X-NUCLEO-NFC01A1 Dynamic NFC Tag Expansion Board Firmware Package

Diff: main.cpp

Revision:

0:79807a600c87

Child:

1:f008324c60ab

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jan 28 16:39:49 2016 +0000
@@ -0,0 +1,158 @@
+/**
+  ******************************************************************************
+  * @file       Sample_async.cpp
+  * @date       22/01/2016
+  * @brief      Test the async comunication api
+  ******************************************************************************
+  *
+  * 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 "m24sr/NDefNfcTagM24SR.h"
+#include "NDefLib/RecordType/RecordURI.h"
+
+/**
+ * Chain of callback that will crate a Uri record and write it.
+ * After each operation the class will switch on a led
+ */
+class WriteUriCallbacks : public NDefLib::NDefNfcTag::Callback{
+
+    DigitalOut &mOnOpenSession;
+    DigitalOut &mOnWrite;
+    DigitalOut &mOnCloseSession;
+
+public:
+
+    /**
+     * create the callback chain
+     * @param onOpenSession led to switch on when the session open
+     * @param onWrite led to switch on when the write end
+     * @param onCloseSession led to switch on when the session end
+     */
+    WriteUriCallbacks(DigitalOut &onOpenSession,DigitalOut &onWrite,
+            DigitalOut &onCloseSession):mOnOpenSession(onOpenSession),
+                    mOnWrite(onWrite),mOnCloseSession(onCloseSession){};
+
+    /**
+     * crate the new message and write it
+     * @param tag tag where write the message
+     * @param success true if the session correctly open
+     */
+    virtual void onSessionOpen(NDefLib::NDefNfcTag *tag,bool success){
+        if(!success){
+            printf("Error OpenSession\n\r");
+        }//else
+        printf("Session Open\n\r");
+        //ask to have an interrupt when the command finish
+        mOnOpenSession=1;
+        NDefLib::Message msg;
+
+        NDefLib::RecordURI rUri(NDefLib::RecordURI::HTTP_WWW,"http://www.st.com");
+        msg.addRecord(&rUri);
+
+        tag->write(msg);
+    }
+
+    /**
+     * request to close the session
+     * @param tag tag where close the session
+     * @param success true if the message is correctly wrote
+     * @param message wrote
+     */
+    virtual void onMessageWrite(NDefLib::NDefNfcTag *tag,bool success,
+            const NDefLib::Message&){
+
+        if(!success)
+            printf("Error writing tag!\n\r");
+        else{
+            printf("Tag Wrote!\n\r");
+            mOnWrite=1;
+        }//if-else
+        tag->closeSession();
+    }
+
+    /**
+     * switch on the led
+     * @param tag where the session is closed
+     * @param success true if the session is correctly close
+     */
+    virtual void onSessionClose(NDefLib::NDefNfcTag*,bool success){
+        if(success){
+            printf("Session closed\n\r");
+            mOnCloseSession=1;
+        }else
+            printf("Error Session closed\n\r");
+    }
+
+};
+
+/** variable set to true when we receive an interrupt from the nfc component*/
+static bool nfcInterruptFlag;
+
+/** Nfc ISR called when the nfc component has a message ready*/
+static void nfcInterruptCallback(){
+    nfcInterruptFlag=true;
+}//nfcInterruptCallback
+
+int main(int argc,char *args[]){
+    (void)argc; (void)args;
+
+    //create the nfc component
+    I2C i2cChannel(X_NUCLEO_NFC01A1::DEFAULT_SDA_PIN,X_NUCLEO_NFC01A1::DEFAULT_SDL_PIN);
+    X_NUCLEO_NFC01A1 *nfcNucleo = X_NUCLEO_NFC01A1::Instance(i2cChannel,&nfcInterruptCallback,
+            X_NUCLEO_NFC01A1::DEFAULT_GPO_PIN,X_NUCLEO_NFC01A1::DEFAULT_RF_DISABLE_PIN,
+            X_NUCLEO_NFC01A1::DEFAULT_LED1_PIN,X_NUCLEO_NFC01A1::DEFAULT_LED2_PIN,
+            X_NUCLEO_NFC01A1::DEFAULT_LED3_PIN);
+
+    //No call back needed since default behavior is sync
+    nfcNucleo->getM24SR().GetSession();
+    nfcNucleo->getM24SR().ManageI2CGPO(I2C_ANSWER_READY); //switch to async mode
+
+    NDefLib::NDefNfcTag &tag = nfcNucleo->getM24SR().getNDefTag();
+    printf("System Init done!\n\r");
+
+    //crate the callback to use for write a tag
+    WriteUriCallbacks NDefCallback(nfcNucleo->getLed1(),nfcNucleo->getLed2(),nfcNucleo->getLed3());
+    tag.setCallBack(&NDefCallback); //set the callback
+    tag.openSession(); //start the callback chain
+
+    printf("Start Main Loop\n\r");
+    while(true){
+        if(nfcInterruptFlag){
+            nfcInterruptFlag=false;
+            //manage an async event from the nfc component
+            nfcNucleo->getM24SR().ManageEvent();
+
+        }//if
+        __WFE();
+    }//while
+
+    //return 0;
+}