/**
 * @brief todo
 *
 */
retval_t tal_rampup(void)
{
    pal_trx_init();

    if (trx_init() != MAC_SUCCESS)
    {
        return FAILURE;
    }

    /*
     * Do the reset stuff.
     * Set the default PIBs.
     * Generate random seed.
     */
    if (internal_tal_reset(true) != MAC_SUCCESS)
    {
        return FAILURE;
    }

    /*
     * Activate interrupt handling.
     */
    pal_trx_irq_en();   /* Enable transceiver main interrupt. */

#if ((defined BEACON_SUPPORT) || (defined ENABLE_TSTAMP)) && (DISABLE_TSTAMP_IRQ == 0)
    /* Configure time stamp interrupt. */
    pal_trx_irq_en_tstamp();    /* Enable timestamp interrupt. */
#endif

    return MAC_SUCCESS;
} /* tal_rampup() */
Exemplo n.º 2
0
trx_retval_t tal_init(void)
{
	if (trx_init() != TRX_SUCCESS) {
		return TRX_FAILURE;
	}

	/*
	 * Do the reset stuff.
	 * Generate random seed.
	 */
	if (internal_tal_reset() != TRX_SUCCESS) {
		return TRX_FAILURE;
	}

	/* Set the default CCA mode. */
	pal_trx_bit_write(SR_CCA_MODE, CCA_MODE_DEFAULT);

	/* Default configuration to perform auto CSMA-CA */
	pal_trx_reg_write(RG_CSMA_BE, ((MAXBE_DEFAULT << 4) | MINBE_DEFAULT));
	pal_trx_bit_write(SR_MAX_CSMA_RETRIES, MAX_CSMA_BACKOFFS_DEFAULT);

	/* Set the trx in promiscuous mode to receive all frame with CRC OK */
	pal_trx_bit_write(SR_AACK_PROM_MODE, PROM_MODE_ENABLE);

	/* Configuration to perform auto CRC for transmission */
	pal_trx_bit_write(SR_TX_AUTO_CRC_ON, TX_AUTO_CRC_ENABLE);

	return TRX_SUCCESS;
}
Exemplo n.º 3
0
/**
 * @brief Initializes the TAL
 *
 * This function is called to initialize the TAL. The transceiver is
 * initialized, the TAL PIBs are set to their default values, and the TAL state
 * machine is set to TAL_IDLE state.
 *
 * @return MAC_SUCCESS  if the transceiver state is changed to TRX_OFF and the
 *                 current device part number and version number are correct;
 *         FAILURE otherwise
 */
retval_t tal_init(void)
{
    /* Init the PAL and by this means also the transceiver interface */
    if (pal_init() != MAC_SUCCESS)
    {
        return FAILURE;
    }

    if (trx_init() != MAC_SUCCESS)
    {
        return FAILURE;
    }

#if (EXTERN_EEPROM_AVAILABLE == 1)
    pal_ps_get(EXTERN_EEPROM, EE_IEEE_ADDR, 8, &tal_pib.IeeeAddress);
#else
    pal_ps_get(INTERN_EEPROM, EE_IEEE_ADDR, 8, &tal_pib.IeeeAddress);
#endif

    /*
     * Do the reset stuff.
     * Set the default PIBs.
     * Generate random seed.
     */
    if (internal_tal_reset(true) != MAC_SUCCESS)
    {
        return FAILURE;
    }

#ifndef DISABLE_IEEE_ADDR_CHECK
    /* Check if a valid IEEE address is available. */
    /*
     * This while loop is on purpose, since just in the
     * rare case that such an address is randomly
     * generated again, we must repeat this.
     */
    while ((tal_pib.IeeeAddress == 0x0000000000000000) ||
            (tal_pib.IeeeAddress == 0xFFFFFFFFFFFFFFFF)
          )
    {
        /*
         * In case no valid IEEE address is available, a random
         * IEEE address will be generated to be able to run the
         * applications for demonstration purposes.
         * In production code this can be omitted.
         */
        /*
         * The proper seed for function rand() has already been generated
         * in function tal_generate_rand_seed().
         */
        uint8_t *ptr_pib = (uint8_t *)&tal_pib.IeeeAddress;

        for (uint8_t i = 0; i < 8; i++)
        {
            *ptr_pib++ = (uint8_t)rand();
            /*
             * Note:
             * Even if casting the 16 bit rand value back to 8 bit,
             * and running the loop 8 timers (instead of only 4 times)
             * may look cumbersome, it turns out that the code gets
             * smaller using 8-bit here.
             * And timing is not an issue at this place...
             */
        }
    }
#endif  /* #ifndef DISABLE_IEEE_ADDR_CHECK */

