/**
* @brief Finalizes the CSMA procedure
*
* @param status Result of the slotted transmission
*/
static void tx_done(retval_t status)
{
#if (DEBUG > 0)
switch (tal_state)
{
case TAL_SLOTTED_CSMA:
/* That's the state we are expecting */
break;
default:
ASSERT("unexpected tal_state" == 0);
break;
}
#endif
#if (DEBUG > 0)
if (pal_is_timer_running(TAL_CSMA_BEACON_LOSS_TIMER))
{
ASSERT("beacon lost timer is still running" == 0);
}
#endif
tal_state = TAL_IDLE;
tal_csma_state = CSMA_IDLE;
/* debug pin to switch on: define ENABLE_DEBUG_PINS, pal_config.h */
PIN_CSMA_END();
tal_tx_frame_done_cb(status, mac_frame_ptr);
}
/**
* \brief Finalizes the CSMA procedure
*
* \param status Result of the slotted transmission
*/
static void tx_done(retval_t status)
{
#if (_DEBUG_ > 0)
switch (tal_state) {
case TAL_SLOTTED_CSMA:
case TAL_TX_BASIC:
break;
#if ((MAC_START_REQUEST_CONFIRM == 1) && (defined BEACON_SUPPORT))
case TAL_TX_BEACON:
Assert("unexpected tal_state TAL_TX_BEACON" == 0);
return;
/* break; */
#endif /* ((MAC_START_REQUEST_CONFIRM == 1) && (defined BEACON_SUPPORT)) */
default:
Assert("unexpected tal_state" == 0);
break;
}
#endif
#if (_DEBUG_ > 0)
if (pal_is_timer_running(TAL_CSMA_BEACON_LOSS_TIMER)) {
Assert("beacon lost timer is still running" == 0);
}
#endif
tal_state = TAL_IDLE;
tal_csma_state = CSMA_IDLE;
/*
* Restore the interrupt handler.
* Install a handler for the transceiver interrupt.
*/
pal_trx_irq_init((FUNC_PTR)trx_irq_handler_cb);
pal_trx_reg_read(RG_IRQ_STATUS);
/* Check if a receive buffer is available. */
if (NULL != tal_rx_buffer) {
pal_trx_reg_write(RG_TRX_STATE, CMD_RX_AACK_ON);
} else {
tal_rx_on_required = true;
}
pal_trx_irq_en();
/* debug pin to switch on: define ENABLE_DEBUG_PINS, pal_config.h */
PIN_CSMA_END();
tal_tx_frame_done_cb(status, mac_frame_ptr);
}
/*
* \brief Implements the handling of the transmission end.
*
* This function handles the callback for the transmission end.
*/
void tx_done_handling(void)
{
tal_state = TAL_IDLE;
#if (defined BEACON_SUPPORT) || (defined ENABLE_TSTAMP)
/*
* The entire timestamp calculation is only required for beaconing
* networks
* or if timestamping is explicitly enabled.
*/
mac_frame_ptr->time_stamp = pal_tx_timestamp;
#endif /* #if (defined BEACON_SUPPORT) || (defined ENABLE_TSTAMP) */
retval_t status;
switch (trx_trac_status) {
case TRAC_SUCCESS:
status = MAC_SUCCESS;
break;
case TRAC_SUCCESS_DATA_PENDING:
status = TAL_FRAME_PENDING;
break;
case TRAC_CHANNEL_ACCESS_FAILURE:
status = MAC_CHANNEL_ACCESS_FAILURE;
break;
case TRAC_NO_ACK:
status = MAC_NO_ACK;
break;
case TRAC_INVALID:
status = FAILURE;
break;
default:
Assert("Unexpected tal_tx_state" == 0);
status = FAILURE;
break;
}
#ifdef ENABLE_RTB
rtb_tx_frame_done_cb(status, mac_frame_ptr);
#else
/* Regular handling without RTB */
tal_tx_frame_done_cb(status, mac_frame_ptr);
#endif
} /* tx_done_handling() */
/*
* \brief Implements the handling of the transmission end.
