示例#1
0
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_txpower_process, ev, data)
{
  struct {
    uint16_t len;
    uint16_t txpower;
  } msg;
  const char *newptr;
  PROCESS_BEGIN();

  msg.txpower = shell_strtolong(data, &newptr);
  
  /* If no transmission power was given on the command line, we print
     out the current txpower. */
  
  if(newptr == data) {
    msg.txpower = cc2420_get_txpower();
  } else {
    cc2420_set_txpower(msg.txpower);
  }

  msg.len = 1;

  shell_output(&txpower_command, &msg, sizeof(msg), "", 0);

  PROCESS_END();
}
示例#2
0
/*-----------------------------------------------------------*/
void set_ETX_th(void)
{
	int tx= cc2420_get_txpower();
	if(tx==3 || tx==7)
	{ETX_THERESHOLD=8*RPL_DAG_MC_ETX_DIVISOR;}
	else if(tx>10)// && tx<20)
	{ETX_THERESHOLD = 2 *RPL_DAG_MC_ETX_DIVISOR;}
	//else if(tx>20 && tx<32)
	//{ETX_THERESHOLD = 1.5;}
printf("set ETX_th=%d\n",ETX_THERESHOLD);
	

}
PROCESS_THREAD(simple_process, ev, data)
{
	PROCESS_BEGIN();

	cc2420_set_txpower(12);
	init_router(&message_received);

	static struct ctimer ct;
	ctimer_set(&ct, CLOCK_SECOND * 60 * 5, send_message_after_5_minutes, NULL);

	process_start(&neighbor_discovery_process, NULL);

	printf("K = %d, MAX_NODES = %d, MAX_EDGES = %d, LINKADDR = %d.%d\n", (int) K, (int) MAX_NODES, (int) MAX_EDGES, linkaddr_node_addr.u8[0], linkaddr_node_addr.u8[1]);
	printf("NODE_MEM = %dB, EDGE_MEM = %dB\n", (int)(sizeof(p_node_t) * MAX_NODES), (int)(sizeof(p_edge_t) * MAX_EDGES));
	printf("PACKETBUF_SIZE = %d, TXPOWER = %d, INTERVAL = %d - %d\n", PACKETBUF_SIZE, cc2420_get_txpower(), DISCOVERY_INTERVAL_MIN, DISCOVERY_INTERVAL_MAX);

	PROCESS_END();
}
示例#4
0
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(udp_client_process, ev, data)
{
  static struct etimer periodic;
  static struct ctimer backoff_timer;
#if WITH_COMPOWER
  static int print = 0;
#endif

  PROCESS_BEGIN();
powertrace_start(CLOCK_SECOND * 30); //elnaz
cc2420_set_txpower(31);
printf(" Tx=%d\n", cc2420_get_txpower());
  PROCESS_PAUSE();

  set_global_address();
  
  PRINTF("UDP client process started\n");

  print_local_addresses();

  /* new connection with remote host */
  client_conn = udp_new(NULL, UIP_HTONS(UDP_SERVER_PORT), NULL); 
  if(client_conn == NULL) {
    PRINTF("No UDP connection available, exiting the process!\n");
    PROCESS_EXIT();
  }
  udp_bind(client_conn, UIP_HTONS(UDP_CLIENT_PORT)); 

  PRINTF("Created a connection with the server ");
  PRINT6ADDR(&client_conn->ripaddr);
  PRINTF(" local/remote port %u/%u\n",
	UIP_HTONS(client_conn->lport), UIP_HTONS(client_conn->rport));

#if WITH_COMPOWER
  powertrace_sniff(POWERTRACE_ON);
#endif

  etimer_set(&periodic, SEND_INTERVAL);
  while(1) {
    PROCESS_YIELD();
    if(ev == tcpip_event) {
      tcpip_handler();
    }
    
    if(etimer_expired(&periodic)) {
      etimer_reset(&periodic);
      ctimer_set(&backoff_timer, SEND_TIME, send_packet, NULL);

