Example #1
0
int
skin_inf_ask (void)
{
  static int tick = 0;
  sw_struct sw;

  printf ("inferior ask\n");

  sw_init (&sw);
  sw_set_name (&sw, "MyEncoder");

  sw.type = SW_SEN_ENCODER;
  sw.op = SW_SEN_ENCODER_SET;
  sw.data.encoder.resolution = 0.001;
  sw.data.encoder.mount.x = 1;
  sw.data.encoder.mount.y = 2;
  sw.data.encoder.mount.z = -3;
  sw.data.encoder.mount.roll = -0.1;
  sw.data.encoder.mount.pitch = -0.2;
  sw.data.encoder.mount.yaw = 0.3;
  sup_tell (&sw);

  ulapi_wait (500000000);

  sw.op = SW_SEN_ENCODER_STAT;
  sw.time = ulapi_time ();
  sw.data.encoder.tick = tick++;

  sup_tell (&sw);

  ulapi_wait (500000000);

  return 0;
}
static void emove_client_write_task_code(emove_client_write_task_args *args)
{
  ulapi_task_struct *task;
  int id;
  int period_nsecs;
  enum {OUTBUF_SIZE = 1024};
  char outbuf[OUTBUF_SIZE];
  int nchars;
  nist_kitting::emove_stat emove_stat;

  task = args->task;
  id = args->id;
  period_nsecs = args->period_nsecs;
  free(args);

  while (true) {
    ros::spinOnce();
    ulapi_mutex_take(&emove_stat_mutex);
    emove_stat = emove_stat_buf;
    ulapi_mutex_give(&emove_stat_mutex);

    /*
      uint8 type
      uint8 serial_number
      uint8 state
      uint8 status
      uint8 heartbeat
      float32 period
      float32 cycle
      float32 duration

      extern char *kitting_cmd_to_string(int s);
      extern char *rcs_state_to_string(int s);
      extern char *rcs_status_to_string(int s);
    */

    ulapi_snprintf(outbuf, sizeof(outbuf), "%s %d %s %s %d %s %s %s\n",
		   kitting_cmd_to_string(emove_stat.stat.type),
		   emove_stat.stat.serial_number,
		   rcs_state_to_string(emove_stat.stat.state),
		   rcs_status_to_string(emove_stat.stat.status),
		   emove_stat.stat.heartbeat,
		   emove_stat.name.c_str(), emove_stat.line.c_str(), emove_stat.crcl.c_str());
    outbuf[sizeof(outbuf)-1] = 0;
    nchars = ulapi_socket_write(id, outbuf, strlen(outbuf));
    if (nchars <= 0) break;

    ulapi_wait(period_nsecs);
  }

  ulapi_socket_close(id);

  if (debug) printf("emove client write handler %d done\n", id);

  ulapi_task_delete(task);

  return;
}
Example #3
0
rtapi_result
rtapi_wait(rtapi_integer period_nsec)
{
  return ulapi_wait(period_nsec);
}
void client_code(void *args)
{
  void *client_task;
  ulapi_integer client_id;
  client_db_struct *client_db_ptr;
  ulapi_integer debug;
  enum {BUFFERLEN = 256};
  char inbuf[BUFFERLEN];
  char outbuf[BUFFERLEN];
  ulapi_integer nchars;
  int number;
  int lastnumber = 0;

  client_task = ((client_args *) args)->client_task;
  client_id = ((client_args *) args)->client_id;
  client_db_ptr = ((client_args *) args)->client_db_ptr;
  debug = ((client_args *) args)->debug;
  free(args);

  /*
    The client thread asks for an update every second, blocks until
    it gets a response, prints it, and loops again.
  */

  for (;;) {
    ulapi_mutex_take(client_db_ptr->mutex);
    number = client_db_ptr->number;
    ulapi_mutex_give(client_db_ptr->mutex);

    if (number != lastnumber) {
      ulapi_snprintf(outbuf, sizeof(outbuf), "write %d", number);
      lastnumber = number;
    } else {
      ulapi_snprintf(outbuf, sizeof(outbuf), "read");
    }
    ulapi_socket_write(client_id, outbuf, strlen(outbuf)+1);

    nchars = ulapi_socket_read(client_id, inbuf, sizeof(inbuf)-1);

    if (-1 == nchars) {
      if (debug) printf("connection closed\n");
      break;
    }

    if (0 == nchars) {
      if (debug) printf("end of file\n");
      break;
    }
    inbuf[nchars] = 0;


    /*
      Parse and handle the message here as your application requires.
    */
    printf("%s\n", inbuf);

    ulapi_wait(1000000000);
  }

  ulapi_socket_close(client_id);
}
Example #5
0
static void state_connection_thread_code(state_connection_thread_args *args)
{
  void *thread;
  int id;
  double period;
  joint_traj_pt_state_message jsmsg;
  robot_status_message rsmsg;
  object_state_message obj_state(3);
  enum {OUTBUF_LEN = 1024};
  char outbuf[OUTBUF_LEN];
  int nchars, len;
  int which = 0;

  thread = args->thread;
  id = args->id;
  period = args->period;
  free(args);

  for (int t = 0; t < obj_state.object_number(); t++) {
    obj_state.objects[t].id = t + 1;
    obj_state.objects[t].x = t + 1.2;
    obj_state.objects[t].y = t - 3.4;
    obj_state.objects[t].z = t + 5.6;
    obj_state.objects[t].qx = 0;
    obj_state.objects[t].qy = 0;
    obj_state.objects[t].qz = sin(0.1*t);
    obj_state.objects[t].qw = cos(0.1*t);
  }

  while (true) {
    float p;
    int i;

    switch (which) {
    case 0:
      ulapi_mutex_take(&robot_mutex);
      for (int t = 0; t < JOINT_MAX; t++) {
	if (the_robot.get_robot_joint_pos(&p, t)) jsmsg.set_pos(p, t);
      }
      ulapi_mutex_give(&robot_mutex);
      nchars = ulapi_socket_write(id, reinterpret_cast<char *>(&jsmsg), sizeof(jsmsg));
      if (nchars < 0) break;
      break;

    case 1:
      ulapi_mutex_take(&robot_mutex);

      the_robot.get_drives_powered(&i);
      rsmsg.set_drives_powered(i);

      the_robot.get_e_stopped(&i);
      rsmsg.set_e_stopped(i);

      the_robot.get_in_error(&i);
      rsmsg.set_in_error(i);

      the_robot.get_in_motion(&i);
      rsmsg.set_in_motion(i);

      the_robot.get_mode(&i);
      rsmsg.set_mode(i);

      the_robot.get_motion_possible(&i);
      rsmsg.set_motion_possible(i);

      ulapi_mutex_give(&robot_mutex);

      nchars = ulapi_socket_write(id, reinterpret_cast<char *>(&rsmsg), sizeof(rsmsg));
      if (nchars < 0) break;
      break;

    case 2:
#undef DO_OBJECTS
#ifdef DO_OBJECTS
      len = obj_state.size();
      if (len <= sizeof(outbuf)) {
	obj_state.write_object_state(outbuf, sizeof(outbuf));
	nchars = ulapi_socket_write(id, outbuf, len);
      }
#endif	// DO_OBJECTS
      break;
    } // switch (which)

    if (++which > 2) which = 0;

    ulapi_wait(period * 1e9);
  } // while (true)

  ulapi_socket_close(id);

  if (debug) printf("joint state connection handler %d done\n", id);

  free(thread);

  return;
}