Reply To: Which hex file for a blank atmega644 ?

[Radostin]

Mine OS2.2 is working ok with ISP and it’s alive,the problem is I can’t update/reinstall firmware from usb only,bcs of missing optiboot bootloader!!!I’m using 644p atmega.

here is the log file generated from the unit:

C:\WinAVR-20100110\bin>avrdude -c usbtiny -p m644p -B 1 -v

avrdude: Version 5.10, compiled on Jan 19 2010 at 10:45:23
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2009 Joerg Wunsch

         System wide configuration file is "C:\WinAVR-20100110\bin\avrdude.conf"

         Using Port                    : lpt1
         Using Programmer              : usbtiny
         Setting bit clk period        : 1.0
         AVR Part                      : ATMEGA644P
         Chip Erase delay              : 9000 us
         PAGEL                         : PD7
         BS2                           : PA0
         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  Max
W   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ---
-- ---------
           eeprom        65    10   128    0 no       2048    8      0  9000  90
00 0xff 0xff
           flash         33     6   256    0 yes     65536  256    256  4500  45
00 0xff 0xff
           lock           0     0     0    0 no          1    0      0  9000  90
00 0x00 0x00
           lfuse          0     0     0    0 no          1    0      0  9000  90
00 0x00 0x00
           hfuse          0     0     0    0 no          1    0      0  9000  90
00 0x00 0x00
           efuse          0     0     0    0 no          1    0      0  9000  90
00 0x00 0x00
           signature      0     0     0    0 no          3    0      0     0
 0 0x00 0x00
           calibration    0     0     0    0 no          1    0      0     0
 0 0x00 0x00

         Programmer Type : USBtiny
         Description     : USBtiny simple USB programmer, http://www.ladyada.net
/make/usbtinyisp/
avrdude: programmer operation not supported

avrdude: Setting SCK period to 1 usec
avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.02s

avrdude: Device signature = 0x1e960a
avrdude: safemode: lfuse reads as FF
avrdude: safemode: hfuse reads as D6
avrdude: safemode: efuse reads as FF

avrdude: safemode: lfuse reads as FF
avrdude: safemode: hfuse reads as D6
avrdude: safemode: efuse reads as FF
avrdude: safemode: Fuses OK

avrdude done.  Thank you.