#if WITH_COMPOWER
      if (print == 0) {
	powertrace_print("#P");
      }
      if (++print == 3) {
	print = 0;
      }
#endif

    }
  }

  PROCESS_END();
}
示例#5
0
文件: udp-client.c 项目: e2rezaei/TPC
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(udp_client_process, ev, data)
{
  static struct etimer periodic;
  static struct ctimer backoff_timer;
//static struct etimer wait;
//static int tx[] = { 31, 27, 23, 19, 15, 11, 7, 3};

#if WITH_COMPOWER
  static int print = 0;
#endif

  PROCESS_BEGIN();

powertrace_start(CLOCK_SECOND * 1); //elnaz

  cc2420_set_txpower(23);

  printf(" Probe v\n Tx=%d\n", cc2420_get_txpower());

  PROCESS_PAUSE();

  set_global_address();

  PRINTF("UDP client process started\n");

  print_local_addresses();

  /* new connection with remote host */
  client_conn = udp_new(NULL, UIP_HTONS(UDP_SERVER_PORT), NULL);
  if(client_conn == NULL) {
    PRINTF("No UDP connection available, exiting the process!\n");
    PROCESS_EXIT();
  }
  udp_bind(client_conn, UIP_HTONS(UDP_CLIENT_PORT));

  PRINTF("Created a connection with the server ");
  PRINT6ADDR(&client_conn->ripaddr);
  PRINTF(" local/remote port %u/%u\n",
	UIP_HTONS(client_conn->lport), UIP_HTONS(client_conn->rport));

#if WITH_COMPOWER
  powertrace_sniff(POWERTRACE_ON);
#endif
//  etimer_set(&temp, 60*CLOCK_SECOND);
//  PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_TIMER);

  etimer_set(&periodic, SEND_INTERVAL);

  while(1)//seq<150)
     {
    	PROCESS_YIELD();
    	if(ev == tcpip_event)
    	{
     	 tcpip_handler();
    	}

    	if(etimer_expired(&periodic))
    	{
	      	etimer_reset(&periodic);
	     	 ctimer_set(&backoff_timer, SEND_TIME, send_packet, NULL);
        }  //end etimer_expired

     }


  PROCESS_END();
}
示例#6
0
/*---------------------------------------------------------------------------*/
static int
cc2420_transmit(unsigned short payload_len)
{
  int i, txpower;
  uint8_t total_len;
#if CC2420_CONF_CHECKSUM
  uint16_t checksum;
#endif /* CC2420_CONF_CHECKSUM */

  GET_LOCK();

  txpower = 0;
  if(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) > 0) {
    /* Remember the current transmission power */
    txpower = cc2420_get_txpower();
    /* Set the specified transmission power */
    set_txpower(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) - 1);
  }

  total_len = payload_len + AUX_LEN;
  
  /* The TX FIFO can only hold one packet. Make sure to not overrun
   * FIFO by waiting for transmission to start here and synchronizing
   * with the CC2420_TX_ACTIVE check in cc2420_send.
   *
   * Note that we may have to wait up to 320 us (20 symbols) before
   * transmission starts.
   */
#ifndef CC2420_CONF_SYMBOL_LOOP_COUNT
#error CC2420_CONF_SYMBOL_LOOP_COUNT needs to be set!!!
#else
#define LOOP_20_SYMBOLS CC2420_CONF_SYMBOL_LOOP_COUNT
#endif

#if WITH_SEND_CCA
  strobe(CC2420_SRXON);
  BUSYWAIT_UNTIL(status() & BV(CC2420_RSSI_VALID), RTIMER_SECOND / 10);
  strobe(CC2420_STXONCCA);
#else /* WITH_SEND_CCA */
  strobe(CC2420_STXON);
#endif /* WITH_SEND_CCA */
  for(i = LOOP_20_SYMBOLS; i > 0; i--) {
    if(CC2420_SFD_IS_1) {
      {
        rtimer_clock_t sfd_timestamp;
        sfd_timestamp = cc2420_sfd_start_time;
        if(packetbuf_attr(PACKETBUF_ATTR_PACKET_TYPE) ==
           PACKETBUF_ATTR_PACKET_TYPE_TIMESTAMP) {
          /* Write timestamp to last two bytes of packet in TXFIFO. */
          CC2420_WRITE_RAM(&sfd_timestamp, CC2420RAM_TXFIFO + payload_len - 1, 2);
        }
      }

