101 lines
2.3 KiB
Go
101 lines
2.3 KiB
Go
package charger
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import (
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"fmt"
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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/shelly"
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"github.com/evcc-io/evcc/util"
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)
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// Shelly charger implementation
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type Shelly struct {
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conn *shelly.Connection
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*switchSocket
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}
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func init() {
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registry.Add("shelly", NewShellyFromConfig)
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}
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//go:generate go tool decorate -f decorateShelly -b *Shelly -r api.Charger -t api.PhaseVoltages,api.PhaseCurrents,api.PhasePowers
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// NewShellyFromConfig creates a Shelly charger from generic config
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func NewShellyFromConfig(other map[string]any) (api.Charger, error) {
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cc := struct {
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embed `mapstructure:",squash"`
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URI string
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User string
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Password string
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Channel int
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StandbyPower float64
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Cache time.Duration
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}{
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Cache: 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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c, err := NewShelly(cc.embed, cc.URI, cc.User, cc.Password, cc.Channel, cc.StandbyPower, cc.Cache)
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if err != nil {
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return nil, err
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}
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var vol, cur, pow func() (float64, float64, float64, error)
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if phases, ok := c.conn.Generation.(shelly.Phases); ok {
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vol = phases.Voltages
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cur = phases.Currents
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pow = phases.Powers
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}
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return decorateShelly(c, vol, cur, pow), nil
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}
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// NewShelly creates Shelly charger
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func NewShelly(embed embed, uri, user, password string, channel int, standbypower float64, cache time.Duration) (*Shelly, error) {
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conn, err := shelly.NewConnection(uri, user, password, channel, cache)
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if err != nil {
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return nil, err
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}
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c := &Shelly{
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conn: conn,
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}
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c.switchSocket = NewSwitchSocket(&embed, c.Enabled, c.conn.CurrentPower, standbypower)
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return c, nil
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}
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// Enabled implements the api.Charger interface
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func (c *Shelly) Enabled() (bool, error) {
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return c.conn.Enabled()
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}
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// Enable implements the api.Charger interface
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func (c *Shelly) Enable(enable bool) error {
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if err := c.conn.Enable(enable); err != nil {
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return err
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}
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enabled, err := c.Enabled()
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switch {
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case err != nil:
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return err
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case enable != enabled:
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onoff := map[bool]string{true: "on", false: "off"}
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return fmt.Errorf("switch %s failed", onoff[enable])
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default:
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return nil
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}
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}
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var _ api.MeterEnergy = (*Shelly)(nil)
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// TotalEnergy implements the api.MeterEnergy interface
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func (c *Shelly) TotalEnergy() (float64, error) {
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return c.conn.TotalEnergy()
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}
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