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Bluetooth: controller: Low Duty Cycle Directed Advertising

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Added Bluetooth v4.1 Low Duty Cycle Directed Advertising
feature.

Change-id: I6ca665e298b343200c65405739f3998bc78b84e7
Signed-off-by: Vinayak Chettimada <vinayak.kariappa.chettimada@nordicsemi.no>
This commit is contained in:
Vinayak Chettimada 2017-04-27 09:43:38 +02:00 • committed by Anas Nashif
commit 56f8af92cf
3 changed files with 25 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

5
subsys/bluetooth/controller/hci/hci.c
View file

@ -355,14 +355,11 @@ static void le_set_adv_param(struct net_buf *buf, struct net_buf **evt)
{
struct bt_hci_cp_le_set_adv_param *cmd = (void *)buf->data;
struct bt_hci_evt_cc_status *ccst;
u8_t const c_adv_type[] = {
PDU_ADV_TYPE_ADV_IND, PDU_ADV_TYPE_DIRECT_IND,
PDU_ADV_TYPE_SCAN_IND, PDU_ADV_TYPE_NONCONN_IND };
u16_t min_interval;
min_interval = sys_le16_to_cpu(cmd->min_interval);
ll_adv_params_set(min_interval, c_adv_type[cmd->type],
ll_adv_params_set(min_interval, cmd->type,
cmd->own_addr_type, cmd->direct_addr.type,
&cmd->direct_addr.a.val[0], cmd->channel_map,
cmd->filter_policy);

4
subsys/bluetooth/controller/ll_sw/ctrl.c
View file

@ -7439,7 +7439,9 @@ u32_t radio_adv_enable(u16_t interval, u8_t chl_map, u8_t filter_policy)
_radio.advertiser.hdr.ticks_xtal_to_start :
_radio.advertiser.hdr.ticks_active_to_start;
if (pdu_adv->type == PDU_ADV_TYPE_DIRECT_IND) {
/* High Duty Cycle Directed Advertising if interval is 0. */
if ((pdu_adv->type == PDU_ADV_TYPE_DIRECT_IND) &&
!interval) {
u32_t ticks_now = ticker_ticks_now_get();
ret = ticker_start(RADIO_TICKER_INSTANCE_ID_RADIO,

32
subsys/bluetooth/controller/ll_sw/ll.c
View file

@ -54,7 +54,7 @@ static struct {
static struct {
u16_t interval;
u8_t adv_type:4;
u8_t pdu_adv_type:4;
u8_t tx_addr:1;
u8_t rx_addr:1;
u8_t filter_policy:2;
@ -269,6 +269,11 @@ void ll_adv_params_set(u16_t interval, u8_t adv_type,
u8_t const *const direct_addr, u8_t chl_map,
u8_t filter_policy)
{
u8_t const pdu_adv_type[] = {PDU_ADV_TYPE_ADV_IND,
PDU_ADV_TYPE_DIRECT_IND,
PDU_ADV_TYPE_SCAN_IND,
PDU_ADV_TYPE_NONCONN_IND,
PDU_ADV_TYPE_DIRECT_IND};
struct radio_adv_data *radio_adv_data;
struct pdu_adv *pdu;
@ -281,29 +286,34 @@ void ll_adv_params_set(u16_t interval, u8_t adv_type,
* interface can correctly update adv/scan data in the
* double buffer between caller and controller context.
*/
_ll_adv_params.interval = interval;
/* Set interval for Undirected or Low Duty Cycle Directed Advertising */
if (adv_type != 0x01) {
_ll_adv_params.interval = interval;
} else {
_ll_adv_params.interval = 0;
}
_ll_adv_params.chl_map = chl_map;
_ll_adv_params.filter_policy = filter_policy;
_ll_adv_params.adv_type = adv_type;
_ll_adv_params.pdu_adv_type = pdu_adv_type[adv_type];
_ll_adv_params.tx_addr = own_addr_type;
_ll_adv_params.rx_addr = 0;
/* update the current adv data */
radio_adv_data = radio_adv_data_get();
pdu = (struct pdu_adv *)&radio_adv_data->data[radio_adv_data->last][0];
pdu->type = _ll_adv_params.adv_type;
pdu->type = _ll_adv_params.pdu_adv_type;
pdu->rfu = 0;
if (IS_ENABLED(CONFIG_BLUETOOTH_CONTROLLER_CHAN_SEL_2) &&
((adv_type == PDU_ADV_TYPE_ADV_IND) ||
(adv_type == PDU_ADV_TYPE_DIRECT_IND))) {
((_ll_adv_params.pdu_adv_type == PDU_ADV_TYPE_ADV_IND) ||
(_ll_adv_params.pdu_adv_type == PDU_ADV_TYPE_DIRECT_IND))) {
pdu->chan_sel = 1;
} else {
pdu->chan_sel = 0;
}
pdu->tx_addr = _ll_adv_params.tx_addr;
if (adv_type == PDU_ADV_TYPE_DIRECT_IND) {
if (_ll_adv_params.pdu_adv_type == PDU_ADV_TYPE_DIRECT_IND) {
_ll_adv_params.rx_addr = direct_addr_type;
memcpy(&_ll_adv_params.direct_addr[0], direct_addr,
BDADDR_SIZE);
@ -351,12 +361,12 @@ void ll_adv_data_set(u8_t len, u8_t const *const data)
/* update adv pdu fields. */
pdu = (struct pdu_adv *)&radio_adv_data->data[last][0];
pdu->type = _ll_adv_params.adv_type;
pdu->type = _ll_adv_params.pdu_adv_type;
pdu->rfu = 0;
if (IS_ENABLED(CONFIG_BLUETOOTH_CONTROLLER_CHAN_SEL_2) &&
((_ll_adv_params.adv_type == PDU_ADV_TYPE_ADV_IND) ||
(_ll_adv_params.adv_type == PDU_ADV_TYPE_DIRECT_IND))) {
((_ll_adv_params.pdu_adv_type == PDU_ADV_TYPE_ADV_IND) ||
(_ll_adv_params.pdu_adv_type == PDU_ADV_TYPE_DIRECT_IND))) {
pdu->chan_sel = 1;
} else {
pdu->chan_sel = 0;
@ -366,7 +376,7 @@ void ll_adv_data_set(u8_t len, u8_t const *const data)
pdu->rx_addr = _ll_adv_params.rx_addr;
memcpy(&pdu->payload.adv_ind.addr[0],
&_ll_adv_params.adv_addr[0], BDADDR_SIZE);
if (_ll_adv_params.adv_type == PDU_ADV_TYPE_DIRECT_IND) {
if (_ll_adv_params.pdu_adv_type == PDU_ADV_TYPE_DIRECT_IND) {
memcpy(&pdu->payload.direct_ind.tgt_addr[0],
&_ll_adv_params.direct_addr[0], BDADDR_SIZE);
pdu->len = sizeof(struct pdu_adv_payload_direct_ind);