60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
package main
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import (
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"flag"
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"github.com/cyrilix/robocar-arduino/arduino"
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"github.com/cyrilix/robocar-base/cli"
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"github.com/cyrilix/robocar-base/mqttdevice"
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"log"
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"os"
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)
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const DefaultClientId = "robocar-arduino"
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func setDefaultValueFromEnv(value *string, key string, defaultValue string) {
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if os.Getenv(key) != "" {
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*value = os.Getenv(key)
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} else {
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*value = defaultValue
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}
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}
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func main() {
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var mqttBroker, username, password, clientId, topicBase string
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var device string
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var baud int
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var pubFrequency float64
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var debug bool
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mqttQos := cli.InitIntFlag("MQTT_QOS", 0)
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_, mqttRetain := os.LookupEnv("MQTT_RETAIN")
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cli.InitMqttFlags(DefaultClientId, &mqttBroker, &username, &password, &clientId, &mqttQos, &mqttRetain)
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flag.Float64Var(&pubFrequency, "mqtt-pub-frequency", 25., "Number of messages to publish per second")
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flag.StringVar(&topicBase, "mqtt-topic-base", os.Getenv("MQTT_TOPIC_BASE"), "Mqtt topic prefix, use MQTT_TOPIC_BASE if args not set")
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flag.StringVar(&device, "device", "/dev/serial0", "Serial device")
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flag.IntVar(&baud, "baud", 115200, "Serial baud")
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flag.BoolVar(&debug, "debug", false, "Display raw value to debug")
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flag.Parse()
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if len(os.Args) <= 1 {
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flag.PrintDefaults()
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os.Exit(1)
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}
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pubSub := mqttdevice.NewPahoMqttPubSub(mqttBroker, username, password, clientId, mqttQos, mqttRetain)
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defer func() {
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err := pubSub.Close()
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if err != nil {
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log.Printf("unable to close pubsub: %v", err)
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}
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}()
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a := arduino.NewPart(device, baud, pubSub, topicBase, pubFrequency, debug)
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err := a.Start()
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if err != nil {
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log.Printf("unable to start service: %v", err)
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}
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}
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