falconpl-dmtx software package provides Falcon module for reading Data Matrix barcodes, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install falconpl-dmtx
falconpl-dmtx is installed in your system.
Make ensure the falconpl-dmtx package were installed using the commands given below,
$ sudo dpkg-query -l | grep falconpl-dmtx *
You will get with falconpl-dmtx package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Development |
| Package | falconpl-dmtx |
| Version | 0.9.6.9-git20120606-2 |
| Description | Falcon module for reading Data Matrix barcodes |
| Sub Section | devel |