ST / Mbed OS HelloWorld_NFC02A1_mbedOS

mbed OS 5 example application using X-NUCLEO-NFC02A1

Dependencies:   NDefLib X_NUCLEO_NFC02A1

Fork of HelloWorld_NFC02A1 by ST

main.cpp@13:17208d6d9971, 2017-07-12 (annotated)

Committer:
Davidroid
Date:
Wed Jul 12 12:35:47 2017 +0000
Revision:
13:17208d6d9971
Parent:
12:85bf9d143843
Child:
14:bc4a5dbef1e7
Updated to fit ARM mbed coding style.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rosarium 0:892175366555 1 /**
rosarium 0:892175366555 2 ******************************************************************************
rosarium 0:892175366555 3 * @file main.cpp
rosarium 1:11ae12d41082 4 * @author AMG Central Lab
rosarium 0:892175366555 5 * @version V1.0.0
rosarium 1:11ae12d41082 6 * @date 30 Aug 2016
rosarium 0:892175366555 7 * @brief This demo writes an ndef message with an url inside.
rosarium 0:892175366555 8 ******************************************************************************
rosarium 0:892175366555 9 * @attention
rosarium 0:892175366555 10 *
rosarium 1:11ae12d41082 11 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
rosarium 0:892175366555 12 *
rosarium 0:892175366555 13 * Redistribution and use in source and binary forms, with or without modification,
rosarium 0:892175366555 14 * are permitted provided that the following conditions are met:
rosarium 0:892175366555 15 * 1. Redistributions of source code must retain the above copyright notice,
rosarium 0:892175366555 16 * this list of conditions and the following disclaimer.
rosarium 0:892175366555 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
rosarium 0:892175366555 18 * this list of conditions and the following disclaimer in the documentation
rosarium 0:892175366555 19 * and/or other materials provided with the distribution.
rosarium 0:892175366555 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
rosarium 0:892175366555 21 * may be used to endorse or promote products derived from this software
rosarium 0:892175366555 22 * without specific prior written permission.
rosarium 0:892175366555 23 *
rosarium 0:892175366555 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
rosarium 0:892175366555 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
rosarium 0:892175366555 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
rosarium 0:892175366555 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
rosarium 0:892175366555 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
rosarium 0:892175366555 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
rosarium 0:892175366555 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
rosarium 0:892175366555 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
rosarium 0:892175366555 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
rosarium 0:892175366555 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
rosarium 0:892175366555 34 *
rosarium 0:892175366555 35 ******************************************************************************
rosarium 0:892175366555 36 */
rosarium 0:892175366555 37
rosarium 0:892175366555 38 #include "mbed.h"
giovannivisentini 11:d0665d9c28a6 39 #include "XNucleoNFC02A1.h"
