Default values I use are: lfuse = 0x62, hfuse = 0xDF, efuse = 0x01. Highspeed mode: lfuse = 0xE2.
On Tue, Oct 16, 2018 at 10:01 PM John Verne <john.ve...@gmail.com> wrote: > Oh, wait. My last response is just going to add to the confusion. Sorry > about that. > > Are you sure you have the fuse settings right in your command line? Have > you swapped efuse and lfuse by accident in that command line? > > I would expect efuse to be 0xFF, which is the default. 0x05 doesn't really > make sense, but does set a brown-out detector level -- which is true for > 0xFD as well. > > The hfuse at 0xD9 is the default, and can be the most dangerous to change. > Consider this an expert setting. > > lfuse is the one we usually want to change (unless tweaking brownout > detection or debugging). This is the one where we set clock speed and > oscillator source and so on, and is the one I usually customize. This > should not be 0xFF unless you want to run at 1MHz instead of 8MHz. This is > the one that is usually at 0x05 or 0x62. > > Double check your Makefile or the command you are typing in, and make sure > you have't swapped the efuse and lfuse values. > > On Tue, 16 Oct 2018 at 14:56, Jan Kromhout <krom1...@hotmail.com> wrote: > > > When loading AmForth into my Arduino Uno I get an error on the end. > > My question is what to do in that case? > > Are my settings of the fuse one? > > > > Cheers, > > > > Jan > > > > > > avrdude: verifying ... > > avrdude: verification error, first mismatch at byte 0x0000 > > 0xfd != 0x05 > > avrdude: verification error; content mismatch > > > > avrdude: safemode: efuse changed! Was 5, and is now fd > > Would you like this fuse to be changed back? [y/n] n > > avrdude: safemode: Fuses OK (E:05, H:DE, L:FF) > > > > My question is what to do in that situation? > > > > > > > > > > > > MacBook-Pro-van-Jan-5:avrdude jankromhout$ avrdude -P > > /dev/tty.usbmodem00230362 -c avrispv2 -b 19200 -p m328p -e -U > > flash:w:uno.hex:i -U eeprom:w:uno.eep.hex:i -U efuse:w:0x05:m -U > > hfuse:w:0xD9:m -U lfuse:w:0xFF:m > > > > avrdude: AVR device initialized and ready to accept instructions > > > > Reading | ################################################## | 100% 0.00s > > > > avrdude: Device signature = 0x1e950f (probably m328p) > > avrdude: erasing chip > > avrdude: reading input file "uno.hex" > > avrdude: writing flash (32638 bytes): > > > > Writing | ################################################## | 100% 2.06s > > > > avrdude: 32638 bytes of flash written > > avrdude: verifying flash memory against uno.hex: > > avrdude: load data flash data from input file uno.hex: > > avrdude: input file uno.hex contains 32638 bytes > > avrdude: reading on-chip flash data: > > > > Reading | ################################################## | 100% 1.86s > > > > avrdude: verifying ... > > avrdude: 32638 bytes of flash verified > > avrdude: reading input file "uno.eep.hex" > > avrdude: writing eeprom (144 bytes): > > > > Writing | ################################################## | 100% 0.06s > > > > avrdude: 144 bytes of eeprom written > > avrdude: verifying eeprom memory against uno.eep.hex: > > avrdude: load data eeprom data from input file uno.eep.hex: > > avrdude: input file uno.eep.hex contains 144 bytes > > avrdude: reading on-chip eeprom data: > > > > Reading | ################################################## | 100% 0.02s > > > > avrdude: verifying ... > > avrdude: 144 bytes of eeprom verified > > avrdude: reading input file "0x05" > > avrdude: writing efuse (1 bytes): > > > > Writing | ################################################## | 100% 0.01s > > > > avrdude: 1 bytes of efuse written > > avrdude: verifying efuse memory against 0x05: > > avrdude: load data efuse data from input file 0x05: > > avrdude: input file 0x05 contains 1 bytes > > avrdude: reading on-chip efuse data: > > > > Reading | ################################################## | 100% 0.00s > > > > avrdude: verifying ... > > avrdude: verification error, first mismatch at byte 0x0000 > > 0xfd != 0x05 > > avrdude: verification error; content mismatch > > > > avrdude: safemode: efuse changed! Was 5, and is now fd > > Would you like this fuse to be changed back? [y/n] n > > avrdude: safemode: Fuses OK (E:05, H:DE, L:FF) > > > > avrdude done. Thank you. > > > > MacBook-Pro-van-Jan-5:avrdude jankromhout$ > > > > _______________________________________________ > > Amforth-devel mailing list for http://amforth.sf.net/ > > Amforth-devel@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/amforth-devel > > > > > -- > > > [image: --] > > John Verne > [image: https://]about.me/jverne > <https://about.me/jverne?promo=email_sig> > > _______________________________________________ > 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
