Added BME280 sensor (#850)

* Added support for H803FW controller

* Create usermod_bme280.cpp

* Create usermod_bme280.cpp

* Added BME280 sensor

* Update readme.md

* Update usermod_bme280.cpp

platformio.ini

@@ -156,6 +156,8 @@ lib_deps =
   #For Dallas sensor uncomment following 2 lines
     DallasTemperature@~3.8.0
     OneWire@~2.3.5
+  #For BME280 sensor uncomment following
+    #BME280@~3.0.0
 lib_ignore =
     AsyncTCP
 

usermods/Enclosure_with_OLED_temp_ESP07/readme.md

@@ -1,36 +1,39 @@
 # Almost universal controller board for outdoor applications
 This usermod is using ideas from @mrVanboy and @400killer
 
-Installation of file: Copy and replace file in wled00 directory
+Installation of file: Copy and replace file in wled00 directory.
+
+For BME280 sensor use usermod_bme280.cpp. Copy to wled00 and rename to usermod.cpp
+
 ## Project repository
 -   [Original repository](https://github.com/srg74/Controller-for-WLED-firmware) - Main controller repository
 ## Features
-*   SSD1306 128x32 and 128x64 I2C OLED display
-*   On screen IP address, SSID and controller status (e.g. ON or OFF, recent effect)
-*   Auto display shutoff for saving display lifetime
-*   Dallas temperature sensor
-*   Reporting temperature to MQTT broker
+-   SSD1306 128x32 and 128x64 I2C OLED display
+-   On screen IP address, SSID and controller status (e.g. ON or OFF, recent effect)
+-   Auto display shutoff for saving display lifetime
+-   Dallas temperature sensor
+-   Reporting temperature to MQTT broker
 
 ## Hardware
 ![Hardware connection](assets/controller.jpg)
 
 ## Functionality checked with
-*   ESP-07S
-*   PlatformIO
-*   SSD1306 128x32 I2C OLED display
-*   DS18B20 (temperature sensor)
-*   KY-022 (infrared receiver)
-*   Push button (N.O. momentary switch)
+-   ESP-07S
+-   PlatformIO
+-   SSD1306 128x32 I2C OLED display
+-   DS18B20 (temperature sensor)
+-   BME280 (temperature, humidity and pressure sensor)
+-   KY-022 (infrared receiver)
+-   Push button (N.O. momentary switch)
 
-### Platformio requirements
-Uncomment `U8g2@~2.27.3`,`DallasTemperature@~3.8.0`,`OneWire@~2.3.5 under` `[common]` section in `platformio.ini`:
+For Dallas sensor uncomment `U8g2@~2.27.3`,`DallasTemperature@~3.8.0`,`OneWire@~2.3.5 under` `[common]` section in `platformio.ini`:
 ```ini
 # platformio.ini
 ...
 [platformio]
 ...
-; default_envs = esp01_1m_full
 default_envs = esp07
+; default_envs = d1_mini
 ...
 [common]
 ...
@@ -43,3 +46,23 @@ lib_deps_external =
   OneWire@~2.3.5
 ...
 ```
+
+For BME280 sensor uncomment `U8g2@~2.27.3`,`BME280@~3.0.0 under` `[common]` section in `platformio.ini`:
+```ini
+# platformio.ini
+...
+[platformio]
+...
+default_envs = esp07
+; default_envs = d1_mini
+...
+[common]
+...
+lib_deps_external =
+  ...
+  #For use SSD1306 OLED display uncomment following
+  U8g2@~2.27.3
+  #For BME280 sensor uncomment following
+  BME280@~3.0.0
+...
+```