    /*
     * Configure interrupt handling.
     * Install handlers for the transceiver interrupts.
     */
    pal_trx_irq_init_rx_end((FUNC_PTR)trx_rx_end_handler_cb);
    pal_trx_irq_init_tx_end((FUNC_PTR)trx_tx_end_handler_cb);
    pal_trx_irq_init_awake((FUNC_PTR)trx_awake_handler_cb);

#if (defined BEACON_SUPPORT) || (defined ENABLE_TSTAMP)
    /* Configure time stamp interrupt. */
    pal_trx_irq_init_tstamp((FUNC_PTR)trx_irq_timestamp_handler_cb);
#endif /* (defined BEACON_SUPPORT) || (defined ENABLE_TSTAMP) */

    /* Initialize the buffer management module and get a buffer to store reveived frames. */
    bmm_buffer_init();
    tal_rx_buffer = bmm_buffer_alloc(LARGE_BUFFER_SIZE);

    /* Init incoming frame queue */
#ifdef ENABLE_QUEUE_CAPACITY
    qmm_queue_init(&tal_incoming_frame_queue, TAL_INCOMING_FRAME_QUEUE_CAPACITY);
#else
    qmm_queue_init(&tal_incoming_frame_queue);
#endif  /* ENABLE_QUEUE_CAPACITY */

#ifdef ENABLE_TFA
    tfa_init();
#endif

    return MAC_SUCCESS;
} /* tal_init() */
/**
 * @brief Initializes the TAL
 *
 * This function is called to initialize the TAL. The transceiver is
 * initialized, the TAL PIBs are set to their default values, and the TAL state
 * machine is set to TAL_IDLE state.
 *
 * @return MAC_SUCCESS  if the transceiver state is changed to TRX_OFF and the
 *                 current device part number and version number are correct;
 *         FAILURE otherwise
 */
retval_t tal_init(void)
{
    /* Init the PAL and by this means also the transceiver interface */
#ifdef ENABLE_RP
    /*
     * The ranging processor (RP) only performs a minimalistic
     * initialization here.
     */
    pal_basic_init();
#else  /* !ENABLE_RP */
    if (pal_init() != MAC_SUCCESS)
    {
        return FAILURE;
    }

    if (trx_init() != MAC_SUCCESS)
    {
        return FAILURE;
    }

#if (EXTERN_EEPROM_AVAILABLE == 1)
    pal_ps_get(EXTERN_EEPROM, EE_IEEE_ADDR, 8, &tal_pib.IeeeAddress);
#else
    #if (USER_SIGN_AVAILABLE == 1)
        pal_ps_get(USER_SIGNATURE, USER_SIGNATURES_START + 2, 8, &tal_pib.IeeeAddress);
        //http://www.atmel.com/Images/Atmel-42172-Wireless-ZigBit-ATZB-X0-256-3-0-C_Datasheet.pdf
    #else
        pal_ps_get(INTERN_EEPROM, EE_IEEE_ADDR, 8, &tal_pib.IeeeAddress);
    #endif
#endif

    /*
     * Do the reset stuff.
     * Set the default PIBs.
     * Generate random seed.
     */
    if (internal_tal_reset(true) != MAC_SUCCESS)
    {
        return FAILURE;
    }

