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NXP Semiconductors

AN11480

Quick Start Up Guide for EXPLORE NFC working with Raspberry Pi

AN11480

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Application note

COMPANY PUBLIC

Rev. 1.0 — 17 December 2013

279710

14 of 30

A specification to store data for any kind of service and application is specified in the

NFC Forum and it is called NFC Data Exchange Format. Storing NDEF formatted data

inside contactless card products as mapping models as well as the management of NFC

forum device as a specific platform such as a NFC Forum Type 4 Tag are defined in

[18.]. The following project shows an exemplary implementation of a Tag 2 Type Card on

the PN512.

7.2 Configuration of the example project

In order to change some of the possible options before compiling the project, the file

"src\NxpRdLib_PublicRelease\intfs\phCardEmu_Options.h"

should be edited. This file contains toggles to change some default values like memory

sizes or pin numbers in which the PN512 chip is connected to the Microcontroller.

Further options are also indicated in the file.

Note: To get the provided application running, you only need to make changes in the file

settings.properties. This file provides the access credentials for the Java application to

Facebook.

7.3 Building and starting the project

Before you can work with the Card Emulation project you need to make sure that the

following additional packages are installed on the Raspberry Pi:

• cmake

• oracle-java7-jdk

You can install these packages with the command sudo apt-get update && sudo

apt-get install cmake oracle-java7-jdk.

Once these packages are installed, you can build the project as follows:

1. Change into the directory build

2. Type the following command: cmake ../source

3. Compile the source with the command make

4. Edit the file settings.properties and enter your credentials for Facebook.

5. Run the program with the command ./cardEmulation-fb

7.4 Changing the predefined NDEF message

The predefined NDEF message can be changed in the following files:

1. Open the file

..\src\NxpRdLib_PublicRelease\comps\phceT2TCmdHdl\src\Sw\phceT2T_Const.c

2. Change the NDEF message defined in const uint8_t T2T_DATA_DEF[].

Which one of the messages is used by the software is defined with the line

#define T2T_NDEFFILE_PREDEF 4.

7.5 Source code of the Java and Android applications

The sources of all applications involved in that example are provided with these

examples. Both applications, the Android application and the Java application, are

provided as Eclipse projects.