Leap运动控制器未连接cpp、python（mac）

Question

我从https://developer.leapmotion.com/sdk-leap-motion-controller下载了SDK，并尝试在示例下运行代码。它适用于java和javascript，但不适用于cpp和python

控制器已连接并工作。服务“leapd”正在后台运行

知道原因是什么吗

我在macOS上（Big Sur 11.1）

编辑：

.
├── Makefile
├── include
│   ├── Leap.h
│   └── LeapMath.h
├── lib
│   └── libLeap.dylib
├── main
└── main.cpp

/******************************************************************************\
* Copyright (C) 2012-2014 Leap Motion, Inc. All rights reserved.               *
* Leap Motion proprietary and confidential. Not for distribution.              *
* Use subject to the terms of the Leap Motion SDK Agreement available at       *
* https://developer.leapmotion.com/sdk_agreement, or another agreement         *
* between Leap Motion and you, your company or other organization.             *
\******************************************************************************/

#include <iostream>
#include <cstring>
#include "Leap.h"

using namespace Leap;

class SampleListener : public Listener {
  public:
    virtual void onInit(const Controller&);
    virtual void onConnect(const Controller&);
    virtual void onDisconnect(const Controller&);
    virtual void onExit(const Controller&);
    virtual void onFrame(const Controller&);
    virtual void onFocusGained(const Controller&);
    virtual void onFocusLost(const Controller&);
    virtual void onDeviceChange(const Controller&);
    virtual void onServiceConnect(const Controller&);
    virtual void onServiceDisconnect(const Controller&);

  private:
};

const std::string fingerNames[] = {"Thumb", "Index", "Middle", "Ring", "Pinky"};
const std::string boneNames[] = {"Metacarpal", "Proximal", "Middle", "Distal"};
const std::string stateNames[] = {"STATE_INVALID", "STATE_START", "STATE_UPDATE", "STATE_END"};

void SampleListener::onInit(const Controller& controller) {
  std::cout << "Initialized" << std::endl;
}

void SampleListener::onConnect(const Controller& controller) {
  std::cout << "Connected" << std::endl;
  controller.enableGesture(Gesture::TYPE_CIRCLE);
  controller.enableGesture(Gesture::TYPE_KEY_TAP);
  controller.enableGesture(Gesture::TYPE_SCREEN_TAP);
  controller.enableGesture(Gesture::TYPE_SWIPE);
}

void SampleListener::onDisconnect(const Controller& controller) {
  // Note: not dispatched when running in a debugger.
  std::cout << "Disconnected" << std::endl;
}

void SampleListener::onExit(const Controller& controller) {
  std::cout << "Exited" << std::endl;
}

void SampleListener::onFrame(const Controller& controller) {
  // Get the most recent frame and report some basic information
  const Frame frame = controller.frame();
  std::cout << "Frame id: " << frame.id()
            << ", timestamp: " << frame.timestamp()
            << ", hands: " << frame.hands().count()
            << ", extended fingers: " << frame.fingers().extended().count()
            << ", tools: " << frame.tools().count()
            << ", gestures: " << frame.gestures().count() << std::endl;

  HandList hands = frame.hands();
  for (HandList::const_iterator hl = hands.begin(); hl != hands.end(); ++hl) {
    // Get the first hand
    const Hand hand = *hl;
    std::string handType = hand.isLeft() ? "Left hand" : "Right hand";
    std::cout << std::string(2, ' ') << handType << ", id: " << hand.id()
              << ", palm position: " << hand.palmPosition() << std::endl;
    // Get the hand's normal vector and direction
    const Vector normal = hand.palmNormal();
    const Vector direction = hand.direction();

    // Calculate the hand's pitch, roll, and yaw angles
    std::cout << std::string(2, ' ') <<  "pitch: " << direction.pitch() * RAD_TO_DEG << " degrees, "
              << "roll: " << normal.roll() * RAD_TO_DEG << " degrees, "
              << "yaw: " << direction.yaw() * RAD_TO_DEG << " degrees" << std::endl;

    // Get the Arm bone
    Arm arm = hand.arm();
    std::cout << std::string(2, ' ') <<  "Arm direction: " << arm.direction()
              << " wrist position: " << arm.wristPosition()
              << " elbow position: " << arm.elbowPosition() << std::endl;

    // Get fingers
    const FingerList fingers = hand.fingers();
    for (FingerList::const_iterator fl = fingers.begin(); fl != fingers.end(); ++fl) {
      const Finger finger = *fl;
      std::cout << std::string(4, ' ') <<  fingerNames[finger.type()]
                << " finger, id: " << finger.id()
                << ", length: " << finger.length()
                << "mm, width: " << finger.width() << std::endl;

      // Get finger bones
      for (int b = 0; b < 4; ++b) {
        Bone::Type boneType = static_cast<Bone::Type>(b);
        Bone bone = finger.bone(boneType);
        std::cout << std::string(6, ' ') <<  boneNames[boneType]
                  << " bone, start: " << bone.prevJoint()
                  << ", end: " << bone.nextJoint()
                  << ", direction: " << bone.direction() << std::endl;
      }
    }
  }

