Hacking Build your own dongle (Research and development thread)

sweetlilmre · Jul 4, 2018

ben nahalewski said:
Would a tplink mr3020 be possible to use as a dongle with openwrt?

Don't see why not: https://wiki.openwrt.org/toh/tp-link/tl-mr3020

-(e)

Porkypigs · Jul 4, 2018

You can use any arduino m0 to deliver payload as it has usb host capabilities

tecfreak · Jul 4, 2018

Porkypigs said:
You can use any arduino m0 to deliver payload as it has usb host capabilities

Not every Cortex M0 MCU has usb host support.

Porkypigs · Jul 5, 2018

tecfreak said:
Not every Cortex M0 MCU has usb host support.

https://www.adafruit.com/product/3500

This one does, probably the cheapest one out there too

tecfreak · Jul 5, 2018

Porkypigs said:
https://www.adafruit.com/product/3500

This one does, probably the cheapest one out there too

^^

https://gbatemp.net/threads/trinket-m0-sx-loader.508068/

yyoossk · Jul 5, 2018

https://twitter.com/Cloud0835/status/1014855697945640963

Spy Pirate Shado · Jul 6, 2018

Trying to keep this short, does anyone have any tips on what exactly to make OpenWRT on a portable powerbank+router run that will automatically send a payload during boot to a connected APX usb host?

I have gotten raspbian to send a payload "automatically" using watch but I stopped with that after thinking there's no way people are setting these super small routers to do something like that to run forever during boot and calling it a day.

I'm hoping in the end that I can set something up with my router+powerbank that runs something during boot to function as fusee delivery but despite that functions fine as a portable hotspot with openWRT.

sweetlilmre · Jul 8, 2018

@Retr0id I found a TP-Link TL-WR703N lying in a cupboard and used your instructions to build a LEDE image for it.
After flashing and connecting the switch I get messages like this (similar to other users):

Code:

usb 1-1: new high-speed USB device number 14 using ehci-platform
usb 1-1: device descriptor read/64, error -145
usb 1-1: device descriptor read/64, error -71
usb 1-1: new high-speed USB device number 15 using ehci-platform
usb 1-1: device descriptor read/64, error -145
usb 1-1: device descriptor read/64, error -71
usb usb1-port1: attempt power cycle
usb 1-1: new high-speed USB device number 16 using ehci-platform
usb 1-1: device not accepting address 16, error -71
usb 1-1: new high-speed USB device number 17 using ehci-platform
usb 1-1: device not accepting address 17, error -71
usb usb1-port1: unable to enumerate USB device

Plugging in USB stick does not generate these errors, just this:

Code:

usb 1-1: new high-speed USB device number 18 using ehci-platform

Any suggestions?

Thanks
-(e)

Wierd_w · Jul 9, 2018

sweetlilmre said:
@Retr0id I found a TP-Link TL-WR703N lying in a cupboard and used your instructions to build a LEDE image for it.
After flashing and connecting the switch I get messages like this (similar to other users):

Code:

usb 1-1: new high-speed USB device number 14 using ehci-platform usb 1-1: device descriptor read/64, error -145 usb 1-1: device descriptor read/64, error -71 usb 1-1: new high-speed USB device number 15 using ehci-platform usb 1-1: device descriptor read/64, error -145 usb 1-1: device descriptor read/64, error -71 usb usb1-port1: attempt power cycle usb 1-1: new high-speed USB device number 16 using ehci-platform usb 1-1: device not accepting address 16, error -71 usb 1-1: new high-speed USB device number 17 using ehci-platform usb 1-1: device not accepting address 17, error -71 usb usb1-port1: unable to enumerate USB device

Plugging in USB stick does not generate these errors, just this:

Code:

usb 1-1: new high-speed USB device number 18 using ehci-platform

Any suggestions?

Thanks
-(e)

Did you enable the ehci patch? Without the patch, the driver throws an error if a large control frame is passed.

sweetlilmre · Jul 9, 2018

Wierd_w said:
Did you enable the ehci patch? Without the patch, the driver throws an error if a large control frame is passed.

