I've written this technique up in the hope it will help others.
Instructions for Building amforth-5-1 using Atmel Studio 6.1 Components
Craig Lindley
November, 2013
Motivation
Building AmForth requires a compatible assembler. Atmel Studio 6.1 for
Windows includes avrasm2.exe
which works great for this process but using Atmel Studio is overkill in my
opinion. On my Mac
Atmel Studio 6.1 takes forever to load and execute (using the Parallel's
Desktop) plus it crashes half
the time when I try to make changes to my amforth project's configuration.
I wanted to be able to quickly make changes to AmForth and turn around new
hex and eep files for
downloading into an Arduino Uno. Note: the technique I discuss here can be
used for any Atmel target
hardware, not just an Arduino Uno.
Prerequisites
1. Download and installation of the free version of Atmel Studio 6.1 on a
Windows computer
2. Being comfortable running a command prompt in the Windows environment
Process
1. Create a project directory into which we are going to copy a bunch of
files
I chose c:\amforth for my project directory.
2. Copy avrasm2.exe and the complete include directory from
c:\Program Files\Atmel\Atmel Toolchain\AVR
Assembler\Native\2.1.39.1005\avrassembler
into the project directory
3. Uncompress and un tar the amforth-5.1 distribution file
(amforth-5.1.tar.gz) into the project directory
4. Go into the amforth-5.1\appl\arduino directory of the distribution and
copy uno.asm, dict_appl_code.inc,
dict_appl.inc and the words directory into the project directory.
5. Go into the amforth-5.1\core\devices directory and find the directory
named with the processor you are
going to use (in my case atmega328p) and from that directory copy
device.asm and device.inc into the
project directory.
6. Create a bat file in the project directory with the following content:
REM batch file for assembling amforth on windows
avrasm2.exe -fI -o uno.hex -e uno.eep -l uno.lst -I .\ -I
amforth-5.1\core -I include -v0 uno.asm
I named my bat file make.bat.
When you have completed these steps you should have a directory structure
as follows:
c:\amforth - your project directory
amforth-5.1 - the uncompressed and untarred amforth-5.1 distribution
appl
core
doc
. . .
include - copied from c:\Program Files\Ateml\Atmel
Toolchain\AVR Assembler\Native\2.1.39.1005\avrassembler
words
applturnkey.asm
avrasm2.exe - copied from c:\Program Files\Ateml\Atmel
Toolchain\AVR Assembler\Native\2.1.39.1005\avrassembler
device.asm
device.inc
dict_appl.inc
dict_appl_core.inc
make.bat
If all is well, change directory to your project directory and type make
from a command prompt. In less than a
second you will have the new amforth files (hex file and eep file) for
programming into you target hardware.
You could now uninstall Atmel Studio if you want as it is no longer
required.
Making changes to amforth is now very easy and turn around is very fast.
Cheers for AmForth!
--
Craig Lindley
If you’re one in a million, there are now seven thousand people exactly
like you.
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