spatial_model.c

用于传感器网络的节点操作系统 TinyOS 结构设计非常有意思

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/*
 *
 * Authors:             Philip Levis
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/*
 *   FILE: spatial_model.c
 * AUTHOR: pal
 *   DESC: Implementation of simple spatial model.
 *
 *   This file declares the interface used by NIDO for spatial simulation.
 *
 *   A data pointer is provided so that large structures can be
 *   dynamically allocated. Otherwise, the simulation has to allocate
 *   the regions of memory for every model, even though only one is in use.
 */

point3D* points;

void simple_spatial_init() {
  int i;
  points = (point3D*)malloc(sizeof(point3D) * TOSNODES);

  for (i = 0; i < TOSNODES; i++) {
    points[i].xCoordinate = (double)(rand() % 1000);
    points[i].yCoordinate = (double)(rand() % 1000);
    points[i].zCoordinate = (double)(rand() % 1000);
  }

}

void simple_spatial_get_position(int moteID, long long ftime, point3D* point) {
  point->xCoordinate = points[moteID].xCoordinate;
  point->yCoordinate = points[moteID].yCoordinate;
  point->zCoordinate = points[moteID].zCoordinate;
}


spatial_model* create_simple_spatial_model() {
  spatial_model* model = (spatial_model*)(malloc(sizeof(spatial_model)));
  model->init = simple_spatial_init;
  model->get_position = simple_spatial_get_position;

  return model;
}