rosarium 0:892175366555 40 #include "DevI2C.h"
rosarium 1:11ae12d41082 41 #include "NDefLib/NDefNfcTag.h"
rosarium 1:11ae12d41082 42 #include "NDefLib/RecordType/RecordURI.h"
rosarium 8:9bdd16ebccfb 43
Davidroid 13:17208d6d9971 44 static volatile bool buttonPress = false; // true when the user press the message
Davidroid 13:17208d6d9971 45
Davidroid 13:17208d6d9971 46 /**
Davidroid 13:17208d6d9971 47 * Callback for button press.
Davidroid 13:17208d6d9971 48 */
Davidroid 13:17208d6d9971 49 static void set_button_press() {
Davidroid 13:17208d6d9971 50 buttonPress = true;
Davidroid 13:17208d6d9971 51 } //if buttonPress
rosarium 8:9bdd16ebccfb 52
Davidroid 13:17208d6d9971 53 /**
Davidroid 13:17208d6d9971 54 * Reading and printing NFC tag.
Davidroid 13:17208d6d9971 55 */
Davidroid 13:17208d6d9971 56 static void read_and_print_nfc_tag(NDefLib::NDefNfcTag &tag) {
Davidroid 13:17208d6d9971 57 using namespace NDefLib;
rosarium 8:9bdd16ebccfb 58
Davidroid 13:17208d6d9971 59 if (tag.open_session() == true) {
Davidroid 13:17208d6d9971 60 printf("Open Session\r\n");
Davidroid 13:17208d6d9971 61 NDefLib::Message readMsg;
rosarium 8:9bdd16ebccfb 62
Davidroid 13:17208d6d9971 63 tag.read(&readMsg);
Davidroid 13:17208d6d9971 64 printf("Message Read\r\n");
rosarium 8:9bdd16ebccfb 65
Davidroid 13:17208d6d9971 66 if (readMsg.get_N_records()==0) {
Davidroid 13:17208d6d9971 67 printf("Error Read\r\n");
Davidroid 13:17208d6d9971 68 } else {
Davidroid 13:17208d6d9971 69 for (uint32_t i=0;i<readMsg.get_N_records();i++) {
Davidroid 13:17208d6d9971 70 Record *r = readMsg[i];
Davidroid 13:17208d6d9971 71 //printRecord(r);
Davidroid 13:17208d6d9971 72 RecordURI *const temp = (RecordURI*)r;
Davidroid 13:17208d6d9971 73 printf("Read uriId: %d\r\n",temp->get_uri_id());
Davidroid 13:17208d6d9971 74 printf("Read uriType: %s\r\n",temp->get_uri_type().c_str());
Davidroid 13:17208d6d9971 75 printf("Read uriContent: %s\r\n",temp->get_content().c_str());
Davidroid 13:17208d6d9971 76 delete r;
Davidroid 13:17208d6d9971 77 } //for
Davidroid 13:17208d6d9971 78 } //if-else
Davidroid 13:17208d6d9971 79
Davidroid 13:17208d6d9971 80 tag.close_session();
Davidroid 13:17208d6d9971 81 printf("Close session\r\n");
Davidroid 13:17208d6d9971 82 } else {
Davidroid 13:17208d6d9971 83 printf("Error open read Session\n\r");
Davidroid 13:17208d6d9971 84 }
rosarium 8:9bdd16ebccfb 85 }
rosarium 8:9bdd16ebccfb 86
rosarium 0:892175366555 87 /**
Davidroid 13:17208d6d9971 88 * Writing a Ndef URI message linking to the "st.com" website.
rosarium 0:892175366555 89 */
rosarium 0:892175366555 90 int main(void)
rosarium 0:892175366555 91 {
Davidroid 13:17208d6d9971 92 /* Using default board pinout. */
Davidroid 13:17208d6d9971 93 DevI2C i2cChannel(XNucleoNFC02A1::DEFAULT_SDA_PIN,XNucleoNFC02A1::DEFAULT_SDL_PIN);
giovannivisentini 11:d0665d9c28a6 94 XNucleoNFC02A1 *nfcNucleo = XNucleoNFC02A1::instance(i2cChannel,
Davidroid 13:17208d6d9971 95 XNucleoNFC02A1::DEFAULT_GPO_PIN,XNucleoNFC02A1::DEFAULT_RF_DISABLE_PIN,
Davidroid 13:17208d6d9971 96 XNucleoNFC02A1::DEFAULT_LED1_PIN,XNucleoNFC02A1::DEFAULT_LED2_PIN,
Davidroid 13:17208d6d9971 97 XNucleoNFC02A1::DEFAULT_LED3_PIN);
