Flashing Bullet M2 with DD-WRT

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PostPosted: Mon Jun 04, 2012 14:08    Post subject: Reply with quote
SV5FRZ wrote:
Hopefully my video will help in that process.

Let me know how I can get a serial log for you and I'll get it
ill be willing to help too, i have build jtag cables in the past to fix some wrt54g's, so maybe building a serial cable is not that hard, maybe Smile, if someone points me to the right direction i can hel for sure, ....
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Sash
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PostPosted: Mon Jun 04, 2012 17:39    Post subject: Reply with quote
a serial lpg of flashing and booting ddwrt would help a lot
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PostPosted: Mon Jun 04, 2012 20:55    Post subject: Reply with quote
sure, so how do i make a serial log?
LOM
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PostPosted: Tue Jun 05, 2012 4:55    Post subject: Reply with quote
abispac wrote:
sure, so how do i make a serial log?


Open the loco m2, find the serial port which either is 4 or 5 solder holes filled with solder or is a pin header connector.
Of these you need to connect ground, tx, and rx - the remaining pin(s) is 3.3 volt and sometimes a 5th unused pin.
You need a multimeter to identify which pin is ground and which is 3.3 volt if not marked on the circuit board.
tx and rx will be the remaining ones in a 4 hole/pin connector.

Connect the routers serial port to your computers serial port through a RS232<->TTL 3.3 volt level shifter (routers serial port is 3.3 volt, don't connect without level shifter because RS-232 is up to 12 volt ).

You can also use a USB<-> TTL 3.3V cable, mobile phone cables like Nokia DKU-5 or CA-42 can be had for $3-4 from Ebay or Amazon.
The windows driver included on the CD you get will create virtual serial ports in windows.

Use a terminal program like puTTY to communicate serially with the router.

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PostPosted: Tue Jun 05, 2012 23:18    Post subject: Reply with quote
Sorry i would not be able to helpas i cant get that serial cable , hope someone ealse can help us...perhapps SASH, wich stated that has several ubiquiti products working properly. Can you sash? please.
SV5FRZ
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Joined: 01 Jun 2012
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PostPosted: Wed Jun 06, 2012 5:54    Post subject: Reply with quote
I've read online about these serial cables, not that hard to make one really.

Unfortunately my customer needed his Bullet M2 to work NOW, so I had to go back and install it yesterday. I got it working with OpenWRT for the time being, but I'm out of UBNT devices for testing now...

I created a virtual wireless client in its own network called WWAN. Then I created another virtual wireless in AP mode, this one is in the LAN network next to the eth0. And it just works, it connects to the DLink's ESSID with WPA2-PSK AES, and it broadcasts its own ESSID with different name and passphrase.

Thanks for all your help so far guys, I wish I still had the device here so we could make it work.




Joined: 01 Jan 1970
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PostPosted: Wed Jun 06, 2012 13:49    Post subject: Reply with quote
SV5FRZ wrote:
I've read online about these serial cables, not that hard to make one really.

Unfortunately my customer needed his Bullet M2 to work NOW, so I had to go back and install it yesterday. I got it working with OpenWRT for the time being, but I'm out of UBNT devices for testing now...

I created a virtual wireless client in its own network called WWAN. Then I created another virtual wireless in AP mode, this one is in the LAN network next to the eth0. And it just works, it connects to the DLink's ESSID with WPA2-PSK AES, and it broadcasts its own ESSID with different name and passphrase.

Thanks for all your help so far guys, I wish I still had the device here so we could make it work.


They look so much like the ones for nextel but they are nokia so i cant seem to find one here locally, so DDWRT mods, maybe you should warn ubquiti users users not to update to airos5.5 if not necesary.
Sash
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PostPosted: Wed Jun 06, 2012 14:48    Post subject: Reply with quote
Code:
dmesg


from latest airos or openwrt?!

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SV5FRZ
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PostPosted: Wed Jun 06, 2012 14:53    Post subject: Reply with quote
Sash wrote:
Code:
dmesg

from latest airos or openwrt?!


I think he means:
"Do not upgrade your UBNT device to later than 5.3.x if you want to be able to install DD-WRT on it because starting with AirOS 5.5 the bootloader changes permanently."
SV5FRZ
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PostPosted: Fri Jun 08, 2012 6:49    Post subject: Reply with quote
Is:

06-06-12-r19327

the answer to this problem?
chris
Site Admin


Joined: 06 Jun 2006
Posts: 101
Location: Germany, Bensheim

PostPosted: Tue Jun 12, 2012 11:47    Post subject: Reply with quote
Hi,

i updated a locoM2 to airos 5.5 and flashed dd-wrt from the gui and also over tftp without issues.

The builds need to be greater than 17592, since that was the change we made to the version number that is in the header (ubnt firmwares refused to flash firmwares with no version information).

http://svn.dd-wrt.com:8000/changeset/17592

The bootloader of my locoM2 was not changed, it reamains as:
U-Boot 1.1.4.2 (Apr 1 2010 - 10:24:23)

If there are still problems, i think then there might be hardware out with a newer bootloader. Hopefully somebody can send me that newer bootloader, we haven't seen hardware with newer bootloader here yet.

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SV5FRZ
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PostPosted: Tue Jun 12, 2012 14:59    Post subject: Reply with quote
Unfortunately the Bullet M2 I had is now serving its owner...

I'll post something once I have another one available.
LOM
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Joined: 28 Dec 2008
Posts: 7647

PostPosted: Tue Jun 12, 2012 15:24    Post subject: Reply with quote
Code:

00000000 55 42 4E 54 58 4D 2E 61 72 37 32 34 30 2E 76 35 UBNTXM.ar7240.v5
00000010 2E 35 2E 31 32 35 33 36 2E 31 32 30 34 30 36 2E .5.12536.120406.
00000020 31 34 35 35 00 00 00 00 00 00 00 00 00 00 00 00 1455............
00000030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000080 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000090 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
000000A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
000000B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
000000C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
000000D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
000000E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
000000F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000100 00 00 00 00 07 4D 4A F1 00 00 00 00 50 41 52 54 .....MJ.....PART
00000110 75 2D 62 6F 6F 74 00 00 00 00 00 00 00 00 00 00 u-boot..........
00000120 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000130 00 00 00 00 9F 00 00 00 00 00 00 00 00 02 C8 00 ................
00000140 00 04 00 00                                     ....           

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Sash
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PostPosted: Thu Jun 14, 2012 15:42    Post subject: Reply with quote
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=155592
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chris
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Joined: 06 Jun 2006
Posts: 101
Location: Germany, Bensheim

PostPosted: Fri Jun 15, 2012 14:59    Post subject: Reply with quote
HI,

i got the bulletm2 and bulletm5.
After upgrading the airos from 5.3.5 to 5.5(gui) the bootloader changed:

U-Boot 1.1.4.2-s550 (Feb 9 2012 - 17:16:25)

Then we installed the mentioned firmware ( ftp://www.dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/2012/06-08-12-r19342/) without issues, and it works.

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