Adam Green / Mbed 2 deprecated WeatherStation

Web server based weather station using Sparkfun Weather Meters.

Dependencies:   FatFileSystem mbed WeatherMeters SDFileSystem

NetStack/lwip/netif/ppp/magic.c@0:616601bde9fb, 2012-02-23 (annotated)

Committer:
AdamGreen
Date:
Thu Feb 23 21:38:39 2012 +0000
Revision:
0:616601bde9fb

        

        
Who changed what in which revision?

        

            
                
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/*****************************************************************************





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* magic.c - Network Random Number Generator program file.





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*





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* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.





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* portions Copyright (c) 1997 by Global Election Systems Inc.





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*





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* The authors hereby grant permission to use, copy, modify, distribute,





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* and license this software and its documentation for any purpose, provided





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* that existing copyright notices are retained in all copies and that this





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* notice and the following disclaimer are included verbatim in any 





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* distributions. No written agreement, license, or royalty fee is required





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* for any of the authorized uses.





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*





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* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR





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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES





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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 





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* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,





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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT





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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,





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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY





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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT





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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF





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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.





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*





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******************************************************************************





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* REVISION HISTORY





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*





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* 03-01-01 Marc Boucher <marc@mbsi.ca>





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*   Ported to lwIP.





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* 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.





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*   Original based on BSD magic.c.





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*****************************************************************************/





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/*





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 * magic.c - PPP Magic Number routines.





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 *





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 * Copyright (c) 1989 Carnegie Mellon University.





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 * All rights reserved.





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 *





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 * Redistribution and use in source and binary forms are permitted





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 * provided that the above copyright notice and this paragraph are





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 * duplicated in all such forms and that any documentation,





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 * advertising materials, and other materials related to such





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 * distribution and use acknowledge that the software was developed





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 * by Carnegie Mellon University.  The name of the





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 * University may not be used to endorse or promote products derived





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 * from this software without specific prior written permission.





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 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR





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 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED





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 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.





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 */





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#include "lwip/opt.h"





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#if PPP_SUPPORT





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#include "ppp.h"





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#include "randm.h"





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#include "magic.h"





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/*





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 * magicInit - Initialize the magic number generator.





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 *





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 * Since we use another random number generator that has its own





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 * initialization, we do nothing here.





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 */





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void magicInit()





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{





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  return;





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}





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/*





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 * magic - Returns the next magic number.





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 */





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u32_t magic()





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{





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  return avRandom();





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}





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#endif /* PPP_SUPPORT */