On Sat, 31 Dec 2011 12:37:05 -0500 John Tucker <ja...@verizon.net> wrote:
> > I'm relatively new to micro programming. Friend of mine is more > experienced > and we're trying to determine differences we're experiencing with > some loops on his Mega8 vs my 328P and, yes, we've been through the > -O options to avr-gcc. :) > > In chasing down some items I used Avrdude to check fuses. However the > results > seem not to be plausible. Following is my command line and thereafter > the result of that command. Where am I making my mistake in usage? > > avrdude -v -v -c arduino -P /dev/ttyACM0 -p m328p -F -U lfuse:r:-:h Your using a serial boot loader that does not have access to the fuses, to get the real fuses you should use the ISP interface. Steve > > avrdude: Version 5.10, compiled on May 24 2011 at 21:10:31 > Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ > Copyright (c) 2007-2009 Joerg Wunsch > > System wide configuration file is > "/usr/local/etc/avrdude.conf" > User configuration file is "/home/knoppix/.avrduderc" > User configuration file does not exist or is not a regular > file, skipping > > Using Port : /dev/ttyACM0 > Using Programmer : arduino > AVR Part : ATMEGA328P > Chip Erase delay : 9000 us > PAGEL : PD7 > BS2 : PC2 > RESET disposition : dedicated > RETRY pulse : SCK > serial program mode : yes > parallel program mode : yes > Timeout : 200 > StabDelay : 100 > CmdexeDelay : 25 > SyncLoops : 32 > ByteDelay : 0 > PollIndex : 3 > PollValue : 0x53 > Memory Detail : > > Block Poll > Page Polled > Memory Type Mode Delay Size Indx Paged Size Size > #Pages MinW MaxW ReadBack > ----------- ---- ----- ----- ---- ------ ------ ---- > ------ ----- ----- --------- > eeprom 65 5 4 0 no 1024 4 > 0 3600 3600 0xff 0xff > flash 65 6 128 0 yes 32768 128 > 256 4500 4500 0xff 0xff > lfuse 0 0 0 0 no 1 0 > 0 4500 4500 0x00 0x00 > hfuse 0 0 0 0 no 1 0 > 0 4500 4500 0x00 0x00 > efuse 0 0 0 0 no 1 0 > 0 4500 4500 0x00 0x00 > lock 0 0 0 0 no 1 0 > 0 4500 4500 0x00 0x00 > calibration 0 0 0 0 no 1 0 > 0 0 0 0x00 0x00 > signature 0 0 0 0 no 3 0 > 0 0 0 0x00 0x00 > > Programmer Type : Arduino > Description : Arduino > Hardware Version: 3 > Firmware Version: 3.3 > Vtarget : 0.3 V > Varef : 0.3 V > Oscillator : 28.800 kHz > SCK period : 3.3 us > > avrdude: AVR device initialized and ready to accept instructions > > Reading | ################################################## | 100% > 0.00s > > avrdude: Device signature = 0x1e950f > avrdude: safemode: lfuse reads as 0 > avrdude: safemode: hfuse reads as 0 > avrdude: safemode: efuse reads as 0 > avrdude: reading lfuse memory: > > Reading | ################################################## | 100% > 0.00s > > avrdude: writing output file "<stdout>" > 0x0 > > avrdude: safemode: lfuse reads as 0 > avrdude: safemode: hfuse reads as 0 > avrdude: safemode: efuse reads as 0 > avrdude: safemode: Fuses OK > > avrdude done. Thank you. > > TIA > > John (Jack) Tucker > ja...@verizon.net > > > _______________________________________________ > AVR-GCC-list mailing list > AVR-GCC-list@nongnu.org > https://lists.nongnu.org/mailman/listinfo/avr-gcc-list _______________________________________________ AVR-GCC-list mailing list AVR-GCC-list@nongnu.org https://lists.nongnu.org/mailman/listinfo/avr-gcc-list
