added example for BME280 on an ESP8266

Author: simonrupf

sensors/bme280/monsens-bme280-esp8266-example.ino

@@ -0,0 +1,66 @@
+/**
+ * MonSens BME280 sensor on a ESP8266 MCU example sketchbook
+ *
+ * This sketchbook shows you how to use the BME280 sensor on a ESP8266 and
+ * expose it via TCP port 30303 to read the sensor data.
+ */
+
+// the following constants need to be changed according to your WiFi settings
+const char* ssid = "your WiFi's SSID";
+const char* password = "your own super secret WiFi password";
+
+// this is the port that your monitoring system may read the sensors at
+const int port = 30303;
+
+// (optional) conserve memory by reducing the reserved space for the following
+// variables
+// maximum sensors supported, defaults to 10 (this example only uses 2)
+#define MONSENS_MAX_SENSORS 10
+// maximum length of measurement strings, defaults to 9 (5 digits, 1 decimal
+// point, 2 digits after the point and 1 string termination character)
+#define MONSENS_MAX_MEASUREMENT_WIDTH 9
+
+#include <MonSens_ESP8266.h>
+
+#include <MonSens_BME280.h>
+
+// hardware SPI pins on NodeMCU v1, v2 & v3
+#define BME_SCK 14
+#define BME_MISO 12
+#define BME_MOSI 13
+#define BME_CS 15
+
+#define SEALEVELPRESSURE_HPA (1013.25)
+
+Adafruit_BME280 bme(BME_CS); // comment when not using hardware SPI
+//Adafruit_BME280 bme(BME_CS, BME_MOSI, BME_MISO, BME_SCK); // uncomment when using software SPI
+//Adafruit_BME280 bme; // uncomment when using I2C
+MonSens_BME280 bme280;
+
+MonSens_ESP8266 mcu;
+
+/**
+ * initialize ESP8266 and sensors
+ */
+void setup() {
+  Serial.begin(115200);
+  delay(10);
+
+  mcu.setSsid(ssid);
+  mcu.setPassword(password);
+  mcu.setPort(port);
+  mcu.init();
+
+  bme280.setBme(bme);
+  mcu.addSensor(bme280);
+}
+ 
+/**
+ * main loop
+ *
+ * read string sent to server, then evaluate it and print an according result
+ */
+void loop() {
+  mcu.communicate();
+}
+