bump version number; add command to switch on/off display

Author: coding-lemur

README.md

@@ -70,6 +70,7 @@ Topic: co2-meter/`{device ID}`/in/`{command}`
 | ---------- | ------------------------------------------------------------------------------------------ | -------------------- |
 | sleep      | Start deep-sleep for specific duration (in seconds!)                                       | { duration: number } |
 | info       | Send info via MQTT topic `co2-meter/out/info` package                                      | -                    |
+| display    | turn display on/off                                                                        | { on: boolean }      |
 | hard-reset | Reset config with WiFi and MQTT settings and start internal hotspot to reconfigure device. | -                    |
 
 ### Outcoming commands

src/main.cpp

@@ -24,7 +24,7 @@ extern "C"
 #define DEVICE_ID (Sprintf("%06" PRIx64, ESP.getEfuseMac() >> 24)) // unique device ID
 #define uS_TO_S_FACTOR 1000000                                     // Conversion factor for micro seconds to seconds
 
-String version = "0.1.0";
+String version = "1.0.0";
 
 AsyncMqttClient mqttClient;
 
@@ -240,6 +240,13 @@ void processingMessage(String channel, DynamicJsonDocument doc)
         unsigned long seconds = doc["duration"].as<unsigned long>();
         goSleep(seconds);
     }
+    else if (channel.equals("display"))
+    {
+        bool turnOn = doc["on"].as<bool>();
+        uint8_t command = turnOn ? SSD1306_DISPLAYON : SSD1306_DISPLAYOFF;
+
+        display.ssd1306_command(command);
+    }
     else if (channel.equals("hard-reset"))
     {
         hardReset();