rs485

package
v0.0.0-...-33463eb Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jun 11, 2024 License: BSD-3-Clause Imports: 8 Imported by: 27

Documentation

Index

Constants

View Source 
const (
	ReadHoldingReg = 3
	ReadInputReg   = 4
)

Variables

View Source 
var Producers = make(map[string]func() Producer)

Producers is the registry of Producer factory functions

Functions

func RTUFloat64ToFloat64 

func RTUFloat64ToFloat64(b []byte) float64

RTUFloat64ToFloat64 converts 64 bit float readings

func RTUIeee754SolaredgeToFloat64 

func RTUIeee754SolaredgeToFloat64(b []byte) float64

RTUIeee754SolaredgeToFloat64 converts 32 bit IEEE 754 solar edge big endian float readings The wire protocol seems to have some strange byte ordering (?)

func RTUIeee754ToFloat64 

func RTUIeee754ToFloat64(b []byte) float64

RTUIeee754ToFloat64 converts 32 bit IEEE 754 float readings

func RTUIeee754ToFloat64Swapped 

func RTUIeee754ToFloat64Swapped(b []byte) float64

RTUIeee754ToFloat64Swapped converts 32 bit IEEE 754 float readings

func RTUInt16ToFloat64 

func RTUInt16ToFloat64(b []byte) float64

RTUInt16ToFloat64 converts 16 bit signed integer readings

func RTUInt32ToFloat64 

func RTUInt32ToFloat64(b []byte) float64

RTUInt32ToFloat64 converts 32 bit signed integer readings

func RTUInt32ToFloat64Swapped 

func RTUInt32ToFloat64Swapped(b []byte) float64

RTUInt32ToFloat64Swapped converts 32 bit unsigned integer readings with swapped word order

func RTUInt64ToFloat64 

func RTUInt64ToFloat64(b []byte) float64

RTUInt64ToFloat64 converts 64 bit signed integer readings

func RTUUint16ToFloat64 

func RTUUint16ToFloat64(b []byte) float64

RTUUint16ToFloat64 converts 16 bit unsigned integer readings

func RTUUint32ToFloat64 

func RTUUint32ToFloat64(b []byte) float64

RTUUint32ToFloat64 converts 32 bit unsigned integer readings

func RTUUint32ToFloat64Swapped 

func RTUUint32ToFloat64Swapped(b []byte) float64

RTUUint32ToFloat64Swapped converts 32 bit unsigned integer readings with swapped word order

func RTUUint64ToFloat64 

func RTUUint64ToFloat64(b []byte) float64

RTUUint64ToFloat64 converts 64 bit unsigned integer readings

func Register 

func Register(typ string, factory func() Producer)

Register registers a producer implementation

Types

type ABBProducer 

type ABBProducer struct {
	Opcodes
}

func (*ABBProducer) Description 

func (p *ABBProducer) Description() string

Description implements Producer interface

func (*ABBProducer) Probe 

func (p *ABBProducer) Probe() Operation

Probe implements Producer interface

func (*ABBProducer) Produce 

func (p *ABBProducer) Produce() (res []Operation)

Produce implements Producer interface

type CarloGavazziEM24Producer 

type CarloGavazziEM24Producer struct {
	Opcodes
}

func (*CarloGavazziEM24Producer) Description 

func (p *CarloGavazziEM24Producer) Description() string

Description implements Producer interface

func (*CarloGavazziEM24Producer) Probe 

func (p *CarloGavazziEM24Producer) Probe() Operation

Probe implements Producer interface

func (*CarloGavazziEM24Producer) Produce 

func (p *CarloGavazziEM24Producer) Produce() (res []Operation)

Produce implements Producer interface

type CarloGavazziEx3xProducer 

type CarloGavazziEx3xProducer struct {
	Opcodes
}

func (*CarloGavazziEx3xProducer) Description 

func (p *CarloGavazziEx3xProducer) Description() string

Description implements Producer interface

func (*CarloGavazziEx3xProducer) Probe 

func (p *CarloGavazziEx3xProducer) Probe() Operation

Probe implements Producer interface

func (*CarloGavazziEx3xProducer) Produce 

func (p *CarloGavazziEx3xProducer) Produce() (res []Operation)

Produce implements Producer interface

type DDMProducer 

type DDMProducer struct {
	Opcodes
}

func (*DDMProducer) Description 

func (p *DDMProducer) Description() string

func (*DDMProducer) Probe 

func (p *DDMProducer) Probe() Operation

func (*DDMProducer) Produce 

func (p *DDMProducer) Produce() (res []Operation)

type DMG610Producer 

type DMG610Producer struct {
	Opcodes
}

func (*DMG610Producer) Description 

func (p *DMG610Producer) Description() string

func (*DMG610Producer) Probe 

func (p *DMG610Producer) Probe() Operation

func (*DMG610Producer) Produce 

func (p *DMG610Producer) Produce() (res []Operation)

type DZGProducer 

type DZGProducer struct {
	Opcodes
}

func (*DZGProducer) Description 

func (p *DZGProducer) Description() string

Description implements Producer interface

func (*DZGProducer) Probe 

func (p *DZGProducer) Probe() Operation

Probe implements Producer interface

func (*DZGProducer) Produce 

func (p *DZGProducer) Produce() (res []Operation)

