Module function_code_handler 

Modbus function code dispatch table: routes PDU requests to typed handlers. Modbus function code dispatch table.

Provides a registry of handlers for each Modbus function code, dispatching incoming PDU requests to the correct handler and returning PDU responses.

Structs

DispatchTable

A mapping from function code bytes to boxed FunctionCodeHandlers.

EchoHandler

A simple handler that echoes the request data back as the response data. Useful for testing and as a default placeholder.

FunctionCodeRequest

A raw Modbus function code request PDU (function code byte + data bytes).

FunctionCodeResponse

A raw Modbus function code response PDU.

Enums

FunctionCode

The nine standard Modbus function codes supported by this implementation.

Traits

FunctionCodeHandler

Trait for objects that can handle a specific Modbus function code.