stm32f407老是报错希望大哥们能帮忙解答一下

z824057572

Build started: Project: lan_tcpc

Warning: *** SUPPORT EXPIRED, NEW PRODUCT SERIAL NUMBER REQUIRED ***
         *** Running with Code Size Limit: 32K                   ***
*** Using Compiler 'V5.06 update 6 (build 750)', folder: 'd:\Keil_v5\ARM\ARMCC\Bin'
Build target 'Target 1'
linking...
.\Objects\lan_tcpc.axf: Error: L6218E: Undefined symbol eMBRegCoilsCB (referred from mbfunccoils.o).
.\Objects\lan_tcpc.axf: Error: L6218E: Undefined symbol eMBRegDiscreteCB (referred from mbfuncdisc.o).
.\Objects\lan_tcpc.axf: Error: L6218E: Undefined symbol eMBRegHoldingCB (referred from mbfuncholding.o).
.\Objects\lan_tcpc.axf: Error: L6218E: Undefined symbol eMBRegInputCB (referred from mbfuncinput.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 4 error messages.
".\Objects\lan_tcpc.axf" - 4 Error(s), 1 Warning(s).
Target not created.
Build Time Elapsed:  00:00:00

狼里个狼121

这个报错提示是没有定义哦， eMBRegCoilsCB，eMBRegDiscreteCB，eMBRegHoldingCB ，eMBRegInputCB这几个参数都没有相关的一个定义