chore: simplify loops

charger/abb.go

@@ -217,7 +217,7 @@ func (wb *ABB) getPhaseValues(reg uint16, divider float64) (float64, float64, fl
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint32(b[4*i:])) / divider
 	}
 

charger/abl-em4.go

@@ -211,7 +211,7 @@ func (wb *AblEm4) getPhaseValues(reg uint16) (float64, float64, float64, error)
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint32(b[4*i:])) / 10
 	}
 

charger/abl.go

@@ -233,7 +233,7 @@ func (wb *ABLeMH) currents() (float64, float64, float64, error) {
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		u := binary.BigEndian.Uint16(b[2*(2+i):])
 		if u == ablAmpsDisabled || u == 1 {
 			u = 0

charger/alfen.go

@@ -233,7 +233,7 @@ func (wb *Alfen) voltagesOrCurrents(reg uint16) (float64, float64, float64, erro
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		f := rs485.RTUIeee754ToFloat64(b[4*i:])
 		if math.IsNaN(f) {
 			f = 0

charger/amperfied.go

@@ -255,7 +255,7 @@ func (wb *Amperfied) getPhaseValues(reg uint16, divider float64) (float64, float
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint16(b[2*i:])) / divider
 	}
 

charger/bender.go

@@ -288,7 +288,7 @@ func (wb *BenderCC) getPhaseValues(reg uint16, divider float64) (float64, float6
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint32(b[4*i:])) / divider
 	}
 

charger/dadapower.go

@@ -196,7 +196,7 @@ func (wb *Dadapower) Currents() (float64, float64, float64, error) {
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint16(b[2*i:])) / 100
 	}
 

charger/daheimladen-mb.go

@@ -244,7 +244,7 @@ func (wb *DaheimLadenMB) getPhaseValues(reg uint16) (float64, float64, float64,
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint32(b[4*i:])) / 10
 	}
 

charger/eebus.go

@@ -444,7 +444,7 @@ func (c *EEBus) currents() (float64, float64, float64, error) {
 		return 0, 0, 0, nil
 	}
 
-	currents, err := c.emobility.EVCurrentsPerPhase()
+	res, err := c.emobility.EVCurrentsPerPhase()
 	if err != nil {
 		if err == features.ErrDataNotAvailable {
 			err = api.ErrNotAvailable
@@ -453,11 +453,11 @@ func (c *EEBus) currents() (float64, float64, float64, error) {
 	}
 
 	// fill phases
-	for i := len(currents); i < 3; i++ {
-		currents = append(currents, 0)
+	for len(res) < 3 {
+		res = append(res, 0)
 	}
 
-	return currents[0], currents[1], currents[2], nil
+	return res[0], res[1], res[2], nil
 }
 
 var _ api.Identifier = (*EEBus)(nil)

charger/etrel.go

@@ -212,7 +212,7 @@ func (wb *Etrel) Currents() (float64, float64, float64, error) {
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(encoding.Float32(b[4*i:]))
 	}
 

charger/heidelberg-ec.go

@@ -266,7 +266,7 @@ func (wb *HeidelbergEC) getPhaseValues(reg uint16, divider float64) (float64, fl
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint16(b[2*i:])) / divider
 	}
 

charger/hesotec.go

@@ -186,7 +186,7 @@ func (wb *Hesotec) Currents() (float64, float64, float64, error) {
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint32(b[4*i:])) / 1e3
 	}
 
