void
init_net(void)
{
  rimeaddr_t rimeaddr;

  tr1001_init();
  rime_init(nullmac_init(&tr1001_driver));
  rimeaddr.u8[0] = node_id & 0xff;
  rimeaddr.u8[1] = node_id >> 8;
  rimeaddr_set_node_addr(&rimeaddr);

  rs232_set_input(serial_line_input_byte);

}
/*---------------------------------------------------------------------------*/
int
main(void)
{

  /* Hardware initialization */
  bus_init();

  leds_init();
  fade(LEDS_GREEN);

  uart1_init(115200);
  uart1_set_input(serial_line_input_byte);

  /* initialize process manager. */
  process_init();

  serial_line_init();

  printf("\n" CONTIKI_VERSION_STRING " started\n");
  printf("model: " SENSINODE_MODEL "\n\n");

  /* initialize the radio driver */

  cc2430_rf_init();
  rime_init(sicslowmac_init(&cc2430_rf_driver));
  set_rime_addr();

  /* start services */
  process_start(&etimer_process, NULL);

  fade(LEDS_RED);

  autostart_start(autostart_processes);

  while(1) {
    process_run();
    etimer_request_poll();
  }
}
void
init_lowlevel(void)
{

  /* Second rs232 port for debugging */
  rs232_init(RS232_PORT_1, USART_BAUD_115200,
             USART_PARITY_NONE | USART_STOP_BITS_1 | USART_DATA_BITS_8);

  /* Redirect stdout to second port */
  rs232_redirect_stdout(RS232_PORT_1);
  
  /* Clock */
  clock_init();
 
 /* rtimers needed for radio cycling */
  rtimer_init();

 /* Initialize process subsystem */
  process_init();
 /* etimers must be started before ctimer_init */
  process_start(&etimer_process, NULL);
  
#if RF230BB

  ctimer_init();
  /* Start radio and radio receive process */
  NETSTACK_RADIO.init();

  /* Set addresses BEFORE starting tcpip process */

  linkaddr_t addr;
  memset(&addr, 0, sizeof(linkaddr_t));
  eeprom_read_block ((void *)&addr.u8,  &mac_address, 8);
 
#if UIP_CONF_IPV6
  memcpy(&uip_lladdr.addr, &addr.u8, 8);
#endif  
  rf230_set_pan_addr(IEEE802154_PANID, 0, (uint8_t *)&addr.u8);
#ifdef CHANNEL_802_15_4
  rf230_set_channel(CHANNEL_802_15_4);
#else
  rf230_set_channel(26);
#endif

  linkaddr_set_node_addr(&addr); 

  PRINTF("MAC address %x:%x:%x:%x:%x:%x:%x:%x\n",addr.u8[0],addr.u8[1],addr.u8[2],addr.u8[3],addr.u8[4],addr.u8[5],addr.u8[6],addr.u8[7]);

  /* Initialize stack protocols */
  queuebuf_init();
  NETSTACK_RDC.init();
  NETSTACK_MAC.init();
  NETSTACK_NETWORK.init();

#if ANNOUNCE_BOOT
  printf_P(PSTR("%s %s, channel %u"),NETSTACK_MAC.name, NETSTACK_RDC.name,rf230_get_channel());
  if (NETSTACK_RDC.channel_check_interval) {//function pointer is zero for sicslowmac
    unsigned short tmp;
    tmp=CLOCK_SECOND / (NETSTACK_RDC.channel_check_interval == 0 ? 1:\
                                   NETSTACK_RDC.channel_check_interval());
    if (tmp<65535) printf_P(PSTR(", check rate %u Hz"),tmp);
  }
  printf_P(PSTR("\n"));
#endif

#if UIP_CONF_ROUTER
#if ANNOUNCE_BOOT
  printf_P(PSTR("Routing Enabled\n"));
#endif
  rime_init(rime_udp_init(NULL));
  uip_router_register(&rimeroute);
#endif

  process_start(&tcpip_process, NULL);

