101 lines
2.1 KiB
Go
101 lines
2.1 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/util/config"
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"github.com/spf13/cobra"
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)
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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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Args: cobra.MaximumNArgs(1),
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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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withCustomTemplate(chargerRampCmd)
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chargerRampCmd.Flags().StringP(flagDigits, "", "0", "fractional digits (0..2)")
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chargerRampCmd.Flags().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 := api.Cap[api.ChargerEx](c); 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 := api.Cap[api.Meter](c); 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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// load config
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if err := loadConfigFile(&conf, !cmd.Flag(flagIgnoreDatabase).Changed); 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(cmd, &conf); err != nil {
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log.FATAL.Fatal(err)
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}
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if err := configureChargers(conf.Chargers, args...); err != nil {
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log.FATAL.Fatal(err)
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}
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digits, err := strconv.Atoi(cmd.Flag(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.Flag(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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chargers := config.Chargers().Devices()
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for _, v := range config.Instances(chargers) {
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if digits > 0 && !api.HasCap[api.ChargerEx](v) {
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log.ERROR.Fatalln("charger does not support mA control")
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}
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ramp(v, digits, delay)
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}
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}
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