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Your monitoring isn't a stack. It's a pile. Fix that.
Errors, performance, logs, uptime. One install, one invoice, one UI.
Replace Datadog, New Relic, and Sentry without adding three more dashboards.
read nfc card by android bluetooth spp
key words: libnfc, android, pn532
you can get the latest code by git ^_^
Details:
http://blog.csdn.net/chenxupro/article/details/8795725
http://blog.csdn.net/chenxupro/article/details/12383681
This project provides a chip card interface device driver for the PC/SC Lite server deamon (pcscd). The driver provides a standard PC/SC interface to NFC devices supported by libnfc.
Note, that this project is currently not actively developed. However, the code has been adopted by the libnfc-Team. See https://code.google.com/p/ifdnfc/source/checkout.