#else
/* mac process must be started before tcpip process! */
  process_start(&mac_process, NULL);
  process_start(&tcpip_process, NULL);
#endif /*RF230BB*/

}
Beispiel #4
0
int
main()
{
  disableIRQ();
  disableFIQ();
  *AT91C_AIC_IDCR = 0xffffffff;
  *AT91C_PMC_PCDR = 0xffffffff;
  *AT91C_PMC_PCER = (1 << AT91C_ID_PIOA);
  
  dbg_setup_uart();
  printf("Initialising\n");
  leds_arch_init();
  clock_init();
  process_init();
  process_start(&etimer_process, NULL);
  ctimer_init();

  robot_stepper_init();

  enableIRQ();

  cc2420_init();
  cc2420_set_pan_addr(0x2024, 0, &uip_hostaddr.u16[1]);
  cc2420_set_channel(RF_CHANNEL);
  rime_init(nullmac_init(&cc2420_driver));
  printf("CC2420 setup done\n");

  rimeaddr_set_node_addr(&node_addr);
  
    #if WITH_UIP
  {
    uip_ipaddr_t hostaddr, netmask;
    
    uip_init();

    uip_ipaddr(&hostaddr, 172,16,
               rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1]);
    uip_ipaddr(&netmask, 255,255,0,0);
    uip_ipaddr_copy(&meshif.ipaddr, &hostaddr);
    printf("Host addr\n");
    uip_sethostaddr(&hostaddr);
    uip_setnetmask(&netmask);
    uip_over_mesh_set_net(&hostaddr, &netmask);
    /*    uip_fw_register(&slipif);*/
    /*uip_over_mesh_set_gateway_netif(&slipif);*/
    uip_fw_default(&meshif);
    printf("Mesh init\n");
    uip_over_mesh_init(UIP_OVER_MESH_CHANNEL);
    printf("uIP started with IP address %d.%d.%d.%d\n",
           uip_ipaddr_to_quad(&hostaddr));
  }
#endif /* WITH_UIP */


#if WITH_UIP
  process_start(&tcpip_process, NULL);
  process_start(&uip_fw_process, NULL); /* Start IP output */
#endif /* WITH_UIP */
  
  printf("Heap size: %ld bytes\n", &__heap_end__ - (char*)sbrk(0));
  printf("Started\n");

  autostart_start(autostart_processes);
  printf("Processes running\n");
  while(1) {
    do {
      /* Reset watchdog. */
      wdt_reset();
    } while(process_run() > 0);
    /* Idle! */
    /* Stop processor clock */
    *AT91C_PMC_SCDR |= AT91C_PMC_PCK;
  }
  return 0;
}
Beispiel #5
0
/*------Done in a subroutine to keep main routine stack usage small--------*/
void initialize(void)
{
  //calibrate_rc_osc_32k(); //CO: Had to comment this out

#ifdef RAVEN_LCD_INTERFACE
  /* First rs232 port for Raven 3290 port */
  rs232_init(RS232_PORT_0, USART_BAUD_38400,USART_PARITY_NONE | USART_STOP_BITS_1 | USART_DATA_BITS_8);
  /* Set input handler for 3290 port */
  rs232_set_input(0,raven_lcd_serial_input);
#endif

  /* Second rs232 port for debugging */
  rs232_init(RS232_PORT_1, USART_BAUD_57600,USART_PARITY_NONE | USART_STOP_BITS_1 | USART_DATA_BITS_8);
  /* Redirect stdout to second port */
  rs232_redirect_stdout(RS232_PORT_1);
  clock_init();
  printf_P(PSTR("\n*******Booting %s*******\n"),CONTIKI_VERSION_STRING);

 /* Initialize process subsystem */
  process_init();

