Diff: IO/IOSample802.h

Revision:

3:8662ebe83570

Parent:

0:fcaad0dfa051

Child:

4:629712865107

--- a/IO/IOSample802.h	Thu May 14 16:21:39 2015 +0200
+++ b/IO/IOSample802.h	Mon May 18 13:16:55 2015 +0200
@@ -1,6 +1,4 @@
 /**
- * Digi XBee library for mbed. This is the only header you have to include from your application to use the library.
- *
  * Copyright (c) 2015 Digi International Inc.,
  * All rights not expressly granted are reserved.
  *
@@ -8,7 +6,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/.
  *
- * Digi International Inc. 11001 Bren Road East, Minnetonka, MN 55343.
+ * Digi International Inc. 11001 Bren Road East, Minnetonka, MN 55343
+ * =======================================================================
  */
 
 #ifndef _IO_IOSAMPLE802_H_
@@ -25,7 +24,7 @@
          *  @param raw_data The IO Sample data, as returned by an "IS" command response or in the Io16Bit (0x83) or Io64Bit (0x82) frames
          *  @param size size (in bytes) of raw_data
          */
-        IOSample802(const uint8_t* const raw_data, size_t size);
+        IOSample802(const uint8_t* const raw_data = NULL, size_t size = 0);
 
         /** Class destructor */
         ~IOSample802();
@@ -50,6 +49,14 @@
          */
         RadioStatus get_adc(XBee802::IoLine line, uint16_t* const val) const;
 
+        /** is_valid - checks if the IOSample802 object has at least one DIO or ADC sample.
+         *  @returns true if valid, false otherwise
+         */
+        inline bool is_valid()
+        {
+            return _channel_mask == 0;
+        }
+
     protected:
         uint16_t _channel_mask;
         uint8_t _sampled_data[MAX_IO_SAMPLE_802_LEN];