Produce implements Producer interface

type IEM3000Producer 

type IEM3000Producer struct {
	Opcodes
}

func (*IEM3000Producer) Description 

func (p *IEM3000Producer) Description() string

Description implements Producer interface

func (*IEM3000Producer) Probe 

func (p *IEM3000Producer) Probe() Operation

Probe implements Producer interface

func (*IEM3000Producer) Produce 

func (p *IEM3000Producer) Produce() (res []Operation)

Produce implements Producer interface

type IneproProducer 

type IneproProducer struct {
	Opcodes
}

func (*IneproProducer) Description 

func (p *IneproProducer) Description() string

Description implements Producer interface

func (*IneproProducer) Probe 

func (p *IneproProducer) Probe() Operation

Probe implements Producer interface

func (*IneproProducer) Produce 

func (p *IneproProducer) Produce() (res []Operation)

Produce implements Producer interface

type JanitzaProducer 

type JanitzaProducer struct {
	Opcodes
}

func (*JanitzaProducer) Description 

func (p *JanitzaProducer) Description() string

Description implements Producer interface

func (*JanitzaProducer) Probe 

func (p *JanitzaProducer) Probe() Operation

Probe implements Producer interface

func (*JanitzaProducer) Produce 

func (p *JanitzaProducer) Produce() (res []Operation)

Produce implements Producer interface

type MPM3MPProducer 

type MPM3MPProducer struct {
	Opcodes
}

func (*MPM3MPProducer) Description 

func (p *MPM3MPProducer) Description() string

Description implements Producer interface

func (*MPM3MPProducer) Probe 

func (p *MPM3MPProducer) Probe() Operation

Probe implements Producer interface

func (*MPM3MPProducer) Produce 

func (p *MPM3MPProducer) Produce() (res []Operation)

Produce implements Producer interface

type ORNO1P504Producer 

type ORNO1P504Producer struct {
	Opcodes
}

func (*ORNO1P504Producer) Description 

func (p *ORNO1P504Producer) Description() string

Description implements Producer interface

func (*ORNO1P504Producer) Probe 

func (p *ORNO1P504Producer) Probe() Operation

func (*ORNO1P504Producer) Produce 

func (p *ORNO1P504Producer) Produce() (res []Operation)

Produce implements Producer interface

type ORNO1PProducer 

type ORNO1PProducer struct {
	Opcodes
}

func (*ORNO1PProducer) Description 

func (p *ORNO1PProducer) Description() string

Description implements Producer interface

func (*ORNO1PProducer) Probe 

func (p *ORNO1PProducer) Probe() Operation

func (*ORNO1PProducer) Produce 

func (p *ORNO1PProducer) Produce() (res []Operation)

Produce implements Producer interface

type ORNO3PProducer 

type ORNO3PProducer struct {
	Opcodes
}

func (*ORNO3PProducer) Description 

func (p *ORNO3PProducer) Description() string

Description implements Producer interface

func (*ORNO3PProducer) Probe 

func (p *ORNO3PProducer) Probe() Operation

func (*ORNO3PProducer) Produce 

func (p *ORNO3PProducer) Produce() (res []Operation)

Produce implements Producer interface

type Opcodes 

type Opcodes map[meters.Measurement]uint16

Opcodes map measurements to physical registers

func (*Opcodes) Opcode 

func (o *Opcodes) Opcode(iec meters.Measurement) uint16

Opcode returns physical register for measurement type

type Operation 

type Operation struct {
	FuncCode  uint8
	OpCode    uint16
	ReadLen   uint16
	IEC61850  meters.Measurement
	Transform RTUTransform
}

Operation describes a physical bus operation and its result

type PacProducer 

type PacProducer struct {
	Opcodes
}

func (*PacProducer) Description 

func (p *PacProducer) Description() string

func (*PacProducer) Probe 

func (p *PacProducer) Probe() Operation

func (*PacProducer) Produce 

func (p *PacProducer) Produce() (res []Operation)

type Producer 

type Producer interface {
	// Type returns device description, typically static
	Description() string

	// Produce creates a slice of possible device operations
	Produce() []Operation

	// Produce creates a device operation suited to detect the device during
	// scanning, typically a L1 voltage read operation
	Probe() Operation
}

