Jan Kowalski / Mbed 2 deprecated NFC_Nucleo

NFC

Dependencies:   mbed NDefLib X_NUCLEO_NFC01A1

main.cpp@18:982e7640cfb6, 2016-08-31 (annotated)

Committer:
giovannivisentini
Date:
Wed Aug 31 09:58:19 2016 +0000
Revision:
18:982e7640cfb6
Parent:
14:1b99908360c5 
add a read example

Who changed what in which revision?

UserRevisionLine numberNew contents of line
giovannivisentini 0:151ae20d098f 1 /**
giovannivisentini 0:151ae20d098f 2 ******************************************************************************
giovannivisentini 0:151ae20d098f 3 * @file main.cpp
giovannivisentini 4:4145a2db3349 4 * @author ST Central Labs
giovannivisentini 7:435297dd022d 5 * @version V1.0.0
giovannivisentini 4:4145a2db3349 6 * @date 21 Dic 2015
giovannivisentini 6:44204e733f96 7 * @brief This demo writes an ndef message with an url inside.
giovannivisentini 0:151ae20d098f 8 ******************************************************************************
giovannivisentini 6:44204e733f96 9 * @attention
giovannivisentini 0:151ae20d098f 10 *
giovannivisentini 6:44204e733f96 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
giovannivisentini 0:151ae20d098f 12 *
giovannivisentini 0:151ae20d098f 13 * Redistribution and use in source and binary forms, with or without modification,
giovannivisentini 0:151ae20d098f 14 * are permitted provided that the following conditions are met:
giovannivisentini 0:151ae20d098f 15 * 1. Redistributions of source code must retain the above copyright notice,
giovannivisentini 0:151ae20d098f 16 * this list of conditions and the following disclaimer.
giovannivisentini 0:151ae20d098f 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
giovannivisentini 0:151ae20d098f 18 * this list of conditions and the following disclaimer in the documentation
giovannivisentini 0:151ae20d098f 19 * and/or other materials provided with the distribution.
giovannivisentini 0:151ae20d098f 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
giovannivisentini 0:151ae20d098f 21 * may be used to endorse or promote products derived from this software
giovannivisentini 0:151ae20d098f 22 * without specific prior written permission.
giovannivisentini 0:151ae20d098f 23 *
giovannivisentini 0:151ae20d098f 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
giovannivisentini 0:151ae20d098f 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
giovannivisentini 0:151ae20d098f 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
giovannivisentini 0:151ae20d098f 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
giovannivisentini 0:151ae20d098f 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
giovannivisentini 0:151ae20d098f 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
giovannivisentini 0:151ae20d098f 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
giovannivisentini 0:151ae20d098f 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
giovannivisentini 0:151ae20d098f 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
giovannivisentini 0:151ae20d098f 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
giovannivisentini 0:151ae20d098f 34 *
giovannivisentini 0:151ae20d098f 35 ******************************************************************************
giovannivisentini 0:151ae20d098f 36 */
giovannivisentini 11:925a5a491a5c 37
giovannivisentini 0:151ae20d098f 38 #include "mbed.h"
giovannivisentini 0:151ae20d098f 39
giovannivisentini 0:151ae20d098f 40 #include "X_NUCLEO_NFC01A1.h"
giovannivisentini 4:4145a2db3349 41 #include "NDefLib/NDefNfcTag.h"
giovannivisentini 0:151ae20d098f 42 #include "NDefLib/RecordType/RecordURI.h"
giovannivisentini 0:151ae20d098f 43
giovannivisentini 0:151ae20d098f 44 /**
giovannivisentini 18:982e7640cfb6 45 * Write an NDef message with a Uri record linking the st.com site
