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From: Matthias T. <mt...@we...> - 2006-12-22 09:04:35
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Frank, > In review, I think the flash (bootloader region) is not getting updated > and the link back to the forth words and dp are not being satisfied. And the HERE and DP variable were changed... I should add some code to verify the i! operation succeeded (maybe throw an error code?). > Are there fuses that need to be set to create the bootloader area so > that the spm instruction can work? I remember having such kind of trouble too. But I did not investigated it since it "somehow" went away while playing with the fuses. The only fuses I have set are the JTAGEN, SPIEN, BOOTSZ0 and BOOTSZ1 fuses. All others are cleared. You may check the lock fuses too, since they can stop spm and lpm from working (mine are all cleared == 1) Matthias |
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From: FCAPPELLE <fca...@HA...> - 2006-12-21 16:32:27
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=20 =20 Hi All, =20 What a great project! Hats off to M Trute. =20 I'm working completely in windows. I compiled the amforth.asm and associated files. Created the Hex and eeprom.hex files and programmed the ATMega32 board = with no problem. All the immediate forth words work (+,- stack words, etc). When I created a new word ( : test 1 1 + . ; ) the system hung. Reset brought it back to life with only recognizing the CR. Hangs when any word or number is used. =20 In review, I think the flash (bootloader region) is not getting updated = and the link back to the forth words and dp are not being satisfied. =20 Are there fuses that need to be set to create the bootloader area so = that the spm instruction can work? Or am I completely off track? Help is appreciated. =20 Frank =20 =20 fca...@ha... Frank Cappelle - District Technology Coordinator Harrison Public Schools 430 William Street Harrison, NJ 07029 973-483-4627 =20 |
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From: Matthias T. <mt...@we...> - 2006-12-18 13:02:14
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Hi, Zuf=E4lle gibt es... Im Anhang findest Du die 2 hex-Files, die komplett auf den BF kommen. Der Standardbootloader mu=DF und wird dabei =FCberschrieben. Zumindest bei mir habe ich damit eine Forth-Console auf dem USART Port (links die 3 Pins). (9600 8N1 kein Handshake) amforth meldet sich schon mit Version 1.0, die ist aber noch nicht fertig... Feedback (Positiv wie negativ) w=E4re mir willkommen! Matthias Meino Christian Cramer schrieb: > Hi Matthias, >=20 > ...nur eine kruze Frage... > Kann ich Dein AMFORTH auf dem AVR-Butterfly einsetzen. Er l=E4uft mit > einem ATmega 169 AVR microcontroller... >=20 > Vielen Dank f=FCr Deine Hilfe (und AMFORTH nat=FCrlich !!!) im Voraus! > Gru=DF, > Meino >=20 > -----------------------------------------------------------------------= -- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share= your > opinions on IT & business topics through brief surveys - and earn cash > http://www.techsay.com/default.php?page=3Djoin.php&p=3Dsourceforge&CID=3D= DEVDEV > _______________________________________________ > Amforth-devel mailing list > Amf...@li... > https://lists.sourceforge.net/lists/listinfo/amforth-devel >=20 |
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From: Matthias T. <mt...@we...> - 2006-12-18 08:23:36
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Meino Christian Cramer schrieb: > Hi Matthias, >=20 > ...nur eine kruze Frage... > Kann ich Dein AMFORTH auf dem AVR-Butterfly einsetzen.=20 Im Prinzip ja. > Er l=E4uft miteinem ATmega 169 AVR microcontroller... Dann mu=DF "nur" eine Anpassung analog zu den anderen ATmega Typen (devices/ Verzeichnis) erstellt werden. Wenn dann noch die Taktfrequenz stimmt, steht einem amforth auf dem Butterfly nichts im Wege. Da ich selbst aber keinen habe, kann ich das weder erstellen noch testen. Gru=DF Matthias |
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From: Meino C. C. <Mei...@gm...> - 2006-12-18 02:28:56
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Hi Matthias, ...nur eine kruze Frage... Kann ich Dein AMFORTH auf dem AVR-Butterfly einsetzen. Er l=E4uft mit einem ATmega 169 AVR microcontroller... Vielen Dank f=FCr Deine Hilfe (und AMFORTH nat=FCrlich !!!) im Voraus!= Gru=DF, Meino |
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From: Christian B. <cas...@ca...> - 2006-11-18 21:09:26
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Servus, Du, ich glaube, ich hab ein kleines Projekt, dass gut zu Deinem passen w=FC= rde. http://casandro.dyndns.org/ccc/computer/ Ich hab auf dem ATMega8 einen Videoausgabe und eine Tastatureingabe=20 realisiert. Damit kann man also mit extrem wenig Hardware eine Tastatur und= =20 ein Fernsehger=E4t anschlie=DFen. Das braucht etwa 7 Kilobyte ROM und hat e= twa=20 200 Byte freies RAM auf dem ATMega8. 40x20 Zeichen k=F6nnen dargestellt wer= den. Jetzt verstehe ich aber nur relativ wenig von Forth, nur die grobe Struktur= ,=20 und warum es so elegant ist. Ich weiss nicht, was dein Projekt von der Hardware braucht. Meines braucht = den=20 USART (f=FCr die Tastatur), sowie einen Port (Bit 0 als Ausgang, man kann d= en=20 Rest immernoch als Eingang verwenden), sowie Timer 0. Als Ein- und Ausgaberoutinen gibts eine Routine, die Dir ein ASCII-Zeichen= =20 zur=FCckliefert (oder 0 wenn kein Zeichen im Buffer ist), sowie eine Routin= e=20 zur Ausgabe von Zeichen. Nat=FCrlich gibts dann noch ein=20 paar "Sonderfunktionen" f=FCr die "Cursorsteuerung". Einen echten Cursor gi= bts=20 nat=FCrlich nicht. Also wenn Du Dir den Quellcode anschauen m=F6chtest, hier ist er: http://casandro.dyndns.org/ccc/video_terminal_2006-09-18.tar.gz Servus Casandro |
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From: Ron M. <r....@hc...> - 2006-11-05 10:31:23
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Hello, Matthias Every few days I scan the AVRFreaks site. I stumbled apon your posting announcing "yet another AVR Forth". With interest I read your story. And reading the references I was very pleased that you liked my article series in VD. Fred Behringer has done an execllent job in translating the article from the Dutch version in the "Vijgeblaadje" magazine. Let me introduce myself: I am the author of the "Forth von der Pike auf" series. In the recent years I was busy crafting a standalone Forth "from scratch", and the project is almost finished. It consists of an assembly-only version in Atmel's Studio environment, using a prototyping boad with a AT90S8515 and a ATMEGA162 on it. The 8515 is used for monitoring, and the MEGA161 holds the Forth. Both the versions (with "outside RAM" and with on-board RAM only) are supported. The Forth is a FIG version, an ANSI version is in the future when the project is completed. I am very busy completing the documentation in the sourcefiles. If you are interested in the project, please send me an email and we can discuss in which way we may help eachother. The project has not been released to the public domain yet. Answers in English are OK, I can read German as well. Best regards. Ron Minke r....@hc... 2006-11-05 |
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