Update NFC EEPROM Driver and add implementation

features/nfc/nfc/NFCEEPROM.h

@@ -68,12 +68,14 @@ namespace nfc {
 
     private:
         // Implementation of NFCEEPROMDriver::Delegate
-        virtual void has_started_session(bool success);
+        virtual void on_session_started(bool success);
-        virtual void has_read_bytes(bool success);
+        virtual void on_session_ended(bool success);
-        virtual void has_written_bytes(bool success);
+        virtual void on_bytes_read(size_t count);
-        virtual void has_set_size(bool success);
+        virtual void on_bytes_written(size_t count);
-        virtual void has_gotten_size(bool success, size_t size);
+        virtual void on_size_set(bool success);
-        virtual void has_erased_bytes(bool success);
+        virtual void on_size_gotten(bool success, size_t size);
+        virtual void on_bytes_erased(size_t count);
+        virtual void on_event();
     };
 
     /**

features/nfc/nfc/NFCEEPROMDriver.h

@@ -52,35 +52,35 @@ namespace nfc {
              * 
              * @param[in] success whether this operation succeeded
              */  
-            virtual void has_started_session(bool success) = 0;
+            virtual void on_session_started(bool success) = 0;
 
             /**
              * Completion of session end operation.
              * 
              * @param[in] success whether this operation succeeded
              */  
-            virtual void has_ended_session(bool success) = 0;
+            virtual void on_session_ended(bool success) = 0;
 
             /**
              * Completion of read operation.
              * 
-             * @param[in] success whether this operation succeeded
+             * @param[in] count number of bytes actually read
              */  
-            virtual void has_read_bytes(bool success) = 0;
+            virtual void on_bytes_read(size_t count) = 0;
 
             /**
              * Completion of write operation.
              * 
-             * @param[in] success whether this operation succeeded
+             * @param[in] count number of bytes actually written
              */  
-            virtual void has_written_bytes(bool success) = 0;
+            virtual void on_bytes_written(size_t count) = 0;
 
             /**
              * Completion of size setting operation.
              * 
              * @param[in] success whether this operation succeeded
              */  
-            virtual void has_set_size(bool success) = 0;
+            virtual void on_size_set(bool success) = 0;
 
             /**
              * Completion of size retrieval operation.
@@ -88,14 +88,21 @@ namespace nfc {
              * @param[in] success whether this operation succeeded
              * @param[out] the current addressable memory size
              */  
-            virtual void has_gotten_size(bool success, size_t size) = 0;
+            virtual void on_size_gotten(bool success, size_t size) = 0;
 
             /**
              * Completion of erasing operation.
              * 
-             * @param[in] success whether this operation succeeded
+             * @param[in] count number of bytes actually erased
              */  
-            virtual void has_erased_bytes(bool success) = 0;
+            virtual void on_bytes_erased(size_t count) = 0;
+
+            /**
+             * Signal the user that the process_events() need to be called
+             * 
+             * @note this function can be called in interrupt context
+             */
+            virtual void on_event();
         };
 
         /** 
@@ -111,6 +118,11 @@ namespace nfc {
          */ 
         virtual void reset() = 0;
 
+        /**
+         * Process events raised by the driver in interrupt context.
+         */ 
+        virtual void process_events();
+
         /**
          * Get the maximum memory size addressable by the EEPROM.
          */ 

features/nfc/source/nfc/NFCEEPROMDriver.cpp

@@ -0,0 +1,28 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2018 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "NFCEEPROMDriver.h"
+
+using namespace mbed;
+using namespace mbed::nfc;
+
+NFCEEPROMDriver::NFCEEPROMDriver() : _delegate(NULL) {
+
+}
+
+void NFCEEPROMDriver::set_delegate(Delegate* delegate) {
+    _delegate = delegate;
+}