rtu

package

v0.3.0 Latest Latest Go to latest Published: Apr 21, 2021 License: BSD-3-Clause Imports: 4 Imported by: 0

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

RTUClientHandler implements Packager and Transporter interface.

func NewRTUClientHandler(address string) *RTUClientHandler

NewRTUClientHandler allocates and initializes a RTUClientHandler.

func (mb *RTUClientHandler) Decode(adu []byte) (pdu *ProtocolDataUnit, err error)

Decode extracts PDU from RTU frame and verify CRC.

func (mb *RTUClientHandler) Encode(pdu *ProtocolDataUnit) (adu []byte, err error)

Encode encodes PDU in a RTU frame:

Slave Address   : 1 byte
Function        : 1 byte
Data            : 0 up to 252 bytes
CRC             : 2 byte

func (mb *RTUClientHandler) Received(handler func(data []byte))

func (mb *RTUClientHandler) Send(aduRequest []byte) (aduResponse []byte, err error)

func (mb *RTUClientHandler) Verify(aduRequest []byte, aduResponse []byte) (err error)

Verify verifies response length and slave id.