#ifndef DISABLE_IEEE_ADDR_CHECK
    /* Check if a valid IEEE address is available. */
    /*
     * This while loop is on purpose, since just in the
     * rare case that such an address is randomly
     * generated again, we must repeat this.
     */
    while ((tal_pib.IeeeAddress == 0x0000000000000000) ||
           (tal_pib.IeeeAddress == 0xFFFFFFFFFFFFFFFF))
    {
        /*
         * In case no valid IEEE address is available, a random
         * IEEE address will be generated to be able to run the
         * applications for demonstration purposes.
         * In production code this can be omitted.
         */
        /*
         * The proper seed for function rand() has already been generated
         * in function tal_generate_rand_seed().
         */
        uint8_t *ptr_pib = (uint8_t *)&tal_pib.IeeeAddress;

        for (uint8_t i = 0; i < 8; i++)
        {
            *ptr_pib++ = (uint8_t)rand();
            /*
             * Note:
             * Even if casting the 16 bit rand value back to 8 bit,
             * and running the loop 8 timers (instead of only 4 times)
             * may look cumbersome, it turns out that the code gets
             * smaller using 8-bit here.
             * And timing is not an issue at this place...
             */
        }
    }
#endif  /* #ifndef DISABLE_IEEE_ADDR_CHECK */
#endif  /* ENABLE_RP */

    /*
     * Configure interrupt handling.
     * Install a handler for the transceiver interrupt.
     */
    pal_trx_irq_init(trx_irq_handler_cb);
#ifndef ENABLE_RP
    pal_trx_irq_en();   /* Enable transceiver main interrupt. */
#endif

#if ((defined BEACON_SUPPORT) || (defined ENABLE_TSTAMP)) && (DISABLE_TSTAMP_IRQ == 0)
    /* Configure time stamp interrupt. */
    pal_trx_irq_init_tstamp(trx_irq_timestamp_handler_cb);
#ifndef ENABLE_RP
    pal_trx_irq_en_tstamp();    /* Enable timestamp interrupt. */
#endif
#endif

    /* Initialize the buffer management module and get a buffer to store received frames. */
    bmm_buffer_init();
    tal_rx_buffer = bmm_buffer_alloc(LARGE_BUFFER_SIZE);
#if DEBUG > 0
    if (tal_rx_buffer == NULL)
    {
        return FAILURE;
    }
#endif

    /* Init incoming frame queue */
#ifdef ENABLE_QUEUE_CAPACITY
    qmm_queue_init(&tal_incoming_frame_queue, TAL_INCOMING_FRAME_QUEUE_CAPACITY);
#else
    qmm_queue_init(&tal_incoming_frame_queue);
#endif  /* ENABLE_QUEUE_CAPACITY */

#ifdef ENABLE_TFA
    tfa_init();
#endif

    return MAC_SUCCESS;
} /* tal_init() */
Exemplo n.º 5
0
int main(int argc, char **argv)
{
    char dev_if[16];
    int opt;
    int err = 0;
    int daemonize = 0;
    int log_level = LOG_WARN;
    char *log_file = NULL;

    memset(dev_if, '\0', sizeof(dev_if));
    strncpy(dev_if, PHOST_DEFAULT_TAP_DEVICE, sizeof(dev_if) - 1);

    phost_set_program_name(basename(argv[0]));

    /* parse options */
    while(1){
        opt = getopt(argc, argv, "Dd:i:p:l:n:v");
        if(opt < 0){
            break;
        }

        switch(opt){
        case 'D':
            daemonize = 1;
            break;
        case 'd':
            if(optarg){
                if(atoi(optarg) < LOG_LEVEL_MAX){
                    log_level = atoi(optarg);
                }
                else{
                    phost_print_usage();
                    exit(1);
                }
            }
            else{
                err |= 1;
            }
            break;
        case 'i':
            if(optarg){
                memset(dev_if, '\0', sizeof(dev_if));
                strncpy(dev_if, optarg, sizeof(dev_if) - 1);
            }
            else{
                err |= 1;
            }
            break;
        case 'p':
            if(optarg){
                memset(pid_dir, '\0', sizeof(pid_dir));
                strncpy(pid_dir, optarg, sizeof(pid_dir) - 1);
            }
            else{
                err |= 1;
            }
            break;
        case 'l':
            if(optarg){
                memset(log_dir, '\0', sizeof(log_dir));
                strncpy(log_dir, optarg, sizeof(log_dir) - 1);
            }
            else{
                err |= 1;
            }
            break;
        case 'n':
            if(optarg){
                memset(host_name, '\0', sizeof(host_name));
                strncpy(host_name, optarg, sizeof(host_name) - 1);
            }
            else{
                err |= 1;
            }
            break;
        case 'v':
            log_file = LOG_OUT_STDOUT;
            log_level = LOG_DEBUG;
            break;
        default:
            err |= 1;
        }
    }

    if(err){
        phost_print_usage();
        exit(1);
    }

    if(log_file == NULL){
        log_file = (char*)malloc(sizeof(char)*(strlen(log_dir)+strlen(PHOST_LOG_FILE)+strlen(dev_if)+3));
        sprintf(log_file, "%s/%s.%s", log_dir, PHOST_LOG_FILE, dev_if);
    }

