Beispiel #1
0
  /**
   * The constructor sets up the structures required to communicate with NAOqi.
   * @param pBroker A NAOqi broker that allows accessing other NAOqi modules.
   */
  GameCtrl(boost::shared_ptr<AL::ALBroker> pBroker)
    : ALModule(pBroker, "GameCtrl"),
      proxy(0),
      memory(0),
      udp(0),
      teamNumber(0)
  {
    setModuleDescription("A module that provides packets from the GameController.");

    assert(numOfButtons == sizeof(buttonNames) / sizeof(*buttonNames));
    assert(numOfLEDs == sizeof(ledNames) / sizeof(*ledNames));

    init();

    try
    {
      memory = new AL::ALMemoryProxy(pBroker);
      proxy = new AL::DCMProxy(pBroker);

      AL::ALValue params;
      AL::ALValue result;
      params.arraySetSize(1);
      params.arraySetSize(2);

      params[0] = std::string("leds");
      params[1].arraySetSize(numOfLEDs);
      for(int i = 0; i < numOfLEDs; ++i)
        params[1][i] = std::string(ledNames[i]);
      result = proxy->createAlias(params);
      assert(result == params);

      ledRequest.arraySetSize(6);
      ledRequest[0] = std::string("leds");
      ledRequest[1] = std::string("ClearAll");
      ledRequest[2] = std::string("time-separate");
      ledRequest[3] = 0;
      ledRequest[4].arraySetSize(1);
      ledRequest[5].arraySetSize(numOfLEDs);
      for(int i = 0; i < numOfLEDs; ++i)
        ledRequest[5][i].arraySetSize(1);

      for(int i = 0; i < numOfButtons; ++i)
        buttons[i] = (float*) memory->getDataPtr(buttonNames[i]);

      // If no color was set, set it to black (no LED).
      // This actually has a race condition.
      if(memory->getDataList("GameCtrl/teamColour").empty())
        memory->insertData("GameCtrl/teamColour", TEAM_BLACK);

      playerNumber = (int*) memory->getDataPtr("GameCtrl/playerNumber");
      teamNumberPtr = (int*) memory->getDataPtr("GameCtrl/teamNumber");
      defaultTeamColour = (int*) memory->getDataPtr("GameCtrl/teamColour");

      // register "onPreProcess" and "onPostProcess" callbacks
      theInstance = this;
      proxy->getGenericProxy()->getModule()->atPreProcess(&onPreProcess);
      proxy->getGenericProxy()->getModule()->atPostProcess(&onPostProcess);

      udp = new UdpComm();
      if(!udp->setBlocking(false) ||
         !udp->setBroadcast(true) ||
         !udp->bind("0.0.0.0", GAMECONTROLLER_DATA_PORT) ||
         !udp->setLoopback(false))
      {
        fprintf(stderr, "libgamectrl: Could not open UDP port\n");
        delete udp;
        udp = 0;
        // continue, because button interface will still work
      }

      publish();
    }
    catch(AL::ALError& e)
    {
      fprintf(stderr, "libgamectrl: %s\n", e.what());
      close();
    }
  }
Beispiel #2
0
  /**
   * The constructor initializes the shared memory for communicating with bhuman.
   * It also establishes a communication with NaoQi and prepares all data structures
   * required for this communication.
   * @param pBroker A NaoQi broker that allows accessing other NaoQi modules.
   */
  BHuman(boost::shared_ptr<AL::ALBroker> pBroker) :
    ALModule(pBroker, "BHuman"),
    data((LBHData*) MAP_FAILED),
    sem(SEM_FAILED),
    proxy(0),
    memory(0),
    dcmTime(0),
    lastReadingActuators(-1),
    actuatorDrops(0),
    frameDrops(allowedFrameDrops + 1),
    state(sitting),
    phase(0.f),
    ledIndex(0),
    rightEarLEDsChangedTime(0),
    startPressedTime(0),
    lastBHumanStartTime(0)
  {
    setModuleDescription("A module that provides basic ipc NaoQi DCM access using shared memory.");
    fprintf(stderr, "libbhuman: Starting.\n");

    assert(lbhNumOfSensorIds == sizeof(sensorNames) / sizeof(*sensorNames));
    assert(lbhNumOfActuatorIds == sizeof(actuatorNames) / sizeof(*actuatorNames));
    assert(lbhNumOfTeamInfoIds == sizeof(teamInfoNames) / sizeof(*teamInfoNames));

