Agent-Device Communications

comms.device.nut

// Device Globals

dummyValue <- 0


function updateWeatherDisplay(forecast)
{
    // This function, omitted for clarity, takes the supplied
    // forecast value and uses it to present a weather icon
    // on the device's display
}

// Register message handlers

// On receipt of the 'get.networks' message, return the results of a WiFi scan
// Note: this uses an inline function

agent.on("get.networks", function(unused){agent.send("set.location", imp.scanwifinetworks())})

// On receipt of the 'set.forecast' message, use the passed data to update the display
// Note: this uses an pre-defined function

agent.on("set.forecast", updateWeatherDisplay)

// Send first message, requesting the device's location

agent.send("get.forecast", dummyValue)