      if(!(status() & BV(CC2420_TX_ACTIVE))) {
        /* SFD went high but we are not transmitting. This means that
           we just started receiving a packet, so we drop the
           transmission. */
        RELEASE_LOCK();
        return RADIO_TX_COLLISION;
      }
      if(receive_on) {
	ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
      }
      ENERGEST_ON(ENERGEST_TYPE_TRANSMIT);
      /* We wait until transmission has ended so that we get an
	 accurate measurement of the transmission time.*/
      BUSYWAIT_UNTIL(!(status() & BV(CC2420_TX_ACTIVE)), RTIMER_SECOND / 10);

#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
      ENERGEST_OFF_LEVEL(ENERGEST_TYPE_TRANSMIT,cc2420_get_txpower());
#endif
      ENERGEST_OFF(ENERGEST_TYPE_TRANSMIT);
      if(receive_on) {
	ENERGEST_ON(ENERGEST_TYPE_LISTEN);
      } else {
	/* We need to explicitly turn off the radio,
	 * since STXON[CCA] -> TX_ACTIVE -> RX_ACTIVE */
	off();
      }

      if(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) > 0) {
        /* Restore the transmission power */
        set_txpower(txpower & 0xff);
      }

      RELEASE_LOCK();
      return RADIO_TX_OK;
    }
  }

  /* If we are using WITH_SEND_CCA, we get here if the packet wasn't
     transmitted because of other channel activity. */
  RIMESTATS_ADD(contentiondrop);
  PRINTF("cc2420: do_send() transmission never started\n");

  if(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) > 0) {
    /* Restore the transmission power */
    set_txpower(txpower & 0xff);
  }

  RELEASE_LOCK();
  return RADIO_TX_COLLISION;
}
示例#7
0
文件: cc2420.c 项目: kincki/contiki
/*---------------------------------------------------------------------------*/
int
cc2420_send(const void *payload, unsigned short payload_len)
{
  int i;
  uint8_t total_len;
  struct timestamp timestamp;
  uint16_t checksum;

  GET_LOCK();

  PRINTF("cc2420: sending %d bytes\n", payload_len);
  
  RIMESTATS_ADD(lltx);

  /* Wait for any previous transmission to finish. */
  while(status() & BV(CC2420_TX_ACTIVE));

  /* Write packet to TX FIFO. */
  strobe(CC2420_SFLUSHTX);

  checksum = crc16_data(payload, payload_len, 0);
  total_len = payload_len + AUX_LEN;
  FASTSPI_WRITE_FIFO(&total_len, 1);
  FASTSPI_WRITE_FIFO(payload, payload_len);
  FASTSPI_WRITE_FIFO(&checksum, CHECKSUM_LEN);

#if CC2420_CONF_TIMESTAMPS
  timestamp.authority_level = timesynch_authority_level();
  timestamp.time = timesynch_time();
  FASTSPI_WRITE_FIFO(&timestamp, TIMESTAMP_LEN);
#endif /* CC2420_CONF_TIMESTAMPS */

  /* The TX FIFO can only hold one packet. Make sure to not overrun
   * FIFO by waiting for transmission to start here and synchronizing
   * with the CC2420_TX_ACTIVE check in cc2420_send.
   *
   * Note that we may have to wait up to 320 us (20 symbols) before
   * transmission starts.
   */
#ifdef TMOTE_SKY
#define LOOP_20_SYMBOLS 100	/* 326us (msp430 @ 2.4576MHz) */
#elif __AVR__
#define LOOP_20_SYMBOLS 500	/* XXX */
#endif

