mehdi makhlouf / Mbed 2 deprecated M2M_2016_STM32

M2M im2ag M2PGI

Dependencies:   mbed X_NUCLEO_NFC01A1 NDefLib

main.cpp@9:3e718f4a0fbc, 2016-03-22 (annotated)

Committer:
Bayle38
Date:
Tue Mar 22 14:26:10 2016 +0000
Revision:
9:3e718f4a0fbc
Parent:
8:ccf083f26f3a 
Asynchronous !!!!

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ThibaudB 2:7183a6189b65 1
hellmak 0:4d794bbc5de1 2 #include "mbed.h"
hellmak 0:4d794bbc5de1 3
ThibaudB 2:7183a6189b65 4 #include "X_NUCLEO_NFC01A1.h"
ThibaudB 2:7183a6189b65 5 #include "NDefLib/NDefNfcTag.h"
hellmak 4:47b9a09a74bf 6 #include "NDefLib/Message.h"
ThibaudB 2:7183a6189b65 7 #include "NDefLib/RecordType/RecordURI.h"
hellmak 4:47b9a09a74bf 8 Serial pc(SERIAL_TX, SERIAL_RX);
hellmak 4:47b9a09a74bf 9 DigitalOut myled(LED1);
Bayle38 7:536aa5009d53 10 InterruptIn interrupt(D12);
ThibaudB 2:7183a6189b65 11 /**
ThibaudB 2:7183a6189b65 12 * Write a Ndef URI message linking to st.com site.
ThibaudB 2:7183a6189b65 13 */
Bayle38 9:3e718f4a0fbc 14
Bayle38 9:3e718f4a0fbc 15
Bayle38 9:3e718f4a0fbc 16 class WriteUriCallbacks : public NDefLib::NDefNfcTag::Callbacks{
Bayle38 9:3e718f4a0fbc 17
Bayle38 9:3e718f4a0fbc 18 DigitalOut &mOnOpenSession;
Bayle38 9:3e718f4a0fbc 19 DigitalOut &mOnWrite;
Bayle38 9:3e718f4a0fbc 20 DigitalOut &mOnCloseSession;
Bayle38 9:3e718f4a0fbc 21
Bayle38 9:3e718f4a0fbc 22 public:
Bayle38 9:3e718f4a0fbc 23
Bayle38 9:3e718f4a0fbc 24 /**
Bayle38 9:3e718f4a0fbc 25 * create the callback chain
Bayle38 9:3e718f4a0fbc 26 * @param onOpenSession led to switch on when the session open
Bayle38 9:3e718f4a0fbc 27 * @param onWrite led to switch on when the write end
Bayle38 9:3e718f4a0fbc 28 * @param onCloseSession led to switch on when the session end
Bayle38 9:3e718f4a0fbc 29 */
Bayle38 9:3e718f4a0fbc 30 WriteUriCallbacks(DigitalOut &onOpenSession,DigitalOut &onWrite,
Bayle38 9:3e718f4a0fbc 31 DigitalOut &onCloseSession):mOnOpenSession(onOpenSession),
Bayle38 9:3e718f4a0fbc 32 mOnWrite(onWrite),mOnCloseSession(onCloseSession){};
Bayle38 9:3e718f4a0fbc 33
Bayle38 9:3e718f4a0fbc 34 /**
Bayle38 9:3e718f4a0fbc 35 * crate the new message and write it
Bayle38 9:3e718f4a0fbc 36 * @param tag tag where write the message
Bayle38 9:3e718f4a0fbc 37 * @param success true if the session correctly open
Bayle38 9:3e718f4a0fbc 38 */
Bayle38 9:3e718f4a0fbc 39 virtual void onSessionOpen(NDefLib::NDefNfcTag *tag,bool success){
Bayle38 9:3e718f4a0fbc 40 if(!success){
Bayle38 9:3e718f4a0fbc 41 printf("Error opening the session\r\n");
