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WiFi and USB for pocketbeagle

no wifi - 4 stars ... RTL8188 module and small usb hub with usual suspects

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adding some WiFi over USB to the pocketbeagle I got at MFNY17 :)

Quick googling seems to make FE1.1S a good choice for a controller.

http://referencedesigner.com/blog/designing-low-cost-4-port-usb-hub/2962/

#PiAngle Zero - Not just another Pi Zero USB Hub 

#Yet Another Pi Zero USB Hub

#(One More) Raspberry Pi Zero USB Hub 

#RASPICON: Retro Gaming and Media Center Platform 


WiFi done with RTL8188 module

pocketbeagle_USB_hub+wifi.sch

sch - 852.03 kB - 01/01/2018 at 11:45

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pocketbeagle_USB_hub+wifi.pdf

Adobe Portable Document Format - 41.22 kB - 01/01/2018 at 11:45

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pocketbeagle_USB_hub+wifi.brd

brd - 106.09 kB - 01/01/2018 at 11:45

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  • getting started again for testing

    davedarko08/16/2018 at 09:58 0 comments

    call this on a mac in your browser http://beaglebone.local/ - if you get the beagle page, it works! (connecting over usb that is)

    ssh debian@beaglebone.local 

    with password temppwd (you should change that)


    sudo iwlist wlan0 scan | grep ESSID

    shows you stuff if

    sudo iwconfig

    shows you stuff if

    lsusb

    shows you stuff

  • prototype works (kind of)

    davedarko01/01/2018 at 11:42 0 comments

    My wifi and usb hub for the pocketbeagle kinda works now. Little mistake to fix with a bodge wire. @oshpark boards work fine :) I can scan wifi ssids but have trouble with setting up the connection.

  • Design choices

    davedarko10/07/2017 at 14:19 0 comments

    Seems like there aren't any capacitors needed for the crystal, although it seems unusual coming from every other chip I've used that needed a crystal. I've added 10pF like in #(One More) Raspberry Pi Zero USB Hub but doubt they're necessary. 

    Only one extra USB port has a plug, out of size restrictions etc. - a second one has the RTL8188 directly connected. Therefore only one LED is really necessary for the "connected" status. 

    Added a PRTR5V0U2X as ESD protection for the "external" USB port.

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Discussions

jaromir.sukuba wrote 12/31/2017 at 18:42 point

I see you are searching for reference designs - FE1.1s + USB wifi module combo is used in my #raspberry pi zero handheld computer 

  Are you sure? yes | no

davedarko wrote 12/31/2017 at 21:03 point

I found my mistake already, had one pin pulled low instead of hig ;) works now, but will check against your design later :) thanks

  Are you sure? yes | no

oshpark wrote 10/08/2017 at 14:36 point

@Michael Welling  @Jason Kridner  @Jason Kridner  Is there SDIO on the headers?   @ajlitt and @davedarko are interested

  Are you sure? yes | no

Michael Welling wrote 10/08/2017 at 17:12 point

There is no SDIO broken out on the PocketBeagle except for the microSD card slot.

  Are you sure? yes | no

davedarko wrote 10/08/2017 at 17:46 point

thanks for clearing that up, would have been great for an ESP12-F WiFi pocketcape.

  Are you sure? yes | no

ajlitt wrote 10/06/2017 at 22:42 point

I haven't looked, but did they bring out SDIO on any of the cape?  It would be a shame to waste the only USB host on networking like some other low cost SBC.

  Are you sure? yes | no

davedarko wrote 10/07/2017 at 01:33 point

I'm working in an USB Hub chip (FE1.1S) as well, not sure about sdio, can't see it on http://www.14core.com/pocketbeagle-mini-computer/ but maybe Drew @oshpark  can say more? You're probably talking about doing the same like on #RPi WiFi ?

  Are you sure? yes | no

ajlitt wrote 10/07/2017 at 04:55 point

You read my mind...

I spent a few minutes looking at the pinout and the AM335x datasheet, and it doesn't look like MMC0-2 are represented as alt functions on any of them.  Kind of a shame, since the AM335x SoC has 3 SDIO interfaces.

  Are you sure? yes | no

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