Method setStopBitsIndex

app/src/API/Handlers/ModbusHandler.cpp:493–519

* @brief Set RTU stop bits */

 * @brief Set RTU stop bits
 */
API::CommandResponse API::Handlers::ModbusHandler::setStopBitsIndex(const QString& id,
                                                                    const QJsonObject& params)
{
  if (!params.contains(QStringLiteral("stopBitsIndex"))) {
    return CommandResponse::makeError(
      id, ErrorCode::MissingParam, QStringLiteral("Missing required parameter: stopBitsIndex"));
  }

  const int stopBitsIndex  = params.value(QStringLiteral("stopBitsIndex")).toInt();
  auto* modbus             = IO::ConnectionManager::instance().modbus();
  const auto& stopBitsList = modbus->stopBitsList();

  if (stopBitsIndex < 0 || stopBitsIndex >= stopBitsList.count()) {
    return CommandResponse::makeError(id,
                                      ErrorCode::InvalidParam,
                                      QStringLiteral("Invalid stopBitsIndex: %1. Valid range: 0-%2")
                                        .arg(stopBitsIndex)
                                        .arg(stopBitsList.count() - 1));
  }

  modbus->setStopBitsIndex(static_cast<quint8>(stopBitsIndex));

  QJsonObject result;
  result[QStringLiteral("stopBitsIndex")] = stopBitsIndex;
  result[QStringLiteral("stopBitsValue")] = stopBitsList.at(stopBitsIndex);
  return CommandResponse::makeSuccess(id, result);
}

/**
 * @brief Add a register group