rosarium 0:892175366555 98
giovannivisentini 11:d0665d9c28a6 99 NDefLib::NDefNfcTag& tag =nfcNucleo->get_M24LR().get_NDef_tag();
giovannivisentini 11:d0665d9c28a6 100 M24LR & mM24LRp = nfcNucleo->get_M24LR();
rosarium 2:6f1b1f7f8d12 101
Davidroid 13:17208d6d9971 102 /* Enabling Energy Harvesting. */
giovannivisentini 11:d0665d9c28a6 103 mM24LRp.enable_energy_harvesting();
rosarium 0:892175366555 104
rosarium 0:892175366555 105 printf("System Initialization done: !\n\r");
rosarium 0:892175366555 106
Davidroid 13:17208d6d9971 107 /* Opening the i2c session with the nfc chip. */
Davidroid 13:17208d6d9971 108 if (tag.open_session() == true) {
rosarium 2:6f1b1f7f8d12 109 printf("Session opened\n\r");
Davidroid 13:17208d6d9971 110 nfcNucleo->get_led1() = 1;
rosarium 2:6f1b1f7f8d12 111
Davidroid 13:17208d6d9971 112 /* Creating the NDef message and record. */
rosarium 2:6f1b1f7f8d12 113 NDefLib::Message msg;
rosarium 7:699836375630 114 NDefLib::RecordURI rUri(NDefLib::RecordURI::HTTP_WWW,"st.com/st25");
giovannivisentini 11:d0665d9c28a6 115 msg.add_record(&rUri);
rosarium 2:6f1b1f7f8d12 116
Davidroid 13:17208d6d9971 117 /* Writing the tag. */
Davidroid 13:17208d6d9971 118 if (tag.write(msg) == true) {
rosarium 2:6f1b1f7f8d12 119 printf("Tag written\n\r");
Davidroid 13:17208d6d9971 120 nfcNucleo->get_led2() = 1;
Davidroid 13:17208d6d9971 121 } else {
rosarium 2:6f1b1f7f8d12 122 printf("Error writing \n\r");
Davidroid 13:17208d6d9971 123 nfcNucleo->get_led1() = 0;
Davidroid 13:17208d6d9971 124 } //if-else
rosarium 2:6f1b1f7f8d12 125
Davidroid 13:17208d6d9971 126 /* Closing the i2c session. */
Davidroid 13:17208d6d9971 127 if (tag.close_session() == true) {
Davidroid 13:17208d6d9971 128 printf("Session closed\n\r");
Davidroid 13:17208d6d9971 129 nfcNucleo->get_led3() = 1;
Davidroid 13:17208d6d9971 130 } else {
Davidroid 13:17208d6d9971 131 printf("Error closing the session\n\r");
Davidroid 13:17208d6d9971 132 } //if-else
Davidroid 13:17208d6d9971 133 } else {
Davidroid 13:17208d6d9971 134 printf("Error opening the session\n\r");
rosarium 2:6f1b1f7f8d12 135 }
Davidroid 13:17208d6d9971 136
giovannivisentini 9:0bd2f0c13d3d 137 #if defined(TARGET_STM)
Davidroid 13:17208d6d9971 138 /* enable the button */
Davidroid 13:17208d6d9971 139 InterruptIn mybutton(USER_BUTTON);
Davidroid 13:17208d6d9971 140
Davidroid 13:17208d6d9971 141 mybutton.fall(set_button_press);
rosarium 8:9bdd16ebccfb 142
Davidroid 13:17208d6d9971 143 /* Each second change the led status and see if the user press the button. */
Davidroid 13:17208d6d9971 144 while(1) {
Davidroid 13:17208d6d9971 145 if (buttonPress) {
Davidroid 13:17208d6d9971 146 /* Writing the read message on console. */
Davidroid 13:17208d6d9971 147 read_and_print_nfc_tag(tag);
Davidroid 13:17208d6d9971 148 buttonPress=false;
rosarium 8:9bdd16ebccfb 149 }
Davidroid 13:17208d6d9971 150 }
giovannivisentini 9:0bd2f0c13d3d 151 #else
Davidroid 13:17208d6d9971 152 read_and_print_nfc_tag(tag);
rosarium 8:9bdd16ebccfb 153 #endif
rosarium 0:892175366555 154 }
rosarium 0:892175366555 155
rosarium 2:6f1b1f7f8d12 156
rosarium 2:6f1b1f7f8d12 157 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/