    /* check if this process is run with root privilege */
    if(getuid() != 0){
        fprintf(stderr, "[ERROR] `%s' must be run with root privilege.\n", program_name);
        exit(1);
    }

    /* register signal handler */
    signal(SIGINT, phost_handle_signals);
    signal(SIGTERM, phost_handle_signals);
    signal(SIGPIPE, SIG_IGN);
    signal(SIGUSR1, SIG_IGN);
    signal(SIGUSR2, SIG_IGN);

    /* initializations */
    if(log_init(log_level, log_file) < 0){
        fprintf(stderr, "[ERROR] cannot initialize logger.\n");
        exit(1);
    }

    if(daemonize && (phost_daemonize() < 0)){
        fprintf(stderr, "[ERROR] cannot daemonize.\n");
        exit(1);
    }

    if(strncmp(dev_if, "tap", 3) != 0){
        if(ethdev_init(dev_if) < 0){
            fprintf(stderr, "[ERROR] cannot initialize Ethernet device (%s).\n", dev_if);
            exit(1);
        }
        trx_init(ethdev_read, ethdev_send);
    }
    else{
        if(tap_init(dev_if) < 0){
            fprintf(stderr, "[ERROR] cannot create tap device (%s).\n", dev_if);
            exit(1);
        }
        trx_init(tap_read, tap_send);
    }

    phost_set_global_params();
    phost_create_pid_file(host_name);

    cmdif_init(dev_if, stats_udp_send_update);
    arp_init(host_mac_addr, host_ip_addr);
    ipv4_init(host_ip_addr, host_ip_mask);
    udp_init(stats_udp_recv_update);

    pkt_dump = (char*)malloc(sizeof(char)*PKT_BUF_SIZE*2);

    while(run){
        phost_run();
        cmdif_run();
        arp_age_entries();
    }

    free(pkt_dump);

    cmdif_close();
    tap_close();
    phost_delete_pid_file(host_name);
    phost_unset_global_params();
    log_close();

    return 0;
}
Exemplo n.º 6
0
/*
 * \brief Initializes the TAL
 *
 * This function is called to initialize the TAL. The transceiver is
 * initialized, the TAL PIBs are set to their default values, and the TAL state
 * machine is set to TAL_IDLE state.
 *
 * \return MAC_SUCCESS  if the transceiver state is changed to TRX_OFF and the
 *                 current device part number and version number are correct;
 *         FAILURE otherwise
 */
retval_t tal_init(void)
{
    /* Init the PAL and by this means also the transceiver interface */
    if (pal_init() != MAC_SUCCESS) {
        return FAILURE;
    }

    if (trx_init() != MAC_SUCCESS) {
        return FAILURE;
    }

    if (tal_timer_init() != MAC_SUCCESS) {
        return FAILURE;
    }

#ifdef ENABLE_STACK_NVM
    pal_ps_get(INTERN_EEPROM, EE_IEEE_ADDR, 8, &tal_pib.IeeeAddress);
#endif

    /*
     * For systems including the AT86RF230B the random seed generation
     * cannot be done using a dedicated hardware feature.
     * Therefore all random seed generation needs to be done by special
     * means (e.g. utilization of ADC) that generate a random value only
     * within a certain range.
     *
     * In case the node already has a valid IEEE address (i.e. an IEEE
     * address which is different from 0x0000000000000000 or
     * 0xFFFFFFFFFFFFFFFF), this IEEE address (the lower 16 bit)
     * shall be used as seed for srand(), since each node should have a
     *unique
     * IEEE address.
     * In this case srand() is called directly and function
     *tal_generate_rand_seed()
     * is not called.
     *
     * Note: This behaviour is different in all other TALs, since in these
     * cases the seed for srand() is always generated based on transceiver
     * hardware support.
     */

