mcusleepc.nc

Develop Zigbee network real-time Os

/*
 * Copyright (c) 2007 University of Copenhagen
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the
 *   distribution.
 * - Neither the name of University of Copenhagen nor the names of
 *   its contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL STANFORD
 * UNIVERSITY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 *
 * Dummy sleep mode for 8051
 *
 * @author Martin Leopold <[e-mail]>
 */

#include "mcs51hardware.h"
#include <CC2430Timer.h>

module McuSleepC {
  provides {
    interface McuSleep;
    interface McuPowerState;
  }
}
implementation {
  
  async command void McuSleep.sleep() {
    // Allow interrupts to squize in... (See TEP112)
    __nesc_enable_interrupt();

    // Enable and disable right after each other does not work for cc2430
    //{ int i;  for(i=0 ; i<1 ; i++) { i; }  }

    // This gives us enough of a break..
    // (And should be changed to a real low power mode any time now =)
    SLEEP = (SLEEP & ~CC2430_SLEEP_MODE_MASK) | CC2430_SLEEP_POWERMODE_0; 

    __nesc_disable_interrupt();
  }

  async command void McuPowerState.update() {
  }
}