undefined reference to `outbyte'

undefined reference to `outbyte'

his error occurs when the C-code contains "printf-" statements and a peripheral has not been defined as "std_out" and "std_in". To work around this problem, use one of the following solutions:

Remove the "printf-" statement.
or
Define peripheral as Standard-out and Standard-in.

This can be done by using the Software Platform Settings dialog box.