tlv.h

00001 /*
00002     Copyright (c) 2010 Andy Kirkham
00003  
00004     Permission is hereby granted, free of charge, to any person obtaining a copy
00005     of this software and associated documentation files (the "Software"), to deal
00006     in the Software without restriction, including without limitation the rights
00007     to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008     copies of the Software, and to permit persons to whom the Software is
00009     furnished to do so, subject to the following conditions:
00010  
00011     The above copyright notice and this permission notice shall be included in
00012     all copies or substantial portions of the Software.
00013  
00014     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00020     THE SOFTWARE.
00021 */
00022 
00023 #ifndef TLV_H
00024 #define TLV_H
00025 
00026 #ifndef MBED_H
00027 #include "mbed.h"
00028 #endif
00029 
00030 class tlv_header {
00031 public:
00032     uint16_t    typeLength;
00033     tlv_header() { typeLength = 0; }
00034     int copy (char *s);
00035     void setType(int type) { typeLength |= ((type & 0x7F) << 9); }
00036     int  getType(void) { return (typeLength >> 9) & 0x7F; }
00037     void setLength(int len) { typeLength |= (len & 0x1FF); }
00038     int  getLength(void) { return typeLength & 0x1FF; }
00039     //void setType(int type) { typeLength |= (type & 0x7F); }
00040     //int  getType(void) { return typeLength & 0x7F; }
00041     //void setLength(int len) { typeLength |= ((len & 0x1FF) << 7); }
00042     //int  getLength(void) { return (typeLength >> 7) & 0x1FF; }
00043 };
00044 
00045 class tlv_payload {
00046 public:
00047     char   *pointer;
00048     int     length;
00049     tlv_payload() { length = 0; pointer = NULL; }
00050 };
00051 
00052 #endif