/**
* @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() */