*
* This function handles the callback for the transmission end.
*/
void tx_done_handling(void)
{
tal_state = TAL_IDLE;
#if (defined BEACON_SUPPORT) || (defined ENABLE_TSTAMP)
/*
* The entire timestamp calculation is only required for beaconing
*networks
* or if timestamping is explicitly enabled.
*/
/* Calculate negative offset of timestamp */
uint16_t offset;
/* Calculate the tx time */
offset
= TAL_CONVERT_SYMBOLS_TO_US(
(PHY_OVERHEAD + LENGTH_FIELD_LEN) * SYMBOLS_PER_OCTET)
+ TAL_PSDU_US_PER_OCTET(*tal_frame_to_tx + FCS_LEN)
+ IRQ_PROCESSING_DLY_US;
if (mac_frame_ptr->mpdu[PL_POS_FCF_1] & FCF_ACK_REQUEST) {
/* Tx timestamp needs to be reduced by ACK duration etc. */
offset
+= TAL_CONVERT_SYMBOLS_TO_US(
(PHY_OVERHEAD +
LENGTH_FIELD_LEN) * SYMBOLS_PER_OCTET) +
TAL_PSDU_US_PER_OCTET(ACK_PAYLOAD_LEN +
FCS_LEN);
#ifdef HIGH_DATA_RATE_SUPPORT
if (tal_pib.CurrentPage == 0) {
offset += TAL_CONVERT_SYMBOLS_TO_US(aTurnaroundTime);
} else {
offset += 32;
}
#else
offset += TAL_CONVERT_SYMBOLS_TO_US(aTurnaroundTime);
#endif /* #ifdef HIGH_DATA_RATE_SUPPORT */
}
mac_frame_ptr->time_stamp -= offset;
#endif /* #if (defined BEACON_SUPPORT) || (defined ENABLE_TSTAMP) */
retval_t status;
switch (trx_trac_status) {
case TRAC_SUCCESS:
status = MAC_SUCCESS;
break;
case TRAC_SUCCESS_DATA_PENDING:
status = TAL_FRAME_PENDING;
break;
case TRAC_CHANNEL_ACCESS_FAILURE:
status = MAC_CHANNEL_ACCESS_FAILURE;
break;
case TRAC_NO_ACK:
status = MAC_NO_ACK;
break;
case TRAC_INVALID:
status = FAILURE;
break;
default:
Assert("Unexpected tal_tx_state" == 0);
status = FAILURE;
break;
}
tal_tx_frame_done_cb(status, mac_frame_ptr);
} /* tx_done_handling() */
/*
* \brief Implements the TAL tx state machine.
*
* This function implements the TAL tx state machine.
