# MJPEG Streaming with FIR # # This example shows off how to do MJPEG streaming to a FIREFOX webrowser # (IE and Chrome do not work). Just input your network SSID and KEY and then # connect to the IP address/port printed out from ifconfig. import sensor, image, network, usocket, fir SSID='' # Network SSID KEY='' # Network key HOST = '' # Use first available interface PORT = 8000 # 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.RGB565) # Initialize the thermal sensor fir.init() # 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 timeout to 1s s.settimeout(1.0) print ('Waiting for connections..') client, addr = s.accept() 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") # Start streaming images while (True): image = sensor.snapshot() # Capture FIR data # ta: Ambient temperature # ir: Object temperatures (IR array) # to_min: Minimum object temperature # to_max: Maximum object temperature ta, ir, to_min, to_max = fir.read_ir() # Scale the image and belnd it with the framebuffer fir.draw_ir(image, ir) # Draw ambient, min and max temperatures. image.draw_string(0, 0, "Ta: %0.2f"%ta, color = (0xFF, 0x00, 0x00)) image.draw_string(0, 8, "To min: %0.2f"%to_min, color = (0xFF, 0x00, 0x00)) image.draw_string(0, 16, "To max: %0.2f"%to_max, color = (0xFF, 0x00, 0x00)) cimage = image.compressed(quality=90) client.send("\r\n--openmv\r\n" \ "Content-Type: image/jpeg\r\n"\ "Content-Length:"+str(cimage.size())+"\r\n\r\n") client.send(cimage) client.close()