sleeptime.nc

来自「tinyos-2.x.rar」· NC 代码 · 共 67 行

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/**
 * Interface to control the duty cycle of the MAC
 * @author Andreas Koepke (koepke at tkn.tu-berlin.de)
 */ 
interface Sleeptime {
  /**
   * set the sleep time of the MAC in units of a 32kHz clock, the setting
   * takes effect on the next wakeup.
   * 
   * Caution 1: To avoid synchroninization of the wake up times, some
   *             additional randomization can be necessary, esp. when
   *             switching from shorter to longer sleep times.
   * Caution 2: The local sleep time must be equal or shorter than the
   *            network sleep time
   */
  async command void setLocalSleeptime(uint16_t sT);
  
  /**
   * which sleep time is in effect?
   */
  async command uint16_t getLocalSleeptime();

  /**
   * set the expected sleep time of the network -- this defines how long this
   * node will attempt to wake up a remote node.
   * Caution: The local sleep time must be equal or shorter than the
   *          network sleep time
   */
  async command void setNetworkSleeptime(uint16_t sT);
  
  /**
   * how long do we expect our neighbors to sleep?
   */
  async command uint16_t getNetworkSleeptime();
  
}