添加截图、更新使用说明

Author: cocpy

README.md

@@ -8,19 +8,28 @@ Control DJI Tello drone with python
 
 # Examples
 
-
+\# 引入tello_python包，注意：这里是下划线_连接<br>
 from tello_python import tello
 
+\# 初始化无人机对象<br>
 drone = tello.Tello()
 
+\# 起飞<br>
 drone.takeoff()
 
+\# 前进100cm<br>
 drone.forward(100)
 
+\# 顺时针旋转90°<br>
 drone.cw(90)
 
+\# 向左翻滚<br>
 drone.flip('l')
 
+\# 打开视频流<br>
 drone.streamon()
 
+\# 降落<br>
 drone.land()
+
+更多命令请参考源码tello.py文件内的方法及注释

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name='tello-python',
-    version='1.0.1',
+    version='1.0.2',
     author='C灵C',
     author_email='c0c@cocpy.com',
     description='Control DJI Tello drone with Python 3',

tello_python/__init__.py

@@ -2,7 +2,7 @@
 __author__ = 'C灵C'
 __liscence__ = 'MIT'
 __copyright__ = 'Copyright 2020 C灵C'
-__version__ = '1.0.1'
+__version__ = '1.0.2'
 __all__ = ['tello', 'stats']
 
 from .tello import Tello

tello_python/demo.py

@@ -1,4 +1,4 @@
-from . import tello
+from tello_python import tello
 
 
 drone = tello.Tello()

tello_python/tello.py

@@ -1,6 +1,7 @@
 import socket
 import threading
 import time
+import datetime
 
 import cv2
 
@@ -42,20 +43,20 @@ def send_command(self, command: str, query: bool = False):
         self.socket.sendto(command.encode('utf-8'), self.te_address)
         # 显示确认消息
         if self.debug is True:
-            print('Sending command: {}'.format(command))
+            print('发送命令: {}'.format(command))
 
         # 检查命令是否超时（基于MAX_TIME_OUT中的值）
         start = time.time()
         while not self.log[-1].got_response():  # 在日志中未收到任何响应的情况下运行
             now = time.time()
             difference = now - start
             if difference > self.MAX_TIME_OUT:
-                print('Connection timed out!')
+                print('连接超时!')
                 break
 
         # 打印出无人机响应
         if self.debug is True and query is False:
-            print('Response: {}'.format(self.log[-1].get_response()))
+            print('响应: {}'.format(self.log[-1].get_response()))
 
     def _receive_thread(self):
         while True:
@@ -64,7 +65,7 @@ def _receive_thread(self):
                 self.response, ip = self.socket.recvfrom(1024)
                 self.log[-1].add_response(self.response)
             except socket.error as exc:
-                print('Socket error: {}'.format(exc))
+                print('错误: {}'.format(exc))
 
     def _video_thread(self):
         # 创建流捕获对象
@@ -74,17 +75,24 @@ def _video_thread(self):
             ret, frame = cap.read()
             cv2.imshow('DJI Tello', frame)
 
-            # 如果按Esc键，视频流关闭
             k = cv2.waitKey(1) & 0xFF
+
+            # 如果按Esc键，视频流关闭
             if k == 27:
                 break
+            
+            # 如果按F1键，截图到当前位置
+            if k == 0:
+                str_now = datetime.datetime.now().strftime('%Y.%m.%d-%H:%M:%S')
+                png_name = str_now + '.png'
+                cv2.imwrite(png_name, frame)
         cap.release()
         cv2.destroyAllWindows()
 
     def wait(self, delay: float):
         # 显示等待消息
         if self.debug is True:
-            print('Waiting {} seconds...'.format(delay))
+            print('等待 {} 秒...'.format(delay))
 
         # 日志条目增加了延迟
         self.log.append(Stats('wait', len(self.log)))
@@ -289,31 +297,31 @@ def get_sn(self):
         return self.log[-1].get_response()
 
     def get_height(self):
-        """获取高度"""
+        """获取高度，新版本中已停用"""
         self.send_command('height?', True)
         return self.log[-1].get_response()
 
     def get_temp(self):
-        """获取温度"""
+        """获取温度，新版本中已停用"""
         self.send_command('temp?', True)
         return self.log[-1].get_response()
 
     def get_attitude(self):
-        """获取飞行姿态"""
+        """获取飞行姿态，新版本中已停用"""
         self.send_command('attitude?', True)
         return self.log[-1].get_response()
 
     def get_baro(self):
-        """获取压力"""
+        """获取压力，新版本中已停用"""
         self.send_command('baro?', True)
         return self.log[-1].get_response()
 
     def get_acceleration(self):
-        """获取加速度"""
+        """获取加速度，新版本中已停用"""
         self.send_command('acceleration?', True)
         return self.log[-1].get_response()
 
     def get_tof(self):
-        """获取飞行时间"""
+        """获取飞行时间，新版本中已停用"""
         self.send_command('tof?', True)
         return self.log[-1].get_response()