main.go


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

package main

import (
	"log"
	"time"

	"dht11"

	"github.com/stianeikeland/go-rpio"
)

const (
	RELAY_PIN = 27
	TEMP_PIN  = 17
)

func toggleRelay(pin *rpio.Pin) {
	pin.Output()
	pin.PullDown()

	pin.High()
	time.Sleep(10 * time.Second)
	pin.Low()
}

func main() {
	err := rpio.Open()
	if err != nil {
		log.Fatal(err)
	}
	defer rpio.Close()

	tempPin := rpio.Pin(TEMP_PIN)
	tempSensor := dht11.NewRaspberryPiDHT11(&tempPin)

	if temp, err := tempSensor.GetSensorDataWithRetry(5); err == nil {
		log.Printf("temp: %d\n", temp.TempC)
		log.Printf("temp: %f\n", temp.TempF)
		log.Printf("humidity: %d\n", temp.Humidity)
	} else {
		log.Printf("Failed to read sensor")
	}
}