LCOV - code coverage report
Current view: top level - src/Kinematics - RobotController.cpp (source / functions) Hit Total Coverage
Test: HLR Lines: 1 165 0.6 %
Date: 2018-01-24 13:13:15 Functions: 2 24 8.3 %

          Line data    Source code
       1             : #include "RobotController.hpp"
       2             : 
       3             : #include "HLR/ObjectMoveStart.h"
       4             : #include "InterpolatingAnglePlanner.hpp"
       5             : #include "InterpolatingEuclideanPlanner.hpp"
       6             : 
       7             : namespace HLR
       8             : {
       9             : namespace Kinematics
      10             : {
      11           0 : RobotController::RobotController(RobotDriverHandler& driver) : driver(driver)
      12             : {
      13           0 :     this->driver.set_move_complete_handler(
      14           0 :         [this]() { this->position_reached(); });
      15           0 :     this->events.push(Event::move_to_ready);
      16           0 :     this->worker = std::thread(&RobotController::event_handler, this);
      17           0 : }
      18             : 
      19           0 : RobotController::~RobotController()
      20             : {
      21           0 :     this->events.push(Event::terminate);
      22           0 :     this->worker.join();
      23           0 : }
      24             : 
      25           0 : RobotControllerState RobotController::get_state() const
      26             : {
      27           0 :     std::lock_guard<std::mutex> l(this->state_m);
      28           0 :     return this->state;
      29             : }
      30             : 
      31           0 : void RobotController::pick_up_cup(std::uint32_t id)
      32             : {
      33           0 :     std::lock_guard<std::mutex> l(this->state_m);
      34           0 :     if (this->state != RobotControllerState::idle)
      35             :     {
      36           0 :         throw std::logic_error("Robot is not currently idle.");
      37             :     }
      38             : 
      39             :     {
      40           0 :         std::lock_guard<std::mutex> l(this->objects_m);
      41           0 :         const auto it = this->objects.find(id);
      42           0 :         if (it == this->objects.end())
      43             :         {
      44             :             throw std::invalid_argument(
      45           0 :                 "No object found with the specified id.");
      46             :         }
      47             : 
      48           0 :         if (!it->second.is_cup)
      49             :         {
      50             :             throw std::invalid_argument(
      51           0 :                 "Specifed object exists but is not a cup.");
      52             :         }
      53           0 :         this->cup_position = it->second.position;
      54             :     }
      55             : 
      56           0 :     this->events.push(Event::move_to_cup);
      57           0 : }
      58             : 
      59           0 : void RobotController::move_stop()
      60             : {
      61           0 :     std::lock_guard<std::mutex> l(this->state_m);
      62           0 :     switch (this->state)
      63             :     {
      64           0 :         case RobotControllerState::picking_up_cup_stage1:
      65             :         case RobotControllerState::picking_up_cup_stage2:
      66             :         case RobotControllerState::moving_to_cup:
      67           0 :             this->events.push(Event::move_stop);
      68           0 :             break;
      69           0 :         default:
      70           0 :             throw std::logic_error("Robot is is not currently moving.");
      71             :     }
      72           0 : }
      73             : 
      74           0 : void RobotController::move_continue()
      75             : {
      76           0 :     std::lock_guard<std::mutex> l(this->state_m);
      77           0 :     switch (this->state)
      78             :     {
      79           0 :         case RobotControllerState::stopped:
      80           0 :             this->events.push(Event::move_continue);
      81           0 :             break;
      82           0 :         default:
      83           0 :             throw std::logic_error("Robot is is not currently stopped.");
      84             :     }
      85           0 : }
      86             : 
      87           0 : void RobotController::move_cancel()
      88             : {
      89           0 :     std::lock_guard<std::mutex> l(this->state_m);
      90           0 :     switch (this->state)
      91             :     {
      92           0 :         case RobotControllerState::moving_to_cup:
      93             :         case RobotControllerState::picking_up_cup_stage1:
      94             :         case RobotControllerState::picking_up_cup_stage2:
      95             :         case RobotControllerState::stopped:
      96           0 :             this->events.push(Event::move_cancel);
      97           0 :             break;
      98           0 :         default:
