Re: [Amforth] Issues with a word compile - flash or eeprom write issues

[Jan K. <kro...@ho...>]

Thanks Paulo,

Could sommething going wrong with the burner?
Can you give me a hint how to do this on the OSX.
I have not yet the experiance. 

Cheers,

Jan kromhout
Sacharovlaan 3
3223HM Hellevoetsluis-NL

Op 6 mei 2012 om 22:27 heeft Paulo Ferreira <pa...@ke...> het volgende geschreven:

> 
> On 2012/05/06, at 20:00, Erich Waelde wrote:
> 
>> Hello,
>> 
>> On 05/06/2012 08:12 PM, Jan Kromhout wrote:
>>> 
>>> If I understand correctly the best is to buy some bare 328p chips,
>>> and flash them without tatching the lock bits.
>> 
>> If fuses and "lock bits" refer to the same thing, then
>> no: "bare chips" and arduino boards are different things.
>> I personally use the following settings on arduino "duemilanove" 
>> and "uno" boards
>> 
>> MCU=atmega328p
>> # set the fuses according to your MCU
>> LFUSE=0xFF
>> HFUSE=0xD9
>> # some MCU have this one, see write-fuses target below
>> EFUSE=0x05
>> 
>> The bare chips will run on the internal RC oszillator at 1 (or 
>> 8?) MHz, they will ignore the attached crystal, unless you 
>> correct the fuse bits.
>> 
>> 
>> There is a "readme.txt" file in the directory appl/arduino with 
>> more information on arduinos.
>> 
>> And just to make sure: you are aware, that flashing amforth to 
>> an arduino board does remove the arduino bootloader, are you?
>> 
>> 
>> Cheers,
>> Erich
>> 
> 
> Yes, those settings work ok with an Arduino Duemilanove (atmega328p). 
> 
> Here are  the command lines for Unix ( in my case OSX) and an usbtiny programmer: 
> 
> ===============================================================================
> avrdude -c usbtiny -p m328p -e -U flash:w:duemilanove.hex:i -U eeprom:w:duemilanove.eep.hex:i
> 
> avrdude -c usbtiny -p m328p -U 'lfuse:w:0xFF:m'
> avrdude -c usbtiny -p m328p -U 'hfuse:w:0xD9:m'
> avrdude -c usbtiny -p m328p -U 'efuse:w:0x05:m'
> 
> ===========================================================
> 
> Tested with three different arduinos!   ( just in case... )
> 
> 
> My best regards 
> Paulo Ferreira 
> 
> 
> 
> 
> 
> 
> 
> 
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