UART/TTL/JTAG/serial?

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imWACCo
DD-WRT Novice


Joined: 07 Jun 2016
Posts: 22

PostPosted: Thu Apr 16, 2020 14:48    Post subject: UART/TTL/JTAG/serial? Reply with quote
It's been over 8 years sense I've UART/TTL/JTAG/serial into anything.Is there a recommended reading list*... or a how-to?

I'll be doing this with Linux, but I could load Win7/10 (if I have to Crying or Very sad ) I know that each one is slightly different, but I'm looking for an overview to get started.

I have 8 different, that I got for free. I think most are bricked, but may be dead.

Linksys:
    EA3500
    EA6350 (v1&v2)
    EA6900
    WRE54G
    WRT3200ACM

Netgear:
    WNDR3700
    WNDR4600

D-Link:
    DIR826L





*Google is <blink>not</blink> my friend
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kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 5705
Location: Texas, USA

PostPosted: Thu Apr 16, 2020 15:17    Post subject: Reply with quote
Gee, give me 5-7 business days to write a how-to. Google minicom and whatever Linux distribution you are using. You may have to run it via sudo, but it works. Google the device model and serial recovery. If any of them have a dd-wrt wiki, there may be info there (Google device model dd-wrt wiki). Also, Google "dd-wrt serial recovery", and that will also point you to the main serial wiki.

JTAG is another beast altogether and would likely require Windows, unless you can find a Linux binary somewhere on the internet (I have never looked). One of mine is on NT4, the other on XP.

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imWACCo
DD-WRT Novice


Joined: 07 Jun 2016
Posts: 22

PostPosted: Thu Apr 16, 2020 15:43    Post subject: Reply with quote
@kernel-panic69

Thanks for the terminology. I was just throwing word-salad to find something.

Looks like a full day of reading for me

\o/ beating the COVID blues \o/
egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 5541
Location: Netherlands

PostPosted: Thu Apr 16, 2020 16:02    Post subject: Reply with quote
In the guides is information:
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399

In the last thread in the second post is a debricking guide

Attached my notes

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Routers:Netgear R7800, Netgear R6400v1, Netgear R6400v2, Linksys EA6900 (XvortexCFE), Linksys E2000 (converted WRT320N), WRT54GS v1.
Install guide Linksys EA6900: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=291230
OpenVPN Policy Based Routing guide: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=321686
Install guide R6400v2:http://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
OpenVPN Server Setup:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=318795
Install guide R7800: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Wireguard server setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1183135
Wireguard client setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324624
Wireguard Advanced setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324787
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