/**
* @brief The MLME-START.request primitive makes a request for the device to
* start using a new superframe configuration
*
* @param m Pointer to MLME_START.request message issued by the NHLE
*/
void mlme_start_request(uint8_t *m)
{
mlme_start_req_t *msg = (mlme_start_req_t *)BMM_BUFFER_POINTER((buffer_t *)m);
/*
* The MLME_START.request parameters are copied into a global variable
* structure, which is used by check_start_parameter() function.
*/
memcpy(&msr_params, msg, sizeof(msr_params));
if (BROADCAST == tal_pib.ShortAddress)
{
/*
* The device is void of short address. This device cannot start a
* network, hence a confirmation is given back.
*/
gen_mlme_start_conf((buffer_t *)m, MAC_NO_SHORT_ADDRESS);
return;
}
#ifndef REDUCED_PARAM_CHECK
if (!check_start_parameter(msg))
{
/*
* The MLME_START.request parameters are invalid, hence confirmation
* is given to NHLE.
*/
gen_mlme_start_conf((buffer_t *)m, MAC_INVALID_PARAMETER);
}
else
#endif /* REDUCED_PARAM_CHECK */
{
/*
* All the start parameters are valid, hence MLME_START.request can
* proceed.
*/
set_tal_pib_internal(mac_i_pan_coordinator,
(void *)&(msg->PANCoordinator));
if (msr_params.CoordRealignment)
{
/* First inform our devices of the configuration change */
if (!mac_tx_coord_realignment_command(COORDINATORREALIGNMENT,
(buffer_t *)m,
msr_params.PANId,
msr_params.LogicalChannel,
msr_params.ChannelPage))
{
/*
* The coordinator realignment command was unsuccessful,
* hence the confiramtion is given to NHLE.
*/
gen_mlme_start_conf((buffer_t *)m, MAC_INVALID_PARAMETER);
}
}
else
{
/* This is a normal MLME_START.request. */
retval_t channel_set_status, channel_page_set_status;
/* The new PIBs are set at the TAL. */
set_tal_pib_internal(macBeaconOrder, (void *)&(msg->BeaconOrder));
/* If macBeaconOrder is equal to 15, set also macSuperframeOrder to 15. */
if (msg->BeaconOrder == NON_BEACON_NWK)
{
msg->SuperframeOrder = NON_BEACON_NWK;
}
set_tal_pib_internal(macSuperframeOrder, (void *)&(msg->SuperframeOrder));
#ifdef BEACON_SUPPORT
/*
* Symbol times are calculated according to the new BO and SO
* values.
*/
if (tal_pib.BeaconOrder < NON_BEACON_NWK)
{
set_tal_pib_internal(macBattLifeExt,
(void *)&(msr_params.BatteryLifeExtension));
}
#endif /* BEACON_SUPPORT */
/* Wake up radio first */
mac_trx_wakeup();
/* MLME_START.request parameters other than BO and SO are set at TAL */
set_tal_pib_internal(macPANId, (void *)&(msr_params.PANId));
channel_page_set_status =
set_tal_pib_internal(phyCurrentPage,
(void *)&(msr_params.ChannelPage));
channel_set_status =
set_tal_pib_internal(phyCurrentChannel,
(void *)&(msr_params.LogicalChannel));
set_tal_pib_internal(mac_i_pan_coordinator,
(void *)&(msr_params.PANCoordinator));
if ((MAC_SUCCESS == channel_page_set_status) &&
(MAC_SUCCESS == channel_set_status) &&
(PHY_RX_ON == tal_rx_enable(PHY_RX_ON))
)
{
if (msr_params.PANCoordinator)
{
mac_state = MAC_PAN_COORD_STARTED;
}
else
{
mac_state = MAC_COORDINATOR;
}
gen_mlme_start_conf((buffer_t *)m, MAC_SUCCESS);
#ifdef BEACON_SUPPORT
/*
* In case we have a beaconing network, the beacon timer needs
* to be started now.
*/
if (tal_pib.BeaconOrder != NON_BEACON_NWK)
{
mac_start_beacon_timer();
}
#endif /* BEACON_SUPPORT */
}
else
{
/* Start of network failed. */
gen_mlme_start_conf((buffer_t *)m, MAC_INVALID_PARAMETER);
}
/* Set radio to sleep if allowed */
mac_sleep_trans();
}
}
}
/*
* @brief Set the transceiver state to PHY_TRX_OFF
*
* This actually turns the radio receiver off - i.e. this is the end
* of the PHY_RX_ON period.
*
* @param callback_parameter Callback parameter
*/
static void mac_t_rx_off_cb(void *callback_parameter)
{
uint8_t status;
/*
* Rx is disabled.
* This will make sure that the radio will be put to sleep in function
* mac_sleep_trans().
*/
mac_rx_enabled = false;
/*
* In case macRxOnWhenIdle is not set, the radio is put to PHY_TRX_OFF
* state, until the return status does not match the desired radio
* state,
* i.e. PHY_TRX_OFF
*/
if (!mac_pib.mac_RxOnWhenIdle) {
/*
* In case the radio is awake, we need to switch RX off.
*/
if (RADIO_AWAKE == mac_radio_sleep_state) {
status = tal_rx_enable(PHY_TRX_OFF);
if (status != PHY_TRX_OFF) {
/*
* The TAL is still busy and cannot set the TRX
* to OFF.
* In order to get progress this requires
* another
* round of the TAL task being processed.
* Therefore the MAC task needs to stopp here
* and pass
* controll back to the TAL.
* This is reached by starting the Rx-Enable
* timer again
* for a very short time with the same callback
* returning
* here very soon.
*/
pal_timer_start(T_Rx_Enable,
MIN_TIMEOUT,
TIMEOUT_RELATIVE,
(FUNC_PTR)mac_t_rx_off_cb,
NULL);
/*
* Return now, since the TAL is still busy, so
* radio cannot go
* to sleep for now.
*/
return;
} else {
/* Set radio to sleep if allowed */
mac_sleep_trans();
}
}
}
callback_parameter = callback_parameter; /* Keep compiler happy. */
}
/**
* @brief Continues handling of MLME_START.request (Coordinator realignment)
* command
*
* This function is called once the coordinator realignment command is
* sent out to continue the handling of the MLME_START.request command.
*
* @param tx_status Status of the coordinator realignment command
* transmission
* @param buf_ptr Buffer for start confirmation
*/
void mac_coord_realignment_command_tx_success(uint8_t tx_status,
buffer_t *buf_ptr)
{
uint8_t conf_status = MAC_INVALID_PARAMETER;
retval_t channel_set_status, channel_page_set_status;
if (MAC_SUCCESS == tx_status) {
/* The parameters of the existing PAN are updated. */
channel_page_set_status
= set_tal_pib_internal(phyCurrentPage,
(void *)&(msr_params.ChannelPage));
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == channel_page_set_status);
#endif
channel_set_status
= set_tal_pib_internal(phyCurrentChannel,
(void *)&msr_params.LogicalChannel);
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == channel_set_status);
#endif
if ((MAC_SUCCESS == channel_set_status) &&
(MAC_SUCCESS == channel_page_set_status)) {
conf_status = MAC_SUCCESS;
set_tal_pib_internal(macPANId,
(void *)&(msr_params.PANId));
#ifdef BEACON_SUPPORT
/*
* Store current beacon order in order to be able to
* detect
* switching from nonbeacon to beacon network.
