Add SGready charger with boost relay (#21820)

charger/sgready-boost.go

@@ -0,0 +1,79 @@
+package charger
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/evcc-io/evcc/api"
+	"github.com/evcc-io/evcc/charger/measurement"
+	"github.com/evcc-io/evcc/util"
+	"github.com/evcc-io/evcc/util/config"
+)
+
+func init() {
+	registry.AddCtx("sgready-boost", NewSgReadyBoostFromConfig)
+}
+
+// NewSgReadyBoostFromConfig creates an SG Ready charger with boost relay from generic config
+func NewSgReadyBoostFromConfig(ctx context.Context, other map[string]interface{}) (api.Charger, error) {
+	cc := struct {
+		embed                   `mapstructure:",squash"`
+		Charger                 config.Typed
+		measurement.Temperature `mapstructure:",squash"`
+	}{
+		embed: embed{
+			Icon_:     "heatpump",
+			Features_: []api.Feature{api.Heating, api.IntegratedDevice},
+		},
+	}
+
+	if err := util.DecodeOther(other, &cc); err != nil {
+		return nil, err
+	}
+
+	charger, err := NewFromConfig(ctx, cc.Charger.Type, cc.Charger.Other)
+	if err != nil {
+		return nil, err
+	}
+
+	tempG, limitTempG, err := cc.Temperature.Configure(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	res, err := NewSgReadyBoost(ctx, &cc.embed, charger)
+	if err != nil {
+		return nil, err
+	}
+
+	return decorateSgReady(res, nil, nil, tempG, limitTempG), nil
+}
+
+// NewSgReadyBoost creates SG Ready charger with boost relay
+func NewSgReadyBoost(ctx context.Context, embed *embed, charger api.Charger) (*SgReady, error) {
+	modeS := func(mode int64) error {
+		switch mode {
+		case Dimm:
+			return api.ErrNotAvailable
+		case Normal:
+			return charger.Enable(false)
+		case Boost:
+			return charger.Enable(true)
+		default:
+			return fmt.Errorf("invalid sgready mode: %d", mode)
+		}
+	}
+
+	modeG := func() (int64, error) {
+		enabled, err := charger.Enabled()
+		if err != nil {
+			return 0, err
+		}
+		if enabled {
+			return Boost, nil
+		}
+		return Normal, nil
+	}
+
+	return NewSgReady(ctx, embed, modeS, modeG, nil)
+}