meshastic.web/src/components/PageComponents/ModuleConfig/Serial.tsx

import { useEffect } from "react";
import { Controller, useForm, useWatch } from "react-hook-form";
import { Input } from "@components/form/Input.js";
import { Toggle } from "@components/form/Toggle.js";
import { SerialValidation } from "@app/validation/moduleConfig/serial.js";
import { Form } from "@components/form/Form";
import { useDevice } from "@core/providers/useDevice.js";
import { classValidatorResolver } from "@hookform/resolvers/class-validator";
import { Protobuf } from "@meshtastic/meshtasticjs";
import { renderOptions } from "@core/utils/selectEnumOptions";
import { Select } from "@components/form/Select";

export const Serial = (): JSX.Element => {
  const { moduleConfig, setWorkingModuleConfig } = useDevice();
  const { register, handleSubmit, reset, control } = useForm<SerialValidation>({
    mode: "onChange",
    defaultValues: moduleConfig.serial,
    resolver: classValidatorResolver(SerialValidation)
  });

  useEffect(() => {
    reset(moduleConfig.serial);
  }, [reset, moduleConfig.serial]);

  const onSubmit = handleSubmit((data) => {
    setWorkingModuleConfig(
      new Protobuf.ModuleConfig({
        payloadVariant: {
          case: "serial",
          value: data
        }
      })
    );
  });

  const moduleEnabled = useWatch({
    control,
    name: "enabled",
    defaultValue: false
  });

  return (
    <Form onSubmit={onSubmit}>
      <Controller
        name="enabled"
        control={control}
        render={({ field: { value, ...rest } }) => (
          <Toggle
            label="Module Enabled"
            description="Enable Serial output"
            checked={value}
            {...rest}
          />
        )}
      />
      <Controller
        name="echo"
        control={control}
        render={({ field: { value, ...rest } }) => (
          <Toggle
            label="Echo"
            description="Any packets you send will be echoed back to your device"
            checked={value}
            {...rest}
          />
        )}
      />
      <Input
        type="number"
        label="RX Pin"
        description="Set the GPIO pin to the RXD pin you have set up."
        disabled={!moduleEnabled}
        {...register("rxd", {
          valueAsNumber: true
        })}
      />
      <Input
        type="number"
        label="TX Pin"
        description="Set the GPIO pin to the TXD pin you have set up."
        disabled={!moduleEnabled}
        {...register("txd", {
          valueAsNumber: true
        })}
      />
      <Select
        label="Baud Rate"
        description="The serial baud rate"
        disabled={!moduleEnabled}
        {...register("baud", { valueAsNumber: true })}
      >
        {renderOptions(Protobuf.ModuleConfig_SerialConfig_Serial_Baud)}
      </Select>
      <Input
        type="number"
        label="Timeout"
        suffix="Seconds"
        description="Seconds to wait before we consider your packet as 'done'"
        disabled={!moduleEnabled}
        {...register("timeout", {
          valueAsNumber: true
        })}
      />
      <Select
        label="Mode"
        description="Select Mode"
        disabled={!moduleEnabled}
        {...register("mode", { valueAsNumber: true })}
      >
        {renderOptions(Protobuf.ModuleConfig_SerialConfig_Serial_Mode)}
      </Select>
    </Form>
  );
};