*/
uint8_t cur_beacon_order = tal_pib.BeaconOrder;
set_tal_pib_internal(macBeaconOrder,
(void *)&(msr_params.BeaconOrder));
set_tal_pib_internal(macSuperframeOrder,
(void *)&(msr_params.SuperframeOrder));
/*
* New symbol times for beacon time (in sysbols) and
* inactive time are
* calculated according to the new superframe
* configuration.
*/
if (msr_params.BeaconOrder < NON_BEACON_NWK) {
set_tal_pib_internal(macBattLifeExt,
(void *)&(msr_params.
BatteryLifeExtension));
}
if ((NON_BEACON_NWK < cur_beacon_order) &&
(msr_params.BeaconOrder ==
NON_BEACON_NWK)) {
/*
* This is a transition from a beacon enabled
* network to
* a nonbeacon enabled network.
* In this case the broadcast data queue will
* never be served.
*
* Therefore the broadcast queue needs to be
* emptied.
* The standard does not define what to do now.
* The current implementation will try to send
* all pending broadcast
* data frames immediately, thus giving the
* receiving nodes a chance
* receive them.
*/
while (broadcast_q.size > 0) {
mac_tx_pending_bc_data();
}
}
if ((NON_BEACON_NWK == cur_beacon_order) &&
(msr_params.BeaconOrder <
NON_BEACON_NWK)) {
/*
* This is a transition from a nonbeacon enabled
* network to
* a beacon enabled network, hence the beacon
* timer will be
* started.
*/
mac_start_beacon_timer();
}
#endif /* BEACON_SUPPORT */
}
}
gen_mlme_start_conf(buf_ptr, conf_status);
/* Set radio to sleep if allowed */
mac_sleep_trans();
} /* mac_coord_realignment_command_tx_success() */
/**
* @brief Initializes the MAC sublayer
*
* @return MAC_SUCCESS if TAL is intialized successfully else FAILURE
*/
retval_t mac_init(void)
{
#ifdef GTS_DEBUG
struct port_config config_port_pin;
config_port_pin.direction = PORT_PIN_DIR_OUTPUT;
port_pin_set_config(DEBUG_PIN1, &config_port_pin);
port_pin_set_config(DEBUG_PIN2, &config_port_pin);
port_pin_set_config(DEBUG_PIN3, &config_port_pin);
port_pin_set_config(DEBUG_PIN4, &config_port_pin);
port_pin_set_config(DEBUG_PIN5, &config_port_pin);
port_pin_set_config(DEBUG_PIN6, &config_port_pin);
port_pin_set_config(DEBUG_PIN7, &config_port_pin);
port_pin_set_config(DEBUG_PIN8, &config_port_pin);
port_pin_set_config(DEBUG_PIN9, &config_port_pin);
port_pin_set_config(DEBUG_PIN10, &config_port_pin);
port_pin_set_config(DEBUG_PIN11, &config_port_pin);
port_pin_set_config(DEBUG_PIN12, &config_port_pin);
port_pin_set_config(DEBUG_PIN13, &config_port_pin);
port_pin_set_config(DEBUG_PIN14, &config_port_pin);
port_pin_set_config(DEBUG_PIN15, &config_port_pin);
/*ioport_configure_pin(DEBUG_PIN1, IOPORT_DIR_OUTPUT |
* IOPORT_INIT_LOW);
* ioport_configure_pin(DEBUG_PIN2, IOPORT_DIR_OUTPUT |
* IOPORT_INIT_LOW);
* ioport_configure_pin(DEBUG_PIN3, IOPORT_DIR_OUTPUT |
* IOPORT_INIT_LOW);
* ioport_configure_pin(DEBUG_PIN4, IOPORT_DIR_OUTPUT |
* IOPORT_INIT_LOW);*/
#endif
/* Initialize TAL */
if (tal_init() != MAC_SUCCESS) {
return FAILURE;
}
#ifdef STB_ON_SAL
stb_init();
#endif
#ifdef ENABLE_RTB
/* Initialize RTB */
if (rtb_init() != RTB_SUCCESS) {
return FAILURE;
}
#endif /* ENABLE_RTB */
/* Calibrate MCU's RC oscillator */
if (!pal_calibrate_rc_osc()) {
return FAILURE;
}
if (MAC_SUCCESS != mac_timers_init()) {
return FAILURE;
}
mac_soft_reset(true);
/* Set radio to sleep if allowed */
mac_sleep_trans();
/* Initialize the queues */
#ifdef ENABLE_QUEUE_CAPACITY
qmm_queue_init(&nhle_mac_q, NHLE_MAC_QUEUE_CAPACITY);
qmm_queue_init(&tal_mac_q, TAL_MAC_QUEUE_CAPACITY);
#if (MAC_INDIRECT_DATA_FFD == 1)
qmm_queue_init(&indirect_data_q, INDIRECT_DATA_QUEUE_CAPACITY);
#endif /* (MAC_INDIRECT_DATA_FFD == 1) */
#if (MAC_START_REQUEST_CONFIRM == 1)
#ifdef BEACON_SUPPORT
qmm_queue_init(&broadcast_q, BROADCAST_QUEUE_CAPACITY);
#endif /* BEACON_SUPPORT */
#endif /* (MAC_START_REQUEST_CONFIRM == 1) */
#else
qmm_queue_init(&nhle_mac_q);
qmm_queue_init(&tal_mac_q);
#if (MAC_INDIRECT_DATA_FFD == 1)
qmm_queue_init(&indirect_data_q);
#endif /* (MAC_INDIRECT_DATA_FFD == 1) */
#if (MAC_START_REQUEST_CONFIRM == 1)
#ifdef BEACON_SUPPORT
qmm_queue_init(&broadcast_q);
#endif /* BEACON_SUPPORT */
#endif /* (MAC_START_REQUEST_CONFIRM == 1) */
#endif /* ENABLE_QUEUE_CAPACITY */
return MAC_SUCCESS;
}
retval_t mlme_set(uint8_t attribute, pib_value_t *attribute_value,
bool set_trx_to_sleep)
#endif
{
/*
* Variables indicates whether the transceiver has been woken up for
* setting a TAL PIB attribute.
