WizFi250_util.cpp

00001 /*
00002  * Copyright (C) 2013 gsfan, MIT License
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00005  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00006  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00007  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00008  * furnished to do so, subject to the following conditions:
00009  *
00010  * The above copyright notice and this permission notice shall be included in all copies or
00011  * substantial portions of the Software.
00012  *
00013  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00014  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00015  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00016  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00017  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00018  */
00019 /* Copyright (C) 2014 Wiznet, MIT License
00020  *  port to the Wiznet Module WizFi250
00021  */
00022 
00023 #include "WizFi250.h"
00024 
00025 int WizFi250::x2i(char c)
00026 {
00027     if ( c >= '0' && c <= '9')
00028     {
00029         return c - '0';
00030     }
00031     else if ( c >= 'A' && c <= 'F')
00032     {
00033         return c - 'A' + 10;
00034     }
00035     else if ( c >= 'a' && c <= 'f')
00036     {
00037         return c - 'a' + 10;
00038     }
00039 
00040     return 0;
00041 }
00042 
00043 int WizFi250::i2x(int i)
00044 {
00045     if ( i >= 0 && i <= 9 )
00046     {
00047         return i + '0';
00048     }
00049     else if ( i >= 10 && i <= 15 )
00050     {
00051         return i - 10 + 'A';
00052     }
00053 
00054     return 0;
00055 }