Function serialAsciiServerLayer

serialAsciiServerLayer(
options: SerialServerOptions,
handlers: ServerHandlers,
): Layer<never, ModbusError>
A scoped Layer that starts a Modbus serial ASCII server.
Parameters
- options: SerialServerOptions
  Serial port options (path, baud rate, unit ID, etc.).
- handlers: ServerHandlers
  Callback functions that handle incoming Modbus requests.
Returns Layer<never, ModbusError>
A Layer that fails with ModbusError on bind failure.
Example
```
import { Effect, Layer } from "effect";
import { serialAsciiServerLayer } from "@flux-control/effect-modbus-rs";

const ServerLive = serialAsciiServerLayer(
  { portPath: "/dev/ttyUSB0", baudRate: 9600, unitId: 1 },
  { onReadCoils: (req) => [false, false] },
);

Layer.launch(ServerLive).pipe(Effect.runPromise);
```
See
- SerialServerOptions — Options accepted by the upstream serial server.
- ServerHandlers — Interface for request handler callbacks.
- Defined in src/SerialModbusServerService.ts:81