robocar-throttle/cmd/rc-throttle/rc-throttle.go

83 lines
2.9 KiB
Go

package main
import (
"flag"
"github.com/cyrilix/robocar-base/cli"
"github.com/cyrilix/robocar-throttle/pkg/throttle"
"go.uber.org/zap"
"log"
"os"
)
const (
DefaultClientId = "robocar-throttle"
DefaultThrottleMin = 0.3
)
func main() {
var mqttBroker, username, password, clientId string
var throttleTopic, driveModeTopic, rcThrottleTopic, steeringTopic string
var minThrottle, maxThrottle float64
var publishPilotFrequency int
err := cli.SetFloat64DefaultValueFromEnv(&minThrottle, "THROTTLE_MIN", DefaultThrottleMin)
if err != nil {
zap.S().Errorf("unable to parse min throttle value arg: %v", err)
}
err = cli.SetFloat64DefaultValueFromEnv(&maxThrottle, "THROTTLE_MAX", minThrottle)
if err != nil {
zap.S().Errorf("unable to parse max throttle value arg: %v", err)
}
mqttQos := cli.InitIntFlag("MQTT_QOS", 0)
_, mqttRetain := os.LookupEnv("MQTT_RETAIN")
cli.InitMqttFlags(DefaultClientId, &mqttBroker, &username, &password, &clientId, &mqttQos, &mqttRetain)
flag.StringVar(&throttleTopic, "mqtt-topic-throttle", os.Getenv("MQTT_TOPIC_THROTTLE"), "Mqtt topic to publish throttle result, use MQTT_TOPIC_THROTTLE if args not set")
flag.StringVar(&driveModeTopic, "mqtt-topic-drive-mode", os.Getenv("MQTT_TOPIC_DRIVE_MODE"), "Mqtt topic that contains DriveMode value, use MQTT_TOPIC_DRIVE_MODE if args not set")
flag.StringVar(&rcThrottleTopic, "mqtt-topic-rc-throttle", os.Getenv("MQTT_TOPIC_RC_THROTTLE"), "Mqtt topic that contains RC Throttle value, use MQTT_TOPIC_RC_THROTTLE if args not set")
flag.StringVar(&steeringTopic, "mqtt-topic-steering", os.Getenv("MQTT_TOPIC_STEERING"), "Mqtt topic that contains steering value, use MQTT_TOPIC_STEERING if args not set")
flag.Float64Var(&minThrottle, "throttle-min", minThrottle, "Minimum throttle value, use THROTTLE_MIN if args not set")
flag.Float64Var(&maxThrottle, "throttle-max", maxThrottle, "Minimum throttle value, use THROTTLE_MAX if args not set")
flag.IntVar(&publishPilotFrequency, "update-pwm-frequency", 2, "Number of throttle event to publish when pilot mode is enabled")
logLevel := zap.LevelFlag("log", zap.InfoLevel, "log level")
flag.Parse()
if len(os.Args) <= 1 {
flag.PrintDefaults()
os.Exit(1)
}
config := zap.NewDevelopmentConfig()
config.Level = zap.NewAtomicLevelAt(*logLevel)
lgr, err := config.Build()
if err != nil {
log.Fatalf("unable to init logger: %v", err)
}
defer func() {
if err := lgr.Sync(); err != nil {
log.Printf("unable to Sync logger: %v\n", err)
}
}()
zap.ReplaceGlobals(lgr)
client, err := cli.Connect(mqttBroker, username, password, clientId)
if err != nil {
zap.S().Fatalf("unable to connect to mqtt bus: %v", err)
}
defer client.Disconnect(50)
p := throttle.New(client, throttleTopic, driveModeTopic, rcThrottleTopic, steeringTopic, float32(minThrottle), float32(maxThrottle), 2)
defer p.Stop()
cli.HandleExit(p)
err = p.Start()
if err != nil {
zap.S().Fatalf("unable to start service: %v", err)
}
}