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    tybq_1660057494

    @tybq_1660057494

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    tybq_1660057494 发布的帖子

    • RE: 无线图传不能流畅的传回图像并且只能刷新一下更新一下然后就卡顿

      @kidswong999 你好,例程是正常的但是组合后就不正常

      发布在 OpenMV Cam
      T
      tybq_1660057494
    • 无线图传不能流畅的传回图像并且只能刷新一下更新一下然后就卡顿

      0_1660058797490_78e7532ee2d4ff4a5dfb9e8b82ef4a5.jpg

      import sensor, image, time, network, usocket, sys, pyb, math
      from pyb import UART
      import ustruct
      x_threshold   = (0, 50, -24,-1, -18, 6)
      led = pyb.LED(3)
      usb = pyb.USB_VCP()
      while(not usb.isconnected()):
          led.on()
          time.sleep_ms(150)
          led.off()
          time.sleep_ms(100)
          led.on()
          time.sleep_ms(150)
          led.off()
          time.sleep_ms(600)
          break
      SSID ='OPENMV_AP'
      KEY  ='1234567890'
      HOST = ''
      PORT = 8080
      sensor.reset()
      sensor.set_contrast(1)
      sensor.set_brightness(1)
      sensor.set_saturation(1)
      sensor.set_gainceiling(16)
      sensor.set_vflip(True)
      sensor.set_hmirror(True)
      sensor.set_framesize(sensor.QVGA)
      sensor.set_pixformat(sensor.RGB565)
      sensor.skip_frames(10)
      sensor.skip_frames(time = 2000)
      sensor.set_auto_gain(False)
      sensor.set_auto_whitebal(False)
      
      # 在AP模式下启动wlan模块。
      wlan = network.WINC(mode=network.WINC.MODE_AP)
      wlan.start_ap(SSID, key=KEY, security=wlan.WEP, channel=2)
      
      #您可以阻止等待客户端连接
      #print(wlan.wait_for_sta(10000))
      
      def start_streaming(s):
          print ('Waiting for connections..')
          client, addr = s.accept()
          # 将客户端套接字超时设置为2秒
          client.settimeout(2.0)
          print ('Connected to ' + addr[0] + ':' + str(addr[1]))
      
          # 从客户端读取请求
          data = client.recv(1024)
          # 应该在这里解析客户端请求
      
          # 发送多部分head
          client.send("HTTP/1.1 200 OK\r\n" \
                      "Server: OpenMV\r\n" \
                      "Content-Type: multipart/x-mixed-replace;boundary=openmv\r\n" \
                      "Cache-Control: no-cache\r\n" \
                      "Pragma: no-cache\r\n\r\n")
      
          # FPS clock
          clock = time.clock()
          uart = UART(3, 115200)
          uart.init(115200, bits=8, parity=None, stop=1)
      
          # 开始流媒体图像
          #注:禁用IDE预览以增加流式FPS。
          while (True):
              clock.tick()
              frame = sensor.snapshot().lens_corr(strength = 1.6, zoom = 1.0)
              blobs = frame.find_blobs([x_threshold], pixels_threshold=500, area_threshold=1550)
              if blobs:
                  for b in blobs:
                      frame.draw_rectangle(b[0:4])
                      frame.draw_cross(b[5], b[6])
                      print(b[5], b[6])
                      x = b.cx()
                      y = b.cy()
                      print(x, y)
                      TOU = bytearray([0xb3, 0xb3])
                      uart.write(TOU)
                      data=bytearray([x, y, 1])
                      uart.write(data)
                      print(clock.fps())
                      print(data)
                      cframe = frame.compressed(quality=35)
                      header = "\r\n--openmv\r\n" \
                      "Content-Type: image/jpeg\r\n"\
                      "Content-Length:"+str(cframe.size())+"\r\n\r\n"
                      client.send(header)
                      client.send(cframe)
                      print(clock.fps())
      
      while (True):
          # 创建服务器套接字
          s = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
          try:
              # Bind and listen
              s.bind([HOST, PORT])
              s.listen(5)
      
              # 设置服务器套接字超时
              # 注意:由于WINC FW bug,如果客户端断开连接,服务器套接字必须
              # 关闭并重新打开。在这里使用超时关闭并重新创建套接字。
              s.settimeout(3)
              start_streaming(s)
          except OSError as e:
              s.close()
              print("socket error: ", e)
              #sys.print_exception(e)
      
      发布在 OpenMV Cam
      T
      tybq_1660057494