Producer is the interface that produces query snips which represent modbus operations

func NewABBProducer 

func NewABBProducer() Producer

func NewCarloGavazziEM24Producer 

func NewCarloGavazziEM24Producer() Producer

func NewCarloGavazziEx3xProducer 

func NewCarloGavazziEx3xProducer() Producer

func NewDDMProducer 

func NewDDMProducer() Producer

func NewDMG610Producer 

func NewDMG610Producer() Producer

func NewDZGProducer 

func NewDZGProducer() Producer

func NewIEM3000Producer 

func NewIEM3000Producer() Producer

func NewIneproProducer 

func NewIneproProducer() Producer

func NewJanitzaProducer 

func NewJanitzaProducer() Producer

func NewMPM3MPProducer 

func NewMPM3MPProducer() Producer

func NewORNO1P504Producer 

func NewORNO1P504Producer() Producer

func NewORNO1PProducer 

func NewORNO1PProducer() Producer

func NewORNO3PProducer 

func NewORNO3PProducer() Producer

func NewPacProducer 

func NewPacProducer() Producer

func NewSBCProducer 

func NewSBCProducer() Producer

func NewSDM220Producer 

func NewSDM220Producer() Producer

func NewSDM230Producer 

func NewSDM230Producer() Producer

func NewSDM72Producer 

func NewSDM72Producer() Producer

func NewSDMProducer 

func NewSDMProducer() Producer

func NewSEMTRProducer 

func NewSEMTRProducer() Producer

func NewX961AProducer 

func NewX961AProducer() Producer

type RS485 

type RS485 struct {
	// contains filtered or unexported fields
}

RS485 implements meters.Device

func NewDevice 

func NewDevice(typ string) (*RS485, error)

NewDevice creates a device who's type must exist in the producer registry

func (*RS485) Descriptor 

func (d *RS485) Descriptor() meters.DeviceDescriptor

Descriptor returns the device descriptor. Since this method does not have bus access the descriptor should be prepared during initialization.

func (*RS485) Initialize 

func (d *RS485) Initialize(client modbus.Client) error

Initialize prepares the device for usage. Any setup or initialization should be done here.

func (*RS485) Probe 

func (d *RS485) Probe(client modbus.Client) (res meters.MeasurementResult, err error)

Probe is called by the handler after preparing the bus by setting the device id

func (*RS485) Producer 

func (d *RS485) Producer() Producer

Producer returns the underlying producer. The producer can be used to understand which operations the device supports.

func (*RS485) Query 

func (d *RS485) Query(client modbus.Client) (res []meters.MeasurementResult, err error)

Query is called by the handler after preparing the bus by setting the device id and waiting for rate limit

func (*RS485) QueryOp 

func (d *RS485) QueryOp(client modbus.Client, op Operation) (res meters.MeasurementResult, err error)

QueryOp executes a single query operation on the bus

type RTUTransform 

type RTUTransform func([]byte) float64

RTUTransform functions convert RTU bytes to meaningful data types.

func MakeScaledTransform 

func MakeScaledTransform(transform RTUTransform, scaler float64) RTUTransform

MakeScaledTransform creates an RTUTransform with applied scaler

type SBCProducer 

type SBCProducer struct {
	Opcodes
}

func (*SBCProducer) Description 

func (p *SBCProducer) Description() string

Description implements Producer interface

func (*SBCProducer) Probe 

func (p *SBCProducer) Probe() Operation

func (*SBCProducer) Produce 

func (p *SBCProducer) Produce() (res []Operation)

Produce implements Producer interface

type SDM220Producer 

type SDM220Producer struct {
	Opcodes
}

func (*SDM220Producer) Description 

func (p *SDM220Producer) Description() string

func (*SDM220Producer) Probe 

func (p *SDM220Producer) Probe() Operation

func (*SDM220Producer) Produce 

func (p *SDM220Producer) Produce() (res []Operation)

type SDM230Producer 

type SDM230Producer struct {
	Opcodes
}

func (*SDM230Producer) Description 

func (p *SDM230Producer) Description() string

func (*SDM230Producer) Probe 

func (p *SDM230Producer) Probe() Operation

func (*SDM230Producer) Produce 

func (p *SDM230Producer) Produce() (res []Operation)

type SDM72Producer 

type SDM72Producer struct {
	Opcodes
}

func (*SDM72Producer) Description 

func (p *SDM72Producer) Description() string

func (*SDM72Producer) Probe 

func (p *SDM72Producer) Probe() Operation

This device does not provide voltage data so it is not possible to automatically detect the device

func (*SDM72Producer) Produce 

func (p *SDM72Producer) Produce() (res []Operation)

type SDMProducer 

type SDMProducer struct {
	Opcodes
}

func (*SDMProducer) Description 

func (p *SDMProducer) Description() string

func (*SDMProducer) Probe 

func (p *SDMProducer) Probe() Operation

func (*SDMProducer) Produce 

func (p *SDMProducer) Produce() (res []Operation)

type SEMTRProducer 

type SEMTRProducer struct {
	Opcodes
}

func (*SEMTRProducer) Description 

func (p *SEMTRProducer) Description() string

func (*SEMTRProducer) Probe 

func (p *SEMTRProducer) Probe() Operation

func (*SEMTRProducer) Produce 

func (p *SEMTRProducer) Produce() (res []Operation)

type X961AProducer 

type X961AProducer struct {
	Opcodes
}

func (*X961AProducer) Description 

func (p *X961AProducer) Description() string

func (*X961AProducer) Probe 

func (p *X961AProducer) Probe() Operation

func (*X961AProducer) Produce 

func (p *X961AProducer) Produce() (res []Operation)

Source Files

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