uart interface issues (fixed)

[Eugene Krasnikov]

What kind of commands did you try to send? I will try the same with my
dongle and update you if that works or not;)

2013/5/2 Oleksij Rempel <linux at rempel-privat.de>:
> Am 02.05.2013 09:15, schrieb Eugene Krasnikov:
>
>> Hi Oleksij,
>>
>> Have you tried remote debugging? Or it's only about garbing logs from
>> the chip. Have you tried to send commands to the chip?
>
>
> Yes, it works. You need this resistors to make chip start with ttl adapter
> attached. Without them this chip may not start.
>
>
>> 2013/5/2 Oleksij Rempel <linux at rempel-privat.de>:
>>>
>>> Am 28.04.2013 16:17, schrieb Oleksij Rempel:
>>>>
>>>>
>>>> Am 28.04.2013 13:38, schrieb Adrian Chadd:
>>>>>
>>>>>
>>>>> .. is it triggering BREAK interrupts or something?
>>>>
>>>>
>>>>
>>>> I don't know, there is no serial output on this stage. JTAG may help if
>>>> the protocol is some how similar to EJTAG. Are there any documentation
>>>> about Xtensa dubug interface ;)?
>>>> I will need to dig in it, but not this week.
>>>>
>>>>
>>>>> That may be something that the boot ROM code interprets as a magical
>>>>> "don't start" sequence or something.
>>>
>>>
>>>
>>> So, this issue is fixed now.
>>>
>>> ttl TX >------[2K]--------o RX pin on AR7010
>>>                       |----[4K pull up]---< 3,3V
>>>
>>> In attachment are pictures from my setup ;)
>>>
>>> --
>>> Regards,
>>> Oleksij
>>
>>
>>
>>
>
>
> --
> Regards,
> Oleksij



-- 
Best regards,
Eugene