[Arm-dev] pcDuino Nano lite
Robert Moskowitz
rgm at htt-consult.com
Mon Jan 4 16:25:40 UTC 2016
Fixing the subject line...
On 01/04/2016 11:03 AM, Troy Dawson wrote:
>
>
> On Mon, Jan 4, 2016 at 8:26 AM, Robert Moskowitz <rgm at htt-consult.com
> <mailto:rgm at htt-consult.com>> wrote:
>
> Got my Nano Lite running Fedora23 which is the first step before
> testing with Centos7. On caveat, see below:
>
> On 12/25/2015 01:58 PM, Troy Dawson wrote:
>>
>>
>> On Fri, Dec 25, 2015 at 11:31 AM, Robert Moskowitz
>> <rgm at htt-consult.com <mailto:rgm at htt-consult.com>> wrote:
>>
>>
>>
>> On 12/25/2015 11:18 AM, Troy Dawson wrote:
>>> Hi,
>>> Have you looked at the pcduino3 nano lite.
>>> $15 and it looks like it meets all your specs.
>>>
>>> http://www.amazon.com/pcDuino-pcDuino3-Nano-Lite/dp/B00ZEPZGQO/ref=sr_1_1?ie=UTF8&qid=1451059734&sr=8-1&keywords=pcduino3+nano+lite
>>>
>>> It has everything in the kernel and uboot and works with
>>> Fedora 23 with no modifications.
>>> I've got Yor Linux armv7 build working on it, so I'm quite
>>> certain it will work with CentOS arm build, but I have not
>>> tested it.
>>>
>>> There are two downsides to this board.
>>> 1 - the sata (and power cable) are sold separately
>>
>> Ah, I see it does have a sata port. I missed that the first
>> time.
>>
>> And it looks like it has the 5V power out that will hopefully
>> power any HD up to 1A.
>>
>> If it uses the same uboot as the pcduino 3 nano, then I can
>> take the Cubietruck image and dd the appropriate uboot and boot.
>>
>> Have you tested it? The big test is to only have uboot on a
>> 4Gb mSD and the whole image on the Sata HD and see if it
>> switches over like the Cubieboard does. Otherwise there is a
>> lot of customization needed.
>>
>>
>> Yes, I've tested it. It used the same uboot and kernel dtd as
>> the pcduino 3 nano.
>> I have a couple of the pcduino 3 nano machines and ordered a
>> couple of the lite's, so I've used both. I used the nano uboot
>> on the lite and it worked with no modifications. I also did
>> nothing with the kernel and it worked great.
>>
>>
>> I am assuming those 3 posts off to the side are for the
>> serial console. Nice that they put it off to the side. But
>> that would mess up a case somewhat.
>>
>
> I cannot get the serial console working. I have follow the
> schematic at:
>
> http://learn.linksprite.com/pcduino/quick-start/pcduino8/explanation-of-headers-of-pcduino3-nano/
>
> To connect a USB/TTL adapter and run (as I do for my Cubieboards)
>
> screen /dev/ttyUSB0 115200
>
> And nothing. So I really want to have this working to bring up C7
> on it for testing.
>
>
>
>
> I don't have an adaptor for the serial ports, so I've just been using
> the hdmi, which works great. But I guess then you have to hook up a
> hdmi and usb keyboard, which might make things harder, depending on
> your setup.
I also have connected that way, but it is a pain not being able to
cut-n-paste from notes on how to configure C7. I can ssh in, but with
the console I know I can get away with a lot. Plus I can save the
console session and review it for problems. A lot of items I have
detected through the console session logs.
You can get the converters really cheap on ebay. Every board I have has
one permanently installed, so I can always get into the console. I buy
them in a 5 unit lot from a china supplier at $5 for the lot.
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