*/
static bool trx_pib_wakeup;
retval_t status = MAC_SUCCESS;
switch (attribute) {
#if (MAC_ASSOCIATION_REQUEST_CONFIRM == 1)
case macAssociatedPANCoord:
mac_pib.mac_AssociatedPANCoord
= attribute_value->pib_value_8bit;
break;
#endif /* (MAC_ASSOCIATION_REQUEST_CONFIRM == 1) */
#if ((MAC_INDIRECT_DATA_BASIC == 1) || defined(BEACON_SUPPORT))
case macMaxFrameTotalWaitTime:
mac_pib.mac_MaxFrameTotalWaitTime
= attribute_value->pib_value_16bit;
break;
#endif /* ((MAC_INDIRECT_DATA_BASIC == 1) || defined(BEACON_SUPPORT)) */
case macResponseWaitTime:
mac_pib.mac_ResponseWaitTime = attribute_value->pib_value_16bit;
break;
case macAutoRequest:
#if (MAC_BEACON_NOTIFY_INDICATION == 1)
/*
* If the beacon notification indications are not included
* in the build, macAutoRequest can be changed as desired, since
* beacon frames will be indicated to the higher
* layer if required as defined by IEEE 802.15.4.
*/
mac_pib.mac_AutoRequest = attribute_value->pib_value_8bit;
break;
#else
/*
* If the beacon notification indications are not included
* in the build, macAutoRequest must not be changed, since
* beacon frames will never be indicated to the higher
* layer, i.e. the higher would not be able to act on
* received beacon frame information itself.
*/
status = MAC_INVALID_PARAMETER;
break;
#endif /* (MAC_BEACON_NOTIFY_INDICATION == 1) */
#ifdef GTS_SUPPORT
case macGTSPermit:
mac_pib.mac_GTSPermit
= attribute_value->pib_value_8bit;
break;
#endif /* GTS_SUPPORT */
case macBattLifeExtPeriods:
mac_pib.mac_BattLifeExtPeriods
= attribute_value->pib_value_8bit;
break;
#if (MAC_ASSOCIATION_INDICATION_RESPONSE == 1)
case macAssociationPermit:
mac_pib.mac_AssociationPermit = attribute_value->pib_value_8bit;
break;
#endif /* (MAC_ASSOCIATION_INDICATION_RESPONSE == 1) */
#if (MAC_START_REQUEST_CONFIRM == 1)
case macBeaconPayload:
memcpy(mac_beacon_payload, attribute_value,
mac_pib.mac_BeaconPayloadLength);
break;
case macBeaconPayloadLength:
#ifndef REDUCED_PARAM_CHECK
/*
* If the application sits directly on top of the MAC,
* this is also checked in mac_api.c.
*/
if (attribute_value->pib_value_8bit > aMaxBeaconPayloadLength) {
status = MAC_INVALID_PARAMETER;
break;
}
#endif /* REDUCED_PARAM_CHECK */
mac_pib.mac_BeaconPayloadLength
= attribute_value->pib_value_8bit;
break;
case macBSN:
mac_pib.mac_BSN = attribute_value->pib_value_8bit;
break;
#endif /* (MAC_START_REQUEST_CONFIRM == 1) */
#if (MAC_INDIRECT_DATA_FFD == 1)
case macTransactionPersistenceTime:
mac_pib.mac_TransactionPersistenceTime
= attribute_value->pib_value_16bit;
break;
#endif /* (MAC_INDIRECT_DATA_FFD == 1) */
case macCoordExtendedAddress:
mac_pib.mac_CoordExtendedAddress
= attribute_value->pib_value_64bit;
break;
case macCoordShortAddress:
mac_pib.mac_CoordShortAddress
= attribute_value->pib_value_16bit;
break;
case macDSN:
mac_pib.mac_DSN = attribute_value->pib_value_8bit;
break;
case macRxOnWhenIdle:
mac_pib.mac_RxOnWhenIdle = attribute_value->pib_value_8bit;
/* Check whether radio state needs to change now, */
if (mac_pib.mac_RxOnWhenIdle) {
/* Check whether the radio needs to be woken up. */
mac_trx_wakeup();
/* Set transceiver in rx mode, otherwise it may stay in
* TRX_OFF). */
tal_rx_enable(PHY_RX_ON);
} else {
/* Check whether the radio needs to be put to sleep. */
mac_sleep_trans();
}
break;
case macBattLifeExt:
case macBeaconOrder:
case macMaxCSMABackoffs:
case macMaxBE:
case macMaxFrameRetries:
case macMinBE:
case macPANId:
#ifdef PROMISCUOUS_MODE
case macPromiscuousMode:
#endif /* PROMISCUOUS_MODE */
case macShortAddress:
case macSuperframeOrder:
case macIeeeAddress:
case phyCurrentChannel:
case phyCurrentPage:
case phyTransmitPower:
case phyCCAMode:
#ifdef TEST_HARNESS
case macPrivateCCAFailure:
case macPrivateDisableACK:
#endif /* TEST_HARNESS */
{
/* Now only TAL PIB attributes are handled anymore. */
status = tal_pib_set(attribute, attribute_value);
if (status == TAL_TRX_ASLEEP) {
/*
* Wake up the transceiver and repeat the
* attempt
* to set the TAL PIB attribute.
*/
tal_trx_wakeup();
status
= tal_pib_set(attribute,
attribute_value);
if (status == MAC_SUCCESS) {
/*
* Set flag indicating that the trx has
* been woken up
* during PIB setting.
*/
trx_pib_wakeup = true;
}
}
#if ((MAC_INDIRECT_DATA_BASIC == 1) || defined(BEACON_SUPPORT))
/*
* In any case that the PIB setting was successful (no
* matter
* whether the trx had to be woken up or not), the PIB
* attribute
* recalculation needs to be done.
*/
if (status == MAC_SUCCESS) {
/*
* The value of the PIB attribute
* macMaxFrameTotalWaitTime depends on the
* values of the
* following PIB attributes:
* macMinBE
* macMaxBE
* macMaxCSMABackoffs
* phyMaxFrameDuration
* In order to save code space and since
* changing of PIB
* attributes is going to happen not too often,
* this is done
* always whenever a PIB attribute residing in
* TAL is changed
* (since all above mentioned PIB attributes are
* in TAL).
*/
recalc_macMaxFrameTotalWaitTime();
}
#endif /* ((MAC_INDIRECT_DATA_BASIC == 1) || defined(BEACON_SUPPORT)) */
}
break;
case macAckWaitDuration:
default:
status = MAC_UNSUPPORTED_ATTRIBUTE;
break;
#if ((defined MAC_SECURITY_ZIP) || (defined MAC_SECURITY_2006))
case macSecurityEnabled:
mac_pib.mac_SecurityEnabled = attribute_value->pib_value_8bit;
break;
case macKeyTable:
if (attribute_index >= mac_sec_pib.KeyTableEntries) {
status = MAC_INVALID_INDEX;
} else {
memcpy(&mac_sec_pib.KeyTable[attribute_index],
attribute_value,
sizeof(mac_key_table_t));
}
break;
case macKeyTableEntries:
if (attribute_value->pib_value_8bit >
MAC_ZIP_MAX_KEY_TABLE_ENTRIES) {
status = MAC_INVALID_PARAMETER;
} else {
mac_sec_pib.KeyTableEntries
= attribute_value->pib_value_8bit;
}
break;
case macDeviceTable:
if (attribute_index >= mac_sec_pib.DeviceTableEntries) {
status = MAC_INVALID_INDEX;
} else {
uint8_t *attribute_temp_ptr
= (uint8_t *)attribute_value;
/*
* Since the members of the mac_dev_table_t structure do
* contain padding bytes,
* each member needs to be filled in separately.
