ch579同时用以太网和U盘功能，编译一直报错怎么解决？

ch579同时用以太网和U盘功能，编译一直报错，单独用其中一个就可以，是内存不够吗

compiling CH57x_uart2.c...
compiling CH57x_uart3.c...
linking...
.Objectsproject.axf: Error: L6218E: Undefined symbol CopySetupReqPkg (referred from CH579MAI.o).
.Objectsproject.axf: Error: L6218E: Undefined symbol CtrlClearEndpStall (referred from CH579MAI.o).
.Objectsproject.axf: Error: L6218E: Undefined symbol CtrlGetConfigDescr (referred from CH579MAI.o).
.Objectsproject.axf: Error: L6218E: Undefined symbol CtrlSetUsbConfig (referred from CH579MAI.o).
.Objectsproject.axf: Error: L6218E: Undefined symbol HostCtrlTransfer (referred from CH579MAI.o).
.Objectsproject.axf: Error: L6218E: Undefined symbol USBHostTransact (referred from CH579MAI.o).
Not enough information to list image symbols.
Finished: 1 information, 0 warning and 6 error messages.
".Objectsproject.axf" - 6 Error(s), 6 Warning(s).
Target not created.
Build Time Elapsed:  00:00:04


  
  是在一个正常使用的带以太网的程序上改的，只加上U盘支持的3个文件。还没写功能就编译不下去了

  
  去掉3个文件，编译通过
main.c: 5 warnings, 0 errors
linking...
Program Size: Code=30080 RO-data=376 RW-data=352 ZI-data=19224  
FromELF: creating hex file...
".Objectsproject.axf" - 0 Error(s), 5 Warning(s).
Build Time Elapsed:  00:00:01