4. mjpeg_streamer 这个程序为何运行出错？
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    • mjpeg_streamer 这个程序为何运行出错？

    • A

      0_1592745274140_p1.JPG这个程序为何运行出错？0_1592745359902_p2.JPG

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    • SSID和KEY应该填写你的Wi-Fi路由器的名字和密码。

      0

    • https://singtown.com/learn/49596/

      看视频，你应该运行ap的代码。

      0
    • A

      AP的可以运行，我是问这个为什么不能运行？

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    • A

      是我的路由名和密码啊！

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    • 因为这个代码没有及时更新，s.settimeout(0) 改为了s.setblocking(True)

      下面的代码是可以正常运行的。

      # MJPEG Streaming
#
# This example shows off how to do MJPEG streaming to a FIREFOX webrowser
# Chrome, Firefox and MJpegViewer App on Android have been tested.
# Connect to the IP address/port printed out from ifconfig to view the stream.

import sensor, image, time, network, usocket, sys

SSID =''     # Network SSID
KEY  =''     # Network key
HOST =''     # Use first available interface
PORT = 8080  # Arbitrary non-privileged port

# Reset sensor
sensor.reset()

# Set sensor settings
sensor.set_contrast(1)
sensor.set_brightness(1)
sensor.set_saturation(1)
sensor.set_gainceiling(16)
sensor.set_framesize(sensor.QQVGA)
sensor.set_pixformat(sensor.GRAYSCALE)

# Init wlan module and connect to network
print("Trying to connect... (may take a while)...")
wlan = network.WINC()
wlan.connect(SSID, key=KEY, security=wlan.WPA_PSK)

# We should have a valid IP now via DHCP
print(wlan.ifconfig())

# Create server socket
s = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)

# Bind and listen
s.bind([HOST, PORT])
s.listen(5)

# Set server socket to blocking
s.setblocking(True)

def start_streaming(s):
    print ('Waiting for connections..')
    client, addr = s.accept()
    # set client socket timeout to 2s
    client.settimeout(2.0)
    print ('Connected to ' + addr[0] + ':' + str(addr[1]))

    # Read request from client
    data = client.recv(1024)
    # Should parse client request here

    # Send multipart header
    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()

    # Start streaming images
    # NOTE: Disable IDE preview to increase streaming FPS.
    while (True):
        clock.tick() # Track elapsed milliseconds between snapshots().
        frame = sensor.snapshot()
        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):
    try:
        start_streaming(s)
    except OSError as e:
        print("socket error: ", e)
        #sys.print_exception(e)
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