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...
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...
linker warning: UNRESOLVED EXTERNAL SYMBOL

Hi I have a very simple code (see below linker warning) and I get following linker warning. Im working with the Silicon Laboratories IDE. How can I solve this problem? What do I have to change? Do...