烧录例程报错:'Image' object has no attribute 'compressed'
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插上WIFI扩展板后,烧录例程,报错:'Image' object has no attribute 'compressed'。烧录的代码是https://book.openmv.cc/example/14-WiFi-Shield/mjpeg-streamer-ap.html的
# MJPEG Streaming AP. # # 这个例子展示了如何在AccessPoint模式下进行MJPEG流式传输。 # Android上的Chrome,Firefox和MJpegViewer App已经过测试。 # 连接到OPENMV_AP, # WINC1500 WIFI扩展板 使用此URL:http://192.168.1.1:8080查看流。 # OpenMV RT 使用此URL:http://192.168.4.1:8080查看流。 import sensor import time import network import socket SSID = "OPENMV_AP" # Network SSID KEY = "1234567890" # wifi密码(必须为10字符) HOST = "" # 使用第一个可用的端口 PORT = 8080 # 任意非特权端口 # 重置感光元件 sensor.reset() sensor.set_framesize(sensor.QQVGA) sensor.set_pixformat(sensor.GRAYSCALE) # 在AP模式下启动wlan模块。 wlan = network.WLAN(network.AP_IF) wlan.config(ssid=SSID, key=KEY, channel=2) wlan.active(True) print("AP mode started. SSID: {} IP: {}".format(SSID, wlan.ifconfig()[0])) # 您可以阻止等待客户端连接 # print(wlan.wait_for_sta(100000)) def start_streaming(client): # 从客户端读取请求 data = client.recv(1024) # 应该在这里解析客户端请求 # 发送多部分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() # 开始流媒体图像 # 注:禁用IDE预览以增加流式帧率。 while True: clock.tick() # 跟踪snapshots()之间经过的毫秒数。 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.sendall(header) client.sendall(cframe) print(clock.fps()) server = None while True: if server is None: # 创建服务器套接字 server = socket.socket(socket.AF_INET, socket.SOCK_STREAM) server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True) # 绑定和监听 server.bind([HOST, PORT]) server.listen(5) # Set server socket to blocking server.setblocking(True) try: print("Waiting for connections..") client, addr = server.accept() except OSError as e: server.close() server = None print("server socket error:", e) continue try: # 将客户端套接字超时设置为5秒 client.settimeout(5.0) print("Connected to " + addr[0] + ":" + str(addr[1])) start_streaming(client) except OSError as e: client.close() print("client socket error:", e) # sys.print_exception(e)
报错信息如下:
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frame.compressed(quality=35)
改为frame.to_jpeg(quality=35, copy=True)