附上代码
OS_STK_DATA data;
ST_NETCONN *__pstConn, *__pstNewConn;
struct netbuf *__pstNetbuf;
int k,i;
k = 1;
(void)p_arg;
//ConsoleSem = OSSemCreate(1);
lwip_input = OSSemCreate(0);
next = OSSemCreate(1);
lwip_output = OSSemCreate(1);
Sem1 = OSSemCreate(0);
pri_info();
//Entrance to the lwip stack.
LWIP_main(p_arg);(就是这里,如果后面不加FOR循环,就PING 不通了)
for(;;){
AT91F_PIO_ClearOutput( AT91D_BASE_PIO_LED, led_mask[0]);
OSTimeDlyHMSM(0, 0, 0, SPEED);
AT91F_PIO_SetOutput( AT91D_BASE_PIO_LED, led_mask[0] ) ;
OSTimeDlyHMSM(0, 0, 0, SPEED);
}
__pstConn = netconn_new(NETCONN_TCP);
netconn_bind(__pstConn, NULL, 80);
netconn_listen(__pstConn);
while(TRUE)
{
__pstNewConn = netconn_accept(__pstConn);
if(__pstNewConn != NULL)
{
__pstNetbuf = netconn_recv(__pstNewConn);
if(__pstNetbuf != NULL)
{
netconn_write(__pstNewConn, "HTTP/1.1 200 OK
Content-type: text/html
", 44, NETCONN_COPY);
netconn_write(__pstNewConn, "<body><h1>这是LWIP TCP测试！</h1></body>", 40, NETCONN_COPY);
netbuf_delete(__pstNetbuf);
}
netconn_close(__pstNewConn);
while(netconn_delete(__pstNewConn) != ERR_OK)
OSTimeDlyHMSM(0, 0, 1, 0);
}
}
}
---------------------------
下面是LWIP初始化的代码
void LWIP_main(void *arg)
{
extern err_t ethernetif_init(struct netif *stNetif);
u8_t err;
struct ip_addr ipaddr, netmask, gw;
sys_sem_t sem;
static st_netif netif_test;
//netifnum = 0; //for count netif->num
sys_init();
mem_init();
memp_init();
pbuf_init();
//mainthread
netif_init();
sem = sys_sem_new(0);
tcpip_init(NULL, NULL);
tcpip_init(tcpip_init_done, &sem);
sys_sem_wait(sem);
sys_sem_free(sem);
udp_init();
//* 建立并配置EMAC接口
IP4_ADDR(&ipaddr,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetIPAddr(0):OURIP1,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetIPAddr(1):OURIP2,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetIPAddr(2):OURIP3,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetIPAddr(3):OURIP4);
IP4_ADDR(&netmask,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetNetMask(0):NETMASK1,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetNetMask(1):NETMASK2,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetNetMask(2):NETMASK3,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetNetMask(3):NETMASK4);
IP4_ADDR(&gw,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetGateway(0):GATEWAY1,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetGateway(1):GATEWAY2,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetGateway(2):GATEWAY3,
(PST_NET_CFG_PARAM->ulFlag == NET_CFG_FLAG)?macGetGateway(3):GATEWAY4);
netif_add(&netif_test,&ipaddr, &netmask, &gw, NULL, ethernetif_init,tcpip_input);
netif_set_default(&netif_test);
netif_set_up(&netif_test);
}
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