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#1 2019-11-11 14:44:48

flux__underscore
Contributor
Registered: 2019-10-24
Posts: 5

Iceman1001/proxmark3 RDV2 Antenna(s) are UNUSABLE

Hello forum,

Please accept my apologies if the formatting of this question is incorrect for I am a n00b, I have lurked around these forums for a while now and have come across a problem that I've been unable to solve and hope that the community will be kind enough to help me:

I have an issue where 

hw tune

results in:

[!] LF antenna is UNUSABLE 
          
[!] HF antenna is UNUSABLE          
          
[-] Not showing LF tuning graph since all values is zero.

I've got a (new out of the box) RDV2 and updated the bootloader and fullimage using:

user@user:~/proxmark3/proxmark3$ client/flasher /dev/ttyACM0 -b bootrom/obj/bootrom.elf armsrc/obj/fullimage.elf

i have compiled the cloned git using: 

make clean && make all

which completes without error.

I am able to flash the bootloader.elf and fullimage.elf by keeping the button held (for the duration of the flash) whilst connecting the PM3.

The flash procedure completes like this:

user@user:~/proxmark3/proxmark3$ client/flasher /dev/ttyACM0 -b bootrom/obj/bootrom.elf armsrc/obj/fullimage.elf 
Loading ELF file 'bootrom/obj/bootrom.elf'...
Loading usable ELF segments:
0: V 0x00100000 P 0x00100000 (0x00000200->0x00000200) [R X] @0x94
1: V 0x00200000 P 0x00100200 (0x00000d6c->0x00000d6c) [R X] @0x298

Loading ELF file 'armsrc/obj/fullimage.elf'...
Loading usable ELF segments:
0: V 0x00102000 P 0x00102000 (0x00037148->0x00037148) [R X] @0x94
1: V 0x00200000 P 0x00139148 (0x00001300->0x00001300) [RW ] @0x371dc
Note: Extending previous segment from 0x37148 to 0x38448 bytes

.Waiting for Proxmark to appear on /dev/ttyACM0 Found.

Flashing...
Writing segments for file: bootrom/obj/bootrom.elf
 0x00100000..0x001001ff [0x200 / 1 blocks]. OK
 0x00100200..0x00100f6b [0xd6c / 7 blocks]....... OK

Writing segments for file: armsrc/obj/fullimage.elf
 0x00102000..0x0013a447 [0x38448 / 451 blocks]................................................................................................................................................................................................................................................................................................................................................................................................................................................................... OK

Resetting hardware...
All done.

Have a nice day!

I'm able to connect to the proxmark using the client:

user@user:~/proxmark3/proxmark3$ client/proxmark3 /dev/ttyACM0 


██████╗ ███╗   ███╗ ████╗     ...iceman fork
██╔══██╗████╗ ████║   ══█║
██████╔╝██╔████╔██║ ████╔╝
██╔═══╝ ██║╚██╔╝██║   ══█║    iceman@icesql.net
██║     ██║ ╚═╝ ██║ ████╔╝  https://github.com/iceman1001/proxmark3
╚═╝     ╚═╝     ╚═╝ ╚═══╝ v3.1.0

Keep iceman fork alive with a donation!           https://paypal.me/iceman1001/
MONERO: 43mNJLpgBVaTvyZmX9ajcohpvVkaRy1kbZPm8tqAb7itZgfuYecgkRF36rXrKFUkwEGeZedPsASRxgv4HPBHvJwyJdyvQuP



Proxmark3 RFID instrument
          

 [ CLIENT ]          
 client: iceman build for RDV40 with flashmem; smartcard;  
          
 [ ARM ]
 bootrom: iceman/master/ice_v3.1.0-1097-ga23414fe 2019-11-11 11:18:53
      os: iceman/master/ice_v3.1.0-1097-ga23414fe 2019-11-11 11:18:55

 [ FPGA ]
 LF image built for 2s30vq100 on 2017/10/25 at 19:50:50
 HF image built for 2s30vq100 on 2018/ 9/ 3 at 21:40:23          

 [ Hardware ]           
  --= uC: AT91SAM7S512 Rev B          
  --= Embedded Processor: ARM7TDMI          
  --= Nonvolatile Program Memory Size: 512K bytes, Used: 238663 bytes (46%) Free: 285625 bytes (54%)          
  --= Second Nonvolatile Program Memory Size: None          
  --= Internal SRAM Size: 64K bytes          
  --= Architecture Identifier: AT91SAM7Sxx Series          
  --= Nonvolatile Program Memory Type: Embedded Flash Memory          

          
pm3 -->

The command hw tune gives me this output:

pm3 --> hw tune
          
[=] measuring antenna characteristics, please wait...
          
....
          