usermods/Enclosure_with_OLED_temp_ESP07/usermod_bme280.cpp

@@ -0,0 +1,266 @@
+#include "wled.h"
+#include <Arduino.h>
+#include <U8x8lib.h> // from https://github.com/olikraus/u8g2/
+#include <Wire.h>
+#include <BME280I2C.h> //BME280 sensor
+
+void UpdateBME280Data();
+
+#define Celsius // Show temperature mesaurement in Celcius otherwise is in Fahrenheit 
+BME280I2C bme;    // Default : forced mode, standby time = 1000 ms
+                  // Oversampling = pressure ×1, temperature ×1, humidity ×1, filter off,
+
+#ifdef ARDUINO_ARCH_ESP32 //ESP32 boards
+uint8_t SCL_PIN = 22;
+uint8_t SDA_PIN = 21;
+#else //ESP8266 boards
+uint8_t SCL_PIN = 5;
+uint8_t SDA_PIN = 4;
+// uint8_t RST_PIN = 16; // Uncoment for Heltec WiFi-Kit-8
+#endif
+
+//The SCL and SDA pins are defined here.
+//ESP8266 Wemos D1 mini board use SCL=5 SDA=4 while ESP32 Wemos32 mini board use SCL=22 SDA=21
+#define U8X8_PIN_SCL SCL_PIN
+#define U8X8_PIN_SDA SDA_PIN
+//#define U8X8_PIN_RESET RST_PIN // Uncoment for Heltec WiFi-Kit-8
+
+// If display does not work or looks corrupted check the
+// constructor reference:
+// https://github.com/olikraus/u8g2/wiki/u8x8setupcpp
+// or check the gallery:
+// https://github.com/olikraus/u8g2/wiki/gallery
+// --> First choise of cheap I2C OLED 128X32 0.91"
+U8X8_SSD1306_128X32_UNIVISION_HW_I2C u8x8(U8X8_PIN_NONE, U8X8_PIN_SCL, U8X8_PIN_SDA); // Pins are Reset, SCL, SDA
+// --> Second choise of cheap I2C OLED 128X64 0.96" or 1.3"
+//U8X8_SSD1306_128X64_NONAME_HW_I2C u8x8(U8X8_PIN_NONE, U8X8_PIN_SCL, U8X8_PIN_SDA); // Pins are Reset, SCL, SDA
+// --> Third choise of Heltec WiFi-Kit-8 OLED 128X32 0.91"
+//U8X8_SSD1306_128X32_UNIVISION_HW_I2C u8x8(U8X8_PIN_RESET, U8X8_PIN_SCL, U8X8_PIN_SDA); // Constructor for Heltec WiFi-Kit-8
+// gets called once at boot. Do all initialization that doesn't depend on network here
+
+// BME280 sensor timer
+long tempTimer = millis();
+long lastMeasure = 0;
+
+float SensorPressure(NAN);
+float SensorTemperature(NAN);
+float SensorHumidity(NAN);
+
+void userSetup() {
+  u8x8.begin();
+  u8x8.setPowerSave(0);
+  u8x8.setFlipMode(1);
+  u8x8.setContrast(10); //Contrast setup will help to preserve OLED lifetime. In case OLED need to be brighter increase number up to 255
+  u8x8.setFont(u8x8_font_chroma48medium8_r);
+  u8x8.drawString(0, 0, "Loading...");
+  Wire.begin(SDA_PIN,SCL_PIN);
+
+while(!bme.begin())
+  {
+    Serial.println("Could not find BME280I2C sensor!");
+    delay(1000);
+  }
+switch(bme.chipModel())
+  {
+    case BME280::ChipModel_BME280:
+      Serial.println("Found BME280 sensor! Success.");
+      break;
+    case BME280::ChipModel_BMP280:
+      Serial.println("Found BMP280 sensor! No Humidity available.");
+      break;
+    default:
+      Serial.println("Found UNKNOWN sensor! Error!");
+  }
+}
+
+// gets called every time WiFi is (re-)connected. Initialize own network
+// interfaces here
+void userConnected() {}
+
+// needRedraw marks if redraw is required to prevent often redrawing.
+bool needRedraw = true;
+
+// Next variables hold the previous known values to determine if redraw is
+// required.
+String knownSsid = "";
+IPAddress knownIp;
+uint8_t knownBrightness = 0;
+uint8_t knownMode = 0;
+uint8_t knownPalette = 0;
+
+long lastUpdate = 0;
+long lastRedraw = 0;
+bool displayTurnedOff = false;
+// How often we are redrawing screen
+#define USER_LOOP_REFRESH_RATE_MS 5000
+
+void userLoop() {
+
+// BME280 sensor MQTT publishing
+  tempTimer = millis();  
+// Timer to publish new sensor data every 60 seconds
+  if (tempTimer - lastMeasure > 60000) 
+  {
+    lastMeasure = tempTimer;    
+
+// Check if MQTT Connected, otherwise it will crash the 8266
+    if (mqtt != nullptr)
+    {
+      UpdateBME280Data();
+      float board_temperature = SensorTemperature;
+      float board_pressure = SensorPressure;
+      float board_humidity = SensorHumidity;
+
+// Create string populated with user defined device topic from the UI, and the read temperature, humidity and pressure. Then publish to MQTT server.
+      String t = String(mqttDeviceTopic);
+      t += "/temperature";
+      mqtt->publish(t.c_str(), 0, true, String(board_temperature).c_str());
+      String p = String(mqttDeviceTopic);
+      p += "/pressure";
