LWIP tcp 4.0.2

40 stm32f103 LWIP 2.0.2 TCP收发问题

发布于 2020-07-14 13:25:56 浏览：1204

TCP收发参考了官方例程，具体网络部分配置如下：
TCP收发线程刚开始正常，过一会儿没有收发之后，服务器再发就收不到了  感觉接收线程阻塞活休眠了一样，有时候一点也收不到  有时候收到一两包

/* Network */

/* Socket abstraction layer */

#define RT_USING_SAL

/* protocol stack implement */

#define SAL_USING_LWIP
#define SAL_USING_POSIX

/* Network interface device */

#define RT_USING_NETDEV
#define NETDEV_USING_IFCONFIG
#define NETDEV_USING_PING
#define NETDEV_USING_NETSTAT
#define NETDEV_USING_AUTO_DEFAULT
#define NETDEV_IPV4 1
#define NETDEV_IPV6 0

/* light weight TCP/IP stack */

#define RT_USING_LWIP
#define RT_USING_LWIP202
#define RT_LWIP_IGMP
#define RT_LWIP_ICMP
#define RT_LWIP_DNS
#define RT_LWIP_DHCP
#define IP_SOF_BROADCAST 1
#define IP_SOF_BROADCAST_RECV 1

/* Static IPv4 Address */

#define RT_LWIP_IPADDR "192.168.1.30"
#define RT_LWIP_GWADDR "192.168.1.1"
#define RT_LWIP_MSKADDR "255.255.255.0"
#define RT_LWIP_UDP
#define RT_LWIP_TCP
#define RT_LWIP_RAW
#define RT_MEMP_NUM_NETCONN 3
#define RT_LWIP_PBUF_NUM 8
#define RT_LWIP_RAW_PCB_NUM 2
#define RT_LWIP_UDP_PCB_NUM 2
#define RT_LWIP_TCP_PCB_NUM 2
#define RT_LWIP_TCP_SEG_NUM 30
#define RT_LWIP_TCP_SND_BUF 8196
#define RT_LWIP_TCP_WND 8196
#define RT_LWIP_TCPTHREAD_PRIORITY 10
#define RT_LWIP_TCPTHREAD_MBOX_SIZE 8
#define RT_LWIP_TCPTHREAD_STACKSIZE 1024
#define RT_LWIP_ETHTHREAD_PRIORITY 12
#define RT_LWIP_ETHTHREAD_STACKSIZE 1024
#define RT_LWIP_ETHTHREAD_MBOX_SIZE 8
#define LWIP_NETIF_STATUS_CALLBACK 1
#define LWIP_NETIF_LINK_CALLBACK 1
#define SO_REUSE 1
#define LWIP_SO_RCVTIMEO 1
#define LWIP_SO_SNDTIMEO 1
#define LWIP_SO_RCVBUF 1
#define LWIP_NETIF_LOOPBACK 0
#define RT_LWIP_USING_PING

/* AT commands */