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- // LCD
- byte customCharSun[] = {B00100, B10001, B01110, B11111, B11111, B01110, B10001, B00100};
- byte customCharMoon[] = {B11000, B01110, B00110, B00111, B00111, B00110, B01110, B11000};
- byte customCharArrowRight[] = {B01000, B01100, B01110, B01111, B01110, B01100, B01000, B00000};
- byte customCharDegC[] = {B01000, B10100, B01000, B00011, B00100, B00100, B00011, B00000};
- byte customCharConn[] = {B00000, B00000, B11100, B00010, B11001, B00101, B10101, B00000};
- byte customCharDisconn[] = {B10001, B01010, B00100, B01010, B10001, B00000, B10000, B00000};
- byte customCharReduction2[] = {B00000, B11111, B01110, B00100, B00000, B11111, B01110, B00100}; //(2 arrows down)
- byte customCharFlame[] = {B00100, B00100, B01010, B01010, B10101, B10101, B10101, B01110};
- //boolean displayActive = false;
- unsigned long displayLastOnMillis = 0;
- void enableDisplay() {
- lcd.backlight();
- displayActive = true;
- displayLastOnMillis = millis();
- }
- void disableDisplay() {
- lcd.noBacklight();
- displayActive = false;
- }
- void extendDisplayTimeout() {
- displayLastOnMillis = millis();
- }
- void handleDisplayTimeout() {
- if (displayActive && (millis() - displayLastOnMillis) > (displayTimeout * 1000)) {
- disableDisplay();
- }
- }
- void initDisplay() {
- lcd.init();
- lcd.createChar(0, customCharMoon);
- lcd.createChar(1, customCharSun);
- lcd.createChar(2, customCharArrowRight);
- lcd.createChar(3, customCharDegC);
- lcd.createChar(4, customCharConn);
- lcd.createChar(5, customCharDisconn);
- lcd.createChar(6, customCharReduction2);
- lcd.createChar(7, customCharFlame);
- lcd.setCursor(0, 0);
- lcd.print("WiFiThermostat ");
- lcd.setCursor(0, 1);
- lcd.print("(c) by FloKra.at");
- // for ( int i = 0; i < 3; i++) {
- // lcd.backlight();
- // delay(200);
- // lcd.noBacklight();
- // delay(200);
- // }
- lcd.backlight();
- //delay(1000);
- ///lcd.clear();
- displayActive = true;
- displayLastOnMillis = millis();
- }
- void displayShowWifiConnected() {
- lcd.setCursor(0, 0);
- lcd.print("WiFi connected ");
- lcd.setCursor(0, 1);
- lcd.print("IP: ");
- lcd.setCursor(4, 1);
- lcd.print(WiFi.localIP());
- lcd.backlight();
- displayActive = true;
- displayLastOnMillis = millis();
- delay(2000);
- }
- void displayShowWifiConnectionError() {
- lcd.setCursor(0, 0);
- lcd.print("WiFi connecting ");
- lcd.setCursor(0, 1);
- lcd.print("FAILED ");
- lcd.backlight();
- displayActive = true;
- displayLastOnMillis = millis();
- delay(2000);
- lcd.setCursor(0, 0);
- lcd.print("AP mode active ");
- lcd.setCursor(0, 1);
- lcd.print(" ");
- lcd.setCursor(0, 1);
- lcd.print(persWM.getApSsid());
- lcd.backlight();
- displayActive = true;
- displayLastOnMillis = millis();
- delay(2000);
-
- lcd.setCursor(0, 0);
- lcd.print("Password: ");
- lcd.setCursor(0, 1);
- lcd.print(" ");
- lcd.setCursor(0, 1);
- lcd.print(wifiAPModePassword);
- lcd.backlight();
- displayActive = true;
- displayLastOnMillis = millis();
- delay(2000);
- }
- void displayShowMQTTConnected() {