giovannivisentini 18:982e7640cfb6 46 * @param nfcNucleo expansion board where write the NDef message
giovannivisentini 0:151ae20d098f 47 */
giovannivisentini 18:982e7640cfb6 48 static void writeUrl(X_NUCLEO_NFC01A1 *nfcNucleo){
giovannivisentini 18:982e7640cfb6 49 NDefLib::NDefNfcTag& tag = nfcNucleo->getM24SR().getNDefTag();
giovannivisentini 0:151ae20d098f 50 //open the i2c session with the nfc chip
giovannivisentini 0:151ae20d098f 51 if(tag.openSession()){
giovannivisentini 14:1b99908360c5 52 printf("Session opened\n\r");
giovannivisentini 0:151ae20d098f 53 nfcNucleo->getLed1()=1;
giovannivisentini 0:151ae20d098f 54
giovannivisentini 0:151ae20d098f 55 //create the NDef message and record
giovannivisentini 0:151ae20d098f 56 NDefLib::Message msg;
giovannivisentini 0:151ae20d098f 57 NDefLib::RecordURI rUri(NDefLib::RecordURI::HTTP_WWW,"st.com");
giovannivisentini 0:151ae20d098f 58 msg.addRecord(&rUri);
giovannivisentini 0:151ae20d098f 59
giovannivisentini 0:151ae20d098f 60 //write the tag
giovannivisentini 0:151ae20d098f 61 if(tag.write(msg)){
giovannivisentini 14:1b99908360c5 62 printf("Tag written\n\r");
giovannivisentini 0:151ae20d098f 63 nfcNucleo->getLed2()=1;
giovannivisentini 1:eff1b8998438 64 }else{
giovannivisentini 7:435297dd022d 65 printf("Error writing \n\r");
giovannivisentini 1:eff1b8998438 66 }//if-else
giovannivisentini 0:151ae20d098f 67
giovannivisentini 0:151ae20d098f 68 //close the i2c session
giovannivisentini 1:eff1b8998438 69 if(tag.closeSession()){
giovannivisentini 7:435297dd022d 70 printf("Session closed\n\r");
giovannivisentini 1:eff1b8998438 71 nfcNucleo->getLed3()=1;
giovannivisentini 1:eff1b8998438 72 }else{
giovannivisentini 14:1b99908360c5 73 printf("Error closing the session\n\r");
giovannivisentini 1:eff1b8998438 74 }//if-else
giovannivisentini 1:eff1b8998438 75
giovannivisentini 0:151ae20d098f 76 }else
giovannivisentini 14:1b99908360c5 77 printf("Error opening the session\n\r");
giovannivisentini 18:982e7640cfb6 78 }
giovannivisentini 18:982e7640cfb6 79
giovannivisentini 18:982e7640cfb6 80 /**
giovannivisentini 18:982e7640cfb6 81 * Read a NDef message and print content and type of all the uri record inside
giovannivisentini 18:982e7640cfb6 82 * the message
giovannivisentini 18:982e7640cfb6 83 * @param nfcNucleo expansion board from where read the message
giovannivisentini 18:982e7640cfb6 84 */
giovannivisentini 18:982e7640cfb6 85 static void readUrl(X_NUCLEO_NFC01A1 *nfcNucleo){
giovannivisentini 18:982e7640cfb6 86 NDefLib::NDefNfcTag& tag = nfcNucleo->getM24SR().getNDefTag();
giovannivisentini 18:982e7640cfb6 87 //open the i2c session with the nfc chip
giovannivisentini 18:982e7640cfb6 88 if(tag.openSession()){
giovannivisentini 18:982e7640cfb6 89 printf("Session opened\n\r");
giovannivisentini 18:982e7640cfb6 90 nfcNucleo->getLed1()=1;
giovannivisentini 18:982e7640cfb6 91
giovannivisentini 18:982e7640cfb6 92 //create the NDef message and record
giovannivisentini 18:982e7640cfb6 93 NDefLib::Message msg;
giovannivisentini 18:982e7640cfb6 94
giovannivisentini 18:982e7640cfb6 95 //read the tag
giovannivisentini 18:982e7640cfb6 96 if(tag.read(&msg)){
giovannivisentini 18:982e7640cfb6 97 const uint32_t nRecords = msg.getNRecords();
giovannivisentini 18:982e7640cfb6 98 printf("Tag read: %d record\n\r",msg.getNRecords());
giovannivisentini 18:982e7640cfb6 99 for(int i =0 ;i<nRecords ;i++){
giovannivisentini 18:982e7640cfb6 100 if(msg[i]->getType()== NDefLib::Record::TYPE_URI){
giovannivisentini 18:982e7640cfb6 101 NDefLib::RecordURI *rUri = (NDefLib::RecordURI *)msg[i];
giovannivisentini 18:982e7640cfb6 102 printf("UriType: %x\n\rUriContent: %s\n\r",
giovannivisentini 18:982e7640cfb6 103 rUri->getUriId(),
