Hi My code works with esp-idf Release 3.3.4. And it works well; This days I try to modify the code with esp-idf Release 4.2. I found that i can not get the error code(128) with "getsockopt" .And at that time i can get the error code from...
首先是，完成了从网卡接收数据包，申请内存pbuf，写入到连接所在的邮箱队列 if (isLwIP_Init == TRUE)...
#define SO_RCVTIMEO 0x1006 /* receive timeout */ #define SO_ERROR 0x1007 /* get error status and clear */ #define SO_TYPE 0x1008 /* get socket type */ #define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */ #define SO_NO_CHECK 0x100a /* don't create UDP checksum */...
同样的,该函数会调用netconn_apimsg()函数构造一个API消息,并且请求内核执行lwip_netconn_do_getaddr()函数, 然后通过netconn连接结构的信号量进行同步 err_t netconn_getaddr(struct netconn *conn, ip_addr_t *addr, u16_t *port, u8_t local) { API_MSG_VAR_DECLARE(msg); err_t err; API_MSG_...
low_level_input(structnetif*netif){structpbuf*p,*q;u16_tlen;uint8_t*buffer;__IOETH_DMADescTypeDef*dmarxdesc;uint32_tbufferoffset=0;uint32_tpayloadoffset=0;uint32_tbyteslefttocopy=0;uint32_ti=0;if(HAL_ETH_GetReceivedFrame(&g_eth_handler)!=HAL_OK)/* 判断是否接收到数据 */returnNULL...
> if (ip_get_option(pcb, SOF_REUSEADDR)) { 584d556 < lpcb->bound_to_netif = pcb->bound_to_netif; 586d557 < memcpy(lpcb->local_netif, pcb->local_netif, sizeof(pcb->local_netif)); 598c569 < if (pcb->local_port != 0 || pcb->bound_to_netif) { ...
uCOSII平台下的LwIP移植笔记作者:焦海波2006911 下载LwIP22 建立一个最基本的工程 23 把LwIP加入工程 24 编写操作系统模拟层相关代码 34.1 操作系统模拟层移植说明一一中文翻译34.2 编写操作系统模拟层 6
{ #ifdef LWIP_HOOK_ETHARP_GET_GW /* 网关钩子函数,可以自定义选择网关 */ dst_addr = LWIP_HOOK_ETHARP_GET_GW(netif, ipaddr); if (dst_addr == NULL) #endif /* LWIP_HOOK_ETHARP_GET_GW */ { /* 查看网卡是否有默认网关 */ if (!ip4_addr_isany_val(*netif_ip4_gw(netif))) { /...
* Get an element from a specific pool. * * @param type the pool to get an element from * * @return a pointer to the allocated memory or a NULL pointer on error */ void* #if !MEMP_OVERFLOW_CHECK memp_malloc(memp_ttype) #else ...
If not, goto error */ if((DmaTxDesc->Status & ETH_DMATXDESC_OWN) != (uint32_t)RESET) { errval = ERR_USE; goto error; } /* Get bytes in current lwIP buffer */ byteslefttocopy = q->len; payloadoffset = 0; /* Check if the length of data to copy is bigger than Tx buffe...