+      mqtt->publish(p.c_str(), 0, true, String(board_pressure).c_str());
+      String h = String(mqttDeviceTopic);
+      h += "/humidity";
+      mqtt->publish(h.c_str(), 0, true, String(board_humidity).c_str());
+    }
+  }
+
+  // Check if we time interval for redrawing passes.
+  if (millis() - lastUpdate < USER_LOOP_REFRESH_RATE_MS) {
+    return;
+  }
+  lastUpdate = millis();
+  
+  // Turn off display after 3 minutes with no change.
+  if(!displayTurnedOff && millis() - lastRedraw > 3*60*1000) {
+    u8x8.setPowerSave(1);
+    displayTurnedOff = true;
+  }
+
+  // Check if values which are shown on display changed from the last time.
+  if (((apActive) ? String(apSSID) : WiFi.SSID()) != knownSsid) {
+    needRedraw = true;
+  } else if (knownIp != (apActive ? IPAddress(4, 3, 2, 1) : WiFi.localIP())) {
+    needRedraw = true;
+  } else if (knownBrightness != bri) {
+    needRedraw = true;
+  } else if (knownMode != strip.getMode()) {
+    needRedraw = true;
+  } else if (knownPalette != strip.getSegment(0).palette) {
+    needRedraw = true;
+  }
+
+  if (!needRedraw) {
+    return;
+  }
+  needRedraw = false;
+  
+  if (displayTurnedOff)
+  {
+    u8x8.setPowerSave(0);
+    displayTurnedOff = false;
+  }
+  lastRedraw = millis();
+
+  // Update last known values.
+  #if defined(ESP8266)
+  knownSsid = apActive ? WiFi.softAPSSID() : WiFi.SSID();
+  #else
+  knownSsid = WiFi.SSID();
+  #endif
+  knownIp = apActive ? IPAddress(4, 3, 2, 1) : WiFi.localIP();
+  knownBrightness = bri;
+  knownMode = strip.getMode();
+  knownPalette = strip.getSegment(0).palette;
+  u8x8.clear();
+  u8x8.setFont(u8x8_font_chroma48medium8_r);
+
+  // First row with Wifi name
+  u8x8.setCursor(1, 0);
+  u8x8.print(knownSsid.substring(0, u8x8.getCols() > 1 ? u8x8.getCols() - 2 : 0));
+  // Print `~` char to indicate that SSID is longer, than owr dicplay
+  if (knownSsid.length() > u8x8.getCols())
+    u8x8.print("~");
+
+  // Second row with IP or Psssword
+  u8x8.setCursor(1, 1);
+  // Print password in AP mode and if led is OFF.
+  if (apActive && bri == 0)
+    u8x8.print(apPass);
+  else
+    u8x8.print(knownIp);
+
+  // Third row with mode name
+  u8x8.setCursor(2, 2);
+  uint8_t qComma = 0;
+  bool insideQuotes = false;
+  uint8_t printedChars = 0;
+  char singleJsonSymbol;
+
+  // Find the mode name in JSON
+  for (size_t i = 0; i < strlen_P(JSON_mode_names); i++) {
+    singleJsonSymbol = pgm_read_byte_near(JSON_mode_names + i);
+    switch (singleJsonSymbol) {
+    case '"':
+      insideQuotes = !insideQuotes;
+      break;
+    case '[':
+    case ']':
+      break;
+    case ',':
+      qComma++;
+    default:
+      if (!insideQuotes || (qComma != knownMode))
+        break;
+      u8x8.print(singleJsonSymbol);
+      printedChars++;
+    }
+    if ((qComma > knownMode) || (printedChars > u8x8.getCols() - 2))
+      break;
+  }
+  // Fourth row with palette name
+  u8x8.setCursor(2, 3);
+  qComma = 0;
+  insideQuotes = false;
+  printedChars = 0;
+  // Looking for palette name in JSON.
+  for (size_t i = 0; i < strlen_P(JSON_palette_names); i++) {
+    singleJsonSymbol = pgm_read_byte_near(JSON_palette_names + i);
+    switch (singleJsonSymbol) {
+    case '"':
+      insideQuotes = !insideQuotes;
+      break;
+    case '[':
+    case ']':
+      break;
+    case ',':
+      qComma++;
+    default:
+      if (!insideQuotes || (qComma != knownPalette))
+        break;
+      u8x8.print(singleJsonSymbol);
+      printedChars++;
+    }
+    if ((qComma > knownMode) || (printedChars > u8x8.getCols() - 2))
+      break;
+  }
+
+  u8x8.setFont(u8x8_font_open_iconic_embedded_1x1);
+  u8x8.drawGlyph(0, 0, 80); // wifi icon
+  u8x8.drawGlyph(0, 1, 68); // home icon
+  u8x8.setFont(u8x8_font_open_iconic_weather_2x2);
+  u8x8.drawGlyph(0, 2, 66 + (bri > 0 ? 3 : 0)); // sun/moon icon
+}
+
+void UpdateBME280Data() {
+  float temp(NAN), hum(NAN), pres(NAN);
+#ifdef Celsius
+  BME280::TempUnit tempUnit(BME280::TempUnit_Celsius);
+#else
+  BME280::TempUnit tempUnit(BME280::TempUnit_Fahrenheit);
+#endif
+  BME280::PresUnit presUnit(BME280::PresUnit_Pa);
+  bme.read(pres, temp, hum, tempUnit, presUnit);
+  SensorTemperature=temp;
+  SensorHumidity=hum;
+  SensorPressure=pres;
+}