#ifndef DISABLE_IEEE_ADDR_CHECK
    if ((tal_pib.IeeeAddress == 0x0000000000000000) ||
            (tal_pib.IeeeAddress == 0xFFFFFFFFFFFFFFFF)
       ) {
        /*
         * Generate a seed for the random number generator in function
         *rand().
         * This is required (for example) as seed for the CSMA-CA
         *algorithm.
         */
        tal_generate_rand_seed();

        /*
         * Now that we have generated a random seed, we can generate a
         *random
         * IEEE address for this node.
         */
        do {
            /*
             * In case no valid IEEE address is available, a random
             * IEEE address will be generated to be able to run the
             * applications for demonstration purposes.
             * In production code this can be omitted.
             */

            /*
             * The proper seed for function rand() has already been
             *generated
             * in function tal_generate_rand_seed().
             */
            uint8_t *ptr_pib = (uint8_t *)&tal_pib.IeeeAddress;

            for (uint8_t i = 0; i < 8; i++) {
                *ptr_pib++ = (uint8_t)rand();

                /*
                 * Note:
                 * Even if casting the 16 bit rand value back to
                 *8 bit,
                 * and running the loop 8 timers (instead of
                 *only 4 times)
                 * may look cumbersome, it turns out that the
                 *code gets
                 * smaller using 8-bit here.
                 * And timing is not an issue at this place...
                 */
            }
        }
        /* Check if a valid IEEE address is available. */
        while ((tal_pib.IeeeAddress == 0x0000000000000000) ||
                (tal_pib.IeeeAddress == 0xFFFFFFFFFFFFFFFF)
              );
    } else {
        /* Valid IEEE address, so no need to generate a new random seed.
         **/
        uint16_t cur_rand_seed = (uint16_t)tal_pib.IeeeAddress;
        srand(cur_rand_seed);
    }

#else

    /*
     * No check for a valid IEEE address done, so directly create a seed
     * for srand().
     */
    tal_generate_rand_seed();
#endif

    /*
     * Do the reset stuff.
     * Set the default PIBs.
     */
    if (internal_tal_reset(true) != MAC_SUCCESS) {
        return FAILURE;
    }

    pal_trx_reg_read(RG_IRQ_STATUS); /* clear pending irqs, dummy read */

    /*
     * Configure interrupt handling.
     * Install a handler for the transceiver interrupt.
     */
    pal_trx_irq_init((FUNC_PTR)trx_irq_handler_cb);
    pal_trx_irq_en(); /* Enable transceiver main interrupt. */

    /* Initialize the buffer management module and get a buffer to store
     *reveived frames. */
    bmm_buffer_init();
    tal_rx_buffer = bmm_buffer_alloc(LARGE_BUFFER_SIZE);

    /* Init incoming frame queue */
#ifdef ENABLE_QUEUE_CAPACITY
    qmm_queue_init(&tal_incoming_frame_queue,
                   TAL_INCOMING_FRAME_QUEUE_CAPACITY);
#else
    qmm_queue_init(&tal_incoming_frame_queue);
#endif  /* ENABLE_QUEUE_CAPACITY */

    return MAC_SUCCESS;
} /* tal_init() */
Exemplo n.º 7
0
/**
 * @brief Resets TAL state machine and sets the default PIB values if requested
 *
 * @param trx_id Transceiver identifier
 * @param set_default_pib Defines whether PIB values need to be set
 *                        to its default values
 *
 * @return
 *      - @ref MAC_SUCCESS if the transceiver state is changed to TRX_OFF
 *      - @ref FAILURE otherwise
 * @ingroup apiTalApi
 */
retval_t tal_reset(trx_id_t trx_id, bool set_default_pib)
{
	rf_cmd_state_t previous_trx_state[NUM_TRX];

	previous_trx_state[RF09] = trx_state[RF09];
	previous_trx_state[RF24] = trx_state[RF24];

	/* Reset the actual device or part of the device */
	if (trx_reset(trx_id) != MAC_SUCCESS) {
		return FAILURE;
	}

	/* Init Trx if necessary, e.g. trx was in deep sleep */
	if (((previous_trx_state[RF09] == RF_SLEEP) &&
			(previous_trx_state[RF24] == RF_SLEEP)) ||
			(trx_id == RFBOTH)) {
		trx_init(); /* Initialize generic trx functionality */
	}

	if (trx_id == RFBOTH) {
		for (uint8_t i = 0; i < NUM_TRX; i++) {
			/* Clean TAL and removed any pending tasks */
			cleanup_tal((trx_id_t)i);

