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)