@@ -203,7 +203,7 @@ func (wb *Hesotec) Voltages() (float64, float64, float64, error) {
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint16(b[2*i:]))
 	}
 

charger/huawei-ac.go

@@ -196,7 +196,7 @@ func (wb *HuaweiACCharger) getPhaseValues(reg uint16) (float64, float64, float64
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint32(b[4*i:])) / 10
 	}
 

charger/innogy.go

@@ -173,7 +173,7 @@ func (wb *Innogy) Currents() (float64, float64, float64, error) {
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(math.Float32frombits(binary.BigEndian.Uint32(b[4*i:])))
 	}
 

charger/keba-modbus.go

@@ -245,9 +245,9 @@ func (wb *Keba) totalEnergy() (float64, error) {
 // currents implements the api.PhaseCurrents interface
 func (wb *Keba) currents() (float64, float64, float64, error) {
 	var res [3]float64
-	for i := uint16(0); i < 3; i++ {
+	for i := range res {
 		// does not support reading across register boundaries
-		b, err := wb.conn.ReadHoldingRegisters(kebaRegCurrents+2*i, 2)
+		b, err := wb.conn.ReadHoldingRegisters(kebaRegCurrents+2*uint16(i), 2)
 		if err != nil {
 			return 0, 0, 0, err
 		}

charger/kse.go

@@ -195,7 +195,7 @@ func (wb *KSE) Currents() (float64, float64, float64, error) {
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint16(b[2*i:])) / 1e3
 	}
 

charger/mennekes.go

@@ -229,7 +229,7 @@ func (wb *Mennekes) getPhaseValues(reg uint16) (float64, float64, float64, error
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(encoding.Float32LswFirst(b[4*i:]))
 	}
 

charger/obo.go

@@ -70,7 +70,7 @@ func NewObo(uri, device, comset string, baudrate int, proto modbus.Protocol, sla
 	// go func() {
 	// 	conn.WriteSingleRegister(3, 1)
 	// 	for {
-	// 		for i := 0; i < 3; i++ {
+	// 		for i := range res {
 	// 			u := rand.Int31n(256)
 	// 			conn.WriteSingleRegister(uint16(i), uint16(u))
 	// 		}

charger/openwb-2.0.go

@@ -181,7 +181,7 @@ func (wb *OpenWB20) getPhaseValues(reg uint16) (float64, float64, float64, error
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint16(b[2*i:])) / 100
 	}
 

charger/phoenix-charx.go

@@ -218,7 +218,7 @@ func (wb *PhoenixCharx) currents() (float64, float64, float64, error) {
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(encoding.Int32(b[4*i:])) / 1e3
 	}
 
@@ -233,7 +233,7 @@ func (wb *PhoenixCharx) voltages() (float64, float64, float64, error) {
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(encoding.Int32(b[4*i:])) / 1e3
 	}
 

charger/phoenix-em-eth.go

@@ -178,7 +178,7 @@ func (wb *PhoenixEMEth) getPhaseValues(reg uint16) (float64, float64, float64, e
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(encoding.Int32LswFirst(b[4*i:])) / 1e3
 	}
 

charger/phoenix-ev-eth.go

@@ -228,7 +228,7 @@ func (wb *PhoenixEVEth) getPhaseValues(reg uint16) (float64, float64, float64, e
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(encoding.Int32LswFirst(b[4*i:]))
 	}
 

charger/schneider.go

@@ -218,7 +218,7 @@ func (wb *Schneider) getPhaseValues(reg uint16) (float64, float64, float64, erro
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(encoding.Float32LswFirst(b[4*i:]))
 	}
 

charger/versicharge.go

@@ -175,7 +175,7 @@ func (wb *Versicharge) getPhaseValues(reg uint16) (float64, float64, float64, er
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint16(b[2*i:]))
 	}
 

charger/weidmüller.go

@@ -121,7 +121,7 @@ func (wb *Weidmüller) getPhaseValues(reg uint16) (float64, float64, float64, er
 	}
 
 	var res [3]float64
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		res[i] = float64(binary.BigEndian.Uint32(b[4*i:])) / 1e3
 	}
 

meter/dsmr.go

@@ -269,7 +269,7 @@ func (m *Dsmr) totalEnergy() (float64, error) {
 func (m *Dsmr) currents() (float64, float64, float64, error) {
 	var res [3]float64
 
-	for i := 0; i < 3; i++ {
+	for i := range res {
 		var err error
 		if res[i], err = m.get(currentObis[i]); err != nil {
 			return 0, 0, 0, err