			/* Configure the transceiver register values. */
			trx_config((trx_id_t)i);

			if (set_default_pib) {
				/* Set the default PIB values */
				init_tal_pib((trx_id_t)i); /* see 'tal_pib.c' */
				calculate_pib_values(trx_id);
			} else {
				/* nothing to do - the current TAL PIB attribute
				 *values are used */
			}

			write_all_tal_pib_to_trx((trx_id_t)i); /* see
			                                        *'tal_pib.c' */
			config_phy((trx_id_t)i);

			/* Reset TAL variables. */
			tal_state[(trx_id_t)i] = TAL_IDLE;
			tx_state[(trx_id_t)i] = TX_IDLE;
#ifdef ENABLE_FTN_PLL_CALIBRATION
			/* Stop FTN timer */
			stop_ftn_timer((trx_id_t)i);
#endif  /* ENABLE_FTN_PLL_CALIBRATION */
		}
	} else {
		/* Maintain other trx */
		trx_id_t other_trx_id;
		if (trx_id == RF09) {
			other_trx_id = RF24;
		} else {
			other_trx_id = RF09;
		}

		if (tal_state[other_trx_id] == TAL_SLEEP) {
			/* Switch other trx back to sleep again */
			uint16_t reg_offset = RF_BASE_ADDR_OFFSET *
					other_trx_id;
#ifdef IQ_RADIO
			pal_dev_reg_write(RF215_BB, reg_offset + RG_RF09_CMD,
					RF_SLEEP);
			pal_dev_reg_write(RF215_RF, reg_offset + RG_RF09_CMD,
					RF_SLEEP);
#else
			trx_reg_write(reg_offset + RG_RF09_CMD, RF_SLEEP);
#endif
			TAL_RF_IRQ_CLR_ALL(trx_id);
		}

		/* Clean TAL and removed any pending tasks */
		cleanup_tal(trx_id);

		/* Configure the transceiver register values. */
		trx_config(trx_id);

		if (set_default_pib) {
			/* Set the default PIB values */
			init_tal_pib(trx_id); /* see 'tal_pib.c' */
			calculate_pib_values(trx_id);
		} else {
			/* nothing to do - the current TAL PIB attribute values
			 *are used */
		}

		write_all_tal_pib_to_trx(trx_id); /* see 'tal_pib.c' */
		config_phy(trx_id);

		/* Reset TAL variables. */
		tal_state[trx_id] = TAL_IDLE;
		tx_state[trx_id] = TX_IDLE;
#ifdef ENABLE_FTN_PLL_CALIBRATION
		/* Stop FTN timer */
		stop_ftn_timer(trx_id);
#endif  /* ENABLE_FTN_PLL_CALIBRATION */
	}

	/*
	 * Configure interrupt handling.
	 * Install a handler for the transceiver interrupt.
	 */
#ifdef IQ_RADIO
	trx_irq_init(RF215_BB, bb_irq_handler_cb);
	trx_irq_init(RF215_RF, rf_irq_handler_cb);
	pal_trx_irq_en(RF215_BB); /* Enable transceiver main interrupt. */
	pal_trx_irq_en(RF215_RF); /* Enable transceiver main interrupt. */
#else
	trx_irq_init((FUNC_PTR)trx_irq_handler_cb);
	pal_trx_irq_en(); /* Enable transceiver main interrupt. */
#endif

	return MAC_SUCCESS;
}
Exemplo n.º 8
0
/**
 * @brief Initializes the TAL
 *
 * This function is called to initialize the TAL. The transceiver is
 * initialized, the TAL PIBs are set to their default values, and the TAL state
 * machine is set to TAL_IDLE state.
 *
 * @return MAC_SUCCESS  if the transceiver state is changed to TRX_OFF and the
 *                 current device part number and version number are correct;
 *         FAILURE otherwise
 */
retval_t tal_init(void)
{
	/* Init the PAL and by this means also the transceiver interface */
	if (pal_init() != MAC_SUCCESS) {
		return FAILURE;
	}

