Adam Green / Mbed 2 deprecated WeatherStation

Web server based weather station using Sparkfun Weather Meters.

Dependencies:   FatFileSystem mbed WeatherMeters SDFileSystem

NetStack/lwip/core/sys.c@0:616601bde9fb, 2012-02-23 (annotated)

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

        

        
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/**





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 * @file





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 * lwIP Operating System abstraction





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 *





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 */





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/*





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 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.





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 * All rights reserved.





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 *





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 * Redistribution and use in source and binary forms, with or without modification,





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 * are permitted provided that the following conditions are met:





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 *





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 * 1. Redistributions of source code must retain the above copyright notice,





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 *    this list of conditions and the following disclaimer.





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 * 2. Redistributions in binary form must reproduce the above copyright notice,





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 *    this list of conditions and the following disclaimer in the documentation





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 *    and/or other materials provided with the distribution.





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 * 3. The name of the author may not be used to endorse or promote products





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 *    derived from this software without specific prior written permission.





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 *





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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED





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





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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT





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 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,





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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT





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 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS





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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN





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 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING





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 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY





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 * OF SUCH DAMAGE.





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 *





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 * This file is part of the lwIP TCP/IP stack.





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 *





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 * Author: Adam Dunkels <adam@sics.se>





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 *





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 */





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#include "lwip/opt.h"





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#include "lwip/sys.h"





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/* Most of the functions defined in sys.h must be implemented in the





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 * architecture-dependent file sys_arch.c */





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#if !NO_SYS





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/**





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 * Sleep for some ms. Timeouts are NOT processed while sleeping.





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 *





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 * @param ms number of milliseconds to sleep





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 */





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void





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sys_msleep(u32_t ms)





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{





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  if (ms > 0) {





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    sys_sem_t delaysem;





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    err_t err = sys_sem_new(&delaysem, 0);





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    if (err == ERR_OK) {





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      sys_arch_sem_wait(&delaysem, ms);





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      sys_sem_free(&delaysem);





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    }





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  }





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}





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#endif /* !NO_SYS */