evcc-io/cmd/setup.go
2020-03-06 08:24:05 +01:00

171 lines
3.4 KiB
Go

package cmd
import (
"fmt"
"math/rand"
"time"
"github.com/andig/evcc/api"
"github.com/andig/evcc/core"
"github.com/andig/evcc/core/wrapper"
"github.com/andig/evcc/provider"
"github.com/spf13/viper"
)
func init() {
rand.Seed(time.Now().UnixNano())
}
// MQTT singleton
var mq *provider.MqttClient
func clientID() string {
pid := rand.Int31()
return fmt.Sprintf("evcc-%d", pid)
}
func configureMeters(conf config) (meters map[string]api.Meter) {
meters = make(map[string]api.Meter)
for _, mc := range conf.Meters {
m := core.NewMeter(
floatGetter(mc.Power),
)
if mc.Energy != nil {
m = &wrapper.CompositeMeter{
Meter: m,
MeterEnergy: core.NewMeterEnergy(floatGetter(mc.Energy)),
}
}
meters[mc.Name] = m
}
return
}
func configureChargers(conf config) (chargers map[string]api.Charger) {
chargers = make(map[string]api.Charger)
for _, cc := range conf.Chargers {
var c api.Charger
switch cc.Type {
case "wallbe":
c = core.NewWallbe(cc.URI)
case "default", "configurable":
c = core.NewCharger(
stringGetter(cc.Status),
intProvider(cc.ActualCurrent),
boolGetter(cc.Enabled),
boolSetter("enable", cc.Enable),
)
// if chargecontroller specified build composite charger
if cc.MaxCurrent != nil {
c = &wrapper.CompositeCharger{
Charger: c,
ChargeController: core.NewChargeController(
intSetter("current", cc.MaxCurrent),
),
}
}
default:
log.FATAL.Fatalf("invalid charger type '%s'", cc.Type)
}
chargers[cc.Name] = c
}
return
}
func configureSoCs(conf config) (socs map[string]api.SoC) {
socs = make(map[string]api.SoC)
for _, sc := range conf.SoCs {
soc := core.NewSoC(
sc.Capacity,
sc.Title,
floatGetter(sc.Charge),
)
socs[sc.Name] = soc
}
return
}
func configureLoadPoint(lp *core.LoadPoint, lpc loadPointConfig) {
if lpc.Mode != "" {
lp.Synced().SetMode(api.ChargeMode(lpc.Mode))
}
if lpc.MinCurrent > 0 {
lp.MinCurrent = lpc.MinCurrent
}
if lpc.MaxCurrent > 0 {
lp.MaxCurrent = lpc.MaxCurrent
}
if lpc.Voltage > 0 {
lp.Voltage = lpc.Voltage
}
if lpc.Phases > 0 {
lp.Phases = lpc.Phases
}
if lpc.ResidualPower != 0 {
lp.ResidualPower = lpc.ResidualPower
}
}
func loadConfig(conf config) (loadPoints []*core.LoadPoint) {
if viper.Get("mqtt") != nil {
mq = provider.NewMqttClient(conf.Mqtt.Broker, conf.Mqtt.User, conf.Mqtt.Password, clientID(), 1)
}
meters := configureMeters(conf)
chargers := configureChargers(conf)
socs := configureSoCs(conf)
for _, lpc := range conf.LoadPoints {
charger, ok := chargers[lpc.Charger]
if !ok {
log.FATAL.Fatalf("invalid charger '%s'", lpc.Charger)
}
lp := core.NewLoadPoint(
lpc.Name,
charger,
)
// assign meters
for _, m := range []struct {
key string
meter *api.Meter
}{
{lpc.GridMeter, &lp.GridMeter},
{lpc.ChargeMeter, &lp.ChargeMeter},
{lpc.PVMeter, &lp.PVMeter},
} {
if m.key != "" {
if impl, ok := meters[m.key]; ok {
*m.meter = impl
} else {
log.FATAL.Fatalf("invalid meter '%s'", m.key)
}
}
}
// assign socs
if lpc.SoC != "" {
if impl, ok := socs[lpc.SoC]; ok {
lp.SoC = impl
} else {
log.FATAL.Fatalf("invalid soc '%s'", lpc.SoC)
}
}
// assign remaing config
configureLoadPoint(lp, lpc)
// add loadpoint helper objects
lp.Prepare()
loadPoints = append(loadPoints, lp)
}
return
}