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Eric Wild 7ca68359f3 cardem: fix spurious NULL bytes during transfers 
The "wait time extension timer" was apparently not being reset during
normal tx operations, which led to occasional NULL (0x60) bytes getting
injected into transfers, which in turn led to more tx bytes than what
the reader side expects...

The odd thing is that this was only noticeable with high baud rates,
probably due to the very long default WT of 9600 ETU, and even then only
because it led to weird ngff modem resets after benign transfers.

Change-Id: I15b0b83b7d93b8e5589f3640bd6eb2fc82f93394
Related: SYS#5553
2021-08-08 04:14:38 +02:00
contrib
contrib: more cardem dissection
2021-08-02 09:23:19 +00:00
debian
d/source/format: new file
2021-03-05 12:41:22 +01:00
firmware
cardem: fix spurious NULL bytes during transfers
2021-08-08 04:14:38 +02:00
hardware
board_gpio.gnumeric: Add ngff-cardem pin-out
2021-07-01 23:28:52 +02:00
host
simtrace2.spec: Add simtrace2-tool binary to package
2021-08-03 09:02:34 +02:00
.gitignore
gitignore: add firmware/apps/*/usb_strings.txt.patched
2021-03-05 15:04:06 +01:00
.gitmodules
use same USB Product ID for DFU and runtime mode
2017-05-05 00:34:28 +02:00
.gitreview
gitreview: new file
2021-07-30 10:32:35 +02:00
clk_calc.py
clk calculation: updated max mul val
2015-02-20 14:40:07 +01:00
git-version-gen
ensure git version ends up in firmware image
2016-03-19 21:37:55 +01:00
Makefile
Fix topdir Makefile and debian packaging
2019-11-28 11:53:09 +01:00
README.md
Update README
2020-10-27 15:55:07 +01:00
TODO-RELEASE
Introduce support for asynchronous USB transmission
2020-05-25 23:00:20 +02:00

README.md

SIMtrace v2.0

This is the repository for the next-generation SIMtrace devices, providing abilities to trace the communication between (U)SIM card and phone, remote (U)SIM card forward, (U)SIM man-in-the-middle, and more.

NOTE: Nothing in this repository applies to the SIMtrace v1.x hardware or its associated firmware. SIMtrace v1.x is based on a different CPU / microcontroller architecture and uses a completely different software stack and host software.

Supported Hardware

  • Osmocom SIMtrace 1.x with SAM3 controller ** this is open hardware and schematics / PCB design is published
  • sysmocom sysmoQMOD (with 4 Modems, 4 SIM slots and 2 SAM3) ** this is a proprietary device, publicly available from sysmocom
  • sysmocom OWHW (with 2 Modems and 1 SAM3 onboard) ** this is not publicly available hardware, but still supported

This Repository

This repository contains several directory

  • firmware - the firmware to run on the actual devices
  • hardware - some information related to the hardware
  • host - Programs to use on the USB host to interface with the hardware

The host software includes

  • libosmo-simtrace2 - a shared library to talk to devices running the simtrace2 firmware
  • simtrace2-list - list any USB-attached devices running simtrace2 firmware
  • simtrace2-sniff - interface the 'trace' firmware to obtain card protocol traces
  • simtrace2-cardem-pcsc - interface the 'cardem' fimrware to use a SIM in a PC/SC reader
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