getperiod.cpp

来自「一个很棒的网络控制系统仿真软件」· C++ 代码 · 共 47 行

#ifndef GET_PERIOD
#define GET_PERIOD

#include "gettask.cpp"

// get period of calling task
double ttGetPeriod() {

  if (rtsys->executing == NULL) {
    MEX_ERROR("ttGetPeriod: No running task!");
    return 0.0;
  }

  if (rtsys->executing->perTimer == NULL) {
    char buf[200];
    sprintf(buf,"ttGetPeriod: Task '%s' is not periodic!", rtsys->executing->name);
    MEX_ERROR(buf);
    return 0.0;
  }

  return rtsys->executing->perTimer->period;
}

// get deadline of specific task
double ttGetPeriod(char *nameOfTask) {
    
  Task* task = getTask(nameOfTask);

  if (task == NULL) {
    char buf[200];
    sprintf(buf, "ttGetPeriod: Non-existent task '%s'!", nameOfTask);
    MEX_ERROR(buf);
    return 0.0;
  }

  if (task->perTimer == NULL) {
    char buf[200];
    sprintf(buf, "ttGetPeriod: Task '%s' is not periodic!", nameOfTask);
    MEX_ERROR(buf);
    return 0.0;
  }

  return task->perTimer->period;
}

#endif