#ifdef RF230BB
{
  /* Start radio and radio receive process */
  rf230_init();
  sicslowpan_init(sicslowmac_init(&rf230_driver));
//  ctimer_init();
//  sicslowpan_init(lpp_init(&rf230_driver));
//  rime_init(sicslowmac_driver.init(&rf230_driver));
//  rime_init(lpp_init(&rf230_driver));

  /* Set addresses BEFORE starting tcpip process */

  rimeaddr_t addr;
  memset(&addr, 0, sizeof(rimeaddr_t));
  AVR_ENTER_CRITICAL_REGION();
  eeprom_read_block ((void *)&addr.u8,  &mac_address, 8);
  AVR_LEAVE_CRITICAL_REGION();
 
  memcpy(&uip_lladdr.addr, &addr.u8, 8);	
  rf230_set_pan_addr(IEEE802154_PANID, 0, (uint8_t *)&addr.u8);

  rf230_set_channel(24);
  rimeaddr_set_node_addr(&addr); 
  PRINTF("MAC address %x:%x:%x:%x:%x:%x:%x:%x\n",addr.u8[0],addr.u8[1],addr.u8[2],addr.u8[3],addr.u8[4],addr.u8[5],addr.u8[6],addr.u8[7]);

 // uip_ip6addr(&ipprefix, 0xaaaa, 0, 0, 0, 0, 0, 0, 0);
 // uip_netif_addr_add(&ipprefix, UIP_DEFAULT_PREFIX_LEN, 0, AUTOCONF);
 // uip_nd6_prefix_add(&ipprefix, UIP_DEFAULT_PREFIX_LEN, 0);
 // PRINTF("Prefix %x::/%u\n",ipprefix.u16[0],UIP_DEFAULT_PREFIX_LEN);

#if UIP_CONF_ROUTER
  rime_init(rime_udp_init(NULL));
  uip_router_register(&rimeroute);
#endif

  PRINTF("Driver: %s, Channel: %u\n", sicslowmac_driver.name, rf230_get_channel()); 
}
#endif /*RF230BB*/

  /* Register initial processes */
  procinit_init(); 

  /* Autostart processes */
  autostart_start(autostart_processes);

  //Give ourselves a prefix
  // init_net();

  /*---If using coffee file system create initial web content if necessary---*/
#if COFFEE_FILES
  int fa = cfs_open( "/index.html", CFS_READ);
  if (fa<0) {     //Make some default web content
    printf_P(PSTR("No index.html file found, creating upload.html!\n"));
    printf_P(PSTR("Formatting FLASH file system for coffee..."));
    cfs_coffee_format();
    printf_P(PSTR("Done!\n"));
    fa = cfs_open( "/index.html", CFS_WRITE);
    int r = cfs_write(fa, &"It works!", 9);
    if (r<0) printf_P(PSTR("Can''t create /index.html!\n"));
    cfs_close(fa);
//  fa = cfs_open("upload.html"), CFW_WRITE);
// <html><body><form action="upload.html" enctype="multipart/form-data" method="post"><input name="userfile" type="file" size="50" /><input value="Upload" type="submit" /></form></body></html>
  }
#endif

/*--------------------------Announce the configuration---------------------*/
#if WEBSERVER
  char buf[80];
  unsigned int size;
   eeprom_read_block (buf,server_name, sizeof(server_name));
   buf[sizeof(server_name)]=0;
   printf_P(PSTR("%s"),buf);
   eeprom_read_block (buf,domain_name, sizeof(domain_name));
   buf[sizeof(domain_name)]=0;
   size=httpd_fs_get_size();
#ifndef COFFEE_FILES
   printf_P(PSTR(".%s online with fixed %u byte web content\n"),buf,size);
#elif COFFEE_FILES==1
   printf_P(PSTR(".%s online with static %u byte EEPROM file system\n"),buf,size);
#elif COFFEE_FILES==2
   printf_P(PSTR(".%s online with dynamic %u KB EEPROM file system\n"),buf,size>>10);
#elif COFFEE_FILES==3
   printf_P(PSTR(".%s online with static %u byte program memory file system\n"),buf,size);
#elif COFFEE_FILES==4
   printf_P(PSTR(".%s online with dynamic %u KB program memory file system\n"),buf,size>>10);
#endif
#else
   printf_P(PSTR("Online\n"));
#endif /* WEBSERVER */
}
void
init_lowlevel(void)
{
  uint8_t i;
  unsigned char ds2411_id[6];

