE
- Wire.begin(PIN_I2C_SDA, PIN_I2C_SCL);
- #endif
- #ifdef FIRMWARE_VARIANT_THERMOSTAT
- thermostat_setup();
- #endif
-
- #ifdef ENABLE_INPUT_BUTTONS
- setupInputsButtons();
- #endif
- // set conf default values
- loadConf_defaults();
-
- if(debug) {
- snprintf_P(logBuf, LOG_BUFFER_SIZE, PGMStr_conf_defaultsLoaded);
- sendLog(logBuf);
- }
- #ifdef ENABLE_LCD_I2C
- display_init();
- #endif
- // LittleFS
- if(debug) {
- snprintf_P(logBuf, LOG_BUFFER_SIZE, PGMStr_filesystem_mounting);
- sendLog(logBuf, LOGLEVEL_ERROR);
- }
- if (!LittleFS.begin())
- {
- snprintf_P(logBuf, LOG_BUFFER_SIZE, PGMStr_filesystem_mounting_error);
- sendLog(logBuf, LOGLEVEL_ERROR);
- return;
- }
- #ifdef FORCE_FILESYSTEM_FORMAT
- FS_format();
- #endif
- FS_formatIfIsnt();
- if(debug) {
- FS_listFiles();
- }
- #ifdef ENABLE_FEATURE_SECRETS_ENCRYPTION
- confCheckEncrypted();
- #endif
- loadConf_all();
-
- // if configuration returned empty strings - use the defaults where a values
- // is necessary if (strlen(deviceName) < 4) strlcpy(deviceName, DEVICE_NAME,
- // 31);
- loadConf_restoreDefaultWhenMissing();
- #ifdef FIRMWARE_VARIANT_THERMOSTAT
- thermostat_loadSavedValues();
- thermostat_updateCurrentHeatingModeName();
- thermostat_updateCurrentPresetName();
- #endif
- // initialize DHT11/22 temp/hum sensor
- #ifdef ENABLE_SENSOR_DHT22
- dht.begin();
- #endif
- // Start the DS18B20 sensor
- #ifdef ENABLE_SENSORS_ONEWIRE
- oneWireSensors_setup();
- oneWireSensors_loadAssignments();
- #endif
- #ifdef ENABLE_I2C_PORTEXPANDER
- portexpander_setup();
- #endif
- if (strlen(confDevWiFi.hostName) >= 4)
- { // if no hostname is set WiFi manager will create a unique one automatically
- // based on MAC address
- WiFi.hostname(confDevWiFi.hostName);
- }
- // optional code handlers to run everytime wifi is connected...
- persWM.onConnect([]() {
- //Serial.print(F("WiFi: connected to '"));
- //Serial.print(WiFi.SSID());
- //Serial.print(F("' with IP: "));
- //Serial.println(WiFi.localIP());
- //char buf[60];
- //sprintf(buf, "%s: %s '%s' %s: '%s'", PGMStr_WiFi, PGMStr_connectedTo, WiFi.SSID().c_str(), PGMStr_withIP, WiFi.localIP().toString().c_str());
- //sendLog(buf, LOGLEVEL_INFO);
- printIpcfg();
- WifiInApMode = false;
- #ifdef ENABLE_FEATURE_NTP_TIME
- if (confTime.ntpEnable) setupTime();
- #endif
- #ifdef ENABLE_LCD_I2C
- display_showWifiConnected();
- #endif
- });
- //...or AP mode is started
- persWM.onAp([]() {
- snprintf_P(logBuf, LOG_BUFFER_SIZE, PGMStr_setup_APmode_started, PGMStr_WiFi, persWM.getApSsid().c_str(), confSecrets.WiFiAPModePassword);
- sendLog(logBuf, LOGLEVEL_INFO);
- WifiInApMode = true;
- WifiApModeStartedAt = millis();
- #ifdef ENABLE_LCD_I2C
- display_showWifiConnectionError();
- #endif
- });
- persWM.onApOff([]() {
- snprintf_P(logBuf, LOG_BUFFER_SIZE, PGMStr_setup_APmode_stopped, PGMStr_WiFi);
- sendLog(logBuf, LOGLEVEL_INFO);
- });
- // sets network name and password for AP mode
- if (strlen(confDevWiFi.deviceName) >= 8)
- strlcpy(confDevWiFi.WiFiAPModeSSID, confDevWiFi.deviceName, sizeof(confDevWiFi.WiFiAPModeSSID));
- else
- {
- byte mac[6];
- WiFi.macAddress(mac);
- sprintf(confDevWiFi.WiFiAPModeSSID, "%s-%02X%02X", FIRMWARE_SHORTNAME, (uint8_t)mac[4], (uint8_t)mac[5]);
- }
- if (strlen(confSecrets.WiFiAPModePassword) < 5)
- {
- persWM.setApCredentials(confDevWiFi.WiFiAPModeSSID);
- if(debug>0) {
- snprintf_P(logBuf, LOG_BUFFER_SIZE, PGMStr_setup_APmode_openNet, PGMStr_WiFi, confDevWiFi.WiFiAPModeSSID);
- sendLog(logBuf);
- }
- }
- else
- {
- persWM.setApCredentials(confDevWiFi.WiFiAPModeSSID, confSecrets.WiFiAPModePassword);
- if(debug>0) {