#if WITH_SEND_CCA
  strobe(CC2420_SRXON);
  while(!(status() & BV(CC2420_RSSI_VALID)));
  strobe(CC2420_STXONCCA);
#else /* WITH_SEND_CCA */
  strobe(CC2420_STXON);
#endif /* WITH_SEND_CCA */
  
  for(i = LOOP_20_SYMBOLS; i > 0; i--) {
    if(SFD_IS_1) {
#if CC2420_CONF_TIMESTAMPS
      rtimer_clock_t txtime = timesynch_time();
#endif /* CC2420_CONF_TIMESTAMPS */

      if(receive_on) {
	ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
      }
      ENERGEST_ON(ENERGEST_TYPE_TRANSMIT);

      /* We wait until transmission has ended so that we get an
	 accurate measurement of the transmission time.*/
      while(status() & BV(CC2420_TX_ACTIVE));

#if CC2420_CONF_TIMESTAMPS
      setup_time_for_transmission = txtime - timestamp.time;

      if(num_transmissions < 10000) {
	total_time_for_transmission += timesynch_time() - txtime;
	total_transmission_len += total_len;
	num_transmissions++;
      }

#endif /* CC2420_CONF_TIMESTAMPS */

#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
      ENERGEST_OFF_LEVEL(ENERGEST_TYPE_TRANSMIT,cc2420_get_txpower());
#endif
      ENERGEST_OFF(ENERGEST_TYPE_TRANSMIT);
      if(receive_on) {
	ENERGEST_ON(ENERGEST_TYPE_LISTEN);
      }

      RELEASE_LOCK();
      return 0;
    }
  }
  
  /* If we are using WITH_SEND_CCA, we get here if the packet wasn't
     transmitted because of other channel activity. */
  RIMESTATS_ADD(contentiondrop);
  PRINTF("cc2420: do_send() transmission never started\n");
  RELEASE_LOCK();
  return -3;			/* Transmission never started! */
}
示例#8
0
文件: cc2420.c 项目: kincki/contiki
/*---------------------------------------------------------------------------*/
static int
cc2420_transmit(unsigned short payload_len)
{
  int i, txpower;
  uint8_t total_len;
#if CC2420_CONF_CHECKSUM
  uint16_t checksum;
#endif /* CC2420_CONF_CHECKSUM */

  GET_LOCK();

  txpower = 0;
  if(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) > 0) {
    /* Remember the current transmission power */
    txpower = cc2420_get_txpower();
    /* Set the specified transmission power */
    set_txpower(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) - 1);
  }

  total_len = payload_len + AUX_LEN;
  
  /* The TX FIFO can only hold one packet. Make sure to not overrun
   * FIFO by waiting for transmission to start here and synchronizing
   * with the CC2420_TX_ACTIVE check in cc2420_send.
   *
   * Note that we may have to wait up to 320 us (20 symbols) before
   * transmission starts.
   */
#ifdef TMOTE_SKY
#define LOOP_20_SYMBOLS 400	/* 326us (msp430 @ 2.4576MHz) */
#elif __AVR__
#define LOOP_20_SYMBOLS 500	/* XXX */
#endif

#if WITH_SEND_CCA
  strobe(CC2420_SRXON);
  while(!(status() & BV(CC2420_RSSI_VALID)));
  strobe(CC2420_STXONCCA);
#else /* WITH_SEND_CCA */
  strobe(CC2420_STXON);
#endif /* WITH_SEND_CCA */

  for(i = LOOP_20_SYMBOLS; i > 0; i--) {
    if(SFD_IS_1) {
      if(!(status() & BV(CC2420_TX_ACTIVE))) {
        /* SFD went high but we are not transmitting. This means that
           we just started receiving a packet, so we drop the
           transmission. */
        return RADIO_TX_ERR;
      }
      if(receive_on) {
	ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
      }
      ENERGEST_ON(ENERGEST_TYPE_TRANSMIT);

      /* We wait until transmission has ended so that we get an
	 accurate measurement of the transmission time.*/
      while(status() & BV(CC2420_TX_ACTIVE));


