75 lines
1.6 KiB
Go
75 lines
1.6 KiB
Go
package tasmota
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import (
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"errors"
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"fmt"
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"net/url"
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"strings"
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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/evcc-io/evcc/util/transport"
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)
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// Connection is the Tasmota connection
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type Connection struct {
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*request.Helper
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uri, user, password string
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}
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// NewConnection creates a Tasmota connection
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func NewConnection(uri, user, password string) (*Connection, error) {
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if uri == "" {
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return nil, errors.New("missing uri")
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}
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log := util.NewLogger("tasmota")
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c := &Connection{
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Helper: request.NewHelper(log),
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uri: util.DefaultScheme(strings.TrimRight(uri, "/"), "http"),
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user: user,
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password: password,
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}
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c.Client.Transport = request.NewTripper(log, transport.Insecure())
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return c, nil
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}
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// ExecCmd executes an api command and provides the response
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func (d *Connection) ExecCmd(cmd string, res interface{}) error {
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parameters := url.Values{
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"user": []string{d.user},
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"password": []string{d.password},
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"cmnd": []string{cmd},
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}
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err := d.GetJSON(fmt.Sprintf("%s/cm?%s", d.uri, parameters.Encode()), res)
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if err != nil {
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return err
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}
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return nil
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}
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// CurrentPower provides current power consumption
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func (d *Connection) CurrentPower() (float64, error) {
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var res *StatusSNSResponse
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err := d.ExecCmd("Status 8", &res)
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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.StatusSNS.Energy.Power), nil
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}
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// TotalEnergy implements the api.MeterEnergy interface
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func (d *Connection) TotalEnergy() (float64, error) {
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var res *StatusSNSResponse
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err := d.ExecCmd("Status 8", &res)
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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.StatusSNS.Energy.Total), nil
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}
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