*/
/* PAN-Id */
memcpy((uint8_t *)&mac_sec_pib.DeviceTable[
attribute_index].DeviceDescriptor[
0].PANId,
attribute_temp_ptr,
sizeof(uint16_t));
/*
*
*ADDR_COPY_DST_SRC_16(mac_sec_pib.DeviceTable[attribute_index].DeviceDescriptor[0].PANId,
*(uint16_t *)attribute_temp_ptr); */
attribute_temp_ptr += sizeof(uint16_t);
/* Short Address */
memcpy((uint8_t *)&mac_sec_pib.DeviceTable[
attribute_index].DeviceDescriptor[
0].ShortAddress,
attribute_temp_ptr,
sizeof(uint16_t));
/*ADDR_COPY_DST_SRC_16(mac_sec_pib.DeviceTable[attribute_index].DeviceDescriptor[0].ShortAddress,
*(uint16_t *)attribute_temp_ptr);*/
attribute_temp_ptr += sizeof(uint16_t);
/* Extended Address */
memcpy((uint8_t *)&mac_sec_pib.DeviceTable[
attribute_index].DeviceDescriptor[
0].ExtAddress,
attribute_temp_ptr,
sizeof(uint64_t));
/*ADDR_COPY_DST_SRC_64(mac_sec_pib.DeviceTable[attribute_index].DeviceDescriptor[0].ExtAddress,
*(uint64_t *)attribute_temp_ptr);*/
attribute_temp_ptr += sizeof(uint64_t);
/* Extended Address */
memcpy(
&mac_sec_pib.DeviceTable[attribute_index].DeviceDescriptor[
0].FrameCounter,
attribute_temp_ptr,
sizeof(uint32_t));
attribute_temp_ptr += sizeof(uint32_t);
/* Exempt */
mac_sec_pib.DeviceTable[attribute_index].
DeviceDescriptor[0].Exempt
= *attribute_temp_ptr;
}
break;
case macDeviceTableEntries:
if (attribute_value->pib_value_16bit >
MAC_ZIP_MAX_DEV_TABLE_ENTRIES) {
status = MAC_INVALID_PARAMETER;
} else {
mac_sec_pib.DeviceTableEntries
= attribute_value->pib_value_16bit;
}
break;
case macSecurityLevelTable:
if (attribute_index >= mac_sec_pib.SecurityLevelTableEntries) {
status = MAC_INVALID_INDEX;
} else {
memcpy(&mac_sec_pib.SecurityLevelTable[attribute_index],
attribute_value,
sizeof(mac_sec_lvl_table_t));
}
break;
case macSecurityLevelTableEntries:
if (attribute_value->pib_value_8bit >
MAC_ZIP_MAX_SEC_LVL_TABLE_ENTRIES) {
status = MAC_INVALID_PARAMETER;
} else {
mac_sec_pib.SecurityLevelTableEntries
= attribute_value->pib_value_8bit;
}
break;
case macFrameCounter:
mac_sec_pib.FrameCounter = attribute_value->pib_value_32bit;
break;
case macDefaultKeySource:
/* Key Source length is 8 octets. */
memcpy(mac_sec_pib.DefaultKeySource, attribute_value, 8);
break;
case macPANCoordExtendedAddress:
memcpy(mac_sec_pib.PANCoordExtendedAddress, attribute_value, 8);
break;
case macPANCoordShortAddress:
mac_sec_pib.PANCoordShortAddress
= attribute_value->pib_value_16bit;
break;
#endif /* (MAC_SECURITY_ZIP || MAC_SECURITY_2006) */
#ifdef TEST_HARNESS
case macPrivateIllegalFrameType:
mac_pib.privateIllegalFrameType
= attribute_value->pib_value_8bit;
break;
case macPrivateNoDataAfterAssocReq:
mac_pib.privateNoDataAfterAssocReq
= attribute_value->pib_value_8bit;
break;
case macPrivateVirtualPANs:
mac_pib.privateVirtualPANs = attribute_value->pib_value_8bit;
break;
#endif /* TEST_HARNESS */
}
/*
* In case the transceiver shall be forced back to sleep and
* has been woken up, it is put back to sleep again.
*/
if (set_trx_to_sleep && trx_pib_wakeup && !mac_pib.mac_RxOnWhenIdle) {
#ifdef ENABLE_DEEP_SLEEP
tal_trx_sleep(DEEP_SLEEP_MODE);
#else
tal_trx_sleep(SLEEP_MODE_1);
#endif
trx_pib_wakeup = false;
}
return status;
}
void bc_data_cb(frame_info_t *transmit_frame)
{
uint8_t index;
index = nwkFindPassiveAck(transmit_frame->NwkFrameHeader->srcAddr, transmit_frame->NwkFrameHeader->sequenceNumber);
if (index != 0xFF)
{
if (gNwkPassiveAckTable.table[index].end == false)
{
do
{
if (gNwkPassiveAckTable.table[index].realyNeighborNum >= neighborTable.size)
break;
while (transmit_frame->AppFrameHeader->frameControl.tries != 0)//以后要用这个NWK_MAX_BROADCAST_RETRIES
{
transmit_frame->AppFrameHeader->AppPayload[transmit_frame->AppFrameHeader->length] ^= transmit_frame->AppFrameHeader->frameControl.tries;
transmit_frame->AppFrameHeader->frameControl.tries--;
transmit_frame->AppFrameHeader->AppPayload[transmit_frame->AppFrameHeader->length] ^= transmit_frame->AppFrameHeader->frameControl.tries;
//mac_trx_wakeup();
retval_t status = FAILURE;
transmit_frame->mpdu[3] = mac_pib.mac_DSN++;
/* In Nonbeacon build the frame is sent with unslotted CSMA-CA. */
status = tal_tx_frame(transmit_frame, CSMA_UNSLOTTED, true);
if (MAC_SUCCESS == status)
{
MAKE_MAC_BUSY();
/* Start timer to initiate next broadcast data transmission. */
pal_timer_start(gNwkPassiveAckTable.table[index].timerID,
((uint32_t)NWK_PASSIVE_ACK_TIMEOUT),
TIMEOUT_RELATIVE,
(FUNC_PTR)bc_data_cb,
transmit_frame);
gNwkPassiveAckTable.table[index].reTryTimes++;
}
else
{
break;
}
return;
}
}while(0);
NwkState = NWK_MODULE_NONE;
pal_timer_start(gNwkPassiveAckTable.table[index].timerID,
((uint32_t) (NWK_BROADCAST_DELIVERY_TIME-(gNwkPassiveAckTable.table[index].reTryTimes+1)*NWK_PASSIVE_ACK_TIMEOUT)),
TIMEOUT_RELATIVE,
(FUNC_PTR)bc_data_cb,
transmit_frame);
gNwkPassiveAckTable.table[index].end = true;
return;
}
gNwkPassiveAckTable.table[index].end = false;
gNwkPassiveAckTable.table[index].reTryTimes = 0;
nwkFreePassiveAck(transmit_frame->NwkFrameHeader->srcAddr, transmit_frame->NwkFrameHeader->sequenceNumber);
if (transmit_frame != NULL)
bmm_buffer_free(transmit_frame->buffer_header);
//NwkState = NWK_MODULE_NONE;
mac_sleep_trans();
}
}
/**
* @brief Continues processing a data indication from the TAL for
* non-polling and non-scanning states of the MAC
* (mac_poll_state == MAC_POLL_IDLE, mac_scan_state == MAC_SCAN_IDLE).
