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#1 2014-10-14 21:32:36
- jeroen
- Contributor
- Registered: 2009-06-08
- Posts: 10
hi 14b snoop issue on latest svn build
Hi,
I'm trying to capture an ISO14443B conversation. It fails. Details:
//==========================================================================
proxmark3> hw version
Can't open logfile, logging disabled!
#db# Prox/RFID mark3 RFID instrument
#db# bootrom: svn 844 2014-02-06 22:03:08
#db# os: svn 852 2014-10-14 16:01:33
#db# FPGA image built on 2014/03/21 at 19:45:15
uC: AT91SAM7S256 Rev B
Embedded Processor: ARM7TDMI
Nonvolatile Program Memory Size: 256K bytes
Second Nonvolatile Program Memory Size: None
Internal SRAM Size: 64K bytes
Architecture Identifier: AT91SAM7Sxx Series
Nonvolatile Program Memory Type: Embedded Flash Memory
proxmark3> hf 14b snoop
#db# Snooping buffers initialized:
#db# Trace: 4096 bytes
#db# Reader -> tag: 2048 bytes
#db# tag -> Reader: 2048 bytes
#db# DMA: 1024 bytes
#db# blew circular buffer! behindBy=0x3ff
#db# Snoop statistics:
#db# Max behind by: 1023
#db# Uart State: 1
#db# Uart ByteCnt: 0
#db# Uart ByteCntMax: 100
#db# Trace length: 244
proxmark3>
//==========================================================================
Any clues about why the "blew circular buffer" occurs? Is the sniffed transmission too fast / long? Something else? Thanks for sharing your thoughts.
Cheers,
Jeroen
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#2 2014-10-14 21:50:27
- asper
- Contributor
- Registered: 2008-08-24
- Posts: 1,409
Re: hi 14b snoop issue on latest svn build
Update firmware.
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#3 2014-10-14 22:26:57
- jeroen
- Contributor
- Registered: 2009-06-08
- Posts: 10
Re: hi 14b snoop issue on latest svn build
Update firmware.
#db# bootrom: svn 844 2014-02-06 22:03:08
#db# os: svn 852 2014-10-14 16:01:33
#db# FPGA image built on 2014/03/21 at 19:45:15
Bootrom is not the latest though irrelevant right?
OS is current svn release (checked out today).
FPGA is current svn release (checked out today). Date is confusing, it seems to be hardcoded in the image I compiled today and is coming from fpga/fpga.bit or am I overlooking something?
bofh@proxmark3:/opt/pm3/armsrc/obj$ ls -al fpgaimage.elf
-rwxr-xr-x 1 root root 42811 Oct 14 18:01 fpgaimage.elf
bofh@proxmark3:/opt/pm3/armsrc/obj$ strings fpgaimage.elf
fpga-placed.ncd
2s30vq100
2014/03/21
19:45:15
05A(Q
4H8
..
..
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#4 2014-10-14 22:28:56
- iceman
- Administrator
- Registered: 2013-04-25
- Posts: 9,538
- Website
Re: hi 14b snoop issue on latest svn build
Nop, not current at all..
Pm3 code is now on GitHub.
Latest version is 0.0.5...
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#5 2014-10-14 23:01:21
- jeroen
- Contributor
- Registered: 2009-06-08
- Posts: 10
Re: hi 14b snoop issue on latest svn build
Nop, not current at all..
Pm3 code is now on GitHub.Latest version is 0.0.5...
LOLZ switching from SVN to GIT helps 
So no more "svn checkout http://proxmark3.googlecode.com/svn/trunk/ pm3".
But instead "git clone https://github.com/Proxmark/proxmark3.git".
Thanks,
Jeroen
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