Any "sliceCARDbreadboard" out there?

Technical questions regarding the xTIMEcomposer, xSOFTip Explorer and Programming with XMOS.
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aclassifier
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Any "sliceCARDbreadboard" out there?

Postby aclassifier » Tue Sep 26, 2017 6:28 pm

Does anybody know of a prototyping board that would sort of look like any XMOS sliceCARD with zero components only being a breadboard? Or is there anybody that could produce one such for me?

In short a "sliceCARDbreadboard".

The PCIe connector that XMOS uses is something like [1]. According to XMOS a sliceCARD must be 1.6 mm thick [2]

This board should then have a PCIe male connector at the one end. I am not certain if I would need gold on the contacts, but I guess just copper isn't great either. I haven't specified the size. It doesn't have to be big, I only need the contacts available and will be able to take it from there,

I only need two but could take max ten. XMOS engineers, search the bottom of your drawers.. and mail me!-)

[1] https://www.digikey.com/products/en?keywords=S2783-ND
[2] https://www.xmos.com/download/private/Extending-startKIT-using-the-PCIe-slot-and-sliceCARDs%281.1%29.pdf
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Postby mon2 » Tue Sep 26, 2017 8:19 pm

Hi. Not quite a breadboard but we did the following public designs:

LF1036KB

viewtopic.php?t=5435

LF1037KB

viewtopic.php?f=21&t=5434

If there is a requirement and clear definition of features, can review converting the foundation of these designs to feature a small breadboard.
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Postby aclassifier » Wed Sep 27, 2017 8:54 am

Great! What is the 2017 state of this? If this board exists and is for sale, just as it is, then I'd be ok!

I am going to piggy back the Adafruit ATWINC1500 WiFi Breakout board on it [1], so I need to be able to fasten a 1/10" female connector there, which should be no problem at all.

How do I, in case order and pay? And from where?

[1] https://www.adafruit.com/product/2999
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Postby mon2 » Wed Sep 27, 2017 5:17 pm

Hello. We have stock of both bare PCBs here in Canada. Please share your address details via a private email but we are flexible:

1) consider to source the bare PCB only. $15 USD + shipping should be fine.

2) consider to source the bare PCB and raw parts to assemble on your side. $ 25 USD + shipping should be fine. The raw parts are basically the male pin headers & PCIe edge connector.

Shipping will be by Canada Post and estimating a week or two to get to you. Need to check on shipping costs but can reply in a private email response.

3) Assembled - cost inside the download but will be delayed as I have to travel on business to HK starting this Sunday. Actually will going through Amsterdam on Tuesday for a few hours at the airport. Believe you are in Norway? Perhaps I can drop the PCBs at a local post office inside the airport? Not sure of this detail.

We can accept payment through Paypal and credit cards.

On WIFI tools, have you seen the ESP8266 or the more current ESP32 modules? They are lower cost and using Mongoose OS, you can support MQTT. Still very much learning but using a reliable USB to UART cable (some boards come with this already), you can replace the flash IP with the Mongoose OS and experiment away. Once happy with the results, use with the XMOS using UART IP only. Easier to manage rather than SPI interface.

Adafruit has compliant toolkits for the ESP32 and ESP8266.

https://mongoose-os.com/blog/tag/esp32/

https://mongoose-os.com/

Highly recommend to use one of their approved kits for ESP32 & UART onboard modules to get started. We found that Silabs for example has some code bugs in their silicon. We ended up winning the loser lottery and had the older and defunct datecode ICs. So it was random when we could reflash the IP. Killed many hours of the day before we switched to FTDI USB cable.
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Postby aclassifier » Wed Sep 27, 2017 5:44 pm

Thanks! Will mail you!

About ESP8266, ESP32 and Mongoose OS. No I didn't know about any of those. However, I have already discussed, coded, tested, etc. (bad and good adjectives here) myself from the (1) TI CC3000 module on the XMOS WiFi sliceCARD to the (2) Atmel ATWINC1500 module on that Adafruit board. (In two blog notes: 143, 151, here). I have also ordered the board "Adafruit Feather M0 Basic Proto with ARM" that uses the Arduino IDE and config system. Then I can try to work more in XC on the XMOS boards, which is what I really want to do. XC is here for me, not C or C++ (if I don't have to). That includes not another operating system. As I write in 151: "As an engineer I am concerned that I should end up with a “product”. However, as a retired engineer I will try to enjoy the road even more than I did at work. Therefore I am not after the shortest path, but the most interesting part."

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