  // Get tools
  const ToolList tools = frame.tools();
  for (ToolList::const_iterator tl = tools.begin(); tl != tools.end(); ++tl) {
    const Tool tool = *tl;
    std::cout << std::string(2, ' ') <<  "Tool, id: " << tool.id()
              << ", position: " << tool.tipPosition()
              << ", direction: " << tool.direction() << std::endl;
  }

  // Get gestures
  const GestureList gestures = frame.gestures();
  for (int g = 0; g < gestures.count(); ++g) {
    Gesture gesture = gestures[g];

    switch (gesture.type()) {
      case Gesture::TYPE_CIRCLE:
      {
        CircleGesture circle = gesture;
        std::string clockwiseness;

        if (circle.pointable().direction().angleTo(circle.normal()) <= PI/2) {
          clockwiseness = "clockwise";
        } else {
          clockwiseness = "counterclockwise";
        }

        // Calculate angle swept since last frame
        float sweptAngle = 0;
        if (circle.state() != Gesture::STATE_START) {
          CircleGesture previousUpdate = CircleGesture(controller.frame(1).gesture(circle.id()));
          sweptAngle = (circle.progress() - previousUpdate.progress()) * 2 * PI;
        }
        std::cout << std::string(2, ' ')
                  << "Circle id: " << gesture.id()
                  << ", state: " << stateNames[gesture.state()]
                  << ", progress: " << circle.progress()
                  << ", radius: " << circle.radius()
                  << ", angle " << sweptAngle * RAD_TO_DEG
                  <<  ", " << clockwiseness << std::endl;
        break;
      }
      case Gesture::TYPE_SWIPE:
      {
        SwipeGesture swipe = gesture;
        std::cout << std::string(2, ' ')
          << "Swipe id: " << gesture.id()
          << ", state: " << stateNames[gesture.state()]
          << ", direction: " << swipe.direction()
          << ", speed: " << swipe.speed() << std::endl;
        break;
      }
      case Gesture::TYPE_KEY_TAP:
      {
        KeyTapGesture tap = gesture;
        std::cout << std::string(2, ' ')
          << "Key Tap id: " << gesture.id()
          << ", state: " << stateNames[gesture.state()]
          << ", position: " << tap.position()
          << ", direction: " << tap.direction()<< std::endl;
        break;
      }
      case Gesture::TYPE_SCREEN_TAP:
      {
        ScreenTapGesture screentap = gesture;
        std::cout << std::string(2, ' ')
          << "Screen Tap id: " << gesture.id()
          << ", state: " << stateNames[gesture.state()]
          << ", position: " << screentap.position()
          << ", direction: " << screentap.direction()<< std::endl;
        break;
      }
      default:
        std::cout << std::string(2, ' ')  << "Unknown gesture type." << std::endl;
        break;
    }
  }

  if (!frame.hands().isEmpty() || !gestures.isEmpty()) {
    std::cout << std::endl;
  }

}

void SampleListener::onFocusGained(const Controller& controller) {
  std::cout << "Focus Gained" << std::endl;
}

void SampleListener::onFocusLost(const Controller& controller) {
  std::cout << "Focus Lost" << std::endl;
}

void SampleListener::onDeviceChange(const Controller& controller) {
  std::cout << "Device Changed" << std::endl;
  const DeviceList devices = controller.devices();

  for (int i = 0; i < devices.count(); ++i) {
    std::cout << "id: " << devices[i].toString() << std::endl;
    std::cout << "  isStreaming: " << (devices[i].isStreaming() ? "true" : "false") << std::endl;
  }
}

void SampleListener::onServiceConnect(const Controller& controller) {
  std::cout << "Service Connected" << std::endl;
}

void SampleListener::onServiceDisconnect(const Controller& controller) {
  std::cout << "Service Disconnected" << std::endl;
}

int main(int argc, char** argv) {
  // Create a sample listener and controller
  SampleListener listener;
  Controller controller;

  // Have the sample listener receive events from the controller
  controller.addListener(listener);

  if (argc > 1 && strcmp(argv[1], "--bg") == 0)
    controller.setPolicy(Leap::Controller::POLICY_BACKGROUND_FRAMES);

  // Keep this process running until Enter is pressed
  std::cout << "Press Enter to quit..." << std::endl;
  std::cin.get();

  // Remove the sample listener when done
  controller.removeListener(listener);

  return 0;
}

LEAP_LIBRARY := ./lib/libLeap.dylib

main: main.cpp
    $(CXX) -Wall -g -I ./include main.cpp -o main $(LEAP_LIBRARY);
    install_name_tool -change @loader_path/libLeap.dylib ./lib/libLeap.dylib main

clean:
    rm -rf main main.dSYM

$ otool -L lib/libLeap.dylib
lib/libLeap.dylib:
    @loader_path/libLeap.dylib (compatibility version 0.7.0, current version 2.3.1)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1197.1.1)
    /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit (compatibility version 45.0.0, current version 1265.21.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 120.0.0)
    /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices (compatibility version 1.0.0, current version 48.0.0)
    /usr/lib/libobjc.A.dylib (compatibility version 1.0.0, current version 228.0.0)