Wifi sketch error [CYW43] send_ethernet failed: -16777220

Arduino Boards
1

so i every time when i try to conect my arduino h7 portenta vision shield lora. i use the exmple sketch:mjpeg_streamer_py.but when i connect to my iphone’s hotspot it say this error [CYW43] cyw43_kso_set(1): failed
sdio_transfer_cmd53: error=00000004 wr=1 len=64 dma=1 buf_idx=0 STA=00000000 SDMMC=00000000:00000c00 IDMA=00000001
[CYW43] send_ethernet failed: -16777220
sdio_transfer_cmd53: error=00000004 wr=1 len=128 dma=1 buf_idx=0 STA=00000000 SDMMC=00000000:00000c00 IDMA=00000001
sdio_transfer_cmd53: error=00000004 wr=1 len=128 dma=1 buf_idx=0 STA=00000000 SDMMC=00000000:00000c00 IDMA=00000001

i have try every thing switch cable UFL cannect switxhings etc i dont what to do

2

Can you provide the script you used? Also, are you running the latest release firmware on your Portena (v4.7.0)?

4

done look

5

Please edit your post and use the code tags to format it.

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6 
# This work is licensed under the MIT license.
# Copyright (c) 2013-2023 OpenMV LLC. All rights reserved.
# https://github.com/openmv/openmv/blob/master/LICENSE
#
# 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
import time
import network
import socket

SSID = "iPhone 14 van maixent"  # Network SSID
KEY = "********"  # Network key
HOST = ""  # Use first available interface
PORT = 8080  # Arbitrary non-privileged port

# Init sensor
sensor.reset()
sensor.set_framesize(sensor.QVGA)
sensor.set_pixformat(sensor.GRAYSCALE)

# Init wlan module and connect to network
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(SSID, KEY)

while not wlan.isconnected():
    print('Trying to connect to "{:s}"...'.format(SSID))
    time.sleep_ms(1000)

# We should have a valid IP now via DHCP
print("WiFi Connected ", wlan.ifconfig())

# Create server socket
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)

# 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 5s
    client.settimeout(5.0)
    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.sendall(
        "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.to_jpeg(quality=35, copy=True)
        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())


while True:
    try:
        start_streaming(s)
    except OSError as e:
        print("socket error: ", e)
        # sys.print_exception(e)
7

Hi, it works as expected with my Arduino Portenta H7 and a Lora Vision Shield. Please update your firmware to the latest dev release. See Tools→Install Latest Dev Release.

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8

i try all the things but still not working and i cant find a exmple on arduino ide so what to do now

9

I’m not sure, if you updated your firmware to the latest and it’s still not working then the hardware may be damaged. All I can say is that isn’t not a firmware bug. So, that just leaves a hardware issue.