- lcd.setCursor(0, 0);
- lcd.print("MQTT connected ");
- lcd.setCursor(0, 1);
- lcd.print(" ");
- lcd.setCursor(0, 1);
- lcd.print(mqtt_server);
- lcd.backlight();
- displayActive = true;
- displayLastOnMillis = millis();
- displayShowFullscreenMsg = true;
- countDisplayInterval = 0;
- //displayInterval_saved = displayInterval; //already done in loadconf2
- displayInterval = displayOverlayMsgTimeout;
- //delay(2000);
- }
- void displayShowMQTTConnectionError() {
- lcd.setCursor(0, 0);
- lcd.print("MQTT connection ");
- lcd.setCursor(0, 1);
- lcd.print("FAILED ");
- lcd.backlight();
- displayActive = true;
- displayLastOnMillis = millis();
- displayShowFullscreenMsg = true;
- countDisplayInterval = 0;
- //displayInterval_saved = displayInterval; //already done in loadconf2
- displayInterval = displayOverlayMsgTimeout;
- //delay(2000);
- }
- void displayShowLine2OverlayMessage(char* msg) {
- lcd.setCursor(0, 1);
- lcd.print(" ");
- lcd.setCursor(0, 1);
- lcd.write((uint8_t)2); // arrow right symbol
- lcd.print(" ");
- lcd.print(msg);
- for (int i = strlen(msg); i < 14; i++) {
- lcd.print(" ");
- }
- displayShowLine2OverlayMsg = true;
- countDisplayInterval = 0;
- //displayInterval_saved = displayInterval; //already done in loadconf2
- displayInterval = displayOverlayMsgTimeout;
- }
- void displayAddConnectionIcon() {
- lcd.setCursor(14, 1);
- lcd.print(" ");
- if (mqttConnected) lcd.write((uint8_t)4); // connected symbol
- else lcd.write((uint8_t)5); // disconnected symbol
- }
- void updateDisplay() {
- if (displayShowFullscreenMsg) {
- displayShowFullscreenMsg = false;
- displayInterval = displayInterval_saved;
- updateDisplayImmediately = true;
- }
- else {
- boolean showTemp = false;
- char ch_temp[6];
- char ch_hum[4];
- char tempLabel[2];
- long now = millis();
- if (togglingTempHumAIDisplay) {
- if ( ((now - outTempHumLastUpdate) < maxMeasurementAge) && outTempHumLastUpdate != 0 && whichTempToDisplay == 1 && ((now - lastDisplayToggle) > (displayInterval * 1000)) ) {
- // outside temp has been updated < 5 min ago, last displayed temp was INSIDE and display interval is overdue
- whichTempToDisplay = 2; // 1= I, 2= A
- lastDisplayToggle = now;
- }
- else if ( whichTempToDisplay != 1 && ((now - lastDisplayToggle) > (displayInterval * 1000)) ) {
- whichTempToDisplay = 1; // 1= I, 2= A
- lastDisplayToggle = now;
- }
- lastDisplayUpdate = now;
- if (whichTempToDisplay == 2) { //2 = outside temp/hum received via MQTT
- if ( outTempHumLastUpdate != 0 && (now - outTempHumLastUpdate) < maxMeasurementAge ) {
- showTemp = true;
- dtostrf(outTemp, 5, 1, ch_temp);
- sprintf(ch_hum, "%2i", outHum);
- strcpy(tempLabel, otemplab);
- }
- }
- else {
- if ( lastTempUpdate != 0 && (now - lastTempUpdate) < maxMeasurementAge ) {
- showTemp = true;
- dtostrf(currTemp, 5, 1, ch_temp);
- sprintf(ch_hum, "%2i", currHum);
- strcpy(tempLabel, itemplab);
- }
- }
- // 12345667890123456
- // =20.0° 35% >22.5°
- // A -10.2° 95% N
- // A 22.2° 95% N
- // A 5.2° 95% N
- // LCD line 1
