// This example shows how to connect to Cayenne using an ESP8266 and send/receive sample data.
// Make sure you install the ESP8266 Board Package via the Arduino IDE Board Manager and select the correct ESP8266 board before compiling.
//#define CAYENNE_DEBUG
#define CAYENNE_PRINT Serial
#include <CayenneMQTTESP8266.h>
// WiFi network info.
char ssid[] = "ssid";
char wifiPassword[] = "password";
// Cayenne authentication info. This should be obtained from the Cayenne Dashboard.
char username[] = "username";
char password[] = "password";
char clientID[] = "clientID";
unsigned long lastMillis = 0;
#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BMP085_U.h>
#include <Adafruit_TSL2561_U.h>
Adafruit_BMP085_Unified bmp = Adafruit_BMP085_Unified(10180);
const int address = TSL2561_ADDR_FLOAT;
Adafruit_TSL2561_Unified tsl = Adafruit_TSL2561_Unified(address, 12345);
void setup() {
Serial.begin(9600);
Cayenne.begin(username, password, clientID, ssid, wifiPassword);
Wire.begin(0, 2); // SDA, SDL
if (!bmp.begin())
{
CAYENNE_LOG("No BMP sensor detected");
while (1);
}
if (!tsl.begin())
{
CAYENNE_LOG("No TSL2561 detected");
while (1);
}
tsl.enableAutoRange(true);
/* Changing the integration time gives you better sensor resolution (402ms = 16-bit data) */
tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_13MS); /* fast but low resolution */
// tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_101MS); /* medium resolution and speed */
// tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_402MS); /* 16-bit data but slowest conversions */
}
void loop() {
Cayenne.loop();
//Publish data every 1 seconds (1000 milliseconds). Change this value to publish at a different interval.
if (millis() - lastMillis > 1000) {
lastMillis = millis();
//Write data to Cayenne here. This example just sends the current uptime in milliseconds.
Cayenne.virtualWrite(0, lastMillis);
sensors_event_t event;
tsl.getEvent(&event);
float pressure;
bmp.getPressure(&pressure);
float temperature;
bmp.getTemperature(&temperature);
Cayenne.virtualWrite(3, event.light, TYPE_LUMINOSITY, UNIT_LUX);
Cayenne.virtualWrite(1, pressure, TYPE_BAROMETRIC_PRESSURE, UNIT_PASCAL);
Cayenne.virtualWrite(2, temperature, TYPE_TEMPERATURE, UNIT_CELSIUS);
//Some examples of other functions you can use to send data.
//Cayenne.celsiusWrite(1, 22.0);
//Cayenne.luxWrite(2, 700);
//Cayenne.virtualWrite(3, 50, TYPE_PROXIMITY, UNIT_CENTIMETER);
}
}
//Default function for processing actuator commands from the Cayenne Dashboard.
//You can also use functions for specific channels, e.g CAYENNE_IN(1) for channel 1 commands.
CAYENNE_IN_DEFAULT()
{
CAYENNE_LOG("CAYENNE_IN_DEFAULT(%u) - %s, %s", request.channel, getValue.getId(), getValue.asString());
//Process message here. If there is an error set an error message using getValue.setError(), e.g getValue.setError("Error message");
}
Tad.Dvor
Posted by Benny Estes
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