    // create shared memory
    memoryHandle = shm_open(LBH_MEM_NAME, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
    if(memoryHandle == -1)
      perror("libbhuman: shm_open");
    else if(ftruncate(memoryHandle, sizeof(LBHData)) == -1)
      perror("libbhuman: ftruncate");
    else
    {
      // map the shared memory
      data = (LBHData*) mmap(NULL, sizeof(LBHData), PROT_READ | PROT_WRITE, MAP_SHARED, memoryHandle, 0);
      if(data == MAP_FAILED)
        perror("libbhuman: mmap");
      else
      {
        memset(data, 0, sizeof(LBHData));

        // open semaphore
        sem = sem_open(LBH_SEM_NAME, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR, 0);
        if(sem == SEM_FAILED)
          perror("libbhuman: sem_open");
        else
          try
          {
            // get the robot name
            memory = new AL::ALMemoryProxy(pBroker);

            std::string robotName = (std::string) memory->getData("Device/DeviceList/ChestBoard/BodyNickName", 0);
            strncpy(data->robotName, robotName.c_str(), sizeof(data->robotName));

            // create "positionRequest" and "hardnessRequest" alias
            proxy = new AL::DCMProxy(pBroker);

            AL::ALValue params;
            AL::ALValue result;
            params.arraySetSize(1);
            params.arraySetSize(2);

            params[0] = std::string("positionActuators");
            params[1].arraySetSize(lbhNumOfPositionActuatorIds);
            for(int i = 0; i < lbhNumOfPositionActuatorIds; ++i)
              params[1][i] = std::string(actuatorNames[i]);
            result = proxy->createAlias(params);

            params[0] = std::string("hardnessActuators");
            params[1].arraySetSize(lbhNumOfHardnessActuatorIds);
            for(int i = 0; i < lbhNumOfHardnessActuatorIds; ++i)
              params[1][i] = std::string(actuatorNames[headYawHardnessActuator + i]);
            result = proxy->createAlias(params);

            params[0] = std::string("usRequest");
            params[1].arraySetSize(1);
            params[1][0] = std::string(actuatorNames[usActuator]);
            result = proxy->createAlias(params);

            // prepare positionRequest
            positionRequest.arraySetSize(6);
            positionRequest[0] = std::string("positionActuators");
            positionRequest[1] = std::string("ClearAll");
            positionRequest[2] = std::string("time-separate");
            positionRequest[3] = 0;
            positionRequest[4].arraySetSize(1);
            positionRequest[5].arraySetSize(lbhNumOfPositionActuatorIds);
            for(int i = 0; i < lbhNumOfPositionActuatorIds; ++i)
              positionRequest[5][i].arraySetSize(1);

            // prepare hardnessRequest
            hardnessRequest.arraySetSize(6);
            hardnessRequest[0] = std::string("hardnessActuators");
            hardnessRequest[1] = std::string("ClearAll");
            hardnessRequest[2] = std::string("time-separate");
            hardnessRequest[3] = 0;
            hardnessRequest[4].arraySetSize(1);
            hardnessRequest[5].arraySetSize(lbhNumOfHardnessActuatorIds);
            for(int i = 0; i < lbhNumOfHardnessActuatorIds; ++i)
              hardnessRequest[5][i].arraySetSize(1);

            // prepare usRequest
            usRequest.arraySetSize(6);
            usRequest[0] = std::string("usRequest");
            usRequest[1] = std::string("Merge"); // doesn't work with "ClearAll"
            usRequest[2] = std::string("time-separate");
            usRequest[3] = 0;
            usRequest[4].arraySetSize(1);
            usRequest[5].arraySetSize(1);
            usRequest[5][0].arraySetSize(1);

            // prepare ledRequest
            ledRequest.arraySetSize(3);
            ledRequest[1] = std::string("ClearAll");
            ledRequest[2].arraySetSize(1);
            ledRequest[2][0].arraySetSize(2);
            ledRequest[2][0][1] = 0;

            // prepare sensor pointers
            for(int i = 0; i < lbhNumOfSensorIds; ++i)
              sensorPtrs[i] = (float*) memory->getDataPtr(sensorNames[i]);
            resetUsMeasurements();

            // initialize requested actuators
            memset(requestedActuators, 0, sizeof(requestedActuators));
            for(int i = faceLedRedLeft0DegActuator; i < chestBoardLedRedActuator; ++i)
              requestedActuators[i] = -1.f;

            // register "onPreProcess" and "onPostProcess" callbacks
            theInstance = this;
            proxy->getGenericProxy()->getModule()->atPreProcess(&onPreProcess);
            proxy->getGenericProxy()->getModule()->atPostProcess(&onPostProcess);

            fprintf(stderr, "libbhuman: Started!\n");
            return; // success
          }
          catch(AL::ALError& e)
          {
            fprintf(stderr, "libbhuman: %s\n", e.toString().c_str());
          }
      }
    }
    close(); // error
  }