m16c62pinterruptc.nc

tinyos-2.x.rar

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/* "Copyright (c) 2000-2005 The Regents of the University of California.  
 * All rights reserved.
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 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
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 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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 *
 * @author Joe Polastre
 * @author Martin Turon
 */
 
/**
 * Creates a HIL interrupt component from a M16c/62p interrupt.
 *
 * @author Henrik Makitaavola <[e-mail]>
 */
generic module M16c62pInterruptC()
{
  provides interface GpioInterrupt;
  uses interface HplM16c62pInterrupt;
}
implementation {
  async command error_t GpioInterrupt.enableRisingEdge()
  {
    atomic
    {
      call HplM16c62pInterrupt.disable();
      call HplM16c62pInterrupt.edge(true);
      call HplM16c62pInterrupt.clear();
      call HplM16c62pInterrupt.enable();
    }
    return SUCCESS;
  }

  async command error_t GpioInterrupt.enableFallingEdge()
  {
    atomic
    {
      call HplM16c62pInterrupt.disable();
      call HplM16c62pInterrupt.edge(false);
      call HplM16c62pInterrupt.clear();
      call HplM16c62pInterrupt.enable();
    }
    return SUCCESS;
  }

  async command error_t GpioInterrupt.disable()
  {
    atomic
    {
      call HplM16c62pInterrupt.disable();
      call HplM16c62pInterrupt.clear();
    }
    return SUCCESS;
  }

  async event void HplM16c62pInterrupt.fired()
  {
    signal GpioInterrupt.fired();
  }

  default async event void GpioInterrupt.fired() { }
}