*/
void tx_state_handling(void)
{
tal_tx_sub_state_t tx_sub_state
= (tal_tx_sub_state_t)(tal_state &
TAL_TX_SUB_STATE_MASK);
switch (tal_state & TAL_MAIN_STATE_MASK) {
case TAL_TX_AUTO:
switch (tx_sub_state) {
case TAL_TX_FRAME_PENDING:
tal_state = TAL_IDLE;
tal_tx_frame_done_cb(TAL_FRAME_PENDING, mac_frame_ptr);
break;
case TAL_TX_SUCCESS:
tal_state = TAL_IDLE;
tal_tx_frame_done_cb(MAC_SUCCESS, mac_frame_ptr);
break;
case TAL_TX_ACCESS_FAILURE:
tal_state = TAL_IDLE;
tal_tx_frame_done_cb(MAC_CHANNEL_ACCESS_FAILURE,
mac_frame_ptr);
break;
case TAL_TX_NO_ACK:
tal_state = TAL_IDLE;
tal_tx_frame_done_cb(MAC_NO_ACK, mac_frame_ptr);
break;
case TAL_TX_FAILURE:
tal_state = TAL_IDLE;
tal_tx_frame_done_cb(FAILURE, mac_frame_ptr);
break;
default:
break;
}
break;
case TAL_TX_BASIC:
switch (tx_sub_state) {
case TAL_TX_SUCCESS:
tal_state = TAL_IDLE;
tal_tx_frame_done_cb(MAC_SUCCESS, mac_frame_ptr);
break;
default:
break;
}
break;
#if ((MAC_START_REQUEST_CONFIRM == 1) && (defined BEACON_SUPPORT))
case TAL_TX_BEACON:
switch (tx_sub_state) {
case TAL_TX_SUCCESS:
if (tal_csma_state == BACKOFF_WAITING_FOR_BEACON) {
tal_csma_state = CSMA_HANDLE_BEACON;
tal_state = TAL_SLOTTED_CSMA;
} else {
tal_state = TAL_IDLE;
}
break;
default:
break;
}
break;
#endif /* ((MAC_START_REQUEST_CONFIRM == 1) && (defined BEACON_SUPPORT)) */
}
} /* tx_state_handling() */
/*
* \brief Implements the handling of the transmission end.
*
* This function handles the callback for the transmission end.
*/
void tx_done_handling(void)
{
tal_state = TAL_IDLE;
#if (defined BEACON_SUPPORT) || (defined ENABLE_TSTAMP)
#if (DISABLE_TSTAMP_IRQ == 0)
/*
* The Tx timestamp IRQ is enabled and provided via DIG2.
* The actual value is stored within trx_irq_timestamp_handler_cb();
* see file "tal_irq_handler.c".
* The value gets stored into the mac_frame_ptr structure during the
* tx end interrupt; see handle_tx_end_irq().
* So, here is nothing left to do.
*/
#else /* (DISABLE_TSTAMP_IRQ == 1) */
/*
* The entire timestamp calculation is only required for beaconing networks
* or if timestamping is explicitly enabled.
*/
/* Calculate negative offset of timestamp */
uint16_t offset;
/* Calculate the tx time */
offset =
TAL_CONVERT_SYMBOLS_TO_US((PHY_OVERHEAD + LENGTH_FIELD_LEN) * SYMBOLS_PER_OCTET)
+ TAL_PSDU_US_PER_OCTET(*tal_frame_to_tx + FCS_LEN)
+ TRX_IRQ_DELAY_US;
if (mac_frame_ptr->mpdu[PL_POS_FCF_1] & FCF_ACK_REQUEST)
{
/* Tx timestamp needs to be reduced by ACK duration etc. */
offset += TAL_CONVERT_SYMBOLS_TO_US((PHY_OVERHEAD + LENGTH_FIELD_LEN) * SYMBOLS_PER_OCTET) +
TAL_PSDU_US_PER_OCTET(ACK_PAYLOAD_LEN + FCS_LEN);
offset += TAL_CONVERT_SYMBOLS_TO_US(aTurnaroundTime);
}
mac_frame_ptr->time_stamp -= offset;
#endif /* #if (DISABLE_TSTAMP_IRQ == 0) */
#endif /* #if (defined BEACON_SUPPORT) || (defined ENABLE_TSTAMP) */
retval_t status;
switch (trx_trac_status)
{
case TRAC_SUCCESS:
status = MAC_SUCCESS;
break;
case TRAC_SUCCESS_DATA_PENDING:
status = TAL_FRAME_PENDING;
break;
case TRAC_CHANNEL_ACCESS_FAILURE:
status = MAC_CHANNEL_ACCESS_FAILURE;
break;
case TRAC_NO_ACK:
status = MAC_NO_ACK;
break;
case TRAC_INVALID:
status = FAILURE;
break;
default:
Assert("Unexpected tal_tx_state" == 0);
status = FAILURE;
break;
}
tal_tx_frame_done_cb(status, mac_frame_ptr);
} /* tx_done_handling() */
