Re: timeouts on USB ISP programmer

There are also reports of DIAMEX devices not working on linux (in German):
	https://www.mikrocontroller.net/topic/508937 <https://www.mikrocontroller.net/topic/508937>
I should better try to get an original ATmel tool.
Unfortunately they no longer produce simple programmers.

A

> Am 10.04.2022 um 12:37 schrieb Axel Rau <Axel.Rau@chaos1.de>:
> 
> 
> 
>> Am 09.04.2022 um 01:39 schrieb Tomek CEDRO <tomek@cedro.info <mailto:tomek@cedro.info>>:
>> 
>> 
>> Long story short:
>> * Put both dip-switches to OFF if you use external board (no VCC
>> connection required). They may stay ON if you program "bare" AVR (you
>> need to connect VCC, SW1=ON, SW2 OFF=3.3V ON=5V).
> My switches are always on; my MCU is in the ZIFF socket. (-:
>> * Try `avrdude -c stk500v2 -p 85 -vvv -t` and see of that connects to
>> Programmer.
> That’s what I did.
> 
>> * If programmer is connected but AVR communication problems you may
>> slow down the STK500v2 bit clock with `-B` parameter or ISP clock with
>> `-i` according to [4] (i.e. `-B 250` will result in 4kHz bit clock).
>> 
>> Good luck and let us know if that works :-)
> 
> 
> root@home2l:/ #	avrdude -c stk500v2 -p t85 -P /dev/cuau1 -t -vvv -B 250 -i 90
> . . .
> avrdude: Version 6.4
>          Copyright (c) Brian Dean, http://www.bdmicro.com/ <http://www.bdmicro.com/>
>          Copyright (c) Joerg Wunsch
> 
>          System wide configuration file is "/usr/local/etc/avrdude.conf"
>          User configuration file is "/root/.avrduderc"
>          User configuration file does not exist or is not a regular file, skipping
> 
>          Using Port                    : /dev/cuau1
>          Using Programmer              : stk500v2
>          Setting bit clk period        : 250.0
>          Setting isp clock delay        :  90
> avrdude: ser_recv(): programmer is not responding
> avrdude: stk500v2_ReceiveMessage(): timeout
> avrdude: ser_recv(): programmer is not responding
> avrdude: stk500v2_ReceiveMessage(): timeout
> avrdude: ser_recv(): programmer is not responding
> avrdude: stk500v2_ReceiveMessage(): timeout
> 
> I think, the DIAMEX is defective, I try to get another one.
> Perhaps the drivers are gone.
> 
> How can I verify this?
> ---
> PGP-Key: CDE74120  ☀  computing @ chaos claudius
> 

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PGP-Key: CDE74120  ☀  computing @ chaos claudius