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88 lines
2.4 KiB
Python
88 lines
2.4 KiB
Python
# MJPEG Streaming with FIR
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#
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# This example shows off how to do MJPEG streaming to a FIREFOX webrowser
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# (IE and Chrome do not work). Just input your network SSID and KEY and then
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# connect to the IP address/port printed out from ifconfig.
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import sensor, image, network, usocket, fir
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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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# 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.QQVGA)
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sensor.set_pixformat(sensor.RGB565)
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# Initialize the thermal sensor
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fir.init()
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# Init wlan module and connect to network
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print("Trying to connect... (may take a while)...")
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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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# Start streaming images
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while (True):
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image = sensor.snapshot()
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# Capture FIR data
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# ta: Ambient temperature
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# ir: Object temperatures (IR array)
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# to_min: Minimum object temperature
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# to_max: Maximum object temperature
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ta, ir, to_min, to_max = fir.read_ir()
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# Scale the image and belnd it with the framebuffer
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fir.draw_ir(image, ir)
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# Draw ambient, min and max temperatures.
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image.draw_string(0, 0, "Ta: %0.2f"%ta, color = (0xFF, 0x00, 0x00))
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image.draw_string(0, 8, "To min: %0.2f"%to_min, color = (0xFF, 0x00, 0x00))
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image.draw_string(0, 16, "To max: %0.2f"%to_max, color = (0xFF, 0x00, 0x00))
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cimage = image.compressed(quality=90)
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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(cimage.size())+"\r\n\r\n")
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client.send(cimage)
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client.close()
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