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#include <rtthread.h>
#include "lwip/debug.h"
#include "lwip/mem.h"
#include "lwip/sys.h"
#include "lwip/stats.h"
#include "lwip/tcpip.h"
#include "lwip/ip_addr.h"
#include "lwip/dhcp.h"
#include "netif/ethernetif.h"
#include "netif/etharp.h"
static err_t netif_device_init(struct netif *netif)
{
struct eth_device *ethif;
ethif = (struct eth_device*)netif->state;
if (ethif != RT_NULL)
{
rt_device_t device;
/* get device object */
device = (rt_device_t) ethif;
if (rt_device_init(device) != RT_EOK)
{
return ERR_IF;
}
return ERR_OK;
}
return ERR_IF;
}
static void tcpip_init_done_callback(void *arg)
{
rt_device_t device;
struct eth_device *ethif;
struct ip_addr ipaddr, netmask, gw;
struct rt_list_node* node;
struct rt_object* object;
struct rt_object_information *information;
extern struct rt_object_information rt_object_container[];
LWIP_ASSERT("invalid arg.\n",arg);
IP4_ADDR(&gw, 0,0,0,0);
IP4_ADDR(&ipaddr, 0,0,0,0);
IP4_ADDR(&netmask, 0,0,0,0);
/* enter critical */
rt_enter_critical();
/* for each network interfaces */
information = &rt_object_container[RT_Object_Class_Device];
for (node = information->object_list.next; node != &(information->object_list); node = node->next)
{
object = rt_list_entry(node, struct rt_object, list);
device = (rt_device_t) object;
if (device->type == RT_Device_Class_NetIf)
{
ethif = (struct eth_device*)device;
/* leave critical */
rt_exit_critical();
netif_add(ethif->netif, &ipaddr, &netmask, &gw,
ethif, netif_device_init, tcpip_input);
if (netif_default == RT_NULL)
netif_set_default(ethif->netif);
#if LWIP_DHCP
dhcp_start(ethif->netif);
#else
netif_set_up(ethif->netif);
#endif
#ifdef LWIP_NETIF_LINK_CALLBACK
netif_set_link_up(ethif->netif);
#endif
/* enter critical */
rt_enter_critical();
}
}
/* leave critical */
rt_exit_critical();
rt_sem_release((rt_sem_t)arg);
}
/**
* LwIP system initialization
*/
void lwip_system_init(void)
{
rt_err_t rc;
struct rt_semaphore done_sem;
rc = rt_sem_init(&done_sem, "done", 0, RT_IPC_FLAG_FIFO);
if(rc != RT_EOK)
{
LWIP_ASSERT("Failed to create semaphore", 0);
return;
}
tcpip_init(tcpip_init_done_callback,(void *)&done_sem);
/* waiting for initialization done */
if (rt_sem_take(&done_sem, RT_WAITING_FOREVER) != RT_EOK)
{
rt_sem_detach(&done_sem);
return;
}
rt_sem_detach(&done_sem);
/* set default ip address */
#if !LWIP_DHCP
{
struct ip_addr ipaddr, netmask, gw;
IP4_ADDR(&ipaddr, RT_LWIP_IPADDR0, RT_LWIP_IPADDR1, RT_LWIP_IPADDR2, RT_LWIP_IPADDR3);
IP4_ADDR(&gw, RT_LWIP_GWADDR0, RT_LWIP_GWADDR1, RT_LWIP_GWADDR2, RT_LWIP_GWADDR3);
IP4_ADDR(&netmask, RT_LWIP_MSKADDR0, RT_LWIP_MSKADDR1, RT_LWIP_MSKADDR2, RT_LWIP_MSKADDR3);
netifapi_netif_set_addr(netif_default, &ipaddr, &netmask, &gw);
}
#endif
}
/**
* Compatible with RT-Thread 0.2.x/0.3.x
*/
void lwip_sys_init(void)
{
lwip_system_init();
}
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