usermods/Wemos_D1_mini+Wemos32_mini_shield/readme.md

@@ -1,5 +1,6 @@
 # Wemos D1 mini and Wemos32 mini shield
 -   Installation of file: Copy and replace file in wled00 directory
+-   For BME280 sensor use usermod_bme280.cpp. Copy to wled00 and rename to usermod.cpp
 -   Added third choice of controller Heltec WiFi-Kit-8. Totally DIY but with OLED display.
 ## Project repository
 -   [Original repository](https://github.com/srg74/WLED-wemos-shield) - WLED Wemos shield repository
@@ -17,15 +18,18 @@
 ![Shield](https://github.com/srg74/WLED-wemos-shield/blob/master/resources/Images/Assembly_8.jpg)
 
 ## Functionality checked with
+
 -   Wemos D1 mini original v3.1 and clones
 -   Wemos32 mini
 -   PlatformIO
 -   SSD1306 128x32 I2C OLED display
 -   DS18B20 (temperature sensor)
+-   BME280 (temperature, humidity and pressure sensor)
 -   Push button (N.O. momentary switch)
 
 ### Platformio requirements
-Uncomment `U8g2@~2.27.3`,`DallasTemperature@~3.8.0`,`OneWire@~2.3.5 under` `[common]` section in `platformio.ini`:
+
+For Dallas sensor uncomment `U8g2@~2.27.3`,`DallasTemperature@~3.8.0`,`OneWire@~2.3.5 under` `[common]` section in `platformio.ini`:
 ```ini
 # platformio.ini
 ...
@@ -45,3 +49,23 @@ lib_deps_external =
   OneWire@~2.3.5
 ...
 ```
+
+For BME280 sensor uncomment `U8g2@~2.27.3`,`BME280@~3.0.0 under` `[common]` section in `platformio.ini`:
+```ini
+# platformio.ini
+...
+[platformio]
+...
+; default_envs = esp07
+default_envs = d1_mini
+...
+[common]
+...
+lib_deps_external =
+  ...
+  #For use SSD1306 OLED display uncomment following
+  U8g2@~2.27.3
+  #For BME280 sensor uncomment following
+  BME280@~3.0.0
+...
+```