#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
      ENERGEST_OFF_LEVEL(ENERGEST_TYPE_TRANSMIT,cc2420_get_txpower());
#endif
      ENERGEST_OFF(ENERGEST_TYPE_TRANSMIT);
      if(receive_on) {
	ENERGEST_ON(ENERGEST_TYPE_LISTEN);
      } else {
	/* We need to explicitly turn off the radio,
	 * since STXON[CCA] -> TX_ACTIVE -> RX_ACTIVE */
	off();
      }

      if(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) > 0) {
        /* Restore the transmission power */
        set_txpower(txpower & 0xff);
      }

      RELEASE_LOCK();
      return RADIO_TX_OK;
    }
  }

  /* If we are using WITH_SEND_CCA, we get here if the packet wasn't
     transmitted because of other channel activity. */
  RIMESTATS_ADD(contentiondrop);
  PRINTF("cc2420: do_send() transmission never started\n");

  if(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) > 0) {
    /* Restore the transmission power */
    set_txpower(txpower & 0xff);
  }

  RELEASE_LOCK();
  return RADIO_TX_ERR;			/* Transmission never started! */
}
示例#9
0
static int _get(netdev_t *netdev, netopt_t opt, void *val, size_t max_len)
{
    if (netdev == NULL) {
        return -ENODEV;
    }

    cc2420_t *dev = (cc2420_t *)netdev;

    int ext = netdev_ieee802154_get(&dev->netdev, opt, val, max_len);
    if (ext > 0) {
        return ext;
    }

    switch (opt) {

        case NETOPT_ADDRESS:
            assert(max_len >= sizeof(uint16_t));
            cc2420_get_addr_short(dev, val);
            return sizeof(uint16_t);

        case NETOPT_ADDRESS_LONG:
            assert(max_len >= 8);
            cc2420_get_addr_long(dev, val);
            return 8;

        case NETOPT_NID:
            assert(max_len >= sizeof(uint16_t));
            return w_u16(val, cc2420_get_pan(dev));

        case NETOPT_CHANNEL:
            assert(max_len >= sizeof(uint16_t));
            return w_u16(val, cc2420_get_chan(dev));

        case NETOPT_TX_POWER:
            assert(max_len >= sizeof(int16_t));
            return w_i16(val, cc2420_get_txpower(dev));

        case NETOPT_STATE:
            assert(max_len >= sizeof(netopt_state_t));
            *((netopt_state_t *)val) = cc2420_get_state(dev);
            return sizeof(netopt_state_t);

        case NETOPT_IS_CHANNEL_CLR:
            return opt_state(val, cc2420_cca(dev));

        case NETOPT_AUTOACK:
            return opt_state(val, (dev->options & CC2420_OPT_AUTOACK));

        case NETOPT_CSMA:
            return opt_state(val, (dev->options & CC2420_OPT_CSMA));

        case NETOPT_PRELOADING:
            return opt_state(val, (dev->options & CC2420_OPT_PRELOADING));

        case NETOPT_PROMISCUOUSMODE:
            return opt_state(val, (dev->options & CC2420_OPT_PROMISCUOUS));

        case NETOPT_RX_START_IRQ:
            return opt_state(val, (dev->options & CC2420_OPT_TELL_RX_START));

        case NETOPT_RX_END_IRQ:
            return opt_state(val, (dev->options & CC2420_OPT_TELL_TX_END));

        case NETOPT_TX_START_IRQ:
            return opt_state(val, (dev->options & CC2420_OPT_TELL_RX_START));

        case NETOPT_TX_END_IRQ:
            return opt_state(val, (dev->options & CC2420_OPT_TELL_RX_END));

        default:
            return -ENOTSUP;
    }
}
示例#10
0
文件: rpl-dag.c 项目: e2rezaei/set-Tx
/*---------------------------------------------------------------------------*/
void
rpl_join_instance(uip_ipaddr_t *from, rpl_dio_t *dio)
{
  rpl_instance_t *instance;
  rpl_dag_t *dag;
  rpl_parent_t *p;
  rpl_of_t *of;
int tx;//elnaz

  dag = rpl_alloc_dag(dio->instance_id, &dio->dag_id);
  if(dag == NULL) {
//    PRINTF("RPL: Failed to allocate a DAG object!\n");
    return;
  }

  instance = dag->instance;

  p = rpl_add_parent(dag, dio, from);
//  PRINTF("RPL: Adding ");
//  PRINT6ADDR(from);
//  PRINTF(" as a parent: ");
  if(p == NULL) {
//    PRINTF("failed\n");
    instance->used = 0;
    return;
  }
  p->dtsn = dio->dtsn;
//  PRINTF("succeeded\n");