*
* @param b_ptr Pointer to the buffer header.
* @param f_ptr Pointer to the frame_info_t structure.
*
* @return bool True if frame has been processed, or false otherwise.
*/
static bool process_data_ind_not_transient(buffer_t *b_ptr, frame_info_t *f_ptr)
{
bool processed_in_not_transient = false;
/*
* We are in MAC_POLL_IDLE and MAC_SCAN_IDLE now,
* so continue with the real MAC states.
*/
switch (mac_state) {
#if (MAC_START_REQUEST_CONFIRM == 1)
case MAC_PAN_COORD_STARTED:
{
switch (mac_parse_data.frame_type) {
case FCF_FRAMETYPE_MAC_CMD:
{
switch (mac_parse_data.mac_command) {
#if (MAC_ASSOCIATION_INDICATION_RESPONSE == 1)
case ASSOCIATIONREQUEST:
mac_process_associate_request(b_ptr);
processed_in_not_transient = true;
break;
#endif /* (MAC_ASSOCIATION_INDICATION_RESPONSE == 1) */
#if (MAC_DISASSOCIATION_BASIC_SUPPORT == 1)
case DISASSOCIATIONNOTIFICATION:
mac_process_disassociate_notification(b_ptr);
processed_in_not_transient = true;
break;
#endif /* (MAC_DISASSOCIATION_BASIC_SUPPORT == 1) */
#if (MAC_INDIRECT_DATA_FFD == 1)
case DATAREQUEST:
if (indirect_data_q.size > 0) {
mac_process_data_request(b_ptr);
processed_in_not_transient = true;
} else {
mac_handle_tx_null_data_frame();
}
break;
#endif /* (MAC_INDIRECT_DATA_FFD == 1) */
#if (MAC_ORPHAN_INDICATION_RESPONSE == 1)
case ORPHANNOTIFICATION:
mac_process_orphan_notification(b_ptr);
processed_in_not_transient = true;
break;
#endif /* (MAC_ORPHAN_INDICATION_RESPONSE == 1) */
case BEACONREQUEST:
mac_process_beacon_request(b_ptr);
processed_in_not_transient = true;
break;
#if (MAC_PAN_ID_CONFLICT_AS_PC == 1)
case PANIDCONFLICTNOTIFICAION:
mac_sync_loss(MAC_PAN_ID_CONFLICT);
break;
#endif /* (MAC_PAN_ID_CONFLICT_AS_PC == 1) */
#ifdef GTS_SUPPORT
case GTSREQUEST:
mac_process_gts_request(b_ptr);
processed_in_not_transient = true;
#endif /* GTS_SUPPORT */
default:
break;
}
}
break;
case FCF_FRAMETYPE_DATA:
mac_process_data_frame(b_ptr);
processed_in_not_transient = true;
break;
#if (MAC_PAN_ID_CONFLICT_AS_PC == 1)
case FCF_FRAMETYPE_BEACON:
/* PAN-Id conflict detection as PAN-Coordinator. */
/* Node is not scanning. */
check_for_pan_id_conflict_as_pc(false);
break;
#endif /* (MAC_PAN_ID_CONFLICT_AS_PC == 1) */
default:
break;
}
}
break;
/* MAC_PAN_COORD_STARTED */
#endif /* (MAC_START_REQUEST_CONFIRM == 1) */
case MAC_IDLE:
#if (MAC_ASSOCIATION_REQUEST_CONFIRM == 1)
case MAC_ASSOCIATED:
#endif /* (MAC_ASSOCIATION_REQUEST_CONFIRM == 1) */
#if (MAC_START_REQUEST_CONFIRM == 1)
case MAC_COORDINATOR:
#endif /* (MAC_START_REQUEST_CONFIRM == 1) */
{
/* Is it a Beacon from our parent? */
switch (mac_parse_data.frame_type) {
#if (MAC_SYNC_REQUEST == 1)
case FCF_FRAMETYPE_BEACON:
{
uint32_t beacon_tx_time_symb;
/* Check for PAN-Id conflict being NOT a PAN
* Corodinator. */
#if (MAC_PAN_ID_CONFLICT_NON_PC == 1)
if (mac_pib.mac_AssociatedPANCoord &&
(MAC_IDLE !=
mac_state)) {
check_for_pan_id_conflict_non_pc(false);
}
#endif /* (MAC_PAN_ID_CONFLICT_NON_PC == 1) */
/* Check if the beacon is received from my
* parent. */
if ((mac_parse_data.src_panid ==
tal_pib.PANId) &&
(((mac_parse_data.src_addr_mode
== FCF_SHORT_ADDR) &&
(mac_parse_data.src_addr.
short_address ==
mac_pib.mac_CoordShortAddress))
||
((mac_parse_data.src_addr_mode
== FCF_LONG_ADDR) &&
(mac_parse_data.src_addr.
