fix(cmd/sensor): set tick duration for new sensors

cmd/sensor/add.go

@@ -8,12 +8,15 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var enabled bool
-var gpioIn string
-var i2cAddress uint8
-var i2cBus int
-var location string
-var wireID string
+var (
+	enabled      bool
+	gpioIn       string
+	i2cAddress   uint8
+	i2cBus       int
+	location     string
+	tickDuration string
+	wireID       string
+)
 
 var addSensorCmd = &cobra.Command{
 	Use:     "add",
@@ -38,10 +41,11 @@ flucky sensor add --i2c-bus 1 --i2c-address 0x76 wetter-station BME280`,
 
 		// create new sensor struct
 		sensor := &types.Sensor{
-			Name:     args[0],
-			Model:    sensorModel,
-			Location: location,
-			Enabled:  enabled,
+			Name:         args[0],
+			Model:        sensorModel,
+			Location:     location,
+			Enabled:      enabled,
+			TickDuration: tickDuration,
 		}
 
 		// determine gpio port if set
@@ -90,10 +94,11 @@ flucky sensor add --i2c-bus 1 --i2c-address 0x76 wetter-station BME280`,
 func init() {
 	sensorCmd.AddCommand(addSensorCmd)
 
-	addSensorCmd.Flags().BoolVar(&enabled, "enabled", true, "Enable Sensor")
-	addSensorCmd.Flags().StringVar(&gpioIn, "gpio", "", "GPIO")
-	addSensorCmd.Flags().Uint8Var(&i2cAddress, "i2c-address", 0, "I2C-Address")
-	addSensorCmd.Flags().IntVar(&i2cBus, "i2c-bus", 0, "I2C-Bus")
-	addSensorCmd.Flags().StringVar(&location, "location", "", "Sensor location")
-	addSensorCmd.Flags().StringVar(&wireID, "wire-id", "", "Wire-ID")
+	addSensorCmd.Flags().BoolVar(&enabled, "enabled", true, "Enable new sensor")
+	addSensorCmd.Flags().StringVar(&gpioIn, "gpio", "", "Defines the GPIO port")
+	addSensorCmd.Flags().Uint8Var(&i2cAddress, "i2c-address", 0, "Defines the I2C address on the I2C bus")
+	addSensorCmd.Flags().IntVar(&i2cBus, "i2c-bus", 0, "Defines the I2C bus")
+	addSensorCmd.Flags().StringVar(&location, "location", "", "Location of the sensor")
+	addSensorCmd.Flags().StringVar(&tickDuration, "tick-duration", "1m", "Controls how often values should be read from the sensor when running flucky in daemon mode")
+	addSensorCmd.Flags().StringVar(&wireID, "wire-id", "", "Defines the Wire-ID")
 }

pkg/cli/cli.go

@@ -68,7 +68,7 @@ func PrintSensors(cnf *config.Configuration, w io.Writer) error {
 	// declar tabwriter
 	tw := tabwriter.NewWriter(w, 0, 0, 3, ' ', 0)
 
-	fmt.Fprint(tw, "name\tlocation\ttype\twire-id\ti2c-bus\ti2c-address\tgpio\tenabled\n")
+	fmt.Fprint(tw, "name\tlocation\ttype\twire-id\ti2c-bus\ti2c-address\tgpio\ttick-duration\tenabled\n")
 
 	for _, sensor := range cnf.Sensors {
 		fmt.Fprintf(tw, "%v\t%v\t%v\t", sensor.Name, sensor.Location, sensor.Model)
@@ -97,7 +97,7 @@ func PrintSensors(cnf *config.Configuration, w io.Writer) error {
 			fmt.Fprintf(tw, "\t")
 		}
 
-		fmt.Fprintf(tw, "%v\n", sensor.Enabled)
+		fmt.Fprintf(tw, "%v\t%v\n", sensor.TickDuration, sensor.Enabled)
 	}
 
 	tw.Flush()

pkg/config/config.go

@@ -81,6 +81,11 @@ func (c *Configuration) AddSensor(sensor *types.Sensor) error {
 		}
 	}
 
+	// check if sensor has a valid tick time
+	if _, err := time.ParseDuration(sensor.TickDuration); err != nil {
+		return fmt.Errorf("Can not parse tick duration: %v", sensor.TickDuration)
+	}
+
 	// check if sensor has a valid device id
 	if sensor.DeviceID != c.Device.ID {
 		sensor.DeviceID = c.Device.ID