Diff: Samples/SampleSync_countClick.cpp

Revision:

13:685d95525ec8

Child:

15:94c98d2aa235

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Samples/SampleSync_countClick.cpp	Mon Feb 01 15:33:26 2016 +0000
@@ -0,0 +1,112 @@
+/**
+  ******************************************************************************
+  * @file       Sample_countClick.cpp
+  * @author     ST / Central Labs
+  * @date       03 Dic 2015
+  * @brief      This demo define a custom record that contains the number of time 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"
+#include "NDefLib/NDefNfcTag.h"
+#include "MyRecord.h"
+
+/* Write a nfc message into a tag
+ * @param nfcNucleo Board where write the data.
+ * @param msg Message to write.
+ */
+static void writeMessage(X_NUCLEO_NFC01A1 *nfcNucleo,NDefLib::Message &msg){
+    NDefLib::NDefNfcTag& tag = nfcNucleo->getM24SR().getNDefTag();
+    //open the i2c session with the nfc chip
+    if(tag.openSession()){
+        nfcNucleo->getLed1()=! nfcNucleo->getLed1();
+        
+        //write the tag
+        if(tag.write(msg)){
+            nfcNucleo->getLed2()=!nfcNucleo->getLed2();
+        }//if
+
+        //close the i2c session
+        if(tag.closeSession())
+            nfcNucleo->getLed3()=!nfcNucleo->getLed3();
+    }//if open session
+}//writeMessage
+
+
+static volatile bool buttonPress=false; /// true when the user press the message
+
+/**
+ * Call back called when the user press the button.
+ */
+static void setButtonPress(){
+    buttonPress=true;
+}//if buttonPress
+
+/**
+ * Write a castum record that count how many times the user press the button.
+ */
+void sampleSync_countClick() {
+    
+    //instance the board with the default paramiters
+    I2C i2cChannel(X_NUCLEO_NFC01A1::DEFAULT_SDA_PIN,X_NUCLEO_NFC01A1::DEFAULT_SDL_PIN);
+    X_NUCLEO_NFC01A1 *nfcNucleo = X_NUCLEO_NFC01A1::Instance(i2cChannel);
+    
+    //retrieve the NdefLib interface
+    NDefLib::NDefNfcTag& tag = nfcNucleo->getM24SR().getNDefTag();
+    
+    //set the button interrupt
+    InterruptIn userButton(USER_BUTTON);    
+    //InterruptIn userButton(SW1);    
+    userButton.fall(setButtonPress);
+    
+    //create the NDef message and record
+    NDefLib::Message msg;
+    MyRecord rClickCount;
+    msg.addRecord(&rClickCount);
+    
+    writeMessage(nfcNucleo,msg);
+    
+    while(true){
+        
+        if(buttonPress){
+            //change the record content
+            rClickCount.incrementClick();
+            //write the new record content
+            writeMessage(nfcNucleo,msg);  
+            //wait a new button press          
+            buttonPress=false;
+        }//if
+        //wait next event
+        __WFE();
+    }//while
+
+}//sample_countClick
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