  /* Determine the objective function by using the
     objective code point of the DIO. */
  of = rpl_find_of(dio->ocp);
  if(of == NULL) {
//    PRINTF("RPL: DIO for DAG instance %u does not specify a supported OF\n",dio->instance_id);
    rpl_remove_parent(p);
    instance->used = 0;
    return;
  }

  /* Autoconfigure an address if this node does not already have an address
     with this prefix. */
  if(dio->prefix_info.flags & UIP_ND6_RA_FLAG_AUTONOMOUS) {
    check_prefix(NULL, &dio->prefix_info);
  }


//-----------------elnaz
  tx =cc2420_get_txpower();
  printf("Power=%d \n",tx);
  switch(tx) {

  case 3:
  	dag->Tx = 0.003;
  	break;
  case 7:
  	dag->Tx = 0.03;
  	break;
  case 11:
  	dag->Tx = 0.1;
  	break;

  case 15:
  	dag->Tx = 0.2;
  	break;

  case 19:
  	dag->Tx = 0.3;
  	break;

  case 23:
  	dag->Tx = 0.5;
  	break;

  case 27:
  	dag->Tx = 0.8;
  	break;

  case 31:
  	dag->Tx = 1;

  }

  /*
      float mv = (bateria * 2.500 * 2) / 4096;
      printf("Battery: (%ld.%03d mV)\n", (long) mv, (unsigned) ((mv - floor(mv)) * 1000));
  */
  //printf("Test tx=%ld  ",(long) (dag->Tx*1000));

//----------------------elnaz


  dag->joined = 1;
  dag->preference = dio->preference;
  dag->grounded = dio->grounded;
  dag->version = dio->version;

  instance->of = of;
  instance->mop = dio->mop;
  instance->current_dag = dag;
  instance->dtsn_out = RPL_LOLLIPOP_INIT;

  instance->max_rankinc = dio->dag_max_rankinc;
  instance->min_hoprankinc = dio->dag_min_hoprankinc;
  instance->dio_intdoubl = dio->dag_intdoubl;
  instance->dio_intmin = dio->dag_intmin;
  instance->dio_intcurrent = instance->dio_intmin + instance->dio_intdoubl;
  instance->dio_redundancy = dio->dag_redund;
  instance->default_lifetime = dio->default_lifetime;
  instance->lifetime_unit = dio->lifetime_unit;

  memcpy(&dag->dag_id, &dio->dag_id, sizeof(dio->dag_id));

  /* Copy prefix information from the DIO into the DAG object. */
  memcpy(&dag->prefix_info, &dio->prefix_info, sizeof(rpl_prefix_t));

  rpl_set_preferred_parent(dag, p);
  instance->of->update_metric_container(instance);
  dag->rank = instance->of->calculate_rank(p, 0);
  /* So far this is the lowest rank we are aware of. */
  dag->min_rank = dag->rank;

  if(default_instance == NULL) {
    default_instance = instance;
  }

//  PRINTF("RPL: Joined DAG with instance ID %u, rank %hu, DAG ID ", dio->instance_id, dag->rank);
//  PRINT6ADDR(&dag->dag_id);
//  PRINTF("\n");

  ANNOTATE("#A join=%u\n", dag->dag_id.u8[sizeof(dag->dag_id) - 1]);

  rpl_reset_dio_timer(instance);
  rpl_set_default_route(instance, from);

  if(instance->mop != RPL_MOP_NO_DOWNWARD_ROUTES) {
    rpl_schedule_dao(instance);
  } else {
//    PRINTF("RPL: The DIO does not meet the prerequisites for sending a DAO\n");
  }
}