Lego Dimensions - NFC Tag Tool
This tiny tool can read, identify and work with NFC Tags for the Lego Dimensions game. A catalog of characters and devices is included but it does not understand Upgrades of latter ones.
It uses libnfc to access the NFC hardware. Therefore it should work with all devices supported by libnfc. Nevertheless it was developed and tested with a PN532 based board in UART mode produced by itead Studio.
Thanks to ags131, socram8888 and bettse for publishing their code and discussing their findings. 👍
This helped me to understand the crypto algorithm and the Mifare Ultralight NFC tags.
git clone https://github.com/phogar/ldnfctags.git
cd ldnfctags
./cmake-debug-makefiles.sh
cd build
make
./src/ldcli --help-all
Tools used to build the binaries:
- sh
- C and C++ compiler
- cmake
Dependencies of the source code:
- libnfc v1.7.1
- glib2 v2.40
And additional libraries for the Graphical User Interface:
- gtk+3 v3.10
- gtkmm3 v3.4
Run ./cmake-debug-makefile.sh and let cmake check the dependencies and create a Makefile in the subdirectory build. Change to build and run make.
libnfc must be configured to find the NFC tag reader. Configuration examples can be found in etc/nfc.
The most complete tool in this repository is ldcli. It can be found in build/src/. Call
ldcli --help-all
to get this complete usage message.
Usage:
ldcli [OPTION...] - Lego Dimensions cli
ldcli works on Near Field Communication Tags for the Lego Dimensions game.
It can read, write tags and list brief information about known characters.
Read and write operations depend on a preconfigured libnfc installation.
Help Options:
-h, --help Show help options
--help-all Show all help options
--help-command Show command options
Command Options :
-l, --list List known characters.
-r, --read Read NFC tag and dump information.
-c, --character=CID Write character with id CID to NFC tag. [1<CID<99]
-i, --initialize Initialize NFC tag for vehicle/gadget usage. Lego Dimensions USB pad will accept the tag as an empty tag.
-v, --vehicle=VID Write vehicle with id VID to NFC tag. [0<=VID<1000]
Application Options:
-w, --write Per default writing to a NFC tag is disable. Use this flag to enable.
Before using this tool you'll have to configure libnfc.
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