Re: [Amforth-devel] Amforth(9600), ZTerm(19200) why?

[avr f. <avr...@gm...>]

http://dev.emcelettronica.com/why-avrs-eeprom-will-be-erased-randomly

I think I will explain my problem with this article and move on. =/


On Mon, Jun 23, 2008 at 12:15 AM, avr feedback <avr...@gm...> wrote:
> Ok. First. Thanks for your reply.
>
> On Sun, Jun 22, 2008 at 10:31 PM, Matthias Trute <mt...@we...> wrote:
>> btw: do you have a more usual name?
>
> Mat
>
>> > 1. Why is my Arduino losing memory after turning it off.
>> Well, RAM contents is usually lost when the power goes off ;=)
>
> ok, What I was trying to say was. It does not answer my usb-serial
> connection after some disconnects and reconnects. :>
> It always works after a fresh upload.
>
>> >  It could also be
>> > that the internal state is damage.
>> What do you mean with "internal state"? There are a few candidates
>> for this label.
>
> After power it off and on, 4-5 times strange things happens.
> After a while. Some garbage character appear. Then some more
> characters. Usually after a power cycle, trying to bring it back to
> known state. Then I lose it totally. So my coding session always ends
> with uploading amforth again. Which is a pain. My wish was to never
> have to upload amforth again. I can replicate this problem. It always
> appear when I connect and disconnect with minicom ~4-5 times.
> The garbage characters reminds me of the garbage I saw when I first
> had the wrong baud rate.
>
>> > When I try to connect second time. It's not answering or garbage appear in
>> > the terminal. I'm using default fuses. With baudrate 9600.
>> What default fuses? Atmel factory defaults or arduino default?
>
> This is working acceptable, but breaks after reconnecting with mincom
> (or ZTerm) ~
> 4-5. Like described.
> LFUSE=0x5f HFUSE=0xdf EFUSE=0xf9
>
>> If Atmel default, try setting the fuses to maximize the frequency
>> since 1MHz with the internal oszillator is usually non-working
>> setup. If arduino defaults please let us know what they are.
>
> I'm trying atmel defaults. I lost my arduino defaults.
>
> (What does "Start up time PWRDN/RESET 64K CK/ 14 CK + 4,1 ms" mean?
> This is kind of cryptic to me.)
>
>>
>> My Atmega168 works fine, but is not part of an arduino ...
>>
>> br
>> Matthias
>
> Are you using usb? I'm starting to think it is the usb-serial driver I
> installed initially.
> I hope everyone have patience with my knowledge level.(*noob*) =/
>
> /Mat
>