C++ PROCESS_WAIT_EVENT函数代码示例

//Reads button presses and adds to variable for LEDs
PROCESS_THREAD(authority_process, ev, data){
	PROCESS_BEGIN();
#ifdef DEBUG
	volatile unsigned int *resetreas_reg = (unsigned int*) 0x40000400;
	if(*resetreas_reg != 1){
		printf("\n Reset reason: %d \n", *resetreas_reg);
		PROCESS_WAIT_EVENT(); //This single line made things work and not crash? What is this unstable hell-machine?
	}

	*resetreas_reg = 0xF00F;
#endif
	rest_init_engine();
	

#if WITH_IPSO
	ipso_objects_init();
#endif
  	rest_activate_resource(&res_door, "doors/door");
	while(1){
		PROCESS_WAIT_EVENT();
		//wait for requests and process data
	}

	PROCESS_END();
}

PROCESS_THREAD(cetic_6lbr_process, ev, data)
{
  PROCESS_BEGIN();

  cetic_6lbr_startup = clock_seconds();

#if CONTIKI_TARGET_NATIVE
  slip_config_handle_arguments(contiki_argc, contiki_argv);
#endif

  load_nvm_config();

  platform_init();

  process_start(&eth_drv_process, NULL);

  while(!ethernet_ready) {
    PROCESS_PAUSE();
  }

  process_start(&tcpip_process, NULL);

  PROCESS_PAUSE();

#if CETIC_NODE_INFO
  node_info_init();
#endif

  packet_filter_init();
  cetic_6lbr_init();

#if WEBSERVER
  process_start(&webserver_nogui_process, NULL);
#endif
#if UDPSERVER
  process_start(&udp_server_process, NULL);
#endif

  printf("CETIC 6LBR Started\n");

#if CONTIKI_TARGET_NATIVE
  PROCESS_WAIT_EVENT();
  etimer_set(&reboot_timer, CLOCK_SECOND);
  PROCESS_WAIT_EVENT();
  printf("Exiting...\n");
  exit(0);
#endif

  PROCESS_END();
}

/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_server_process, ev, data)
{
  struct process *p;
  struct shell_command *c;
  static struct etimer etimer;
  PROCESS_BEGIN();

  etimer_set(&etimer, CLOCK_SECOND * 10);
  while(1) {
    PROCESS_WAIT_EVENT();
    if(ev == PROCESS_EVENT_EXITED) {
      p = data;
      /*      printf("process exited '%s' (front '%s')\n", p->name,
	      front_process->name);*/
      for(c = list_head(commands);
	  c != NULL && c->process != p;
	  c = c->next);
      while(c != NULL) {
	if(c->child != NULL && c->child->process != NULL) {
	  /*	  printf("Killing '%s'\n", c->process->name);*/
	  input_to_child_command(c->child, "", 0, "", 0);
	  /*	  process_exit(c->process);*/
	}
	c = c->child;
      }
    } else if(ev == PROCESS_EVENT_TIMER) {
      etimer_reset(&etimer);
      shell_set_time(shell_time());
    }
  }
  
  PROCESS_END();
}

/*-----------------------------------------------------------------------*/
PROCESS_THREAD(udp_sender_process, ev, data)
{
	static struct etimer period_timer, wait_timer;
	PROCESS_BEGIN();
	
	set_global_address();
	PRINTF("UDP sender process started\n");
	print_local_address();

	/* new connection with remote host */
	sender_conn = udp_new(NULL, UIP_HTONS(UDP_SINK_PORT), NULL);
	udp_bind(sender_conn, UIP_HTONS(UDP_SENDER_PORT));

	PRINTF("Created a connection with the sink ");
	PRINT6ADDR(&sender_conn->ripaddr);
	PRINTF(" local/remote port %u/%u\n",
			UIP_HTONS(sender_conn->lport), UIP_HTONS(sender_conn->rport));
	
	etimer_set(&period_timer, CLOCK_SECOND * PERIOD);
	while(1) {
		PROCESS_WAIT_EVENT();
		if(ev == PROCESS_EVENT_TIMER) {
			if(data == &period_timer) {
				etimer_reset(&period_timer);
				etimer_set(&wait_timer,
							random_rand() % (CLOCK_SECOND * RANDWAIT));
			} else if(data ==&wait_timer) {
				/* Time to send a data. */
				collect_common_send();
			}
		}
	}
	PROCESS_END();
}