I thought the patch was automatically enabled? Do I have to enable it in kernel options or something?

-(e)

BL4Z3D247 · Jul 9, 2018

stewacide said:
I've used my Zsun so much it's nuts. As an SD reader. As a wifi extender (in hotels with poor wifi). As a portable media NAS (great for travel with an iPhone/iPad with limited storage). As a photo backup device... The thing is endlessly versatile, and that's all on the stock firmware.

I really want another incase mine breaks, but Gearbest, Banggood, etc. are sold out.

eBay has them for a few dollars more.

https://m.ebay.com/sch/i.html?_from...084.l1313.TR1.TRC0.A0.H0.Xzsun.TRS0&_nkw=zsun

bajul · Jul 10, 2018

How to flash sx payload to zsun wifi?

stewacide · Jul 10, 2018

bajul said:
How to flash sx payload to zsun wifi?

Wouldn't be possible as no way to power it.

RazorX2014 · Jul 11, 2018

for anyone who wants to know, the 2 super capacitors used in the sx pro dongle are:
KAMCAP 2.7V 0.35F Farad Super Capacitor Ultra Capacitor

RazorX2014 · Jul 11, 2018

is anyone planning on writing up an easy to follow guide for flashing the zsun or is there already one out there?
or was it decided this wasn't the way to go.

Akira · Jul 11, 2018

It seems the one with built in battery’s price went up. It was $10 previously in aliexpress(4days ago), now it’s $19.

xyqkent · Jul 12, 2018

I have a problem with my Hame A1, cpu model is RT53050F.
Compile the openwrt of DavidBuchanan314/fusee-lede and write it to my router.
github->DavidBuchanan314/fusee-lede

Then run /usr/bin/fusee-nano /usr/share/fusee-nano/payload.bin to crack my switch.But failed.
Information：
[Debug]payload_idx:0,low_buffer:1
[Debug]payload_idx:4096,low_buffer:0
[Debug]payload_idx:8192,low_buffer:1
[Debug]payload_idx:12288,low_buffer:0
[Debug]payload_idx:16384,low_buffer:1
[Debug]payload_idx:20480,low_buffer:0
[Debug]payload_idx:24576,low_buffer:1
[Debug]payload_idx:28672,low_buffer:0
[Debug]payload_idx:32768,low_buffer:1
[Debug]payload_idx:36864,low_buffer:0
[Debug]payload_idx:40960,low_buffer:1
[Debug]payload_idx:45056,low_buffer:0
[Debug]payload_idx:49152,low_buffer:1
[Debug]payload_idx:53248,low_buffer:0
[Debug]payload_idx:57344,low_buffer:1
[Debug]payload_idx:61440,low_buffer:0
[-] Sending payload failed: Operation timed out

Check the source code and find that the error comes from usb.c->ep_write->return IOCTL (FD, USBDEVFS_BULK, &bulkt).
It return -1

And check the source code(ehci_hcd.c), The 862nd line has been deleted.
------------------------------------------------------------
- case PIPE_CONTROL:
- /* qh_completions() code doesn't handle all the fault cases
- * in multi-TD control transfers. Even 1KB is rare anyway.
- */
- if (urb->transfer_buffer_length > (16 * 1024))
- return -EMSGSIZE;
- /* FALLTHROUGH */
- /* case PIPE_BULK: */
-------------------------------------------------------------

Who knows what's the problem? Is there a way to solve it? Thanks alot.

Wierd_w · Jul 12, 2018

I have finally gotten around to updating the first post of this thread to better reflect the current status of this area of work. I will update it again with direct links to projects and posts later.

methamz · Jul 12, 2018

Where can I buy Trinket M0? Couldnt find it on Aliexpress

Wierd_w · Jul 12, 2018

ahamza61 said:
Where can I buy Trinket M0? Couldnt find it on Aliexpress

Adafruit.

https://www.adafruit.com/product/3500 <-- Trinket M0
https://www.adafruit.com/product/2796 <-- Feather M0

Feather has built in lipo charge circuit and pals. Trinket is no-nonsense bare micro with through hole solder points and a micro USB connector for programming/project use.

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