evcc-io/charger/fritzdect.go
2025-10-31 15:25:53 +00:00

115 lines
2.6 KiB
Go

package charger
import (
"errors"
"strconv"
"github.com/evcc-io/evcc/api"
"github.com/evcc-io/evcc/meter/fritzdect"
"github.com/evcc-io/evcc/util"
)
// FRITZ! FritzBox AHA interface specifications:
// https://fritz.com/fileadmin/user_upload/Global/Service/Schnittstellen/AHA-HTTP-Interface.pdf
// FritzDECT charger implementation
type FritzDECT struct {
conn *fritzdect.Connection
*switchSocket
}
func init() {
registry.Add("fritzdect", NewFritzDECTFromConfig)
}
// NewFritzDECTFromConfig creates a fritzdect charger from generic config
func NewFritzDECTFromConfig(other map[string]any) (api.Charger, error) {
var cc struct {
embed `mapstructure:",squash"`
fritzdect.Settings `mapstructure:",squash"`
StandbyPower float64
}
if err := util.DecodeOther(other, &cc); err != nil {
return nil, err
}
if cc.User == "" || cc.Password == "" {
return nil, api.ErrMissingCredentials
}
return NewFritzDECT(cc.embed, cc.URI, cc.AIN, cc.User, cc.Password, cc.StandbyPower)
}
// NewFritzDECT creates a new connection with standbypower for charger
func NewFritzDECT(embed embed, uri, ain, user, password string, standbypower float64) (*FritzDECT, error) {
conn, err := fritzdect.NewConnection(uri, ain, user, password)
if err != nil {
return nil, err
}
c := &FritzDECT{
conn: conn,
}
c.switchSocket = NewSwitchSocket(&embed, c.Enabled, c.conn.CurrentPower, standbypower)
return c, nil
}
// Status implements the api.Charger interface
func (c *FritzDECT) Status() (api.ChargeStatus, error) {
resp, err := c.conn.ExecCmd("getswitchpresent")
if err != nil {
return api.StatusNone, err
}
present, err := strconv.ParseBool(resp)
if err == nil && !present {
err = api.ErrNotAvailable
}
if err != nil {
return api.StatusNone, err
}
return c.switchSocket.Status()
}
// Enabled implements the api.Charger interface
func (c *FritzDECT) Enabled() (bool, error) {
resp, err := c.conn.ExecCmd("getswitchstate")
if err != nil {
return false, err
}
return strconv.ParseBool(resp)
}
// Enable implements the api.Charger interface
func (c *FritzDECT) Enable(enable bool) error {
cmd := "setswitchoff"
if enable {
cmd = "setswitchon"
}
// on 0/1 - DECT Switch state off/on (empty if unknown or error)
resp, err := c.conn.ExecCmd(cmd)
if err != nil {
return err
}
on, err := strconv.ParseBool(resp)
if err == nil && enable != on {
err = errors.New("switch failed")
}
return err
}
var _ api.MeterEnergy = (*FritzDECT)(nil)
// TotalEnergy implements the api.MeterEnergy interface
func (c *FritzDECT) TotalEnergy() (float64, error) {
return c.conn.TotalEnergy()
}