long_address ==
mac_pib.mac_CoordExtendedAddress))))
{
beacon_tx_time_symb
= TAL_CONVERT_US_TO_SYMBOLS(
f_ptr->time_stamp);
#if (_DEBUG_ > 0)
retval_t set_status =
#endif
set_tal_pib_internal(macBeaconTxTime,
(void *)&beacon_tx_time_symb);
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == set_status);
#endif
if ((MAC_SYNC_TRACKING_BEACON ==
mac_sync_state)
||
(MAC_SYNC_BEFORE_ASSOC
==
mac_sync_state)
) {
uint32_t nxt_bcn_tm;
uint32_t beacon_int_symb;
/* Process a received beacon. */
mac_process_beacon_frame(b_ptr);
/* Initialize beacon tracking
* timer. */
{
retval_t tmr_start_res
= FAILURE;
#ifdef BEACON_SUPPORT
if (tal_pib.BeaconOrder
<
NON_BEACON_NWK)
{
beacon_int_symb
=
TAL_GET_BEACON_INTERVAL_TIME(
tal_pib.BeaconOrder);
} else
#endif /* BEACON_SUPPORT */
{
beacon_int_symb
=
TAL_GET_BEACON_INTERVAL_TIME(
BO_USED_FOR_MAC_PERS_TIME);
}
pal_timer_stop(
T_Beacon_Tracking_Period);
#if (_DEBUG_ > 0)
if (pal_is_timer_running(
T_Beacon_Tracking_Period))
{
Assert(
"Bcn tmr running" ==
0);
}
#endif
do {
/*
* Calculate the
* time for next
* beacon
* transmission
*/
beacon_tx_time_symb
=
tal_add_time_symbols(
beacon_tx_time_symb,
beacon_int_symb);
/*
* Take into
* account the
* time taken by
* the radio to
* wakeup from
* sleep state
*/
nxt_bcn_tm
=
tal_sub_time_symbols(
beacon_tx_time_symb,
TAL_RADIO_WAKEUP_TIME_SYM <<
(
tal_pib
.
BeaconOrder
+
2));
tmr_start_res
=
pal_timer_start(
T_Beacon_Tracking_Period,
TAL_CONVERT_SYMBOLS_TO_US(
nxt_bcn_tm),
TIMEOUT_ABSOLUTE,
(
FUNC_PTR)mac_t_tracking_beacons_cb,
NULL);
} while (MAC_SUCCESS !=
tmr_start_res);
#ifdef GTS_DEBUG
port_pin_toggle_output_level(
DEBUG_PIN1);
port_pin_set_output_level(
DEBUG_PIN2,
0);
#endif
}
/*
* Initialize superframe timer
* if required only
* for devices because
* Superframe timer is already
* running for
* coordinator.
*/
/* TODO */
if (MAC_ASSOCIATED ==
mac_state) {
mac_superframe_state
= MAC_ACTIVE_CAP;
/* Check whether the
* radio needs to be
* woken up. */
mac_trx_wakeup();
/* Set transceiver in rx
* mode, otherwise it
* may stay in
* TRX_OFF). */
tal_rx_enable(PHY_RX_ON);
if (tal_pib.
SuperFrameOrder
<
tal_pib
.
BeaconOrder)
{
pal_timer_start(
T_Superframe,
TAL_CONVERT_SYMBOLS_TO_US(
TAL_GET_SUPERFRAME_DURATION_TIME(
tal_pib
.
SuperFrameOrder)),
TIMEOUT_RELATIVE,
(
FUNC_PTR)mac_t_start_inactive_device_cb,
NULL);
#ifdef GTS_DEBUG
port_pin_set_output_level(
DEBUG_PIN2,
1);
#endif
}
#ifdef GTS_SUPPORT
if (mac_final_cap_slot <
FINAL_CAP_SLOT_DEFAULT)
{
uint32_t
gts_tx_time
= (
TAL_CONVERT_SYMBOLS_TO_US(
TAL_GET_SUPERFRAME_DURATION_TIME(
tal_pib
.
SuperFrameOrder))
>>
4)
* (
mac_final_cap_slot
+
1);
pal_timer_start(
T_CAP, gts_tx_time,
TIMEOUT_RELATIVE,
(
FUNC_PTR)mac_t_gts_cb,
NULL);
#ifdef GTS_DEBUG
port_pin_set_output_level(
DEBUG_PIN3,
1);
#endif
}
#endif /* GTS_SUPPORT */
}
/* Initialize missed beacon
* timer. */
mac_start_missed_beacon_timer();
/* A device that is neither
* scanning nor polling shall go
* to sleep now. */
if (
(MAC_COORDINATOR !=
mac_state)
&&
(MAC_SCAN_IDLE ==
mac_scan_state)
&&
(MAC_POLL_IDLE ==
mac_poll_state)
) {
/*
* If the last received
* beacon frame from our
* parent
* has indicated pending
* broadbast data, we
* need to
* stay awake, until the
* broadcast data has
* been received.
*/
if (!
mac_bc_data_indicated)
{
/* Set radio to
* sleep if
* allowed */
mac_sleep_trans();
}
}
} else if (MAC_SYNC_ONCE ==
mac_sync_state) {
mac_process_beacon_frame(b_ptr);
/* Do this after processing the
* beacon. */
mac_sync_state = MAC_SYNC_NEVER;
/* A device that is neither
* scanning nor polling shall go
* to sleep now. */
if (
(MAC_COORDINATOR !=
mac_state)
&&
(MAC_SCAN_IDLE ==
mac_scan_state)
&&
(MAC_POLL_IDLE ==
mac_poll_state)
) {
/*
* If the last received
* beacon frame from our
* parent
* has indicated pending
* broadbast data, we
* need to
* stay awake, until the
* broadcast data has
* been received.
*/
if (!
mac_bc_data_indicated)
{
/* Set radio to
* sleep if
* allowed */
mac_sleep_trans();
}
}
} else {
/* Process the beacon frame */
bmm_buffer_free(b_ptr);
}
processed_in_not_transient = true;
} else {
/*
* @brief Continues handling of MLME_SCAN.request once the radio is awake
*
* @param scan_buf Pointer to Scan request buffer.
*/
static void mac_awake_scan(buffer_t *scan_buf)
{
mlme_scan_conf_t *msc;
msc = (mlme_scan_conf_t *)BMM_BUFFER_POINTER(scan_buf);
/* Set the first channel at which the scan is started */
scan_curr_channel = MIN_CHANNEL;
switch (scan_type) {
#if (MAC_SCAN_ED_REQUEST_CONFIRM == 1)
case MLME_SCAN_TYPE_ED:
msc->scan_result_list[0].ed_value[1] = 0; /* First channel's
* accumulated energy
* level */
mac_scan_state = MAC_SCAN_ED;
scan_proceed(MLME_SCAN_TYPE_ED, (buffer_t *)scan_buf);
break;
#endif /* (MAC_SCAN_ED_REQUEST_CONFIRM == 1) */
#if ((MAC_SCAN_ACTIVE_REQUEST_CONFIRM == 1) || \
(MAC_SCAN_PASSIVE_REQUEST_CONFIRM == 1))
case MLME_SCAN_TYPE_ACTIVE:
case MLME_SCAN_TYPE_PASSIVE:
{
/*
* Before commencing an active or passive scan, the MAC sublayer
* shall store the value of macPANId and then set it to 0cFFFF
* for
* the duration of the scan. This enables the receive filter to
* accept all beacons rather than just the beacons from its
* current PAN (see 7.5.6.2). On completion of the scan, the
* MAC sublayer shall restore the value of macPANId to the
* value stored before the scan began.