      99             :             throw std::logic_error(
     100           0 :                 "Robot is is not currently stopped or moving.");
     101             :     }
     102           0 : }
     103             : 
     104           0 : void RobotController::remove_object(const EnvironmentObject& obj)
     105             : {
     106           0 :     std::lock_guard<std::mutex> l(this->objects_m);
     107           0 :     const auto it = this->objects.find(obj.id);
     108           0 :     if (it != this->objects.end())
     109             :     {
     110           0 :         this->objects.erase(it);
     111             :     }
     112           0 : }
     113             : 
     114           0 : void RobotController::add_object(EnvironmentObject&& obj)
     115             : {
     116           0 :     std::lock_guard<std::mutex> l(this->objects_m);
     117           0 :     auto it = this->objects.find(obj.id);
     118           0 :     if (it != this->objects.end())
     119             :     {
     120           0 :         auto id = obj.id;
     121           0 :         this->objects.insert(std::make_pair(id, std::move(obj)));
     122             :     }
     123             :     else
     124             :     {
     125           0 :         this->objects[obj.id] = obj;
     126             :     }
     127           0 : }
     128             : 
     129           0 : void RobotController::set_error_callback(
     130             :     const std::function<void(ArmError)>& cb)
     131             : {
     132           0 :     this->error_callback = cb;
     133           0 : }
     134             : 
     135           0 : void RobotController::position_reached()
     136             : {
     137           0 :     std::lock_guard<std::mutex> l(this->state_m);
     138           0 :     switch (this->state)
     139             :     {
     140           0 :         case RobotControllerState::moving_to_cup:
     141           0 :             this->state = RobotControllerState::picking_up_cup_stage1;
     142           0 :             this->events.push(Event::pick_up_cup_stage1);
     143           0 :             break;
     144           0 :         case RobotControllerState::picking_up_cup_stage1:
     145           0 :             this->state = RobotControllerState::picking_up_cup_stage2;
     146           0 :             this->events.push(Event::pick_up_cup_stage2);
     147           0 :             break;
     148           0 :         case RobotControllerState::picking_up_cup_stage2:
     149           0 :             return;
     150           0 :         default:
     151           0 :             return;
     152             :     }
     153             : }
     154             : 
     155           0 : void RobotController::move_to_position(const Matrix<double, 3, 1>& pos,
     156             :                                        const Planner& planner,
     157             :                                        double speed)
     158             : {
     159           0 :     auto path_opt = planner.get_path(this->driver.get_arm_state(), pos);
     160             : 
     161           0 :     if (!path_opt.has_value() && this->error_callback)
     162             :     {
     163           0 :         this->error_callback(ArmError::no_path_found);
     164           0 :         return;
     165             :     }
     166             : 
     167             :     try
     168             :     {
     169           0 :         this->driver.move(path_opt.value(), speed);
     170             :     }
     171           0 :     catch (const std::runtime_error& e)
     172             :     {
     173           0 :         if (this->error_callback)
     174             :         {
     175           0 :             this->error_callback(ArmError::driver_error);
     176             :         }
     177             :     }
     178             : }
     179             : 
     180           0 : void RobotController::event_handler()
     181             : {
     182           0 :     bool term = false;
     183           0 :     while (!term)
     184             :     {
     185           0 :         auto ev = this->events.pop();
     186           0 :         switch (ev)
     187             :         {
     188           0 :             case Event::move_to_ready:
     189           0 :                 this->move_to_ready_handler();
     190           0 :                 break;
     191           0 :             case Event::move_to_cup:
     192           0 :                 this->pick_up_cup_handler();
     193           0 :                 break;
     194           0 :             case Event::pick_up_cup_stage1:
     195           0 :                 this->pick_up_cup_stage1_handler();
     196           0 :                 break;
     197           0 :             case Event::pick_up_cup_stage2:
     198           0 :                 this->pick_up_cup_stage2_handler();
     199           0 :                 break;
     200           0 :             case Event::move_stop:
