envModule.agent.nut

device.on("data", function(data) {
    server.log(http.jsonencode(data));
});

envModule.device.nut

// https://github.com/electricimp/APDS9007
#require "APDS9007.class.nut:1.0"
// https://github.com/electricimp/LPS25H
#require "LPS25H.class.nut:1.0"
// https://github.com/electricimp/Si702x
#require "SI702x.class.nut:0.1"

// Ambient Light Sensor
als_en <- hardware.pin7; // (active high)
als_en.configure(DIGITAL_OUT, 0);

als_out <- hardware.pin5;
als_out.configure(ANALOG_IN);

lightSensor <- APDS9007(als_out, 47000.0, als_en);

// Air Pressure and Temp + Humid Sensor
i2c <- hardware.i2c89;
i2c.configure(CLOCK_SPEED_400_KHZ);

pressureSensor <- LPS25H(i2c); // air pressure
tempHumidSensor  <- Si702x(i2c); // temp and humid

function poll() {
    local temp = tempHumidSensor.readTemp();        // celsius
    local humid = tempHumidSensor.readHumidity();   // relative humidity (%)
    local light = lightSensor.read();               // lux
    
    // reading pressure takes a few seconds, so it's an
    // asynchronous call and we send the data upon completion
    pressureSensor.read(function(pressure) {
        agent.send("data", {
            temp = temp,
            humid = humid,
            light = light,
            pressure = pressure
        });
        imp.wakeup(10, poll);
    });
}

/* RUNTIME START ------------------------------------------------------------ */

server.log("SW:  "+imp.getsoftwareversion());
server.log("Memory Free: "+imp.getmemoryfree());
imp.enableblinkup(true);

poll();