[!] LF antenna is UNUSABLE 
          
[!] HF antenna is UNUSABLE          
          
[-] Not showing LF tuning graph since all values is zero.
          
pm3 -->

if i try to issue 

hf search

the proxmark resets itself and moves onto 

/dev/ttyACM1

:

pm3 --> hf search
UART:: write time-out
sending bytes to proxmark failed          
UART:: write time-out
sending bytes to proxmark failed          
UART:: write time-out
sending bytes to proxmark failed          
[!] timeout while waiting for reply.          
Sending bytes to proxmark failed - offline          
Sending bytes to proxmark failed - offline          
Sending bytes to proxmark failed - offline          
Waiting for a response from the proxmark...          
You can cancel this operation by pressing the pm3 button

For what it is worth, I have read through ubuntu install instructions and uninstalled modemmanager, I'm on ubuntu 18.04.3 and have corrected permissions for /dev/ttyACM0:

user@user:~/proxmark3/proxmark3$ [ -r /dev/ttyACM0 ] && [ -w /dev/ttyACM0 ] && echo ok
ok

Please help! smile

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#2 2019-11-11 19:39:05

iceman
Administrator
Registered: 2013-04-25
Posts: 9,537
Website

Re: Iceman1001/proxmark3 RDV2 Antenna(s) are UNUSABLE

....  try  RRG/Iceman repo  compiled with PM3OTHER  and see what happens.

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#3 2019-11-11 20:51:47

flux__underscore
Contributor
Registered: 2019-10-24
Posts: 5

Re: Iceman1001/proxmark3 RDV2 Antenna(s) are UNUSABLE

Hi Iceman/forum,

Thanks for the reply, could you expand a little on what you mean by 'compiled with PM3OTHER' and how to do this?

I've have also tried using the RRG/iceman repo but only using the same make clean && make all compile commands.

Is there a way to build this specifically for an RDV2?

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#4 2019-11-12 04:24:23

iceman
Administrator
Registered: 2013-04-25
Posts: 9,537
Website

Re: Iceman1001/proxmark3 RDV2 Antenna(s) are UNUSABLE

Yes,  since be default it targets PM3RDV4 devices when compiling but is easliy adapted to always target non-rdv4,  ie  PM3OTHER

https://github.com/RfidResearchGroup/pr … ameters.md

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#5 2019-11-12 19:21:25

flux__underscore
Contributor
Registered: 2019-10-24
Posts: 5

Re: Iceman1001/proxmark3 RDV2 Antenna(s) are UNUSABLE

This makes sense to me, thanks. I will give it a try and report back.

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#6 2019-11-17 17:02:37

flux__underscore
Contributor
Registered: 2019-10-24
Posts: 5

Re: Iceman1001/proxmark3 RDV2 Antenna(s) are UNUSABLE

Hi iceman/forum,

I have compiled the RRG/Iceman repo and used the 'PM3OTHER' option which no shows voltage but is unable to locate any LF tags: 

[usb] pm3 --> hw version

 [ Proxmark3 RFID instrument ] 
          

 [ CLIENT ]          
  client: RRG/Iceman          
  compiled with GCC 7.4.0 OS:Linux ARCH:x86_64          

 [ PROXMARK3 ]          
          
 [ ARM ]
  bootrom: RRG/Iceman/master/f08fd019 2019-11-17 15:26:37
       os: RRG/Iceman/master/f08fd019 2019-11-17 15:26:47
  compiled with GCC 6.3.1 20170620

 [ FPGA ]
  LF image built for 2s30vq100 on 2019-07-31 at 15:57:16
  HF image built for 2s30vq100 on 2018-09-03 at 21:40:23          

 [ Hardware ]           
  --= uC: AT91SAM7S512 Rev B          
  --= Embedded Processor: ARM7TDMI          
  --= Nonvolatile Program Memory Size: 512K bytes, Used: 245876 bytes (47%) Free: 278412 bytes (53%)          
  --= Second Nonvolatile Program Memory Size: None          
  --= Internal SRAM Size: 64K bytes          
  --= Architecture Identifier: AT91SAM7Sxx Series          
  --= Nonvolatile Program Memory Type: Embedded Flash Memory          

          
[usb] pm3 --> hw tune
          
[=] Measuring antenna characteristics, please wait...
          
[=] You can cancel this operation by pressing the pm3 button          
..
          
[+] LF optimal: 1683597.10 V -   0.00 kHz          
[+] LF antenna is OK  
          
[!] HF antenna is UNUSABLE           
          
[-] Not showing LF tuning graph since all values is zero.
          
[usb] pm3 --> 
[usb] pm3 --> lf search
[=] NOTE: some demods output possible binary          
[=] if it finds something that looks like a tag          
[=] False Positives ARE possible          
[=]           
[=] Checking for known tags...          
[=]           
[-] No known 125/134 kHz tags found!           
[!] command execution time out          
[usb] pm3 -->

I've even tried applying 3.3v to pin 55 on the at91 and still see the same results.

Is there anything else that I can try?

Thanks

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#7 2019-11-17 17:34:05

iceman
Administrator
Registered: 2013-04-25
Posts: 9,537
Website

Re: Iceman1001/proxmark3 RDV2 Antenna(s) are UNUSABLE

Your LF voltages is crap.  Have you connected the hf/lf antennas to the right ports on your RDV2?

and run

hw status

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