  /* Second rs232 port for debugging */
  rs232_init(RS232_PORT_1, USART_BAUD_38400,
             USART_PARITY_NONE | USART_STOP_BITS_1 | USART_DATA_BITS_8);

  /* Redirect stdout to second port */
  rs232_redirect_stdout(RS232_PORT_1);

  /* Clock */
  clock_init();

  /* rtimers needed for radio cycling */
  rtimer_init();

  /* Initialize process subsystem */
  process_init();

  /* etimers must be started before ctimer_init */
  process_start(&etimer_process, NULL);

#if RF230BB
  ctimer_init();
  /* Start radio and radio receive process */
  NETSTACK_RADIO.init();

  if(ds2411_read(ds2411_id)) {  /* if serial available, modify adress in EPROM */
    mac_address[0] = 0x02;
    mac_address[1] = 0;
    mac_address[2] = ds2411_id[0];
    mac_address[3] = ds2411_id[1];
    mac_address[4] = ds2411_id[2];
    mac_address[5] = ds2411_id[3];
    mac_address[6] = ds2411_id[4];
    mac_address[7] = ds2411_id[5];
  }

  /* Set addresses BEFORE starting tcpip process */
  linkaddr_t addr;

  memset(&addr, 0, sizeof(linkaddr_t));
  memcpy((void *)&addr.u8, &mac_address, 8);

#if UIP_CONF_IPV6
  memcpy(&uip_lladdr.addr, &addr.u8, 8);
#endif /* UIP_CONF_IPV6 */

  rf230_set_pan_addr(IEEE802154_PANID, 0, (uint8_t *) & addr.u8);

#ifdef CHANNEL_802_15_4
  rf230_set_channel(CHANNEL_802_15_4);
#else /* CHANNEL_802_15_4 */
  rf230_set_channel(26);
#endif /* CHANNEL_802_15_4 */
  linkaddr_set_node_addr(&addr);

  //calibrate_rc_osc_32k(); //CO: Had to comment this out

  /* Initialize hardware */
  PRINTF("MAC address %x:%x:%x:%x:%x:%x:%x:%x\n", addr.u8[0], addr.u8[1],
         addr.u8[2], addr.u8[3], addr.u8[4], addr.u8[5], addr.u8[6],
         addr.u8[7]);

  /* Initialize stack protocols */
  queuebuf_init();
  NETSTACK_RDC.init();
  NETSTACK_MAC.init();
  NETSTACK_NETWORK.init();

#if ANNOUNCE_BOOT
  printf_P(PSTR("%s %s, channel %u"), NETSTACK_MAC.name, NETSTACK_RDC.name,
           rf230_get_channel());
  if(NETSTACK_RDC.channel_check_interval) {     //function pointer is zero for sicslowmac
    unsigned short tmp;

    tmp = CLOCK_SECOND / (NETSTACK_RDC.channel_check_interval == 0 ? 1 :
                          NETSTACK_RDC.channel_check_interval());
    if(tmp < 65535)
      printf_P(PSTR(", check rate %u Hz"), tmp);
  }
  printf_P(PSTR("\n"));
#endif /* ANNOUNCE_BOOT */

