82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package meter
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import (
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"fmt"
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"strings"
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"time"
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"github.com/evcc-io/evcc/api"
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"github.com/evcc-io/evcc/meter/zendure"
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"github.com/evcc-io/evcc/util"
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)
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func init() {
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registry.Add("zendure", NewZendureFromConfig)
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}
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type Zendure struct {
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usage string
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conn *zendure.Connection
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}
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//go:generate go tool decorate -f decorateZendure -b *Zendure -r api.Meter -t "api.Battery,Soc,func() (float64, error)" -t "api.BatteryCapacity,Capacity,func() float64"
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// NewZendureFromConfig creates a Zendure meter from generic config
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func NewZendureFromConfig(other map[string]interface{}) (api.Meter, error) {
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cc := struct {
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batteryCapacity `mapstructure:",squash"`
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Usage, Account, Serial, Region string
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Timeout time.Duration
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}{
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Region: "EU",
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Timeout: 30 * time.Second,
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}
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if err := util.DecodeOther(other, &cc); err != nil {
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return nil, err
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}
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conn, err := zendure.NewConnection(strings.ToUpper(cc.Region), cc.Account, cc.Serial, cc.Timeout)
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if err != nil {
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return nil, err
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}
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c := &Zendure{
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usage: cc.Usage,
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conn: conn,
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}
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// decorate battery
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var soc func() (float64, error)
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if cc.Usage == "battery" {
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soc = c.soc
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}
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return decorateZendure(c, soc, cc.batteryCapacity.Decorator()), nil
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}
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// CurrentPower implements the api.Meter interface
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func (c *Zendure) CurrentPower() (float64, error) {
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res, err := c.conn.Data()
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if err != nil {
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return 0, err
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}
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switch c.usage {
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case "pv":
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return float64(res.SolarInputPower), nil
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case "battery":
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return float64(res.PackInputPower) - float64(res.OutputPackPower), nil
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default:
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return 0, fmt.Errorf("invalid usage: %s", c.usage)
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}
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}
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// soc implements the api.Battery interface
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func (c *Zendure) soc() (float64, error) {
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res, err := c.conn.Data()
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if err != nil {
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return 0, err
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}
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return float64(res.ElectricLevel), nil
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}
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