This is because a microcontroller is an embedded platform that obviously has no
standard console, so you have to define the proper way to write characters to a
console.
Regards
Seb
Le 05/10/2011 19:16, Theo Tijssen a écrit :
> Hello! I have a simple program in C language that I was hoping to compile in
> the SDCC compiler so I could download it onto my 8051 microcontroller. The
> code is:
> *
> /* Hello World program */
>
> #include<stdio.h>
>
> main()
> {
> printf("Hello World");
>
> }*
>
> The issue I am having is when I compile this in SDCC, the error reads:
> *?ASlink-Warning-Undefined Global '_putchar' referenced by module 'vprintf'*
>
> I tried putting in a general putchar code but that didn't work, it just gave
> me more errors in the compiler. Do you know how to fix this or what we need to
> add to our code in order for the compiler to properly compile it? Any help
> and/or suggestions are appreciated.
>
> Thanks in advance!
>
>
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All the data continuously generated in your IT infrastructure contains a
definitive record of customers, application performance, security
threats, fraudulent activity and more. Splunk takes this data and makes
sense of it. Business sense. IT sense. Common sense.
http://p.sf.net/sfu/splunk-d2dcopy1
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