File content as of revision 11:d0665d9c28a6:

/**
  ******************************************************************************
  * @file       main.cpp
  * @author     AMG Central Lab
  * @version    V1.0.0
  * @date       30 Aug 2016
  * @brief      This demo writes an ndef message with an url inside.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

#include "mbed.h"

#include "XNucleoNFC02A1.h"
#include "DevI2C.h"
#include "NDefLib/NDefNfcTag.h"
#include "NDefLib/RecordType/RecordURI.h"

static volatile bool buttonPress=false; // true when the user press the message

static void set_button_press(){
    buttonPress=true;
}//if buttonPress
 
 static void read_and_print_nfc_tag(NDefLib::NDefNfcTag &tag){
    using namespace NDefLib;

    if(tag.open_session() == true){
        printf("Open Session\r\n");
        NDefLib::Message readMsg;

        tag.read(&readMsg);
        printf("Message Read\r\n");

        if(readMsg.get_N_records()==0){
            printf("Error Read\r\n");
        }else{
            for(uint32_t i=0;i<readMsg.get_N_records();i++){
                Record *r = readMsg[i];
               // printRecord(r);
                //-----
                RecordURI *const temp = (RecordURI*)r;
                printf("Read uriId: %d\r\n",temp->get_uri_id());
                printf("Read uriType: %s\r\n",temp->get_uri_type().c_str());
                printf("Read uriContent: %s\r\n",temp->get_content().c_str());
                //------
                delete r;
            }//for
        }//if-else

        tag.close_session();
        printf("Close session\r\n");
    }else{
        printf("Error open read Session\n\r");
    }
}

/**
 * Write a Ndef URI message linking to st.com site.
 */

int main(void)
{
  
  /*use default board pinout*/
  DevI2C i2cChannel(XNucleoNFC02A1::DEFAULT_SDA_PIN,XNucleoNFC02A1::DEFAULT_SDL_PIN);
  XNucleoNFC02A1 *nfcNucleo = XNucleoNFC02A1::instance(i2cChannel,
                                                           XNucleoNFC02A1::DEFAULT_GPO_PIN,XNucleoNFC02A1::DEFAULT_RF_DISABLE_PIN,
                                                           XNucleoNFC02A1::DEFAULT_LED1_PIN,XNucleoNFC02A1::DEFAULT_LED2_PIN,
                                                           XNucleoNFC02A1::DEFAULT_LED3_PIN);
  
  NDefLib::NDefNfcTag& tag =nfcNucleo->get_M24LR().get_NDef_tag();
  M24LR & mM24LRp = nfcNucleo->get_M24LR();
  
  /* Enable Energy Harvesting */
  mM24LRp.enable_energy_harvesting();
  
  printf("System Initialization done: !\n\r");
  
  /*open the i2c session with the nfc chip*/
  if(tag.open_session() == true)
  {
    printf("Session opened\n\r");
    nfcNucleo->get_led1()=1;
    
    /*create the NDef message and record*/
    NDefLib::Message msg;
    NDefLib::RecordURI rUri(NDefLib::RecordURI::HTTP_WWW,"st.com/st25");
    msg.add_record(&rUri);
    
    /*write the tag*/
    if(tag.write(msg) == true)
    {
      printf("Tag written\n\r");
      nfcNucleo->get_led2()=1;
    }
    else
    {
      printf("Error writing \n\r");
      nfcNucleo->get_led1()=0;
    }//if-else
    
    /*close the i2c session*/
    if(tag.close_session() == true)
    {
      printf("Session closed\n\r");
      nfcNucleo->get_led3()=1;
    }
    else
    {
      printf("Error closing the session\n\r");
    }//if-else
    
  }
  else
    printf("Error opening the session\n\r");
          
#if defined(TARGET_STM)
    /* enable the button */
    InterruptIn mybutton(USER_BUTTON);
    
    mybutton.fall(set_button_press);

    /*each second change the led status and see if the user press the button*/
    while(1) 
    {
        if(buttonPress)
        {
            /*write the read message on console*/
            read_and_print_nfc_tag(tag);
            buttonPress=false;
        }
    }
#else
    read_and_print_nfc_tag(tag);
#endif
}




/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/