├── .idea
├── deployment.xml
├── garbage_app_sever.iml
├── inspectionProfiles
│ └── profiles_settings.xml
├── misc.xml
├── modules.xml
└── workspace.xml
├── app_sever.py
├── motor.py
└── start.sh
/.idea/deployment.xml:
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/.idea/garbage_app_sever.iml:
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/.idea/inspectionProfiles/profiles_settings.xml:
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/.idea/misc.xml:
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/.idea/modules.xml:
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/.idea/workspace.xml:
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/app_sever.py:
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1 | from flask import Flask, request, Response
2 | import cv2, os
3 | import requests
4 | from flask_cors import CORS
5 | from motor import set_servo_open, set_servo_close
6 | import time
7 |
8 |
9 | class VideoCamera(object):
10 | def __init__(self):
11 | # 通过opencv获取实时视频流
12 | self.video = cv2.VideoCapture(0)
13 |
14 | def __del__(self):
15 | self.video.release()
16 |
17 | def get_frame(self):
18 | success, image = self.video.read()
19 | # 因为opencv读取的图片并非jpeg格式，因此要用motion JPEG模式需要先将图片转码成jpg格式图片
20 | ret, jpeg = cv2.imencode('.jpg', image)
21 | return jpeg.tobytes()
22 |
23 | def get_imge(self):
24 | success, image = self.video.read()
25 | return image
26 |
27 |
28 | app = Flask(__name__)
29 | CORS(app, supports_credentials=True)
30 | videoPreview = VideoCamera()
31 |
32 |
33 | def gen(camera):
34 | while True:
35 | frame = camera.get_frame()
36 | # 使用generator函数输出视频流， 每次请求输出的content类型是image/jpeg
37 | yield (b'--frame\r\n'
38 | b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n\r\n')
39 |
40 |
41 | @app.route('/video_img_url') # 返回视频流响
42 | def video_feed():
43 | return Response(gen(videoPreview),
44 | mimetype='multipart/x-mixed-replace; boundary=frame')
45 |
46 |
47 | @app.route('/shut_photho') # 拍照识别内容返回结果
48 | def shut_photho():
49 | frame = videoPreview.get_imge()
50 | if (os.path.exists("./test.png")):
51 | os.remove("./test.png")
52 | cv2.imwrite("./test.png", frame)
53 | res = upload_image_to_sever_get_result("./test.png")
54 | print(res)
55 | return res
56 |
57 |
58 | @app.route('/open_motor') # 打开舵机
59 | def open_motor():
60 | channel = int(request.args.get("channel"))
61 | set_servo_open(channel)
62 | time.sleep(5)
63 | set_servo_close(channel)
64 | return "successful"
65 |
66 |
67 | # 上传图片到后台服务器
68 | def upload_image_to_sever_get_result(img_url):
69 | files = {"file": ("img_url" + ".png", open(img_url, 'rb'), "image/png")}
70 | r = requests.post('http://192.168.50.54:5000/predict', files=files)
71 | return r.json()['result']
72 |
73 |
74 | # host='0.0.0.0',port = 5000
75 |
76 | if __name__ == '__main__':
77 | app.run(host='0.0.0.0', port=8080)
78 |
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/motor.py:
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1 | import time
2 | import Adafruit_PCA9685
3 |
4 | servo_min = 150 # Min pulse length out of 4096
5 | servo_max = 670 # Max pulse length out of 4096
6 | pwm = Adafruit_PCA9685.PCA9685()
7 | pwm.set_pwm_freq(60)
8 |
9 |
10 | def set_servo_open(channel):
11 | time.sleep(2)
12 | pwm.set_pwm(channel, 0, servo_max)
13 | print(channel, "号舵机开启", servo_max)
14 |
15 |
16 | def set_servo_close(channel):
17 | time.sleep(2)
18 | pwm.set_pwm(channel, 0, servo_min)
19 | print(channel, "号舵机关闭", servo_min)
20 |
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/start.sh:
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1 | nohup python3 ./app_sever.py >app_sever_run_log.log 2>&1 &
2 |
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