a274264307 发表于 2013-3-19 15:17:19

请问怎么使用LWIP

是不是把LWIP文件都添加到工程就能用了？
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol lwip_htonl (referred from chargen.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol lwip_htons (referred from chargen.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol closedir (referred from ftpd.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol lseek (referred from ftpd.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol mkdir (referred from ftpd.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol open (referred from ftpd.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol opendir (referred from ftpd.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol readdir (referred from ftpd.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol stat (referred from ftpd.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol unlink (referred from ftpd.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol mem_free (referred from netio.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol mem_malloc (referred from netio.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol lwip_ntohs (referred from ping.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol lwip_ntohl (referred from sntp.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol netifapi_netif_set_addr (referred from sys_arch.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol mem_trim (referred from pbuf.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol mem_init (referred from init.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol netifapi_netif_add (referred from ethernetif.o).
.\obj\rtthread-stm32.axf: Error: L6218E: Undefined symbol netifapi_netif_common (referred from ethernetif.o).
貌似会出现这些错误

icgrai 发表于 2013-3-20 09:48:42

scons直接上就行了
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