typo correction - " If you don't *know if* your ATmega2560 binaries are correctly compiled, AmForth does have precompiled ready to load ATmega328p binaries that you can load to an ArduinoUNO as a way of learning to understand AVRDUDE and proper FUSE settings."
On Wed, Sep 8, 2021 at 2:15 PM George Herzog <jackalopete...@gmail.com> wrote: > Hi Helen, > I strongly advise you to* avoid *use of Atmel Studio or the Microchip > successor. > > Using the standalone Atmel assembler in Windows is a much easier solution > to control. The Microsoft VisualStudio software bogs down and has a very > challenging learning curve with getting good results. > > *It sounds as though you successfully compiled binaries in hex files, but > you may very likely hit a snag in AVRDUDE. * > > It is very common when installing Forth to deploy the wrong fuse setting > and end up with no serial port response. So you might consider using an > online Atmel Fuse calculator to confirm your fuse settings. > > HERE IS A LINK ==> https://www.engbedded.com/fusecalc/ > > THERE ARE OTHERS IF THIS ONE DOESN'T APPEAL TO YOU. > > +++++++++++++++++++++++++ > Also, make sure that you understand what the AVRDUDE output is saying. > There are 3 separate parts to a successful download. The .hex file for the > flash, the .hex file for the eeprom, and the FUSE settings. > > If you don't your ATmega2560 binaries are correctly compiled, AmForth does > have precompiled ready to load ATmega328p binaries that you can load to an > ArduinoUNO as a way of learning to understand AVRDUDE and proper FUSE > settings. > > I hope this will help. > George Herzog > > > > On Wed, Sep 8, 2021 at 3:33 AM Helge Kruse <helge.kr...@gmx.net> wrote: > >> I am a newby to amForth. I want to use it at ATmega 2560. For the first >> steps I want to use the more common board Arduino UNO. >> >> I flashed the files uno.hex and uno.eep.hex from the directory >> amforth-6.9\appl\arduino to my Arduino UNO. This gives me a greeting >> >> amforth 6.9 ATmega328P Forthduino >> > >> >> I think, the mega328p fuses and the USB/serial connection are verified. >> Now I want to build the amForth from the sources. The documentation at >> http://amforth.sourceforge.net/UG/quick-windows.html is a bit dated (for >> amForth 6.6). The Atmel studio is not available anymore. I found only >> the Microchip Studio 7 as the successor of the Atmel studio at the >> Microchip website. (Atmel has been purchased by Microchip.) >> >> I set up a main.asm file as >> >> .include "preamble.inc" >> .equ F_CPU = 16000000 >> .include "drivers/usart.asm" >> .include "amforth.asm" >> >> and configured the include directories: >> $(PackRepoDir)\atmel\ATmega_DFP\1.6.364\avrasm\inc >> amforth-6.9\avr8 >> amforth-6.9\avr8\devices\atmega328p >> amforth-6.9\appl\arduino >> amforth-6.9\common >> Without these directories some .asm files had not been found. The >> Microchip Studio 7 compiles without errors: >> >> avrasm2.exe -fI -o my.hex -e my.eep -S my.tmp -W+ie -I"D:/Program Files >> (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.6.364\avrasm\inc" >> -I"amforth-6.9\avr8" -I"amforth-6.9\avr8\devices\atmega32" >> -I"amforth-6.9\appl\arduino" -I"amforth-6.9\common" -im32def.inc -d >> "Debug\myprog_m32.obj" "main.asm" -I "D:\Program Files >> (x86)\Atmel\Studio\7.0\toolchain\avr8\avrassembler\Include" >> >> >> Segment Begin End Code Data Used Size Use% >> ------------------------------------------------------------- >> [.cseg] 0x000000 0x007f82 1838 11508 13346 32768 40.7% >> [.dseg] 0x000060 0x00011f 0 191 191 2048 9.3% >> [.eseg] 0x000000 0x000086 0 134 134 1024 13.1% >> Assembly complete, 0 errors. 8 warnings >> >> I can also provide the complete assembler stdout stream. But I hesitate >> to send such a large mail to the list without request. >> >> But after flashing my.hex and my.eep to the Arduino UNO I can see >> nothing. Therefore I assume something's wrong with my build. >> >> Can somebody provide an minimum example for a basic amForth project with >> the Microchip Studio 7? >> Is there any updated documentation for the build process that handles >> the Studio 7 environment? >> Any hints how I find and remove the problem? >> >> I hope this can be easily solved. I've seen in the mailing list archive >> that a build with mega2560 was successful lately. >> >> Best regards, >> Helge >> >> >> _______________________________________________ >> Amforth-devel mailing list for http://amforth.sf.net/ >> Amforth-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/amforth-devel >> > _______________________________________________ Amforth-devel mailing list for http://amforth.sf.net/ Amforth-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/amforth-devel