- // print temperature incl = and ° symbol + humidity to lcd, line 1, first 11 chars
- lcd.setCursor(0, 0);
- if (showTemp) {
- //lcd.write(0x3D); // = Zeichen
- lcd.print(tempLabel);
- lcd.print(" ");
- lcd.print(ch_temp);
- //lcd.write(0xDF); // degree symbol
- lcd.write((uint8_t)3); // °C symbol
- lcd.print(" ");
- if (currHum == 0) lcd.print("--");
- else if (currHum < 10) {
- lcd.print(" ");
- lcd.print(ch_hum);
- }
- else {
- lcd.print(ch_hum);
- }
- lcd.print("%");
- lcd.print(" ");
- }
- else {
- lcd.print(" ");
- }
- }
- else { // non toggling temperature I + A display without humidity in line 1
- lcd.setCursor(0, 0);
- lcd.print(itemplab);
- if ( lastTempUpdate != 0 && (now - lastTempUpdate) < maxMeasurementAge ) {
- dtostrf(currTemp, 5, 1, ch_temp);
- lcd.print(ch_temp);
- }
- else {
- lcd.print(" --.-");
- }
- lcd.write((uint8_t)3); // °C symbol
- lcd.print(" ");
- if ( outTempHumLastUpdate != 0 && (now - outTempHumLastUpdate) < maxMeasurementAge ) {
- lcd.print(" ");
- lcd.print(otemplab);
-
- dtostrf(outTemp, 5, 1, ch_temp);
- lcd.print(ch_temp);
- lcd.write((uint8_t)3); // °C symbol
- }
- else {
- lcd.print(" ");
- }
- }
- updateCurrSetTemp();
- char ch_currSetTemp[6];
- dtostrf(currSetTemp, 5, 1, ch_currSetTemp);
- // LCD line 2
- // display target temperature to line 2, 8 chars length incl space at the end
- lcd.setCursor(0, 1);
- if ( doRestart ) {
- lcd.print("Restarting... ");
- }
- else if ( pendingRestart ) {
- lcd.print("Restart? ");
- }
- else if ( heatingMode == 0 ) { // when the heating mode is OFF, do not display target temp - instead show "Heating off" info in line 2
- // 1234567890123456
- lcd.print(" ");
- lcd.setCursor(0, 1);
- lcd.print(offMessage);
- //for(int i=strlen(offMessage); i < 14; i++) {
- //lcd.print(" ");
- //}
- displayAddConnectionIcon();
- }
- else if ( displayShowLine2OverlayMsg ) {
- displayShowLine2OverlayMsg = false;
- displayInterval = displayInterval_saved;
- if (pendingPresetToggle) {
- preset = pendingPreset;
- updateCurrentPresetName();
- pendingPresetToggle = false;
- }
- updateDisplayImmediately = true;
- }
- else {
- lcd.write((uint8_t)2); // arrow right symbol
- //lcd.print(" ");
- lcd.print(ch_currSetTemp);
- //lcd.write(0xDF); // degree symbol
- lcd.write((uint8_t)3); // °C symbol
-
- lcd.print(" ");
- lcd.setCursor(8, 1);
- lcd.print(" ");
- // display status info to line 2 from char 9 -> 8 chars length
- lcd.setCursor(9, 1);
- if ( preset == 0 ) { // day/normal mode
- lcd.write((uint8_t)1); // sun symbol if mode is day/normal
- }
- else if ( preset == 1 ) { // night/reduction mode
- lcd.write((uint8_t)0); // moon symbol if mode is night/reduction
- }
- else if ( preset == 2 ) { // night/reduction mode
- lcd.write((uint8_t)6); // reduction 2 (2 arrows down) symbol if mode is reduction 2
- }
- lcd.setCursor(12, 1);
- if (turnHeatingOn) {
- lcd.write((uint8_t)7); // flame symbol if heating is active
- }
- else {
- lcd.print(" ");
- }
- displayAddConnectionIcon();
- }
- }
- }
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