usermods/Wemos_D1_mini+Wemos32_mini_shield/usermod_bme280.cpp

@@ -0,0 +1,268 @@
+#include "wled.h"
+#include <Arduino.h>
+#include <U8x8lib.h> // from https://github.com/olikraus/u8g2/
+#include <Wire.h>
+#include <BME280I2C.h> //BME280 sensor
+
+void UpdateBME280Data();
+
+#define Celsius // Show temperature mesaurement in Celcius otherwise is in Fahrenheit 
+BME280I2C bme;    // Default : forced mode, standby time = 1000 ms
+                  // Oversampling = pressure ×1, temperature ×1, humidity ×1, filter off,
+
+#ifdef ARDUINO_ARCH_ESP32 //ESP32 boards
+uint8_t SCL_PIN = 22;
+uint8_t SDA_PIN = 21;
+#else //ESP8266 boards
+uint8_t SCL_PIN = 5;
+uint8_t SDA_PIN = 4;
+// uint8_t RST_PIN = 16; // Uncoment for Heltec WiFi-Kit-8
+#endif
+
+//The SCL and SDA pins are defined here.
+//ESP8266 Wemos D1 mini board use SCL=5 SDA=4 while ESP32 Wemos32 mini board use SCL=22 SDA=21
+#define U8X8_PIN_SCL SCL_PIN
+#define U8X8_PIN_SDA SDA_PIN
+//#define U8X8_PIN_RESET RST_PIN // Uncoment for Heltec WiFi-Kit-8
+
+// If display does not work or looks corrupted check the
+// constructor reference:
+// https://github.com/olikraus/u8g2/wiki/u8x8setupcpp
+// or check the gallery:
+// https://github.com/olikraus/u8g2/wiki/gallery
+// --> First choise of cheap I2C OLED 128X32 0.91"
+U8X8_SSD1306_128X32_UNIVISION_HW_I2C u8x8(U8X8_PIN_NONE, U8X8_PIN_SCL, U8X8_PIN_SDA); // Pins are Reset, SCL, SDA
+// --> Second choise of cheap I2C OLED 128X64 0.96" or 1.3"
+//U8X8_SSD1306_128X64_NONAME_HW_I2C u8x8(U8X8_PIN_NONE, U8X8_PIN_SCL, U8X8_PIN_SDA); // Pins are Reset, SCL, SDA
+// --> Third choise of Heltec WiFi-Kit-8 OLED 128X32 0.91"
+//U8X8_SSD1306_128X32_UNIVISION_HW_I2C u8x8(U8X8_PIN_RESET, U8X8_PIN_SCL, U8X8_PIN_SDA); // Constructor for Heltec WiFi-Kit-8
+// gets called once at boot. Do all initialization that doesn't depend on network here
+
+// BME280 sensor timer
+long tempTimer = millis();
+long lastMeasure = 0;
+
+float SensorPressure(NAN);
+float SensorTemperature(NAN);
+float SensorHumidity(NAN);
+
+void userSetup() {
+  u8x8.begin();
+  u8x8.setPowerSave(0);
+  u8x8.setFlipMode(1);
+  u8x8.setContrast(10); //Contrast setup will help to preserve OLED lifetime. In case OLED need to be brighter increase number up to 255
+  u8x8.setFont(u8x8_font_chroma48medium8_r);
+  u8x8.drawString(0, 0, "Loading...");
+  Wire.begin(SDA_PIN,SCL_PIN);
+
+while(!bme.begin())
+  {
+    Serial.println("Could not find BME280I2C sensor!");
+    delay(1000);
+  }
+switch(bme.chipModel())
+  {
+    case BME280::ChipModel_BME280:
+      Serial.println("Found BME280 sensor! Success.");
+      break;
+    case BME280::ChipModel_BMP280:
+      Serial.println("Found BMP280 sensor! No Humidity available.");
+      break;
+    default:
+      Serial.println("Found UNKNOWN sensor! Error!");
+  }
+}
+
+// gets called every time WiFi is (re-)connected. Initialize own network