	/* Reset trx */
	if (trx_reset(RFBOTH) != MAC_SUCCESS) {
		return FAILURE;
	}

	/* Check if RF215 is connected */
	if ((trx_reg_read( RG_RF_PN) != 0x34) ||
			(trx_reg_read( RG_RF_VN) != 0x01)) {
		return FAILURE;
	}

	/* Initialize trx */
	trx_init();

	if (tal_timer_init() != MAC_SUCCESS) {
		return FAILURE;
	}

	/* Initialize the buffer management */
	bmm_buffer_init();

	/* Configure both trx and set default PIB values */
	for (uint8_t trx_id = 0; trx_id < NUM_TRX; trx_id++) {
		/* Configure transceiver */
		trx_config((trx_id_t)trx_id);
#ifdef RF215V1
		/* Calibrate LO */
		calibrate_LO((trx_id_t)trx_id);
#endif

		/* Set the default PIB values */
		init_tal_pib((trx_id_t)trx_id); /* see 'tal_pib.c' */
		calculate_pib_values((trx_id_t)trx_id);

		/*
		 * Write all PIB values to the transceiver
		 * that are needed by the transceiver itself.
		 */
		write_all_tal_pib_to_trx((trx_id_t)trx_id); /* see 'tal_pib.c'
		                                             **/
		config_phy((trx_id_t)trx_id);

		tal_rx_buffer[trx_id] = bmm_buffer_alloc(LARGE_BUFFER_SIZE);
		if (tal_rx_buffer[trx_id] == NULL) {
			return FAILURE;
		}

		/* Init incoming frame queue */
		qmm_queue_init(&tal_incoming_frame_queue[trx_id]);

		tal_state[trx_id] = TAL_IDLE;
		tx_state[trx_id] = TX_IDLE;
	}

	/* Init seed of rand() */
	tal_generate_rand_seed();

#ifndef DISABLE_IEEE_ADDR_CHECK
	for (uint8_t trx_id = 0; trx_id < 2; trx_id++) {
		/* Check if a valid IEEE address is available. */

		/*
		 * This while loop is on purpose, since just in the
		 * rare case that such an address is randomly
		 * generated again, we must repeat this.
		 */
		while ((tal_pib[trx_id].IeeeAddress == 0x0000000000000000) ||
				(tal_pib[trx_id].IeeeAddress ==
				((uint64_t)-1))) {
			/*
			 * In case no valid IEEE address is available, a random
			 * IEEE address will be generated to be able to run the
			 * applications for demonstration purposes.
			 * In production code this can be omitted.
			 */

			/*
			 * The proper seed for function rand() has already been
			 *generated
			 * in function tal_generate_rand_seed().
			 */
			uint8_t *ptr_pib
				= (uint8_t *)&tal_pib[trx_id].IeeeAddress;

			for (uint8_t i = 0; i < 8; i++) {
				*ptr_pib++ = (uint8_t)rand();

				/*
				 * Note:
				 * Even if casting the 16 bit rand value back to
				 *8 bit,
				 * and running the loop 8 timers (instead of
				 *only 4 times)
				 * may look cumbersome, it turns out that the
				 *code gets
				 * smaller using 8-bit here.
				 * And timing is not an issue at this place...
				 */
			}
		}
	}
#endif

#ifdef IQ_RADIO
	/* Init BB IRQ handler */
	pal_trx_irq_flag_clr(RF215_BB);
	trx_irq_init(RF215_BB, bb_irq_handler_cb);
	pal_trx_irq_en(RF215_BB);

	/* Init RF IRQ handler */
	pal_trx_irq_flag_clr(RF215_RF);
	trx_irq_init(RF215_RF, rf_irq_handler_cb);
	pal_trx_irq_en(RF215_RF);
#else

	/*
	 * Configure interrupt handling.
	 * Install a handler for the radio and the baseband interrupt.
	 */
	pal_trx_irq_flag_clr();
	trx_irq_init((FUNC_PTR)trx_irq_handler_cb);
	pal_trx_irq_en(); /* Enable transceiver main interrupt. */
#endif

#if ((defined SUPPORT_FSK) && (defined SUPPORT_MODE_SWITCH))
	init_mode_switch();
#endif

	return MAC_SUCCESS;
} /* tal_init() */