/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_wget_process, ev, data)
{
  PROCESS_BEGIN();

  strncpy(url, data, sizeof(url));
  open_url(url);

  running = 1;
  
  while(running) {
    PROCESS_WAIT_EVENT();
    
    if(ev == tcpip_event) {
      webclient_appcall(data);
    } else if(ev == resolv_event_found) {
      /* Either found a hostname, or not. */
      if((char *)data != NULL &&
	 resolv_lookup((char *)data) != NULL) {
	open_url(url);
      } else {
	shell_output_str(&wget_command, "Host not found.", "");
      }
    }
  }

  PROCESS_END();
}

/*---------------------------------------------------------------------------*/
PROCESS_THREAD(udp_server_process, ev, data)
{
  PROCESS_BEGIN();

  dtls_init();
  init_dtls();

  print_local_addresses();

  if (!dtls_context) {
    dtls_emerg("cannot create context\n");
    PROCESS_EXIT();
  }

#ifdef ENABLE_POWERTRACE
  powertrace_start(CLOCK_SECOND * 2); 
#endif

  while(1) {
    PROCESS_WAIT_EVENT();
    if(ev == tcpip_event) {
      dtls_handle_read(dtls_context);
    }
  }

  PROCESS_END();
}

/*---------------------------------------------------------------------------*/
PROCESS_THREAD(sensors_process, ev, data)
{
  static int i;
  static int events;

  PROCESS_BEGIN();

  sensors_event = process_alloc_event();

  for(i = 0; sensors[i] != NULL; ++i) {
    sensors_flags[i] = 0;
    sensors[i]->configure(SENSORS_HW_INIT, 0);
  }
  num_sensors = i;

  while(1) {

    PROCESS_WAIT_EVENT();

    do {
      events = 0;
      for(i = 0; i < num_sensors; ++i) {
        if(sensors_flags[i] & FLAG_CHANGED) {
          if(process_post(PROCESS_BROADCAST, sensors_event, sensors[i]) == PROCESS_ERR_OK) {
            PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event);
          }
          sensors_flags[i] &= ~FLAG_CHANGED;
          events++;
        }
      }
    } while(events);
  }

  PROCESS_END();
}

/*-----------------------------------------------------------------------------------*/
PROCESS_THREAD(webserver_process, ev, data)
{
  PROCESS_BEGIN();
  
  ctk_window_new(&mainwindow, LOG_WIDTH, LOG_HEIGHT+1, "Web server");
  
  CTK_WIDGET_ADD(&mainwindow, &message);
  CTK_WIDGET_ADD(&mainwindow, &loglabel);
  
  httpd_init();
  
  ctk_window_open(&mainwindow);

  while(1) {
    PROCESS_WAIT_EVENT();

    if(ev == ctk_signal_window_close ||
       ev == PROCESS_EVENT_EXIT) {
      ctk_window_close(&mainwindow);
      process_exit(&webserver_process);
      LOADER_UNLOAD();    
    } else if(ev == tcpip_event) {
      httpd_appcall(data);
    }
  }

  PROCESS_END();
}

/*---------------------------------------------------------------------------*/
PROCESS_THREAD(stest_process, ev, data)
{
  static struct etimer timer;
  PROCESS_BEGIN();

  clrscr_arch();
#ifdef RS232_INTR
  rs232_arch_init(serial_line_input_byte, 0);
#endif

  etimer_set(&timer, CLOCK_SECOND);

  log_message("Starting serial test process");
  while(1) {
    PROCESS_WAIT_EVENT();

    if (etimer_expired(&timer)) {
      log_message("Sending serial data now");
      rs232_print("GNU's not Unix\n");
      etimer_reset(&timer);
    }

    if(ev == serial_line_event_message) {
      log_message(data);
    }
  }

  PROCESS_END();
}

/*---------------------------------------------------------------------------*/
PROCESS_THREAD(hello_world_process, ev, data)
{
  static struct etimer timer;
  static int count=0;
  etimer_set(&timer, CLOCK_CONF_SECOND);

  PROCESS_BEGIN();
  while(1)
 {
 PROCESS_WAIT_EVENT();
 
 if (ev==PROCESS_EVENT_TIMER)
   {

  // DDRB |= (1<<PORTB4);
  // PORTB ^= (1<<PORTB4);   

printf("Hello World # %i\n", count);
   count++;
//   etimer_reset(&timer);
 
