Diff: WriteUriCallbacks.h

Revision:

0:3e88cb856f63

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WriteUriCallbacks.h	Thu Aug 10 16:59:44 2017 +0000
@@ -0,0 +1,118 @@
+/**
+  ******************************************************************************
+  * @file       WriteUriCallbacks.h
+  * @date       12/07/2017
+  * @brief      Class to write a URI tag.
+  ******************************************************************************
+  *
+  * COPYRIGHT(c) 2017 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 "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::Callbacks {
+ 
+    DigitalOut &mOnOpenSession;
+    DigitalOut &mOnWrite;
+    DigitalOut &mOnCloseSession;
+    NDefLib::Message *msg;
+ 
+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 on_session_open(NDefLib::NDefNfcTag *tag,bool success) {
+        if (!success) {
+            printf("Error opening the session\r\n");
+        }//else
+        printf("Session opened\r\n");
+        //ask to have an interrupt when the command finish
+        mOnOpenSession=1;
+        mOnCloseSession=0;
+        
+        NDefLib::RecordURI *rUri = new NDefLib::RecordURI(NDefLib::RecordURI::HTTP_WWW,"http://www.st.com");
+		msg = new NDefLib::Message();
+        msg->add_record(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 on_message_write(NDefLib::NDefNfcTag *tag,bool success,
+        const NDefLib::Message&) {
+ 
+        if (!success) {
+            printf("Error writing tag!\r\n");
+        } else {
+            printf("Tag written!\r\n");
+            mOnWrite=1;
+        }//if-else
+			
+		NDefLib::Message::remove_and_delete_all_record(*msg);
+		delete msg;
+        tag->close_session();
+    }
+ 
+    /**
+     * switch on the led
+     * @param tag where the session is closed
+     * @param success true if the session is correctly close
+     */
+    virtual void on_session_close(NDefLib::NDefNfcTag*, bool success) {
+        if (success) {
+            printf("Session closed\r\n");
+            mOnCloseSession=1;
+            mOnOpenSession=0;
+            mOnWrite=0;
+        } else {
+            printf("Error closing the session\r\n");
+        }
+    }
+};