Bayle38 9:3e718f4a0fbc 42 }//else
Bayle38 9:3e718f4a0fbc 43 printf("Session opened\r\n");
Bayle38 9:3e718f4a0fbc 44 //ask to have an interrupt when the command finish
Bayle38 9:3e718f4a0fbc 45 mOnOpenSession=1;
Bayle38 9:3e718f4a0fbc 46 NDefLib::Message msg;
Bayle38 9:3e718f4a0fbc 47
Bayle38 9:3e718f4a0fbc 48 NDefLib::RecordURI rUri(NDefLib::RecordURI::HTTP_WWW,"http://www.st.com");
Bayle38 9:3e718f4a0fbc 49 msg.addRecord(&rUri);
Bayle38 9:3e718f4a0fbc 50
Bayle38 9:3e718f4a0fbc 51 tag->write(msg);
Bayle38 9:3e718f4a0fbc 52 }
Bayle38 9:3e718f4a0fbc 53
Bayle38 9:3e718f4a0fbc 54 /**
Bayle38 9:3e718f4a0fbc 55 * request to close the session
Bayle38 9:3e718f4a0fbc 56 * @param tag tag where close the session
Bayle38 9:3e718f4a0fbc 57 * @param success true if the message is correctly wrote
Bayle38 9:3e718f4a0fbc 58 * @param message wrote
Bayle38 9:3e718f4a0fbc 59 */
Bayle38 9:3e718f4a0fbc 60 virtual void onMessageWrite(NDefLib::NDefNfcTag *tag,bool success,
Bayle38 9:3e718f4a0fbc 61 const NDefLib::Message&){
Bayle38 9:3e718f4a0fbc 62
Bayle38 9:3e718f4a0fbc 63 if(!success)
Bayle38 9:3e718f4a0fbc 64 printf("Error writing tag!\r\n");
Bayle38 9:3e718f4a0fbc 65 else{
Bayle38 9:3e718f4a0fbc 66 printf("Tag written!\r\n");
Bayle38 9:3e718f4a0fbc 67 mOnWrite=1;
Bayle38 9:3e718f4a0fbc 68 }//if-else
Bayle38 9:3e718f4a0fbc 69 tag->closeSession();
Bayle38 9:3e718f4a0fbc 70 }
Bayle38 9:3e718f4a0fbc 71
Bayle38 9:3e718f4a0fbc 72 /**
Bayle38 9:3e718f4a0fbc 73 * switch on the led
Bayle38 9:3e718f4a0fbc 74 * @param tag where the session is closed
Bayle38 9:3e718f4a0fbc 75 * @param success true if the session is correctly close
Bayle38 9:3e718f4a0fbc 76 */
Bayle38 9:3e718f4a0fbc 77 virtual void onSessionClose(NDefLib::NDefNfcTag*,bool success){
Bayle38 9:3e718f4a0fbc 78 if(success){
Bayle38 9:3e718f4a0fbc 79 printf("Error closing the session\r\n");
Bayle38 9:3e718f4a0fbc 80 mOnCloseSession=1;
Bayle38 9:3e718f4a0fbc 81 }else
Bayle38 9:3e718f4a0fbc 82 printf("Error opening the session\r\n");
Bayle38 9:3e718f4a0fbc 83 }
Bayle38 9:3e718f4a0fbc 84
Bayle38 9:3e718f4a0fbc 85 };
Bayle38 9:3e718f4a0fbc 86
Bayle38 9:3e718f4a0fbc 87 /** variable set to true when we receive an interrupt from the nfc component*/
Bayle38 9:3e718f4a0fbc 88 static bool nfcInterruptFlag;
Bayle38 9:3e718f4a0fbc 89
Bayle38 9:3e718f4a0fbc 90 /** Nfc ISR called when the nfc component has a message ready*/
Bayle38 9:3e718f4a0fbc 91 static void nfcInterruptCallback(){
Bayle38 9:3e718f4a0fbc 92 nfcInterruptFlag=true;