- snprintf_P(logBuf, LOG_BUFFER_SIZE, PGMStr_setup_APmode_withPassword, PGMStr_WiFi, confDevWiFi.WiFiAPModeSSID, confSecrets.WiFiAPModePassword);
- sendLog(logBuf, LOGLEVEL_INFO);
- }
- }
- persWM.setWifi1Credentials(confDevWiFi.WiFiSSID1, confSecrets.WiFiPW1);
- persWM.setWifi2Credentials(confDevWiFi.WiFiSSID2, confSecrets.WiFiPW2);
- persWM.setHttpCredentials(confSecrets.http_user, confSecrets.http_pass);
- persWM.setApTimeout(confDevWiFi.WiFiAPModeTimeout);
- persWM.setConnCheckInterval(confDevWiFi.WiFiConnCheckInterval);
- persWM.setForceRetryWifi1Interval(confDevWiFi.WiFiRetryInterval);
- persWM.setRebootOnNoConnect(confDevWiFi.WiFiRebootOnNoConnect);
- // make connecting/disconnecting non-blocking
- persWM.setConnectNonBlock(true);
- // in non-blocking mode, program will continue past this point without waiting
- persWM.begin();
- #ifdef USE_MQTT_TLS
- //randomSeed(micros());
- //wifiClient.setFingerprint(MQTT_TLS_fingerprint);
- wifiClient.setInsecure();
- wifiClient.allowSelfSignedCerts();
- wifiClient.setCiphersLessSecure();
- #endif
- httpServerInit();
- #ifdef ENABLE_FEATURE_ARDUINO_OTA
- if(confDevWiFi.enableArduinoOTA) {
- ArduinoOTA.setPort(ARDUINO_OTA_PORT);
- ArduinoOTA.begin();
- }
- #endif
- #ifdef ENABLE_FEATURE_WSCONSOLE
- if (confWeb.wsConsole) {
- startWebSocketServer();
- }
- #endif
- if (confMqtt.mqtt_enable)
- {
- mqttPrepareSubscribeTopics();
- mqttClientInit();
- }
- snprintf_P(logBuf, LOG_BUFFER_SIZE, PGMStr_system_setupComplete);
- sendLog(logBuf, LOGLEVEL_INFO);
- // get sensor data and do things right on system start
- #ifdef ENABLE_SENSORS_ONEWIRE
- oneWireSensors_getData();
- #endif
-
- #ifdef ENABLE_SENSOR_DHT22
- if (confSens.DHT_enable) DHT_measureTempHum();
- #endif
- #ifdef FIRMWARE_VARIANT_THERMOSTAT
- thermostat_mainFunction();
- #endif
- #ifdef FIRMWARE_VARIANT_HEATCONTROL
- heatcontrol_mainFunction();
- portexpander_readInputs();
- #endif
- } // void setup
- void loop()
- {
- scheduler_checkMillis();
- persWM.handleWiFi(); // in non-blocking mode, handleWiFi must be called in the main loop
- yield();
- mqttHandleConnection();
- yield();
- #ifdef ENABLE_FEATURE_ARDUINO_OTA
- if(confDevWiFi.enableArduinoOTA) {
- ArduinoOTA.handle();
- yield();
- }
- #endif
- outTempHum_updateOnNewValue();
- yield();
- dnsServer.processNextRequest();
- httpServer.handleClient();
- #ifdef ENABLE_INPUT_BUTTONS
- buttonMode.update();
- #ifdef FIRMWARE_VARIANT_THERMOSTAT
- buttonPlus.update();
- buttonMinus.update();
- #endif
- #ifdef ENABLE_SENSOR_PIR
- pirSensor.update();
- #endif
- #endif
- yield();
- evalCmd();
- yield();
- if (Serial.available())
- {
- serialEvent();
- yield();
- }
- #ifdef ENABLE_LCD_I2C
- if (display_updateImmediately)
- {
- display_updateImmediately = false;
- display_update();
- }
- #endif
- #ifdef ENABLE_FEATURE_WSCONSOLE
- if (confWeb.wsConsole)
- {
- if (WiFi.status() == WL_CONNECTED)
- {
- webSocket.loop();
- }
- else
- {
- webSocket.disconnect();
- }
- }
- #endif
- } // void loop
- //#ifdef USE_MQTT_TLS
- //void verifytls() {
- // // Use WiFiClientSecure class to create TLS connection
- // Serial.print(F("MQTT: trying TLS connection to "));
- // Serial.println(confMqtt.mqtt_server);
- // if (!wifiClient.connect(confMqtt.mqtt_server, confMqtt.mqtt_port)) {
- // Serial.println("connection failed");
- // return;
- // }
- //
- // if (wifiClient.verify(MQTT_TLS_fingerprint, confMqtt.mqtt_server)) {
- // Serial.println("certificate matches");
- // } else {
- // Serial.println("certificate doesn't match");
- // }
- //}
- //#endif
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