Complete rewrite of the library with modular structure.

examples/TestCO2/TestCO2.ino

@@ -0,0 +1,43 @@
+/*
+This is sample code for the AirGradient library with a minimal implementation to read CO2 values from the SenseAir S8 sensor.
+
+CC BY-SA 4.0 Attribution-ShareAlike 4.0 International License
+*/
+
+#include <AirGradient.h>
+
+#ifdef ESP8266
+AirGradient ag = AirGradient(BOARD_DIY_PRO_INDOOR_V4_2);
+// AirGradient ag = AirGradient(BOARD_DIY_BASIC_KIT);
+#else
+// AirGradient ag = AirGradient(BOARD_ONE_INDOOR_MONITOR_V9_0);
+AirGradient ag = AirGradient(BOARD_OUTDOOR_MONITOR_V1_3);
+#endif
+
+void failedHandler(String msg);
+
+void setup() {
+  Serial.begin(115200);
+
+  /** Init CO2 sensor */
+#ifdef ESP8266
+  if (ag.s8.begin(&Serial) == false) {
+#else
+  if (ag.s8.begin(Serial1) == false) {
+#endif
+    failedHandler("SenseAir S8 init failed");
+  }
+}
+
+void loop() {
+  int CO2 = ag.s8.getCo2();
+  Serial.printf("CO2: %d\r\n", CO2);
+  delay(5000);
+}
+
+void failedHandler(String msg) {
+  while (true) {
+    Serial.println(msg);
+    delay(1000);
+  }
+}