Unresolved external symbol warning

I am trying to write a program for cypress FX2 chip. But I am getting the following warnings: *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: USBIE MODULE: ex1.obj (EX1) *** WARNING L2: REFERENCE...
warning: unresolved external symbol

would appreciate if someone can tell me c and asembly code in the Uvision3? my source code as follows #include <reg51.h> #include <C51S.LIB> #include<stdio.h> #include "setUpSerPort.h" void main...
warning: unresolved external symbol

would appreciate if someone can tell me c and asembly code in the Uvision3? my source code as follows #include <reg51.h> #include <C51S.LIB> #include<stdio.h> #include "setUpSerPort.h" void main...
Unresolved external symbol warning

I am trying to write a program for cypress FX2 chip. But I am getting the following warnings: *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: USBIE MODULE: ex1.obj (EX1) *** WARNING L2: REFERENCE...
BL51: '*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL'

I am designing an application to run on the Si Labs C8051F046 MCU with uVision 3. Yesterday I created a new project, but forgot to include one of the source modules. This produced a line during the...