+// interfaces here
+void userConnected() {}
+
+// needRedraw marks if redraw is required to prevent often redrawing.
+bool needRedraw = true;
+
+// Next variables hold the previous known values to determine if redraw is
+// required.
+String knownSsid = "";
+IPAddress knownIp;
+uint8_t knownBrightness = 0;
+uint8_t knownMode = 0;
+uint8_t knownPalette = 0;
+
+long lastUpdate = 0;
+long lastRedraw = 0;
+bool displayTurnedOff = false;
+// How often we are redrawing screen
+#define USER_LOOP_REFRESH_RATE_MS 5000
+
+void userLoop() {
+
+// BME280 sensor MQTT publishing
+  tempTimer = millis();  
+// Timer to publish new sensor data every 60 seconds
+  if (tempTimer - lastMeasure > 60000) 
+  {
+    lastMeasure = tempTimer;    
+
+// Check if MQTT Connected, otherwise it will crash the 8266
+    if (mqtt != nullptr)
+    {
+      UpdateBME280Data();
+      float board_temperature = SensorTemperature;
+      float board_pressure = SensorPressure;
+      float board_humidity = SensorHumidity;
+
+// Create string populated with user defined device topic from the UI, and the read temperature, humidity and pressure. Then publish to MQTT server.
+      String t = String(mqttDeviceTopic);
+      t += "/temperature";
+      mqtt->publish(t.c_str(), 0, true, String(board_temperature).c_str());
+      String p = String(mqttDeviceTopic);
+      p += "/pressure";
+      mqtt->publish(p.c_str(), 0, true, String(board_pressure).c_str());
+      String h = String(mqttDeviceTopic);
+      h += "/humidity";
+      mqtt->publish(h.c_str(), 0, true, String(board_humidity).c_str());
+    }
+  }
+
+  // Check if we time interval for redrawing passes.
+  if (millis() - lastUpdate < USER_LOOP_REFRESH_RATE_MS) {
+    return;
+  }
+  lastUpdate = millis();
+  
+  // Turn off display after 3 minutes with no change.
+  if(!displayTurnedOff && millis() - lastRedraw > 3*60*1000) {
+    u8x8.setPowerSave(1);
+    displayTurnedOff = true;
+  }
+
+  // Check if values which are shown on display changed from the last time.
+  if (((apActive) ? String(apSSID) : WiFi.SSID()) != knownSsid) {
+    needRedraw = true;
+  } else if (knownIp != (apActive ? IPAddress(4, 3, 2, 1) : WiFi.localIP())) {
+    needRedraw = true;
+  } else if (knownBrightness != bri) {
+    needRedraw = true;
+  } else if (knownMode != strip.getMode()) {
+    needRedraw = true;
+  } else if (knownPalette != strip.getSegment(0).palette) {
+    needRedraw = true;
+  }
+
+  if (!needRedraw) {
+    return;
+  }
+  needRedraw = false;
+  
+  if (displayTurnedOff)
+  {
+    u8x8.setPowerSave(0);
+    displayTurnedOff = false;
+  }
+  lastRedraw = millis();
+
+  // Update last known values.
+  #if defined(ESP8266)
+  knownSsid = apActive ? WiFi.softAPSSID() : WiFi.SSID();
+  #else
+  knownSsid = WiFi.SSID();
+  #endif
+  knownIp = apActive ? IPAddress(4, 3, 2, 1) : WiFi.localIP();
