testschedulerc.nc

tinyos-2.x.rar

// $Id: TestSchedulerC.nc,v 1.4 2006/12/12 18:22:50 vlahan Exp $

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/**
 * TestScheduler is a simple scheduler test that posts three CPU
 * intensive tasks of different durations. It is not intended to be
 * of great use to TinyOS programmers; rather, it is a sanity check
 * for schedulers. For details and information on how to
 * replace the scheduler, refer to TEP 106.
 *
 * @author Philip Levis
 * @date Aug 10 2005
 * @see TEP 106: Tasks and Schedulers
 */

#include "Timer.h"

module TestSchedulerC {
  uses interface Leds;
  uses interface Boot;
  uses interface TaskBasic as TaskRed;
  uses interface TaskBasic as TaskGreen;
  uses interface TaskBasic as TaskBlue;
}
implementation {

  event void TaskRed.runTask() {
    uint16_t i, j;
    for (i= 0; i < 50; i++) {
      for (j = 0; j < 10000; j++) {}
    }
    call Leds.led0Toggle();

    if (call TaskRed.postTask() == FAIL) {
      call Leds.led0Off();
    }
    else {
      call TaskRed.postTask();
    }
  }

  event void TaskGreen.runTask() {
    uint16_t i, j;
    for (i= 0; i < 25; i++) {
      for (j = 0; j < 10000; j++) {}
    }
    call Leds.led1Toggle();

    if (call TaskGreen.postTask() == FAIL) {
      call Leds.led1Off();
    }
  }

  event void TaskBlue.runTask() {
    uint16_t i, j;
    for (i= 0; i < 5; i++) {
      for (j = 0; j < 10000; j++) {}
    }
    call Leds.led2Toggle();

    if (call TaskBlue.postTask() == FAIL) {
      call Leds.led2Off();
    }
  }

  
  
  /**
   * Event from Main that TinyOS has booted: start the timer at 1Hz.
   */
  event void Boot.booted() {
    call Leds.led2Toggle();
    call TaskRed.postTask();
    call TaskGreen.postTask();
    call TaskBlue.postTask();
  }

}