Enum ClientRequest 

pub enum ClientRequest {
    ReadMultipleCoils {
        unit: UnitIdOrSlaveAddr,
        address: u16,
        quantity: u16,
    },
    WriteSingleCoil {
        unit: UnitIdOrSlaveAddr,
        address: u16,
        value: bool,
    },
    WriteMultipleCoils {
        unit: UnitIdOrSlaveAddr,
        address: u16,
        coils: Coils,
    },
    ReadHoldingRegisters {
        unit: UnitIdOrSlaveAddr,
        address: u16,
        quantity: u16,
    },
    ReadInputRegisters {
        unit: UnitIdOrSlaveAddr,
        address: u16,
        quantity: u16,
    },
    WriteSingleRegister {
        unit: UnitIdOrSlaveAddr,
        address: u16,
        value: u16,
    },
    WriteMultipleRegisters {
        unit: UnitIdOrSlaveAddr,
        address: u16,
        values: Vec<u16, { mbus_core::data_unit::common::MAX_PDU_DATA_LEN }>,
    },
    ReadWriteMultipleRegisters {
        unit: UnitIdOrSlaveAddr,
        read_address: u16,
        read_quantity: u16,
        write_address: u16,
        write_values: Vec<u16, { mbus_core::data_unit::common::MAX_PDU_DATA_LEN }>,
    },
    MaskWriteRegister {
        unit: UnitIdOrSlaveAddr,
        address: u16,
        and_mask: u16,
        or_mask: u16,
    },
    ReadDiscreteInputs {
        unit: UnitIdOrSlaveAddr,
        address: u16,
        quantity: u16,
    },
    ReadFifoQueue {
        unit: UnitIdOrSlaveAddr,
        address: u16,
    },
    ReadFileRecord {
        unit: UnitIdOrSlaveAddr,
        sub_request: SubRequest,
    },
    WriteFileRecord {
        unit: UnitIdOrSlaveAddr,
        sub_request: SubRequest,
    },
    ReadDeviceIdentification {
        unit: UnitIdOrSlaveAddr,
        read_device_id_code: ReadDeviceIdCode,
        object_id: ObjectId,
    },
    EncapsulatedInterfaceTransport {
        unit: UnitIdOrSlaveAddr,
        mei_type: EncapsulatedInterfaceType,
        data: Vec<u8, { mbus_core::data_unit::common::MAX_PDU_DATA_LEN }>,
    },
    ReadExceptionStatus {
        unit: UnitIdOrSlaveAddr,
    },
    Diagnostics {
        unit: UnitIdOrSlaveAddr,
        sub_function: DiagnosticSubFunction,
        data: Vec<u16, { mbus_core::data_unit::common::MAX_PDU_DATA_LEN }>,
    },
    GetCommEventCounter {
        unit: UnitIdOrSlaveAddr,
    },
    GetCommEventLog {
        unit: UnitIdOrSlaveAddr,
    },
    ReportServerId {
        unit: UnitIdOrSlaveAddr,
    },
}

User-supplied parameters for a single Modbus request.

Each variant corresponds to one function code (or a closely related group). The task assigns the transaction id; callers never supply it here.

Variants

ReadMultipleCoils

Read multiple coils (FC 01).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

address: u16

Starting address.

quantity: u16

Number of coils to read.

WriteSingleCoil

Write a single coil (FC 05).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

address: u16

Address to write.

value: bool

Value to write.

WriteMultipleCoils

Write multiple coils (FC 15 / 0F).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

address: u16

Starting address.

coils: Coils

Coils values to write.

ReadHoldingRegisters

Read holding registers (FC 03).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

address: u16

Starting address.

quantity: u16

Number of registers to read.

ReadInputRegisters

Read input registers (FC 04).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

address: u16

Starting address.

quantity: u16

Number of registers to read.

WriteSingleRegister

Write a single register (FC 06).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

address: u16

Address to write.

value: u16

Value to write.

WriteMultipleRegisters

Write multiple registers (FC 16 / 10).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

address: u16

Starting address.

values: Vec<u16, { mbus_core::data_unit::common::MAX_PDU_DATA_LEN }>

Register values to write.

ReadWriteMultipleRegisters

Read and write multiple registers (FC 23 / 17).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

read_address: u16

Address to read from.

read_quantity: u16

Number of registers to read.

write_address: u16

Address to write to.

write_values: Vec<u16, { mbus_core::data_unit::common::MAX_PDU_DATA_LEN }>

Register values to write.

MaskWriteRegister

Mask write register (FC 22 / 16).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

address: u16

Address to write.

and_mask: u16

AND mask to apply.

or_mask: u16

OR mask to apply.

ReadDiscreteInputs

Read discrete inputs (FC 02).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

address: u16

Starting address.

quantity: u16

Number of inputs to read.

ReadFifoQueue

Read FIFO queue (FC 18).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

address: u16

FIFO queue address.

ReadFileRecord

Read file record (FC 14).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

sub_request: SubRequest

Sub request details.

WriteFileRecord

Write file record (FC 15).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

sub_request: SubRequest

Sub request details.

ReadDeviceIdentification

Read device identification (FC 43/14).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

read_device_id_code: ReadDeviceIdCode

Read Device ID Code.

object_id: ObjectId

Object ID to request.

EncapsulatedInterfaceTransport

Encapsulated interface transport (FC 43).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

mei_type: EncapsulatedInterfaceType

MEI Type.

data: Vec<u8, { mbus_core::data_unit::common::MAX_PDU_DATA_LEN }>

MEI request data.

ReadExceptionStatus

Read exception status (FC 07).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

Diagnostics

Diagnostics sub-function execution (FC 08).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

sub_function: DiagnosticSubFunction

Diagnostic sub-function code.

data: Vec<u16, { mbus_core::data_unit::common::MAX_PDU_DATA_LEN }>

Sub-function data.

GetCommEventCounter

Get communication event counter (FC 11 / 0B).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

GetCommEventLog

Get communication event log (FC 12 / 0C).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

ReportServerId

Report server ID (FC 17 / 11).

Fields

unit: UnitIdOrSlaveAddr

Unit or slave address of the Modbus device.

Trait Implementations

impl Debug for ClientRequest

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.