Arduno sketch too big

Hi, I'm building a reprap but cannot get the arduino firmware onto my arduino ng. It is the one with the atmega168. I am using the 0011 arduino IDE, and the 1.3 single arduino snap firmware (or I should be if I could get it flashed). The error I get is:

Binary sketch size: 15646 bytes (of a 14336 byte maximum)

This is on a gentoo linux amd64 box if that helps at all. Thanks in advance for any help.

That is strange. When I build the Single_Arduino_SNAP I get a compiled size of 14190 bytes (14336 maximum).

Are you using code from the SVN or version 1.3?

-Mark

I'm using the reprap-arduino-firmware-1.3.zip file from sourceforge, still no joy. The sketch size I get depends on what version of avr-libc I'm using, would you please tell me what version of the toolchain components you are using successfully?

I'm building on Ubuntu Hardy Heron. I believe that gcc-avr is version 4.2.2-1 and avr-libc is version 1.4.7-1.

Hope that is helpful to you.

-Mark

I had problems with gcc-avr or avr-libc versions that ship with hardy heron see
[bugs.launchpad.net]

Can you try calling strtod() and atof() on your arduino batmark and see if it works?

It could also be compiler options adruino 011 uses, I'm still using 010.

It compiles if that is what you mean. Haven't actually tested it on my arduino yet.

I'll give it a try later and report back.

-Mark

I managed to flash the 1.3 version of the reprap firmware using a 32-bit ubuntu pc. The default ubuntu toolchain must optimise for size more efficiently or something. Thanks for everyone's help anyways.

I have the same problem. I have downloaded reprap-arduino-firmware-1.3.zip, and I try to compile gcode-interpreter-experimental, the result are the same:
Sketch too big: see [www.arduino.cc] for tips on reducing it.

Im using ubuntu 8.10 (Intrepid Ibex), the relevant avr packages:
ii avr-libc 1:1.6.2-1
ii binutils-avr 2.18-3
ii gcc-avr 1:4.3.0-2

Im using arduino 0012, if it matters.

I have read that the default ubuntu's avr contains a bug (what bug?), and read this blog:
[blog.coldtobi.de]

But the proposed packages are way too old. (gcc-avr 4.1.0, and I have already 4.3.0).

Any idea?

It also says the following errors on the arduino console:

In file included from ThermoplastExtruder_SNAP_v1.h:37,
                 from ThermoplastExtruder_SNAP_v1.cpp:1:
/usr/lib/gcc/avr/4.3.0/../../../../avr/include/math.h:439: error: expected unqualified-id before 

Ok. Deleting
arduino-0012/hardware/libraries/ThermoplastExtruder_SNAP_v1
resolves the error message.

However the binary sketch size are still the same:
Binary sketch size: 14432 bytes (of a 14336 byte maximum)

Just a guess, but did you delete the object files before re-compiling? arduino-0011 wouldn't always delete them for me, so sometimes changes wouldn't make it through until I manually deleted all the *.o files in the directory.

Wade