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- #include "lwip_dm9k.h"
- #include "dm9k.h"
- #include "ethernetif_dm9k.h"
- #include "lwip/tcpip.h"
- #include "lwip_init.h"
- #include "malloc.h"
- #include "memory_manager.h"
- struct netif dm9k_netif; // 定义一个网络接口
- #define DM9K_TASK_PRIO 10
- #define DM9K_TASK_STK_SIZE 512
- CPU_STK dm9k_task_stk[DM9K_TASK_STK_SIZE];
- static void ethernet_link_status_updated(struct netif *netif);
- // lwip 默认IP设置
- void lwip_dm9k_default_ip_set(__lwip_dev *lwipx)
- {
- // 默认远端IP为:192.168.1.100
- lwipx->remoteip[0] = 192;
- lwipx->remoteip[1] = 168;
- lwipx->remoteip[2] = 1;
- lwipx->remoteip[3] = 10;
- // MAC地址设置(高三字节固定为:2.0.0,低三字节用STM32唯一ID)
- lwipx->mac[0] = 2; // 高三字节(IEEE称之为组织唯一ID,OUI)地址固定为:2.0.0
- lwipx->mac[1] = 0;
- lwipx->mac[2] = 0;
- lwipx->mac[3] = 0x90; // 低三字节用STM32的唯一ID
- lwipx->mac[4] = 0x00;
- lwipx->mac[5] = 0xae;
- // 默认本地IP为:192.168.1.30
- lwipx->ip[0] = 192;
- lwipx->ip[1] = 168;
- lwipx->ip[2] = 1;
- lwipx->ip[3] = 40;
- // 默认子网掩码:255.255.255.0
- lwipx->netmask[0] = 255;
- lwipx->netmask[1] = 255;
- lwipx->netmask[2] = 255;
- lwipx->netmask[3] = 0;
- // 默认网关:192.168.1.1
- lwipx->gateway[0] = 192;
- lwipx->gateway[1] = 168;
- lwipx->gateway[2] = 1;
- lwipx->gateway[3] = 1;
- lwipx->dhcpstatus = 0; // 没有DHCP
- }
- void ethernet_dm9k_link_thread(void const *argument)
- {
- struct netif *netif = (struct netif *)(argument);
- for (;;)
- {
- ethernet_link_check_state(netif);
- OSTimeDly(2000);
- }
- }
- // LWIP初始化(LWIP启动的时候使用)
- void lwip_dm9k_init(void)
- {
- ip4_addr_t ipaddr;
- ip4_addr_t netmask;
- ip4_addr_t gw;
- uint8_t linkchanged = 0;
- lwip_dm9k_default_ip_set(&dm9kdev); // 设置默认IP等信息
- dm9k_init();
- #ifdef USE_DHCP // 使用动态IP
- ip_addr_set_zero_ip4(&ipaddr);
- ip_addr_set_zero_ip4(&netmask);
- ip_addr_set_zero_ip4(&gw);
- #else // 使用静态IP
- IP4_ADDR(&ipaddr, dm9kdev.ip[0], dm9kdev.ip[1], dm9kdev.ip[2], dm9kdev.ip[3]);
- IP4_ADDR(&netmask, dm9kdev.netmask[0], dm9kdev.netmask[1], dm9kdev.netmask[2], dm9kdev.netmask[3]);
- IP4_ADDR(&gw, dm9kdev.gateway[0], dm9kdev.gateway[1], dm9kdev.gateway[2], dm9kdev.gateway[3]);
- #endif
- netif_add(&dm9k_netif, &ipaddr, &netmask, &gw, NULL, ðernetif_dm9k_init, &tcpip_input); // 向网卡列表中添加一个网口
- netif_set_default(&dm9k_netif); // 设置netif为默认网口
- printf("LwIP Registers dm9k_netif default network interface....\r\n");
- /* Set the link callback function, this function is called on change of link status*/
- #if LWIP_NETIF_LINK_CALLBACK
- netif_set_link_callback(&dm9k_netif, ethernet_link_status_updated);
- #endif
- // OSTaskCreateExt((void (*)(void *))ethernet_dm9k_link_thread,
- // (void const *)&dm9k_netif,
- // (OS_STK *)&dm9k_task_stk[DM9K_TASK_STK_SIZE - 1],
- // (INT8U)DM9K_TASK_PRIO,
- // (INT16U)DM9K_TASK_PRIO,
- // (OS_STK *)&dm9k_task_stk[0],
- // (INT32U)DM9K_TASK_STK_SIZE,
- // (void *)0,
- // (INT16U)OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR | OS_TASK_OPT_SAVE_FP);
- linkchanged = dm9k_linkstat();
- if (netif_is_link_up(&dm9k_netif) && (linkchanged == 0))
- {
- printf("dm9k LwIP Error interface....\r\n");
- netif_set_down(&dm9k_netif);
- netif_set_link_down(&dm9k_netif);
- }
- else if (!netif_is_link_up(&dm9k_netif) && (linkchanged == 1))
- {
- printf("dm9k LwIP Finish interface....\r\n");
- netif_set_up(&dm9k_netif);
- netif_set_link_up(&dm9k_netif);
- }
- // ethernet_link_check_state(&dm9k_netif);
- // if (ethernet_link_check_state() == 1)
- // {
- // dm9k_netif.flags |= NETIF_FLAG_LINK_UP;
- // netif_set_up(&dm9k_netif);
- // }
- }
- /**
- * @brief This function notify user about link status changement.
- * @param netif: the network interface
- * @retval None
- */
- static void ethernet_link_status_updated(struct netif *netif)
- {
- #if LWIP_DHCP
- if (DHCPSemaphore == NULL)
- {
- osSemaphoreDef(ETH_SEM);
- DHCPSemaphore = osSemaphoreCreate(osSemaphore(ETH_SEM), 1);
- }
- #else
- ip_addr_t ipaddr;
- ip_addr_t netmask;
- ip_addr_t gw;
- #endif /* USE_DHCP */
- if (netif_is_link_up(netif))
- {
- #if LWIP_DHCP
- /* Update DHCP state machine */
- dm9kdev.dhcpstatus = DHCP_START;
- osSemaphoreRelease(DHCPSemaphore);
- #else
- IP4_ADDR(&ipaddr, dm9kdev.ip[0], dm9kdev.ip[1], dm9kdev.ip[2], dm9kdev.ip[3]);
- IP4_ADDR(&netmask, dm9kdev.netmask[0], dm9kdev.netmask[1], dm9kdev.netmask[2], dm9kdev.netmask[3]);
- IP4_ADDR(&gw, dm9kdev.gateway[0], dm9kdev.gateway[1], dm9kdev.gateway[2], dm9kdev.gateway[3]);
- dm9kdev.dhcpstatus = DHCP_ADDRESS_ASSIGNED; // 标记网络开启成功。
- #endif /* USE_DHCP */
- }
- else
- {
- #if LWIP_DHCP
- /* Update DHCP state machine */
- osSemaphoreRelease(DHCPSemaphore);
- #endif /* USE_DHCP */
- dm9kdev.dhcpstatus = DHCP_LINK_DOWN;
- }
- }
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