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Webasto Next: fix register usage (#4150)

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andig 2022-08-18 18:21:09 +02:00 • committed by GitHub
parent e6bef6016e
commit fce66c644c
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 19 deletions
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35
charger/webasto-next.go
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@ -34,6 +34,7 @@ type WebastoNext struct {
log *util.Logger
conn *modbus.Connection
current uint16
enabled bool
}
const (
@ -127,18 +128,6 @@ func (wb *WebastoNext) Status() (api.ChargeStatus, error) {
}
}
// Enabled implements the api.Charger interface
func (wb *WebastoNext) Enabled() (bool, error) {
b, err := wb.conn.ReadHoldingRegisters(tqRegChargeCurrent, 1)
if err != nil {
return false, err
}
cur := binary.BigEndian.Uint16(b)
return cur != 0, nil
}
// Enable implements the api.Charger interface
func (wb *WebastoNext) Enable(enable bool) error {
b := make([]byte, 2)
@ -147,10 +136,18 @@ func (wb *WebastoNext) Enable(enable bool) error {
}
_, err := wb.conn.WriteMultipleRegisters(tqRegChargeCurrent, 1, b)
if err == nil {
wb.enabled = enable
}
return err
}
// Enabled implements the api.Charger interface
func (wb *WebastoNext) Enabled() (bool, error) {
return wb.enabled, nil
}
// MaxCurrent implements the api.Charger interface
func (wb *WebastoNext) MaxCurrent(current int64) error {
if current < 6 {
@ -208,14 +205,14 @@ var _ api.MeterCurrent = (*WebastoNext)(nil)
// Currents implements the api.MeterCurrent interface
func (wb *WebastoNext) Currents() (float64, float64, float64, error) {
b, err := wb.conn.ReadHoldingRegisters(tqRegCurrents, 3)
if err != nil {
return 0, 0, 0, err
}
var curr [3]float64
for l := 0; l < 3; l++ {
curr[l] = float64(binary.BigEndian.Uint16(b[2*l:2*(l+1)])) / 1e3
for l := uint16(0); l < 3; l++ {
b, err := wb.conn.ReadInputRegisters(tqRegCurrents+2*l, 1)
if err != nil {
return 0, 0, 0, err
}
curr[l] = float64(binary.BigEndian.Uint16(b)) / 1e3
}
return curr[0], curr[1], curr[2], nil