Bayle38 9:3e718f4a0fbc 93 }//nfcInterruptCallback
Bayle38 9:3e718f4a0fbc 94
hellmak 4:47b9a09a74bf 95 void init(){
hellmak 4:47b9a09a74bf 96 pc.baud(115200);
hellmak 4:47b9a09a74bf 97 pc.format(8,SerialBase::None, 1);
hellmak 4:47b9a09a74bf 98 }
hellmak 4:47b9a09a74bf 99
Bayle38 6:67e0ae676619 100 void tagDetect(){
Bayle38 6:67e0ae676619 101 pc.printf("Detected !!! \n");
Bayle38 6:67e0ae676619 102 }
Bayle38 9:3e718f4a0fbc 103 int main(int argc,char *args[]){
Bayle38 9:3e718f4a0fbc 104 (void)argc; (void)args;
Bayle38 9:3e718f4a0fbc 105
Bayle38 9:3e718f4a0fbc 106 //create the nfc component
ThibaudB 2:7183a6189b65 107 I2C i2cChannel(X_NUCLEO_NFC01A1::DEFAULT_SDA_PIN,X_NUCLEO_NFC01A1::DEFAULT_SDL_PIN);
Bayle38 9:3e718f4a0fbc 108 X_NUCLEO_NFC01A1 *nfcNucleo = X_NUCLEO_NFC01A1::Instance(i2cChannel,&nfcInterruptCallback,
ThibaudB 2:7183a6189b65 109 X_NUCLEO_NFC01A1::DEFAULT_GPO_PIN,X_NUCLEO_NFC01A1::DEFAULT_RF_DISABLE_PIN,
ThibaudB 2:7183a6189b65 110 X_NUCLEO_NFC01A1::DEFAULT_LED1_PIN,X_NUCLEO_NFC01A1::DEFAULT_LED2_PIN,
ThibaudB 2:7183a6189b65 111 X_NUCLEO_NFC01A1::DEFAULT_LED3_PIN);
Bayle38 9:3e718f4a0fbc 112
Bayle38 9:3e718f4a0fbc 113 //No call back needed since default behavior is sync
Bayle38 9:3e718f4a0fbc 114 nfcNucleo->getM24SR().GetSession();
Bayle38 9:3e718f4a0fbc 115 nfcNucleo->getM24SR().ManageI2CGPO(I2C_ANSWER_READY); //switch to async mode
Bayle38 9:3e718f4a0fbc 116
Bayle38 9:3e718f4a0fbc 117 NDefLib::NDefNfcTag &tag = nfcNucleo->getM24SR().getNDefTag();
Bayle38 9:3e718f4a0fbc 118 printf("System Init done!\n\r");
Bayle38 9:3e718f4a0fbc 119
Bayle38 9:3e718f4a0fbc 120 //crate the callback to use for write a tag
Bayle38 9:3e718f4a0fbc 121 WriteUriCallbacks NDefCallback(nfcNucleo->getLed1(),nfcNucleo->getLed2(),nfcNucleo->getLed3());
Bayle38 9:3e718f4a0fbc 122 tag.setCallback(&NDefCallback); //set the callback
Bayle38 9:3e718f4a0fbc 123 tag.openSession(); //start the callback chain
Bayle38 9:3e718f4a0fbc 124
Bayle38 9:3e718f4a0fbc 125 printf("Start Main Loop\n\r");
Bayle38 9:3e718f4a0fbc 126 while(true){
Bayle38 9:3e718f4a0fbc 127 if(nfcInterruptFlag){
Bayle38 9:3e718f4a0fbc 128 nfcInterruptFlag=false;
Bayle38 9:3e718f4a0fbc 129 //manage an async event from the nfc component
Bayle38 9:3e718f4a0fbc 130 nfcNucleo->getM24SR().ManageEvent();
Bayle38 9:3e718f4a0fbc 131
Bayle38 9:3e718f4a0fbc 132 }//if
Bayle38 9:3e718f4a0fbc 133 __WFE();
Bayle38 9:3e718f4a0fbc 134 }//while
Bayle38 9:3e718f4a0fbc 135
Bayle38 9:3e718f4a0fbc 136 //return 0;
ThibaudB 2:7183a6189b65 137 }