Build started: Project: stm32f767 *** Using Compiler 'V5.06 update 6 (build 750)', folder: 'C:Keil_v5ARMARMCCBin' Build target 'stm32f767' compiling ethernetif.c... ..LwIP-2.0.3configethernetif.c(153): warning: #177-D: variable "regvalue" was declared but never referenced uint32_t regvalue = 0; ..LwIP-2.0.3configethernetif.c: 1 warning, 0 errors linking... .Objectsstm32f767.axf: Error: L6218E: Undefined symbol sio_open (referred from slipif.o). .Objectsstm32f767.axf: Error: L6218E: Undefined symbol sio_send (referred from slipif.o). .Objectsstm32f767.axf: Error: L6218E: Undefined symbol sio_tryread (referred from slipif.o). Not enough information to list image symbols. Not enough information to list load addresses in the image map. Finished: 2 information, 0 warning and 3 error messages. ".Objectsstm32f767.axf" - 3 Error(s), 1 Warning(s).
未定义符号 sio_open
解决：别引进来 slipif.c。
去除 slipif.c 再编译，通过。
Build started: Project: stm32f767 *** Using Compiler 'V5.06 update 6 (build 750)', folder: 'C:Keil_v5ARMARMCCBin' Build target 'stm32f767' compiling main.c... ..User../Middlewares/inc/dma.h(18): warning: #1-D: last line of file ends without a newline ..Usermain.c(84): warning: #223-D: function "Netif_Config" declared implicitly Netif_Config();//网络接口配置 ..Usermain.c(44): warning: #177-D: variable "TransferStatus" was declared but never referenced uint8_t TransferStatus; //定义存放比较结果变量 ..Usermain.c: 3 warnings, 0 errors linking... Program Size: Code=30932 RO-data=992 RW-data=212 ZI-data=392180 FromELF: creating hex file... ".Objectsstm32f767.axf" - 0 Error(s), 3 Warning(s). Build Time Elapsed: 00:00:09
编译通过，烧写。
Load "E:\GITEE_2021\stm32f767template\MDK-ARM\Objects\stm32f767.axf" Erase Done. Programming Done. Verify OK. Application running ... Flash Load finished at 20:28:00
烧写通过，测试：
打开串口助手，和，命令提示符窗口，进行ping命令测试，测试通过。
列举最终的文件目录：