     201           0 :                 this->move_stop_handler();
     202           0 :                 break;
     203           0 :             case Event::move_continue:
     204           0 :                 this->move_continue_handler();
     205           0 :                 break;
     206           0 :             case Event::move_cancel:
     207           0 :                 this->move_cancel_handler();
     208           0 :                 break;
     209           0 :             case Event::terminate:
     210           0 :                 term = true;
     211           0 :                 break;
     212             :         }
     213             :     }
     214           0 : }
     215             : 
     216           0 : void RobotController::move_to_ready_handler()
     217             : {
     218           0 :     const InterpolatingAnglePlanner planner(this->angle_step_size);
     219           0 :     const double speed = 20;
     220           0 :     this->move_to_position(this->ready_pos, planner, speed);
     221           0 : }
     222             : 
     223           0 : void RobotController::pick_up_cup_handler()
     224             : {
     225           0 :     const InterpolatingAnglePlanner planner(this->angle_step_size);
     226             : 
     227             :     auto path_opt =
     228           0 :         planner.get_path(this->driver.get_arm_state(), cup_position);
     229             : 
     230           0 :     if (!path_opt.has_value() && this->error_callback)
     231             :     {
     232           0 :         this->error_callback(ArmError::no_path_found);
     233           0 :         return;
     234             :     }
     235             : 
     236             :     try
     237             :     {
     238           0 :         this->driver.move(path_opt.value(), 50);
     239             :     }
     240           0 :     catch (const std::runtime_error& e)
     241             :     {
     242           0 :         if (this->error_callback)
     243             :         {
     244           0 :             this->error_callback(ArmError::driver_error);
     245             :         }
     246             :     }
     247             : }
     248             : 
     249           0 : void RobotController::pick_up_cup_stage1_handler()
     250             : {
     251           0 :     const InterpolatingEuclideanPlanner planner(this->euclidean_step_size);
     252             : 
     253             :     auto path_opt =
     254           0 :         planner.get_path(this->driver.get_arm_state(), cup_position);
     255             : 
     256           0 :     if (!path_opt.has_value() && this->error_callback)
     257             :     {
     258           0 :         this->error_callback(ArmError::no_path_found);
     259           0 :         return;
     260             :     }
     261             : 
     262             :     try
     263             :     {
     264           0 :         this->driver.move(path_opt.value(), 10);
     265             :     }
     266           0 :     catch (const std::runtime_error& e)
     267             :     {
     268           0 :         if (this->error_callback)
     269             :         {
     270           0 :             this->error_callback(ArmError::driver_error);
     271             :         }
     272             :     }
     273             : }
     274             : 
     275           0 : void RobotController::pick_up_cup_stage2_handler()
     276             : {
     277           0 :     const InterpolatingEuclideanPlanner planner(this->euclidean_step_size);
     278             : 
     279           0 :     auto target_pos = cup_position;
     280           0 :     target_pos[1][0] += 0.10;
     281             : 
     282           0 :     auto path_opt = planner.get_path(this->driver.get_arm_state(), target_pos);
     283             : 
     284           0 :     if (!path_opt.has_value() && this->error_callback)
     285             :     {
     286           0 :         this->error_callback(ArmError::no_path_found);
     287           0 :         return;
     288             :     }
     289             : 
     290             :     try
     291             :     {
     292           0 :         this->driver.move(path_opt.value(), 10);
     293             :     }
     294           0 :     catch (const std::runtime_error& e)
     295             :     {
     296           0 :         if (this->error_callback)
     297             :         {
     298           0 :             this->error_callback(ArmError::driver_error);
     299             :         }
     300             :     }
     301             : }
     302             : 
     303           0 : void RobotController::move_stop_handler() {}
     304             : 
     305           0 : void RobotController::move_continue_handler() {}
     306             : 
     307           0 : void RobotController::move_cancel_handler() {}
     308             : 
     309             : } // namespace Kinematics
     310           3 : } // namespace HLR

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