#if UIP_CONF_ROUTER
#if ANNOUNCE_BOOT
  printf_P(PSTR("Routing Enabled\n"));
#endif /* ANNOUNCE_BOOT */
  rime_init(rime_udp_init(NULL));
  uip_router_register(&rimeroute);
#endif /* UIP_CONF_ROUTER */
#if UIP_CONF_IPV6
  process_start(&tcpip_process, NULL);
#endif /* UIP_CONF_IPV6 */
#else /*RF230BB */
#if UIP_CONF_IPV6
  /* mac process must be started before tcpip process! */
  process_start(&mac_process, NULL);
  process_start(&tcpip_process, NULL);
#endif /* UIP_CONF_IPV6 */
#endif /* RF230BB */
}
Beispiel #7
0
/*---------------------------------------------------------------------------*/
int
main(int argc, char **argv)
{
  /*
   * Initalize hardware.
   */
  msp430_cpu_init();
  clock_init();
  leds_init();
  leds_toggle(LEDS_RED | LEDS_GREEN | LEDS_BLUE);
  
#if WITH_UIP
  slip_arch_init(BAUD2UBR(115200)); /* Must come before first printf */
#else /* WITH_UIP */
  uart1_init(BAUD2UBR(115200)); /* Must come before first printf */
#endif /* WITH_UIP */
  
  printf("Starting %s "
	 "($Id: contiki-sky-main.c,v 1.9 2009/11/20 10:45:07 nifi Exp $)\n", __FILE__);
  ds2411_init();
  xmem_init();
  leds_toggle(LEDS_RED | LEDS_GREEN | LEDS_BLUE);

  rtimer_init();
  /*
   * Hardware initialization done!
   */

  /* Restore node id if such has been stored in external mem */
//  node_id_burn(3);
  node_id_restore();
  printf("node_id : %hu\n", node_id);

  printf("MAC %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
	 ds2411_id[0], ds2411_id[1], ds2411_id[2], ds2411_id[3],
	 ds2411_id[4], ds2411_id[5], ds2411_id[6], ds2411_id[7]);

#if WITH_UIP
  uip_init();
  uip_sethostaddr(&slipif.ipaddr);
  uip_setnetmask(&slipif.netmask);
  uip_fw_default(&slipif);	/* Point2point, no default router. */
#endif /* WITH_UIP */

  /*
   * Initialize Contiki and our processes.
   */
  process_init();
  process_start(&etimer_process, NULL);
  process_start(&sensors_process, NULL);

  /*
   * Initialize light and humidity/temp sensors.
   */
  SENSORS_ACTIVATE(light_sensor);
  SENSORS_ACTIVATE(sht11_sensor);

  ctimer_init();

  set_rime_addr();

  cc2420_init();
  cc2420_set_pan_addr(panId, 0 /*XXX*/, ds2411_id);
  cc2420_set_channel(RF_CHANNEL);

  cc2420_set_txpower(31);
  nullmac_init(&cc2420_driver);
  rime_init(&nullmac_driver);
//  xmac_init(&cc2420_driver);
//  rime_init(&xmac_driver);

  /*  rimeaddr_set_node_addr*/
#if WITH_UIP
  process_start(&tcpip_process, NULL);
  process_start(&uip_fw_process, NULL);	/* Start IP output */
  process_start(&slip_process, NULL);
#endif /* WITH_UIP */

  SENSORS_ACTIVATE(button_sensor);
  
  print_processes(autostart_processes);
  autostart_start(autostart_processes);

  energest_init();
  
  /*
   * This is the scheduler loop.
   */
  printf("process_run()...\n");
  ENERGEST_ON(ENERGEST_TYPE_CPU);
  while (1) {
    do {
      /* Reset watchdog. */
    } while(process_run() > 0);

