ifconfig查看Flags没有BROADCAST的选项,不支持吗,还是有什么补丁文件。当执行setsockopt(sock, SOL_SOCKET, SO_BROADCAST, &set, sizeof(int))就报错。
[E/wiz.socket] WIZnet setsockopt socket (0) not support option name : 32
msh />ifconfig
network interface device: W5500 (Default)
MTU: 1472
MAC: fe 51 34 45 20 4f
FLAGS: UP LINK_UP INTERNET_UP DHCP_ENABLE
ip address: 192.168.3.72
gw address: 192.168.3.1
net mask : 255.255.255.0
dns server #0: 192.168.3.1
dns server #1: 0.0.0.0
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