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This application provides a set of demos with X-NUCLEO-NFC01A1 expansion board.
Dependencies: NDefLib X_NUCLEO_NFC01A1 mbed
Fork of X-MBED-NFC1 by
This application provides a set of demos with X-NUCLEO-NFC01A1 expansion board.
The available demos are:
- SAMPLE_WRITE_URL: write a tag with the ST home page URL
- SAMPLE_COUNT_CLICK: create a custom tag to count and report the user button clicks.
- SAMPLE_WRITE_AND_CHANGE_ALL: write a tag with all the supported records and update the tag contents when the user button is pressed.
- SAMPLE_LOCK_TAG_CONTENT: use the M24SR component API to set the NFC tag as read-only.
To enable the different demos comment/uncomment the SAMPLE_* macros provided in main.cpp .
Samples/SampleSync_lockWriteTag.cpp
- Committer:
- giovannivisentini
- Date:
- 2016-02-01
- Revision:
- 13:685d95525ec8
- Child:
- 14:3b604972b89f
File content as of revision 13:685d95525ec8:
/** ****************************************************************************** * @file Sample_lockWriteTag.cpp * @author ST / Central Labs * @date 03 Dic 2015 * @brief This demo define a lock/unlock the tag content when the user press * the user button ****************************************************************************** * * COPYRIGHT(c) 2015 STMicroelectronics * * 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 "X_NUCLEO_NFC01A1.h" static bool buttonPress=false; /// true when the user press the message static bool nfcEvent=false; /// true when the user press the message static void setNfcEventCallback(){ nfcEvent=true; }//if buttonPress /** * Call back called when the user press the button. */ static void setButtonPress(){ buttonPress=true; }//if buttonPress /** * Class with the command chain needed for remove all the read/write password */ class RemoveAllPasswordStatusCallback : public Nfc::Callback { public: RemoveAllPasswordStatusCallback():mIsComamndRunning(false){} /** * true when the command chain finish, and the the tag can now be read and write * @return true if the command chain finish */ bool isFinish(){ return !mIsComamndRunning; } private: bool mIsComamndRunning; /// false when the command chain finish /** * end the command chain and print an error message * @param status error code of the last command */ void onError(const NFC_StatusTypeDef status){ mIsComamndRunning=false; printf("Error Code: %X \r\n",status); } virtual void onSessionOpen(Nfc *tag,NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); mIsComamndRunning=true; tag->SelectApplication(); } virtual void onSelectedApplication(Nfc *tag,NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); tag->SelectNDEFfile(0x0001); } virtual void onSelectedNDEFFile(Nfc *tag,NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); tag->DisableAllPassword(M24SR::DEFAULT_PASSWORD); } virtual void onDisableAllPassword(Nfc *tag, NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); tag->Deselect(); } virtual void onDeselect(Nfc *,NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); mIsComamndRunning=false; } }; /** * Chain of call needed for change the tag status between read only and write/read */ class ChangeTagStatusCallback : public Nfc::Callback { M24SR &mNfcTag; /// object to change DigitalOut& mReadOnlyLed; /// led to switch on when it is in read only mode DigitalOut& mReadWriteWriteLed; /// led to switch on when is in read/write mode bool mIsReadOnly; /// current tag status bool mIsComamndRunning; /// true if the chain is running public: /** * Build a chain of callback needed for change the tag status. * @param nfcTag Tag to change. * @param readLed Led to switch on when in read only mode. * @param writeLed Led to switch on when in read/write mode. */ ChangeTagStatusCallback(M24SR &nfcTag, DigitalOut& readLed, DigitalOut& writeLed): mNfcTag(nfcTag),mReadOnlyLed(readLed),mReadWriteWriteLed(writeLed),mIsReadOnly(false), mIsComamndRunning(false){ mReadOnlyLed=false; mReadWriteWriteLed=true; } /** * Change the tag status */ void changeStatus(){ mIsReadOnly=!mIsReadOnly; //if it is not running a previous command if(!mIsComamndRunning){ mNfcTag.GetSession(); }//if }//changeStatus; private: /** * When an error happen switch on both the led and print the error code. * @param status Error code. */ void onError(const NFC_StatusTypeDef status){ mIsComamndRunning=false; mReadOnlyLed=true; mReadWriteWriteLed=true; printf("Error %X changing the status\r\n",status); } virtual void onSessionOpen(Nfc *,NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); mNfcTag.SelectApplication(); } virtual void onSelectedApplication(Nfc *,NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); mNfcTag.SelectNDEFfile(0x0001); } virtual void onSelectedNDEFFile(Nfc *,NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); if(mIsReadOnly){ mNfcTag.EnableReadOnly(M24SR::DEFAULT_PASSWORD); }else mNfcTag.DisableReadOnly(M24SR::DEFAULT_PASSWORD); } virtual void onEnableReadOnly(Nfc *,NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); if(!mIsReadOnly) //if in the meantime the status change mNfcTag.DisableReadOnly(M24SR::DEFAULT_PASSWORD); else{ mReadOnlyLed=true; mReadWriteWriteLed=false; mNfcTag.Deselect(); } } virtual void onDisableReadOnly(Nfc *,NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); if(mIsReadOnly) //if in the meantime the status change mNfcTag.EnableReadOnly(M24SR::DEFAULT_PASSWORD); else{ mReadOnlyLed=false; mReadWriteWriteLed=true; mNfcTag.Deselect(); } } virtual void onDeselect(Nfc *,NFC_StatusTypeDef status){ if(status!=NFC_SUCCESS) return onError(status); mIsComamndRunning=false; } }; /** * When the user press the button enable/disable the tag write protection. */ void sample_lockTagContent() { //instance the board with the default parameters I2C i2cChannel(X_NUCLEO_NFC01A1::DEFAULT_SDA_PIN,X_NUCLEO_NFC01A1::DEFAULT_SDL_PIN); X_NUCLEO_NFC01A1 *nfcNucleo = X_NUCLEO_NFC01A1::Instance(i2cChannel,&setNfcEventCallback); //when the user press the button set buttonPress to true InterruptIn userButton(USER_BUTTON); userButton.fall(setButtonPress); M24SR &nfcTag =nfcNucleo->getM24SR(); //set async mode if(nfcTag.GetSession()!=NFC_SUCCESS) nfcTag.ManageI2CGPO(I2C_ANSWER_READY); ChangeTagStatusCallback changeTagStatus(nfcTag,nfcNucleo->getLed2(),nfcNucleo->getLed3()); RemoveAllPasswordStatusCallback removeAllPasswordStatusCallback; nfcTag.SetCallback(&removeAllPasswordStatusCallback); nfcTag.GetSession(); nfcNucleo->getLed1()=true; while(true){ if(buttonPress && removeAllPasswordStatusCallback.isFinish()){ buttonPress=false; nfcTag.SetCallback(&changeTagStatus); changeTagStatus.changeStatus(); }//if if(nfcEvent){ nfcEvent=false; nfcTag.ManageEvent(); } //wait next event __WFE(); }//while }//sample_countClick