130 lines
2.9 KiB
Go
130 lines
2.9 KiB
Go
package cmd
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import (
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"fmt"
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"math"
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"strconv"
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"time"
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"github.com/evcc-io/evcc/api"
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"github.com/evcc-io/evcc/cmd/shutdown"
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"github.com/evcc-io/evcc/server"
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"github.com/evcc-io/evcc/util"
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"github.com/evcc-io/evcc/util/request"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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// cmdEcho.AddCommand
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// chargerRampCmd represents the charger command
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var chargerRampCmd = &cobra.Command{
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Use: "ramp [name]",
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Short: "Ramp current from 6..16A in configurable steps",
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Run: runChargerRamp,
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}
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func init() {
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chargerCmd.AddCommand(chargerRampCmd)
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chargerRampCmd.PersistentFlags().StringP(flagName, "n", "", fmt.Sprintf(flagNameDescription, "charger"))
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chargerRampCmd.PersistentFlags().Bool(flagHeaders, false, flagHeadersDescription)
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chargerRampCmd.PersistentFlags().StringP(flagDigits, "", "0", "fractional digits (0..2)")
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chargerRampCmd.PersistentFlags().StringP(flagDelay, "", "1s", "ramp delay")
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}
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func ramp(c api.Charger, digits int, delay time.Duration) {
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steps := math.Pow10(digits)
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delta := 1 / steps
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fmt.Printf("delay:\t%s\n", delay)
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fmt.Printf("\n%6s\t%6s\n", "I (A)", "P (W)")
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if err := c.Enable(true); err != nil {
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log.ERROR.Fatalln(err)
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}
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defer func() { _ = c.Enable(false) }()
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for i := 6.0; i <= 16; {
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var err error
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if cc, ok := c.(api.ChargerEx); ok {
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err = cc.MaxCurrentMillis(i)
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} else {
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err = c.MaxCurrent(int64(i))
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}
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time.Sleep(delay)
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var p float64
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if cc, ok := c.(api.Meter); err == nil && ok {
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p, err = cc.CurrentPower()
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}
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if err != nil {
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log.ERROR.Fatalln(err)
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}
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fmt.Printf("%6.3f\t%6.0f\n", i, p)
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i += delta
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}
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}
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func runChargerRamp(cmd *cobra.Command, args []string) {
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util.LogLevel(viper.GetString("log"), viper.GetStringMapString("levels"))
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log.INFO.Printf("evcc %s", server.FormattedVersion())
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// load config
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if err := loadConfigFile(cfgFile, &conf); err != nil {
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log.FATAL.Fatal(err)
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}
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// setup environment
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if err := configureEnvironment(conf); err != nil {
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log.FATAL.Fatal(err)
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}
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// full http request log
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if cmd.PersistentFlags().Lookup(flagHeaders).Changed {
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request.LogHeaders = true
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}
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// select single charger
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if err := selectByName(cmd, &conf.Chargers); err != nil {
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log.FATAL.Fatal(err)
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}
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if err := cp.configureChargers(conf); err != nil {
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log.FATAL.Fatal(err)
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}
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stopC := make(chan struct{})
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go shutdown.Run(stopC)
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chargers := cp.chargers
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if len(args) == 1 {
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arg := args[0]
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chargers = map[string]api.Charger{arg: cp.Charger(arg)}
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}
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digits, err := strconv.Atoi(cmd.PersistentFlags().Lookup(flagDigits).Value.String())
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if err != nil {
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log.ERROR.Fatalln(err)
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}
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delay, err := time.ParseDuration(cmd.PersistentFlags().Lookup(flagDelay).Value.String())
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if err != nil {
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log.ERROR.Fatalln(err)
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}
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for _, c := range chargers {
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if _, ok := c.(api.ChargerEx); digits > 0 && !ok {
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log.ERROR.Fatalln("charger does not support mA control")
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}
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ramp(c, digits, delay)
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}
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close(stopC)
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<-shutdown.Done()
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}
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