  }

}

  
  PROCESS_END();
}

/*---------------------------------------------------------------------------*/
PROCESS_THREAD(burn_process, ev, data)
{
  PROCESS_BEGIN();

  etimer_set(&etimer, 5*CLOCK_SECOND);
  PROCESS_WAIT_UNTIL(etimer_expired(&etimer));

  watchdog_stop();
  leds_on(LEDS_RED);
#if NODEID
  printf("Burning node id %d\n", NODEID);
  node_id_burn(NODEID);
  leds_on(LEDS_BLUE);
  node_id_restore();
  printf("Restored node id %d\n", node_id);
#else
#error "burn-nodeid must be compiled with nodeid=<the ID of the node>"
  node_id_restore();
  printf("Restored node id %d\n", node_id);
#endif
  leds_off(LEDS_RED + LEDS_BLUE);
  watchdog_start();
  while(1) {
    PROCESS_WAIT_EVENT();
  }
  PROCESS_END();
}

/*---------------------------------------------------------------------------*/
PROCESS_THREAD(wget_process, ev, data)
{
  PROCESS_BEGIN();

  PRINTF("wget: fetching %s\n", file);
#if STATS
  fetch_counter = 0;
  fetch_started = clock_time();
#endif /* STATS */
  LEDS_ON(LEDS_YELLOW);
  if(webclient_get(server, port, file) == 0) {
    PRINTF("wget: failed to connect\n");
    LEDS_OFF(LEDS_YELLOW);
    fetch_running = 0;
    call_done(WGET_CONNECT_FAILED);
  } else {
    while(fetch_running) {
      PROCESS_WAIT_EVENT();
      if(ev == tcpip_event) {
        webclient_appcall(data);
      }
    }
  }

  PROCESS_END();
}

/* --------------------------------------------------------------- */
PROCESS_THREAD(node_process, ev, data)
{
    // All the process start with this
    PROCESS_BEGIN();
    PRINTF("# Starting...\n");

    // Configure the network
    network_config();
    if (!conn) {
         printf("E01\n");
         PROCESS_EXIT();
    }

    #if IS_RPL_ROOT
    create_dag();
    #endif

    // Main, infinite, loop of the process
    PRINTF("# Ready!\n");
    while (1) {
        // Wait, block the process, until an event happens.
        // Meanwhile, other process will continue running.
        PROCESS_WAIT_EVENT();

        // Check the type of event that unblock the process
        if (ev == tcpip_event)
            tcpip_handler();
        else if (ev == serial_line_event_message)
            input_handler((char*)data);
    }

    // All the process ends with this
    PROCESS_END();
}

PROCESS_THREAD(ir_receiver_process, ev, data) {

    PROCESS_BEGIN();

    while(1) {
        PROCESS_WAIT_EVENT();

        if(ev == PROCESS_EVENT_POLL) {
            if(ir_repeat) {
                PRINTF("Got repeat signal \n");
                ir_repeat = 0;
            } else {
                if(*(int32_t*)ir_prev_data != *(int32_t*)ir_last_data || timer_expired(&ir_rep_timer) || to_be_repeated()) {
                    memcpy(ir_prev_data, ir_last_data, 4);
                    timer_restart(&ir_rep_timer);
                    PRINTF("Got new command %d,%d,%d,%d!\n", ir_last_data[0],ir_last_data[1],ir_last_data[2],ir_last_data[3]);
                    broadcast_value(30);
                } else {
                    timer_restart(&ir_rep_timer);
                }
            }
        }
    }

    PROCESS_END();
}

/*---------------------------------------------------------------------------*/
PROCESS_THREAD(telnetd_process, ev, data)
{
  PROCESS_BEGIN();
  
  shell_init();

#if TELNETD_CONF_GUI
  telnetd_gui_init();
#endif /* TELNETD_CONF_GUI */

  petsciiconv_toascii(telnetd_reject_text, strlen(telnetd_reject_text));

  tcp_listen(UIP_HTONS(23));

  while(1) {
    PROCESS_WAIT_EVENT();
    if(ev == tcpip_event) {
      telnetd_appcall(data);
    } else if(ev == PROCESS_EVENT_EXIT) {
      telnetd_quit();
    } else {
#if TELNETD_CONF_GUI
      telnetd_gui_eventhandler(ev, data);
#endif /* TELNETD_CONF_GUI */
    }
  }
  
  PROCESS_END();
}