Hello All,
As a beginner (I've written one real C application), using SDCC with an
Atmel 8051 micro on an XP machine, I can certainly empathize with
Richard. While the advice in these exchanges is helpful, It doesn't
address the question of better documentation.
It is in fact as I see it, an admission that the documentation is
inadequate. Further, it suggests that nothing is going to be done about it.
Bobby Garner
Maarten Brock wrote:
Hi Richard,
Now, SDCC is a great concept if, for example, it's easy to integrate with an
assembler, a linker, a simulator, a librarian, and all the other utilities
that are helpful in developing code.
SDCC for the 8051 only works with the assembler and linker that come
with it, sorry. It needs a separate assembler and linker and AFAIK
there is no other free/open source option available.
I just learned that the SiLabs
environment (IDE) without which it's apparently a pain to use their MCU's,
relies upon OMF files produced by SDCC tools, among others. That's why I'm
taking another look. The small bits of code I usually prepare for the
805x-series (up to, say, 12k-15k lines of ASM) are generally monolithic,
hence, don't require the linker, etc. Up to now, I've written code segments
and de-loused them separately, since the things I do, though sometimes
bigger than 8kB of object code, are seldom terribly complex. After that, I
simply combine those portions of code as macros or as subroutines.
Unfortunately the assembler that comes with SDCC does not support
macros. But the assembler/linker combination can also output OMF
files without being called by SDCC. And thus the SiLabs IDE can
download and debug the output. The SiLabs IDE can download only HEX-
files (which have no debug information) and OMF-files (which do). If
your favourite assembler (with or without linker) can generate OMF
files, the IDE should be able to load and debug them. The only real
issue I can think of would be the endianness for displaying
multibyte variables. Both big-endian and little-endian are supported
so choose a compiler setting with compatible endianness.
Hope this helps,
Maarten Brock
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