func main() {
flag.Parse()
// Initialize Intel Edison
edisonAdaptor := edison.NewEdisonAdaptor("edison")
edisonAdaptor.Connect()
lightSensor := gpio.NewGroveLightSensorDriver(edisonAdaptor, "light", *sensorLightPin, *sensorPollingInterval)
lightSensor.Start()
gobot.On(lightSensor.Event("data"), func(data interface{}) {
raw := float64(data.(int))
// convert to lux
resistance := (1023.0 - raw) * 10.0 / raw * 15.0
light = 10000.0 / math.Pow(resistance, 4.0/3.0)
lightUpdated = time.Now()
log.Debugln("illuminance: ", light)
})
soundSensor := gpio.NewGroveSoundSensorDriver(edisonAdaptor, "sound", *sensorSoundPin, *sensorPollingInterval)
soundSensor.Start()
gobot.On(soundSensor.Event("data"), func(data interface{}) {
sound = float64(data.(int))
soundUpdated = time.Now()
log.Debugln("sound level: ", sound)
})
tempSensor := gpio.NewGroveTemperatureSensorDriver(edisonAdaptor, "temp", *sensorTempPin, *sensorPollingInterval)
tempSensor.Start()
gobot.On(tempSensor.Event("data"), func(data interface{}) {
celsius = data.(float64)
fahrenheit = celsius*1.8 + 32
tempUpdated = time.Now()
log.Debugln("temperature: ", celsius)
})
// Initialize prometheus exporter
exporter := NewExporter()
prometheus.MustRegister(exporter)
log.Infof("Listening on: %s", *listenAddress)
http.Handle(*metricPath, prometheus.Handler())
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(`
<html>
<head>
<title>IoT Edison exporter</title>
</head>
<body>
<h1>Prometheus exporter for sensor metrics from Intel Edison</h1>
<p><a href='` + *metricPath + `'>Metrics</a></p>
</body>
</html>
`))
})
log.Fatal(http.ListenAndServe(*listenAddress, nil))
}
/*
This function is used if only the rotary port is in play.
func mapValueToColor(i int) (int, int, int) {
// Masking to account for very sensitive rotary
red := ((i & (1 << 1)) << 2) | ((i & (1 << 4)) << 0) | ((i & (1 << 7)) >> 2)
green := ((i & (1 << 2)) << 1) | ((i & (1 << 5)) >> 1) | ((i & (1 << 8)) >> 3)
blue := ((i & (1 << 3)) << 0) | ((i & (1 << 6)) >> 2) | ((i & (1 << 9)) >> 4)
return red, green, blue
}
*/
func main() {
gbot := gobot.NewGobot()
board := edison.NewEdisonAdaptor("edison")
screen := i2c.NewGroveLcdDriver(board, "screen")
sensorRotary := gpio.NewGroveRotaryDriver(board, "sensor", "0")
sensorLight := gpio.NewGroveLightSensorDriver(board, "light", "1")
sensorTemp := gpio.NewGroveTemperatureSensorDriver(board, "temp", "2")
work := func() {
var r, g, b int
gobot.On(sensorRotary.Event("data"), func(data interface{}) {
r = data.(int) >> 2
})
gobot.On(sensorLight.Event("data"), func(data interface{}) {
fmt.Printf("%d\n", data)
g = data.(int) * 255 / 790
})
gobot.Every(time.Millisecond*500, func() {
b = int(gobot.ToScale(gobot.FromScale(sensorTemp.Temperature(), 25, 35), 0, 255))
screen.Clear()
screen.Home()
screen.SetRGB(r, g, b)
screen.Write(fmt.Sprintf("#%02X%02X%02X", r, g, b))
})
}
robot := gobot.NewRobot("screenBot",
[]gobot.Connection{board},
[]gobot.Device{screen, sensorRotary, sensorLight, sensorTemp},
work,
)
gbot.AddRobot(robot)
gbot.Start()
}
func main() {
gbot := gobot.NewGobot()
board := edison.NewEdisonAdaptor("board")
sensor := gpio.NewGroveLightSensorDriver(board, "sensor", "0")
work := func() {
gobot.On(sensor.Event("data"), func(data interface{}) {
fmt.Println("sensor", data)
})
}
robot := gobot.NewRobot("sensorBot",
[]gobot.Connection{board},
[]gobot.Device{sensor},
work,
)
gbot.AddRobot(robot)
gbot.Start()
}
func main() {
gbot := gobot.NewGobot()
a := api.NewAPI(gbot)
a.Start()
board := firmata.NewFirmataAdaptor("arduino", os.Args[1])
// digital devices
button = gpio.NewGroveButtonDriver(board, "button", "2")
blue = gpio.NewGroveLedDriver(board, "blue", "3")
green = gpio.NewGroveLedDriver(board, "green", "4")
red = gpio.NewGroveLedDriver(board, "red", "5")
buzzer = gpio.NewGroveBuzzerDriver(board, "buzzer", "7")
touch = gpio.NewGroveTouchDriver(board, "touch", "8")
// analog devices
rotary = gpio.NewGroveRotaryDriver(board, "rotary", "0")
sensor = gpio.NewGroveTemperatureSensorDriver(board, "sensor", "1")
sound = gpio.NewGroveSoundSensorDriver(board, "sound", "2")
light = gpio.NewGroveLightSensorDriver(board, "light", "3")
work := func() {
Reset()
gobot.On(button.Event(gpio.Push), func(data interface{}) {
TurnOff()
fmt.Println("On!")
blue.On()
})
gobot.On(button.Event(gpio.Release), func(data interface{}) {
Reset()
})
gobot.On(touch.Event(gpio.Push), func(data interface{}) {
Doorbell()
})
gobot.On(rotary.Event("data"), func(data interface{}) {
fmt.Println("rotary", data)
})
gobot.On(sound.Event("data"), func(data interface{}) {
DetectSound(data.(int))
})
gobot.On(light.Event("data"), func(data interface{}) {
DetectLight(data.(int))
})
gobot.Every(1*time.Second, func() {
CheckFireAlarm()
})
}
robot := gobot.NewRobot("airlock",
[]gobot.Connection{board},
[]gobot.Device{button, blue, green, red, buzzer, touch, rotary, sensor, sound, light},
work,
)
gbot.AddRobot(robot)
gbot.Start()
}