brmlab/brmdoor_libnfc
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2021 update for latest raspberry/raspbian

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Ondrej Mikle 2021-05-28 01:30:11 +02:00
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16
README.md
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@ -4,6 +4,9 @@ This is an access-control system implementation via contactless ISO 14443A cards
and a PN53x-based reader. So you basically swipe your card, and if it's in and a PN53x-based reader. So you basically swipe your card, and if it's in
database, the door unlocks. database, the door unlocks.
It's a bit old project, so requires python 2 (didn't have time for porting). At least currently
(2010-05-28) still works on latest Raspberry 4 and Raspbian Buster.
Info about authorized users and their cards and keys is stored in sqlite database. Info about authorized users and their cards and keys is stored in sqlite database.
It also supports physical *OPEN/CLOSE state* button for people to indicate if place is opened to public. The state can be reported via IRC topic It also supports physical *OPEN/CLOSE state* button for people to indicate if place is opened to public. The state can be reported via IRC topic
@ -29,6 +32,15 @@ and panic trigger) or a cheap electromagnetic lock.
Test code is also provided to get payment signature (cryptogram) from Visa and Mastercard, but it's not used. Test code is also provided to get payment signature (cryptogram) from Visa and Mastercard, but it's not used.
## Enabling SPI
Various Raspberry models have different ways of enabling SPI, but you need to do it for NFC reader to work.
In latest Raspi 4B, you need to edit `/boot/config.txt` and add/uncomment line `dtparam=spi=on`, just loading
kernel modules won't work.
Older models needed some enabling in device tree. Cherries on top.
### Note on old libfreefare 0.4.x desfire timeouts/deadlocks ### Note on old libfreefare 0.4.x desfire timeouts/deadlocks
Old libfreefare 0.4.x has infinite timeouts for desfire operations (and others). Old libfreefare 0.4.x has infinite timeouts for desfire operations (and others).
@ -39,6 +51,8 @@ You need to rebuild the lib and reinstall it.
Latest versions have finite timeout, which is also configurable. Latest versions have finite timeout, which is also configurable.
TODO: still need to fix option for latest freefare libs
## Building and dependencies ## Building and dependencies
You need just to run `make`. Additional dependencies: You need just to run `make`. Additional dependencies:
@ -47,7 +61,7 @@ You need just to run `make`. Additional dependencies:
- [libfreefare](https://github.com/nfc-tools/libfreefare), in Debian and Ubuntu install libfreefare-bin and libfreefare-dev - [libfreefare](https://github.com/nfc-tools/libfreefare), in Debian and Ubuntu install libfreefare-bin and libfreefare-dev
- [python-axolotl-curve25519](https://github.com/tgalal/python-axolotl-curve25519), in Ubuntu and Debian install python-axolotl-curve25519 - [python-axolotl-curve25519](https://github.com/tgalal/python-axolotl-curve25519), in Ubuntu and Debian install python-axolotl-curve25519
- [SWIG version 2](http://www.swig.org/) - to generate Python-C++ bindings, SWIG 3 is known to cause segfaults sometimes - [SWIG version 2](http://www.swig.org/) - to generate Python-C++ bindings, SWIG 3 is known to cause segfaults sometimes
- [WiringPi2 pythonic binding](https://github.com/WiringPi/WiringPi2-Python) (for switching lock on Raspberry) - [WiringPi2 pythonic binding](https://github.com/WiringPi/WiringPi2-Python) (for switching lock on Raspberry), install from pip, `pip install wiringpi`
- [python-irc](https://pypi.python.org/pypi/irc) >= 16.0, use "pip install irc", the one in repos is old - [python-irc](https://pypi.python.org/pypi/irc) >= 16.0, use "pip install irc", the one in repos is old
- [pysftp](https://pypi.org/project/pysftp/) - for uploading SpaceAPI-formatted status to some host - [pysftp](https://pypi.org/project/pysftp/) - for uploading SpaceAPI-formatted status to some host
- optional runtime dependency, not needed unless you set SFTP SpaceAPI upload to true - optional runtime dependency, not needed unless you set SFTP SpaceAPI upload to true

1
nfc_smartcard.cpp
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@ -7,6 +7,7 @@
#include <nfc/nfc.h> #include <nfc/nfc.h>
#include <nfc/nfc-types.h> #include <nfc/nfc-types.h>
#include <freefare.h> #include <freefare.h>
#include <functional>
#include "nfc_smartcard.h" #include "nfc_smartcard.h"