wqyp 发布的帖子

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

SSID ='OPENMV_AP'    # Network SSID
KEY  ='1234567890'    # Network key (must be 10 chars)
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 in AP mode.
wlan = network.WINC(mode=network.WINC.MODE_AP)
wlan.start_ap(SSID, key=KEY, security=wlan.WEP, channel=2)

# You can block waiting for client to connect
#print(wlan.wait_for_sta(10000))

def response(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: image/jpeg\r\n\r\n")

    # FPS clock
    clock = time.clock()

    # Start streaming images
    # NOTE: Disable IDE preview to increase streaming FPS.


    frame = sensor.snapshot()
    cframe = frame.compressed(quality=35)
    client.send(cframe)
    client.close()

while (True):
    # Create server socket
    s = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
    try:
        # Bind and listen
        s.bind([HOST, PORT])
        s.listen(5)

        # Set server socket timeout
        # NOTE: Due to a WINC FW bug, the server socket must be closed and reopened if
        # the client disconnects. Use a timeout here to close and re-create the socket.
        s.settimeout(3)
        response(s)
    except OSError as e:
        s.close()
        print("socket error: ", e)
        #sys.print_exception(e)

socket传输的图片效果

openmv客户端

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

# 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.QVGA)
sensor.set_pixformat(sensor.RGB565)
sensor.set_auto_gain(True)
sensor.set_auto_whitebal(True)

SSID='*******'
KEY='*******'
wlan = network.WINC()
wlan.connect(SSID, key=KEY, security=wlan.WPA_PSK)
print(wlan.ifconfig())

addr=("******",20000)

# connect to serve
client = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
client.connect(addr)

client.settimeout(0)

frame = sensor.snapshot()
cframe = frame.compressed(quality=35)
client.send(str(cframe.size()))
client.send(cframe)

client.close()

服务器端

import base64
import threading
from socket import *
import time

print("Waiting for connection...")
phserv = socket(AF_INET,SOCK_STREAM)
phserv.bind(('******', 20000))
phserv.listen(5)
car, addr = phserv.accept()
print("Connected to")
print(addr)

a=car.recv(4)
size=int(a.decode())
time.sleep(1)

fl=open('nw2.jpg','wb')
while size>0:
        data = car.recv(1024)
        fl.write(data)
        size=size-len(data)

time.sleep(0.02)
fl.close()
car.close()