[Tinkerphones] New tinkerphone gadgets in Goldelico shop?

[H. Nikolaus Schaller]

Hi Marek,

> Am 13.11.2017 um 11:45 schrieb Belisko Marek <marek.belisko at gmail.com>:
> 
> On Mon, Nov 13, 2017 at 11:42 AM, Belisko Marek <marek.belisko at gmail.com> wrote:
>> Hi,
>> 
>> On Mon, Nov 13, 2017 at 8:33 AM, H. Nikolaus Schaller <hns at goldelico.com> wrote:
>>> Hi all,
>>> 
>>>> Am 04.11.2017 um 22:17 schrieb Niels <nift at maclisp.org>:
>>>> 
>>>> "H. Nikolaus Schaller" <hns at goldelico.com> writes:
>>>> 
>>>>> Hi Paul,
>>>>> 
>>>>>> Am 03.11.2017 um 13:06 schrieb Paul Boddie <paul at boddie.org.uk>:
>>>>>> 
>>>>>> On Friday 3. November 2017 10.54.44 H. Nikolaus Schaller wrote:
>>>>>>>> Am 03.11.2017 um 10:32 schrieb Thomas Munker <t.munker at gmx.net>:
>>>>>>>> 
>>>>>>>> i would like to see some small cryptographic hardware, like eg. yubikey.
>>>>>>>> At best easy interfaceable to gta02/gta04 or with necessary interface
>>>>>>>> hardware
>>>>>>> 
>>>>>>> I have checked what they have:
>>>>>>> 
>>>>>>> https://www.yubico.com/product/yubikey-4-series/
>>>>>>> <https://www.yubico.com/product/yubikey-4-series/>
>>>>>>> 
>>>>>>> It seems they offer USB-A and USB-C. So neither Mini nor Micro-USB. So it
>>>>>>> needs a proper adapter.
>>>>>> 
>>>>>> There is an article on LWN.net about these devices and others:
>>>>>> 
>>>>>> https://lwn.net/Articles/736231/
>>>>>> 
>>>>>> It covers the Yubikey NEO and Yubikey 4 plus the Nitrokey Pro and FST-01.
>>>>> 
>>>>> Interesting reading!
>>>>> 
>>>>> To me it looks as if it would best fit our community to simply build
>>>>> enough FST-01 units, so that they are not out of stock...
>>>>> 
>>>>> Everything is said to be free and open, even if the device isn't the fastest one:
>>>>> 
>>>>> https://github.com/vinaebizs/fst-01
>>>>> https://raw.githubusercontent.com/SeeedDocument/FST-01/master/img/Fst-01-schematic.png
>>>>> 
>>>>> So it looks not very difficult to have them produced and stocked by us at
>>>>> a reasonable price.
>>> 
>>>> 
>>>> I agree.
>>>> 
>>>> I have been wanting a FST-01 for a while, but not found any place to
>>>> buy one.
>>> 
>>> I have studied the schematics and it will take less than 1 day to prepare for
>>> producing some clone...
>>> 
>>> Cost is also reasonable, e.g. something below 30€ seems feasible for tiny
>>> quantities (if produced in batches of 10). So it is possible to provide
>>> permanent supply.
>>> 
>>> What I understood is that it needs some flashing tool to be connected to
>>> a jumper. Maybe someone can elaborate this.
>>> 
>>> One thing is to be discussed about the USB interface:
>>> 
>>> Should we keep the USB-A plug or try to replace it by an Mini-USB-A so that
>>> it can be directly plugged into a GTA0x?
>>> 
>>> Or even 3 variants with Standard-USB, MiniUSB and µUSB? Or does someone have
>>> an idea if multiple sockets are feasible?
>>> 
>>> USB-C makes no sense IMHO, because then a much faster processor with USB3 speed
>>> should be used... This would be a completely different project.
>>> 
>>> So what can be the next steps?
>>> * I await your comments and comments about being interested
>>> * maybe someone should take care about the programming procedures
>> I have experience with programming stm32 (there exists stm32uart
>> utility which can burn SW) but in this case I'm unsure.
>> Does stm32 boot from external spi flash or external spi flash is used
>> for something else?
> In meantime I found that it's possible via ST-link only:
> http://wiki.seeed.cc/FST-01/
> also here: http://www.gniibe.org/memo/development/fst-01/dongle/fst-01-swd-connection.html
> so if we do new design maybe would be good to add for user possibility
> to update FW.

Nice finding!

Well, this would mean that we have to clone the ST-link device (where I have not
yet an idea what is inside) and add another USB socket.

But there seem to be clones:

https://www.gearbest.com/development-boards/pp_62989.html?currency=EUR&vip=2275155&gclid=CjwKCAiAoqXQBRA8EiwAIIOWstP9pf8EWlN1SaHyGVUZzDDjkmMVt329W6Misb_BTv_HxOqSr28UMxoCQ_8QAvD_BwE

Hm. Well, the ST-Link device is another Microcontroller with built-in firmware.
So how do we flash that :)

BR,
Nikolaus