From: <an...@sk...> - 2005-10-16 21:08:13
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I connected the robostix to the STK500 and set it to the high voltage/parallel programming setting. I can read in values on the high voltage setting but not write to it. It looks like the problem is I managed to set the "boot flash section size=512" instead of set to 4096 which is default. When I try to write new fuse settings I get the following output: Entering programming mode.. OK! Writing fuses.. 0xFF, 0xE9, 0xBF .. OK! Reading fuses -- 0xFF, 0xFF, 0xFF .. OK! WARNING: Fuse bits verification.. FAILED Is there a way to force writing the fuses and put the correct boot sector back onto the stix? Can I recover from this or do I have a brick? Thanks, ~Andrew > Thanks for the quick replies! My dad has an STK500 so I'll see if I can > recover my board with it over the weekend. If not, I may be looking > building a jtag device or buying a new robostix as it's around the same > price as buying an avr jtag. > > ~Andrew > > Dave Hylands wrote: > >>Hi Andrew, >> >> >> >>>In my goofing around with my robostix I seem to have mucked up the fuses >>>such that I can not program it from my serial programmer anymore. After >>>going through the atmega128 documentation I think I may have disabled >>>the serial port programmer support by mistake. >>>Will a parallel programmer work on the ISP on the board? The >>>documentation indicate that the pins for the parallel programmers are >>>different (page 292 and 303) which makes me a bit leery. If not, is >>>there another way to access the pins for a parallel programmer or to >>>reprogram the fuse bits? >>> >>> >> >>There are really 3 different programming modes: >> >>1 - low voltage ISP - This is what the AVRISP and programming from the >>gumstix do. >> >>2 - high voltage ISP. I think that this is available if you have an >> STK500. >> >>3 - JTAG - If you have an AVR JTAG. >> >>It is definitely possible to turn the robostix into a brick by using >>the wrong fuse settings. >> >>-- >>Dave Hylands >>Vancouver, BC, Canada >>http://www.DaveHylands.com/ >> >> >>------------------------------------------------------- >>This SF.Net email is sponsored by: >>Power Architecture Resource Center: Free content, downloads, discussions, >>and more. http://solutions.newsforge.com/ibmarch.tmpl >>_______________________________________________ >>gumstix-users mailing list >>gum...@li... >>https://lists.sourceforge.net/lists/listinfo/gumstix-users >> >> > |