giovannivisentini 18:982e7640cfb6 104 rUri->getContent().c_str());
giovannivisentini 18:982e7640cfb6 105 }//if
giovannivisentini 18:982e7640cfb6 106 }//for
giovannivisentini 18:982e7640cfb6 107 //free the read records
giovannivisentini 18:982e7640cfb6 108 NDefLib::Message::removeAndDeleteAllRecord(msg);
giovannivisentini 18:982e7640cfb6 109 }else{
giovannivisentini 18:982e7640cfb6 110 printf("Error Reading \n\r");
giovannivisentini 18:982e7640cfb6 111 }//if-else
giovannivisentini 18:982e7640cfb6 112
giovannivisentini 18:982e7640cfb6 113 //close the i2c session
giovannivisentini 18:982e7640cfb6 114 if(tag.closeSession()){
giovannivisentini 18:982e7640cfb6 115 printf("Session closed\n\r");
giovannivisentini 18:982e7640cfb6 116 nfcNucleo->getLed3()=1;
giovannivisentini 18:982e7640cfb6 117 }else{
giovannivisentini 18:982e7640cfb6 118 printf("Error closing the session\n\r");
giovannivisentini 18:982e7640cfb6 119 }//if-else
giovannivisentini 18:982e7640cfb6 120
giovannivisentini 18:982e7640cfb6 121 }else
giovannivisentini 18:982e7640cfb6 122 printf("Error opening the session\n\r");
giovannivisentini 18:982e7640cfb6 123 }
giovannivisentini 18:982e7640cfb6 124
giovannivisentini 18:982e7640cfb6 125 static volatile bool buttonPress=false;
giovannivisentini 18:982e7640cfb6 126
giovannivisentini 18:982e7640cfb6 127 static void setButtonPress(){
giovannivisentini 18:982e7640cfb6 128 buttonPress=true;
giovannivisentini 18:982e7640cfb6 129 }//if buttonPress
giovannivisentini 18:982e7640cfb6 130
giovannivisentini 18:982e7640cfb6 131 /**
giovannivisentini 18:982e7640cfb6 132 * Write a Ndef URI message linking to st.com site.
giovannivisentini 18:982e7640cfb6 133 */
giovannivisentini 18:982e7640cfb6 134 int main(void){
giovannivisentini 18:982e7640cfb6 135
giovannivisentini 18:982e7640cfb6 136 //use default board pinout
giovannivisentini 18:982e7640cfb6 137 I2C i2cChannel(X_NUCLEO_NFC01A1::DEFAULT_SDA_PIN,X_NUCLEO_NFC01A1::DEFAULT_SDL_PIN);
giovannivisentini 18:982e7640cfb6 138 X_NUCLEO_NFC01A1 *nfcNucleo = X_NUCLEO_NFC01A1::Instance(i2cChannel,NULL,
giovannivisentini 18:982e7640cfb6 139 X_NUCLEO_NFC01A1::DEFAULT_GPO_PIN,X_NUCLEO_NFC01A1::DEFAULT_RF_DISABLE_PIN,
giovannivisentini 18:982e7640cfb6 140 X_NUCLEO_NFC01A1::DEFAULT_LED1_PIN,X_NUCLEO_NFC01A1::DEFAULT_LED2_PIN,
giovannivisentini 18:982e7640cfb6 141 X_NUCLEO_NFC01A1::DEFAULT_LED3_PIN);
giovannivisentini 18:982e7640cfb6 142
giovannivisentini 18:982e7640cfb6 143 //retrieve the NdefLib interface
giovannivisentini 18:982e7640cfb6 144 NDefLib::NDefNfcTag& tag =nfcNucleo->getM24SR().getNDefTag();
giovannivisentini 18:982e7640cfb6 145 printf("System Init done: !\n\r");
giovannivisentini 18:982e7640cfb6 146
giovannivisentini 18:982e7640cfb6 147 // write an URI message
giovannivisentini 18:982e7640cfb6 148 writeUrl(nfcNucleo);
giovannivisentini 18:982e7640cfb6 149
giovannivisentini 18:982e7640cfb6 150 //if run on a nucleo board enable the user button for read the ndef record
giovannivisentini 18:982e7640cfb6 151 #if defined(TARGET_STM)
giovannivisentini 18:982e7640cfb6 152 InterruptIn userButton(USER_BUTTON);
giovannivisentini 18:982e7640cfb6 153 userButton.fall(setButtonPress);
giovannivisentini 18:982e7640cfb6 154 while(true){
giovannivisentini 18:982e7640cfb6 155 if(buttonPress){
giovannivisentini 18:982e7640cfb6 156 readUrl(nfcNucleo);
giovannivisentini 18:982e7640cfb6 157 buttonPress=false;
giovannivisentini 18:982e7640cfb6 158 }//if
giovannivisentini 18:982e7640cfb6 159 //wait next event
giovannivisentini 18:982e7640cfb6 160 __WFE();
giovannivisentini 18:982e7640cfb6 161 }//while
giovannivisentini 18:982e7640cfb6 162 #else
giovannivisentini 18:982e7640cfb6 163 readUrl(nfcNucleo);
giovannivisentini 18:982e7640cfb6 164 #endif
giovannivisentini 11:925a5a491a5c 165 }