*/
uint16_t broadcast_panid = BROADCAST;
mac_scan_orig_panid = tal_pib.PANId;
#if (_DEBUG_ > 0)
retval_t set_status =
#endif
set_tal_pib_internal(macPANId, (void *)&broadcast_panid);
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == set_status);
set_status = set_status;
#endif
if (MLME_SCAN_TYPE_ACTIVE == scan_type) {
/*
* In active scan reuse the scan request buffer for
* sending beacon request.
*/
mac_scan_cmd_buf_ptr = (uint8_t *)scan_buf;
}
/* Allocate a large size buffer for scan confirm. */
mac_conf_buf_ptr
= (uint8_t *)bmm_buffer_alloc(LARGE_BUFFER_SIZE);
if (NULL == mac_conf_buf_ptr) {
/*
* Large buffer is not available for sending scan
* confirmation,
* hence the scan request buffer (small buffer) is used
* to send
* the scan confirmation.
*/
msc->status = MAC_INVALID_PARAMETER;
/* Append scan confirm message to the MAC-NHLE queue */
qmm_queue_append(&mac_nhle_q, scan_buf);
/* Set radio to sleep if allowed */
mac_sleep_trans();
return;
}
if (MLME_SCAN_TYPE_PASSIVE == scan_type) {
/* Free the scan request buffer when in passive scan. */
bmm_buffer_free(scan_buf);
}
msc = (mlme_scan_conf_t *)BMM_BUFFER_POINTER(
(buffer_t *)mac_conf_buf_ptr);
msc->cmdcode = MLME_SCAN_CONFIRM;
msc->ScanType = scan_type;
msc->ChannelPage = scan_curr_page;
msc->UnscannedChannels = scan_channels;
msc->ResultListSize = 0;
msc->scan_result_list[0].ed_value[0] = 0;
scan_proceed(scan_type, (buffer_t *)mac_conf_buf_ptr);
break;
}
#endif /* ((MAC_SCAN_ACTIVE_REQUEST_CONFIRM == 1) ||
*(MAC_SCAN_PASSIVE_REQUEST_CONFIRM == 1)) */
#if (MAC_SCAN_ORPHAN_REQUEST_CONFIRM == 1)
case MLME_SCAN_TYPE_ORPHAN:
/* Buffer allocated for orphan notification command */
mac_scan_cmd_buf_ptr
= (uint8_t *)bmm_buffer_alloc(LARGE_BUFFER_SIZE);
if (NULL == mac_scan_cmd_buf_ptr) {
msc->status = MAC_INVALID_PARAMETER;
/* Append scan confirm message to the MAC-NHLE queue */
qmm_queue_append(&mac_nhle_q, scan_buf);
/* Set radio to sleep if allowed */
mac_sleep_trans();
return;
}
scan_proceed(MLME_SCAN_TYPE_ORPHAN,
(buffer_t *)mac_conf_buf_ptr);
break;
#endif /* (MAC_SCAN_ORPHAN_REQUEST_CONFIRM == 1) */
default:
msc->status = MAC_INVALID_PARAMETER;
/* Append scan confirm message to the MAC-NHLE queue */
qmm_queue_append(&mac_nhle_q, scan_buf);
/* Set radio to sleep if allowed */
mac_sleep_trans();
break;
}
} /* mac_awake_scan() */
/*
* @brief Proceed with a scan request
*
* This function proceeds with the scanning.
* The current channel is incremented. It is checked if it belongs to the
* list of channels to scan. If so, start scanning. If all channels done,
* send out the MLME_SCAN.confirm message.
*
* @param scanning_type The type of the scan operation to proceed with.
* @param buf Buffer to send mlme scan confirm to NHLE.
*/
static void scan_proceed(uint8_t scanning_type, buffer_t *buf)
{
retval_t set_status;
mlme_scan_conf_t *msc = (mlme_scan_conf_t *)BMM_BUFFER_POINTER(buf);
/* Set the channel page to perform scan */
set_status = set_tal_pib_internal(phyCurrentPage,
(void *)&scan_curr_page);
/* Loop over all channels the MAC has been requested to scan */
for (; scan_curr_channel <= MAX_CHANNEL; scan_curr_channel++) {
#if ((MAC_SCAN_PASSIVE_REQUEST_CONFIRM == 1) || \
(MAC_SCAN_ACTIVE_REQUEST_CONFIRM == 1))
if (
((MAC_SCAN_ACTIVE == mac_scan_state) ||
(MAC_SCAN_PASSIVE == mac_scan_state)) &&
mac_pib.mac_AutoRequest
) {
/*
* For active or passive scans, bail out if we
* reached our maximum number of PANDescriptors that
* could
* be stored. That way, the upper layer will get the
* correct set of unscanned channels returned, so it can
* continue scanning if desired.
*
* According to 802.15.4-2006 PAN descriptor are only
* present
* in the scan confirm message in case the PIB attribute
* macAutoRequest is true.
*/
if (msc->ResultListSize >= MAX_PANDESCRIPTORS) {
break;
}
}
#endif /* ((MAC_SCAN_PASSIVE_REQUEST_CONFIRM == 1) ||
*(MAC_SCAN_ACTIVE_REQUEST_CONFIRM == 1)) */
#if (MAC_SCAN_ORPHAN_REQUEST_CONFIRM == 1)
if (MLME_SCAN_TYPE_ORPHAN == scanning_type) {
/*
* In an orphan scan, terminate if any coordinator
* realignment packet has been received.
*/
if (msc->ResultListSize) {
break;
}
}
#endif /* (MAC_SCAN_ORPHAN_REQUEST_CONFIRM == 1) */
if ((msc->UnscannedChannels & (1UL << scan_curr_channel)) !=
0) {
#if (MAC_SCAN_ACTIVE_REQUEST_CONFIRM == 1)
if (MLME_SCAN_TYPE_ACTIVE == scanning_type) {
mac_scan_state = MAC_SCAN_ACTIVE;
}
#endif /* (MAC_SCAN_ACTIVE_REQUEST_CONFIRM == 1) */
#if (MAC_SCAN_PASSIVE_REQUEST_CONFIRM == 1)
if (MLME_SCAN_TYPE_PASSIVE == scanning_type) {
mac_scan_state = MAC_SCAN_PASSIVE;
}
#endif /* (MAC_SCAN_PASSIVE_REQUEST_CONFIRM == 1) */
if (MLME_SCAN_TYPE_ORPHAN == scanning_type) {
mac_scan_state = MAC_SCAN_ORPHAN;
}
/* Set the channel to perform scan */
set_status = set_tal_pib_internal(phyCurrentChannel,
(void *)&scan_curr_channel);
if (MAC_SUCCESS != set_status) {
/*
* Free the buffer used for sending orphan
* notification command
*/
bmm_buffer_free((buffer_t *)mac_scan_cmd_buf_ptr);
mac_scan_cmd_buf_ptr = NULL;
/* Set radio to sleep if allowed */
mac_sleep_trans();
msc->status = MAC_NO_BEACON;
/* Orphan scan does not return any list. */
msc->ResultListSize = 0;
/* Append the scan confirm message to the
* MAC-NHLE queue */
qmm_queue_append(&mac_nhle_q, buf);
mac_scan_state = MAC_SCAN_IDLE;
}
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == set_status);
#endif
/* Continue scanning, after setting channel */
scan_set_complete(set_status);
return;
}
}
/* All channels were scanned. The confirm needs to be prepared */
switch (scanning_type) {
#if (MAC_SCAN_ED_REQUEST_CONFIRM == 1)
case MLME_SCAN_TYPE_ED:
msc->status = MAC_SUCCESS;
scan_clean_up(buf);
break;
#endif /* (MAC_SCAN_ED_REQUEST_CONFIRM == 1) */
#if (MAC_SCAN_ACTIVE_REQUEST_CONFIRM == 1)
case MLME_SCAN_TYPE_ACTIVE:
{
/*
* Free the buffer which was received from scan request and
* reused
* for beacon request frame transmission.
