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Hesotec: fix phase values

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This commit is contained in:
andig 2024-01-01 13:14:32 +01:00
parent 23284f79a9
commit 59db35a011
1 changed files with 19 additions and 14 deletions
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33
charger/hesotec.go
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@ -180,26 +180,31 @@ var _ api.PhaseCurrents = (*Hesotec)(nil)
// Currents implements the api.PhaseCurrents interface
func (wb *Hesotec) Currents() (float64, float64, float64, error) {
return wb.getPhaseValues(hesotecRegCurrents, 2, 1e3)
}
var _ api.PhaseVoltages = (*Hesotec)(nil)
// Voltages implements the api.PhaseVoltages interface
func (wb *Hesotec) Voltages() (float64, float64, float64, error) {
return wb.getPhaseValues(hesotecRegVoltages, 1, 1)
}
// getPhaseValues returns 3 sequential phase values
func (wb *Hesotec) getPhaseValues(reg, width uint16, divider float64) (float64, float64, float64, error) {
b, err := wb.conn.ReadHoldingRegisters(reg, 3*width)
b, err := wb.conn.ReadHoldingRegisters(hesotecRegCurrents, 6)
if err != nil {
return 0, 0, 0, err
}
var res [3]float64
for i := range res {
res[i] = float64(binary.BigEndian.Uint32(b[2*int(width)*i:])) / divider
res[i] = float64(binary.BigEndian.Uint32(b[4*i:])) / 1e3
}
return res[0], res[1], res[2], nil
}
var _ api.PhaseVoltages = (*Hesotec)(nil)
// Voltages implements the api.PhaseVoltages interface
func (wb *Hesotec) Voltages() (float64, float64, float64, error) {
b, err := wb.conn.ReadHoldingRegisters(hesotecRegVoltages, 3)
if err != nil {
return 0, 0, 0, err
}
var res [3]float64
for i := range res {
res[i] = float64(binary.BigEndian.Uint16(b[2*i:]))
}
return res[0], res[1], res[2], nil