mirror of
https://github.com/openmv/openmv.git
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71 lines
1.7 KiB
Python
71 lines
1.7 KiB
Python
'''
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Simple MJPEG streaming server
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'''
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import time, sensor, pyb, network, usocket
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SSID='' # Network SSID
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KEY='' # Network key
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HOST = '' # Use first available interface
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PORT = 8000 # Arbitrary non-privileged port
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led_r = pyb.LED(1)
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led_b = pyb.LED(2)
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led_g = pyb.LED(3)
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# Reset sensor
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sensor.reset()
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# Set sensor settings
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sensor.set_contrast(1)
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sensor.set_brightness(1)
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sensor.set_saturation(1)
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sensor.set_gainceiling(16)
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sensor.set_framesize(sensor.QVGA)
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sensor.set_pixformat(sensor.GRAYSCALE)
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# Init wlan module and connect to network
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wlan = network.WINC()
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wlan.connect(SSID, key=KEY, security=wlan.WPA_PSK)
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# We should have a valid IP now via DHCP
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print(wlan.ifconfig())
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# Create server socket
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s = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
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# Bind and listen
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s.bind((HOST, PORT))
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s.listen(5)
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# Set timeout to 1s
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s.settimeout(1.0)
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print ('Waiting for connections..')
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client, addr = s.accept()
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print ('Connected to ' + addr[0] + ':' + str(addr[1]))
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# Read request from client
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data = client.recv(1024)
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# Should parse client request here
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# Send multipart header
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client.send("HTTP/1.1 200 OK\r\n" \
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"Server: OpenMV\r\n" \
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"Content-Type: multipart/x-mixed-replace;boundary=openmv\r\n" \
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"Cache-Control: no-cache\r\n" \
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"Pragma: no-cache\r\n\r\n")
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# FPS clock
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clock = time.clock()
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# Start streaming images
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while (True):
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clock.tick() # Track elapsed milliseconds between snapshots().
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frame = sensor.snapshot()
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client.send("\r\n--openmv\r\n" \
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"Content-Type: image/jpeg\r\n"\
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"Content-Length:"+str(frame.size())+"\r\n\r\n")
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client.send(frame.compress(50))
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print(clock.fps())
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client.close() |