    /*
     * Idle processing.
     */
    if(lpm_en) {
    int s = splhigh();		/* Disable interrupts. */
    if(process_nevents() != 0) {
      splx(s);			/* Re-enable interrupts. */
    } else {
    	
      static unsigned long irq_energest = 0;
      /* Re-enable interrupts and go to sleep atomically. */
      ENERGEST_OFF(ENERGEST_TYPE_CPU);
      ENERGEST_ON(ENERGEST_TYPE_LPM);
      /* We only want to measure the processing done in IRQs when we
	 are asleep, so we discard the processing time done when we
	 were awake. */
      energest_type_set(ENERGEST_TYPE_IRQ, irq_energest);
      _BIS_SR(GIE | SCG0 | /*SCG1 |*/ CPUOFF); /* LPM3 sleep. */
      /* We get the current processing time for interrupts that was
	 done during the LPM and store it for next time around.  */
      dint();
      irq_energest = energest_type_time(ENERGEST_TYPE_IRQ);
      eint();
      ENERGEST_OFF(ENERGEST_TYPE_LPM);
      ENERGEST_ON(ENERGEST_TYPE_CPU);
    }
    }
  }

  return 0;
}
Beispiel #8
0
/*---------------------------------------------------------------------------*/
int
main(int argc, char **argv)
{
  /*
   * Initalize hardware.
   */
  msp430_cpu_init();
  clock_init();
  leds_init();
  leds_on(LEDS_RED);

  uart1_init(BAUD2UBR(115200)); /* Must come before first printf */
#if WITH_UIP
  slip_arch_init(BAUD2UBR(115200));
#endif /* WITH_UIP */

  leds_on(LEDS_GREEN);
  ds2411_init();

  /* XXX hack: Fix it so that the 802.15.4 MAC address is compatible
     with an Ethernet MAC address - byte 0 (byte 2 in the DS ID)
     cannot be odd. */
  ds2411_id[2] &= 0xfe;
  
  leds_on(LEDS_BLUE);
  xmem_init();

  leds_off(LEDS_RED);
  rtimer_init();
  /*
   * Hardware initialization done!
   */

  
  /* Restore node id if such has been stored in external mem */
  node_id_restore();

  random_init(ds2411_id[0] + node_id);
  
  leds_off(LEDS_BLUE);
  /*
   * Initialize Contiki and our processes.
   */
  process_init();
  process_start(&etimer_process, NULL);
  process_start(&sensors_process, NULL);

  /*
   * Initialize light and humidity/temp sensors.
   */
  sensors_light_init();
  battery_sensor.activate();
  sht11_init();

  ctimer_init();

  cc2420_init();
  cc2420_set_pan_addr(IEEE802154_PANID, 0 /*XXX*/, ds2411_id);
  cc2420_set_channel(RF_CHANNEL);

  printf(CONTIKI_VERSION_STRING " started. ");
  if(node_id > 0) {
    printf("Node id is set to %u.\n", node_id);
  } else {
    printf("Node id is not set.\n");
  }
  set_rime_addr();
  printf("MAC %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
	 ds2411_id[0], ds2411_id[1], ds2411_id[2], ds2411_id[3],
	 ds2411_id[4], ds2411_id[5], ds2411_id[6], ds2411_id[7]);

#if WITH_UIP6
  memcpy(&uip_lladdr.addr, ds2411_id, sizeof(uip_lladdr.addr));
  sicslowpan_init(sicslowmac_init(&cc2420_driver));
  process_start(&tcpip_process, NULL);
  printf(" %s channel %u\n", sicslowmac_driver.name, RF_CHANNEL);
#if UIP_CONF_ROUTER
  rime_init(rime_udp_init(NULL));
  uip_router_register(&rimeroute);
#endif /* UIP_CONF_ROUTER */
#else /* WITH_UIP6 */
  rime_init(MAC_DRIVER.init(&cc2420_driver));
  printf(" %s channel %u\n", rime_mac->name, RF_CHANNEL);
#endif /* WITH_UIP6 */

#if !WITH_UIP && !WITH_UIP6
  uart1_set_input(serial_line_input_byte);
  serial_line_init();
#endif

#if PROFILE_CONF_ON
  profile_init();
#endif /* PROFILE_CONF_ON */

  leds_off(LEDS_GREEN);