*/
bmm_buffer_free((buffer_t *)mac_scan_cmd_buf_ptr);
mac_scan_cmd_buf_ptr = NULL;
if (!mac_pib.mac_AutoRequest) {
msc->status = MAC_SUCCESS;
} else if (msc->ResultListSize >= MAX_PANDESCRIPTORS) {
msc->status = MAC_LIMIT_REACHED;
} else if (msc->ResultListSize) {
msc->status = MAC_SUCCESS;
} else {
msc->status = MAC_NO_BEACON;
}
/* Restore macPANId after active scan completed. */
#if (_DEBUG_ > 0)
set_status =
#endif
set_tal_pib_internal(macPANId, (void *)&mac_scan_orig_panid);
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == set_status);
#endif
/* Done with scanning */
scan_clean_up((buffer_t *)mac_conf_buf_ptr);
}
break;
#endif /* (MAC_SCAN_ACTIVE_REQUEST_CONFIRM == 1) */
#if (MAC_SCAN_PASSIVE_REQUEST_CONFIRM == 1)
case MLME_SCAN_TYPE_PASSIVE:
if (!mac_pib.mac_AutoRequest) {
msc->status = MAC_SUCCESS;
} else if (msc->ResultListSize >= MAX_PANDESCRIPTORS) {
msc->status = MAC_LIMIT_REACHED;
} else if (msc->ResultListSize) {
msc->status = MAC_SUCCESS;
} else {
msc->status = MAC_NO_BEACON;
}
/* Restore macPANId after passive scan completed. */
#if (_DEBUG_ > 0)
set_status =
#endif
set_tal_pib_internal(macPANId, (void *)&mac_scan_orig_panid);
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == set_status);
#endif
scan_clean_up(buf);
break;
#endif /* (MAC_SCAN_PASSIVE_REQUEST_CONFIRM == 1) */
#if (MAC_SCAN_ORPHAN_REQUEST_CONFIRM == 1)
case MLME_SCAN_TYPE_ORPHAN:
/* Free the buffer used for sending orphan notification command
**/
bmm_buffer_free((buffer_t *)mac_scan_cmd_buf_ptr);
mac_scan_cmd_buf_ptr = NULL;
if (msc->ResultListSize > 0) {
msc->status = MAC_SUCCESS;
} else {
msc->status = MAC_NO_BEACON;
}
/* Orphan scan does not return any list. */
msc->ResultListSize = 0;
scan_clean_up(buf);
break;
#endif /* (MAC_SCAN_ORPHAN_REQUEST_CONFIRM == 1) */
default:
break;
}
} /* scan_proceed() */
/**
* @brief Processing a coordinator realignment command frame during Orphan scan
*
* This function processes a coordinator realignment command frame received
* as a response to the reception of an orphan notification
* command frame (i.e. while being in the middle of an orphan scan procedure).
* The PAN ID, coord. short address, logical channel, and the device's new
* short address will be written to the PIB.
*
* @param ind Frame reception buffer
*/
void mac_process_orphan_realign(buffer_t *buf_ptr)
{
retval_t set_status;
/* Device received a coordinator realignment during an orphan scan */
/* Free the buffer used for sending orphan notification command */
bmm_buffer_free((buffer_t *)mac_scan_cmd_buf_ptr);
mac_scan_cmd_buf_ptr = NULL;
/*
* Scan confirm with scan type orphan is given to the NHLE using the
* scan request buffer, which was stored in mac_conf_buf_ptr.
*/
mlme_scan_conf_t *msc
= (mlme_scan_conf_t *)BMM_BUFFER_POINTER(
(buffer_t *)mac_conf_buf_ptr);
msc->cmdcode = MLME_SCAN_CONFIRM;
msc->status = MAC_SUCCESS;
msc->ScanType = MLME_SCAN_TYPE_ORPHAN;
msc->UnscannedChannels = 0;
msc->ResultListSize = 0;
/* Append the scan confirmation message to the MAC-NHLE queue */
qmm_queue_append(&mac_nhle_q, (buffer_t *)mac_conf_buf_ptr);
mac_scan_state = MAC_SCAN_IDLE;
/* Set radio to sleep if allowed */
mac_sleep_trans();
/*
* The buffer in which the coordinator realignment is received is
* freed up
*/
bmm_buffer_free(buf_ptr);
/* Set the appropriate PIB entries */
set_status = set_tal_pib_internal(macPANId,
(void *)&mac_parse_data.mac_payload_data.coord_realign_data.pan_id);
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == set_status);
#endif
if (BROADCAST !=
mac_parse_data.mac_payload_data.coord_realign_data.
short_addr) {
/* Short address only to be set if not broadcast address */
set_status = set_tal_pib_internal(macShortAddress,
(void *)&mac_parse_data.mac_payload_data.coord_realign_data.short_addr);
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == set_status);
#endif
}
mac_pib.mac_CoordShortAddress
= mac_parse_data.mac_payload_data.coord_realign_data.
coord_short_addr;
/*
* If frame version subfield indicates a 802.15.4-2006 compatible frame,
* the channel page is appended as additional information element.
*/
if (mac_parse_data.fcf & FCF_FRAME_VERSION_2006) {
set_status
= set_tal_pib_internal(phyCurrentPage,
(void *)&mac_parse_data.mac_payload_data.coord_realign_data.channel_page);
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == set_status);
#endif
}
set_status = set_tal_pib_internal(phyCurrentChannel,
(void *)&mac_parse_data.mac_payload_data.coord_realign_data.logical_channel);
#if (_DEBUG_ > 0)
Assert(MAC_SUCCESS == set_status);
#endif
scan_set_complete(set_status);
} /* mac_process_orphan_realign() */
