[avr-chat] Where is the best place forHI a newbie go to for help with avrdude?

[Nicholas Vradelis]

  HI -

      This forum looks to be above my level, but I don't know where else to go at

      this point.

      I have a mac laptop running macosX 10.4.11, and a Usbtiny programmer.  

      I'm trying to use them to program Atmega328p processors.  I've successfully 

      programmed an Arduino bootloader using the Usbtiny and a Duemilanove board, 

      with the Arduino 0018 IDE.  Therefore I believe that my hardware (up to the 

      Atmegaxx8 target board anyway) is good. 

      I would like to move beyond the Arduino and start programming with gcc and libc.  

      I've installed avr-gcc and built a .hex file of the demo program, but can't get 

      avrdude to write to the chip.  I started with avrdude 5.4, which would recognize the 

      Usbtiny but not the m328p processor (so I tried programming it as an Atmega168, 

      but got an rc= -1 error).

      Then I moved on to avrdude-5.5 which doesn't recognize EITHER the Usbtiny OR

      the Atmega328p.  I then moved on to avrdude-5.10 with exactly the same results.

      I keep seeing references to patch files in the various forums, but never with an

      source or directions.  I looked thru the makefile in the avrdude directory and it

      looks as tho the usbtiny.c file is being included in the build.  The direction pages 

      and manuals all stop at running the configure and just assume everything will be

      fine.  

      Could someone point me to a source for low level information for someone 

      starting from scratch?

                                                  Thanks,

                                                            nav

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