text: #pragma once
  #include <string>
  
  namespace design_viewer {
      // viewer update fps/frequency
      const int k_param_viewer_fps = 50;
      const float k_param_viwer_update_hz = 1.0f / (float)k_param_viewer_fps;
      const float k_param_simulation_dt = 0.0025f;
  
      // PROJECT SOURCE DIR
      const std::string k_param_project_source_dir = std::string(PROJECT_SOURCE_DIR);
  
      // config file root directory
      const std::string k_param_config_root_subdir = "/data/config/";
  
      // scene description file
      const std::string k_param_scene_path = "scene.txt";
  
      // radio
      const int k_param_radio_trim = 1500;
      const int k_param_radio_min = 1000;
      const int k_param_radio_max = 2000;
      const int k_param_radio_deadzone = 100;
      const int k_param_radio_step = 5;
  };