+  knownBrightness = bri;
+  knownMode = strip.getMode();
+  knownPalette = strip.getSegment(0).palette;
+  u8x8.clear();
+  u8x8.setFont(u8x8_font_chroma48medium8_r);
+
+  // First row with Wifi name
+  u8x8.setCursor(1, 0);
+  u8x8.print(knownSsid.substring(0, u8x8.getCols() > 1 ? u8x8.getCols() - 2 : 0));
+  // Print `~` char to indicate that SSID is longer, than owr dicplay
+  if (knownSsid.length() > u8x8.getCols())
+    u8x8.print("~");
+
+  // Second row with IP or Psssword
+  u8x8.setCursor(1, 1);
+  // Print password in AP mode and if led is OFF.
+  if (apActive && bri == 0)
+    u8x8.print(apPass);
+  else
+    u8x8.print(knownIp);
+
+  // Third row with mode name
+  u8x8.setCursor(2, 2);
+  uint8_t qComma = 0;
+  bool insideQuotes = false;
+  uint8_t printedChars = 0;
+  char singleJsonSymbol;
+
+  // Find the mode name in JSON
+  for (size_t i = 0; i < strlen_P(JSON_mode_names); i++) {
+    singleJsonSymbol = pgm_read_byte_near(JSON_mode_names + i);
+    switch (singleJsonSymbol) {
+    case '"':
+      insideQuotes = !insideQuotes;
+      break;
+    case '[':
+    case ']':
+      break;
+    case ',':
+      qComma++;
+    default:
+      if (!insideQuotes || (qComma != knownMode))
+        break;
+      u8x8.print(singleJsonSymbol);
+      printedChars++;
+    }
+    if ((qComma > knownMode) || (printedChars > u8x8.getCols() - 2))
+      break;
+  }
+  // Fourth row with palette name
+  u8x8.setCursor(2, 3);
+  qComma = 0;
+  insideQuotes = false;
+  printedChars = 0;
+  // Looking for palette name in JSON.
+  for (size_t i = 0; i < strlen_P(JSON_palette_names); i++) {
+    singleJsonSymbol = pgm_read_byte_near(JSON_palette_names + i);
+    switch (singleJsonSymbol) {
+    case '"':
+      insideQuotes = !insideQuotes;
+      break;
+    case '[':
+    case ']':
+      break;
+    case ',':
+      qComma++;
+    default:
+      if (!insideQuotes || (qComma != knownPalette))
+        break;
+      u8x8.print(singleJsonSymbol);
+      printedChars++;
+    }
+    if ((qComma > knownMode) || (printedChars > u8x8.getCols() - 2))
+      break;
+  }
+
+  u8x8.setFont(u8x8_font_open_iconic_embedded_1x1);
+  u8x8.drawGlyph(0, 0, 80); // wifi icon
+  u8x8.drawGlyph(0, 1, 68); // home icon
+  u8x8.setFont(u8x8_font_open_iconic_weather_2x2);
+  u8x8.drawGlyph(0, 2, 66 + (bri > 0 ? 3 : 0)); // sun/moon icon
+}
+
+void UpdateBME280Data() {
+  float temp(NAN), hum(NAN), pres(NAN);
+#ifdef Celsius
+  BME280::TempUnit tempUnit(BME280::TempUnit_Celsius);
+  BME280::PresUnit presUnit(BME280::PresUnit_Pa);
+  bme.read(pres, temp, hum, tempUnit, presUnit);
+#else
+  BME280::TempUnit tempUnit(BME280::TempUnit_Fahrenheit);
+  BME280::PresUnit presUnit(BME280::PresUnit_Pa);
+  bme.read(pres, temp, hum, tempUnit, presUnit);
+#endif
+  SensorTemperature=temp;
+  SensorHumidity=hum;
+  SensorPressure=pres;
+}