#if WITH_FTSP
  ftsp_init();
#endif /* WITH_FTSP */

#if TIMESYNCH_CONF_ENABLED
  timesynch_init();
  timesynch_set_authority_level(rimeaddr_node_addr.u8[0]);
#endif /* TIMESYNCH_CONF_ENABLED */

#if WITH_UIP
  process_start(&tcpip_process, NULL);
  process_start(&uip_fw_process, NULL);	/* Start IP output */
  process_start(&slip_process, NULL);

  slip_set_input_callback(set_gateway);

  {
    uip_ipaddr_t hostaddr, netmask;

    uip_init();

    uip_ipaddr(&hostaddr, 172,16,
	       rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1]);
    uip_ipaddr(&netmask, 255,255,0,0);
    uip_ipaddr_copy(&meshif.ipaddr, &hostaddr);

    uip_sethostaddr(&hostaddr);
    uip_setnetmask(&netmask);
    uip_over_mesh_set_net(&hostaddr, &netmask);
    /*    uip_fw_register(&slipif);*/
    uip_over_mesh_set_gateway_netif(&slipif);
    uip_fw_default(&meshif);
    uip_over_mesh_init(UIP_OVER_MESH_CHANNEL);
    printf("uIP started with IP address %d.%d.%d.%d\n",
	   uip_ipaddr_to_quad(&hostaddr));
  }
#endif /* WITH_UIP */

  button_sensor.activate();

  energest_init();
  ENERGEST_ON(ENERGEST_TYPE_CPU);

  print_processes(autostart_processes);
  autostart_start(autostart_processes);

  /*
   * This is the scheduler loop.
   */
#if DCOSYNCH_CONF_ENABLED
  timer_set(&mgt_timer, DCOSYNCH_PERIOD * CLOCK_SECOND);
#endif
  watchdog_start();
  /*  watchdog_stop();*/
  while(1) {
    int r;
#if PROFILE_CONF_ON
    profile_episode_start();
#endif /* PROFILE_CONF_ON */
    do {
      /* Reset watchdog. */
      watchdog_periodic();
      r = process_run();
    } while(r > 0);
#if PROFILE_CONF_ON
    profile_episode_end();
#endif /* PROFILE_CONF_ON */

    /*
     * Idle processing.
     */
    int s = splhigh();		/* Disable interrupts. */
    /* uart1_active is for avoiding LPM3 when still sending or receiving */
    if(process_nevents() != 0 || uart1_active()) {
      splx(s);			/* Re-enable interrupts. */
    } else {
      static unsigned long irq_energest = 0;

#if DCOSYNCH_CONF_ENABLED
      /* before going down to sleep possibly do some management */
      if (timer_expired(&mgt_timer)) {
	timer_reset(&mgt_timer);
	msp430_sync_dco();
      }
#endif

      /* Re-enable interrupts and go to sleep atomically. */
      ENERGEST_OFF(ENERGEST_TYPE_CPU);
      ENERGEST_ON(ENERGEST_TYPE_LPM);
      /* We only want to measure the processing done in IRQs when we
	 are asleep, so we discard the processing time done when we
	 were awake. */
      energest_type_set(ENERGEST_TYPE_IRQ, irq_energest);
      watchdog_stop();
      _BIS_SR(GIE | SCG0 | SCG1 | CPUOFF); /* LPM3 sleep. This
					      statement will block
					      until the CPU is
					      woken up by an
					      interrupt that sets
					      the wake up flag. */

      /* We get the current processing time for interrupts that was
	 done during the LPM and store it for next time around.  */
      dint();
      irq_energest = energest_type_time(ENERGEST_TYPE_IRQ);
      eint();
      watchdog_start();
      ENERGEST_OFF(ENERGEST_TYPE_LPM);
      ENERGEST_ON(ENERGEST_TYPE_CPU);
    }
  }

  return 0;
}