b5d089fb48
Updated implementation to save power consumption by scheduling BIG event starting at the first BIS selected for synchronization. Also, skip reception of any unselected BISes in between multiple BISes that the Broadcaster is transmitting. Added advance calculation of next subevent channel index. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
/*
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* Copyright (c) 2020-2021 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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struct lll_sync_iso_stream {
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uint8_t big_handle;
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uint8_t bis_index;
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struct ll_iso_datapath *dp;
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};
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struct lll_sync_iso {
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struct lll_hdr hdr;
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uint8_t seed_access_addr[4];
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uint8_t base_crc_init[2];
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uint16_t iso_interval;
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uint16_t latency_prepare;
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uint16_t latency_event;
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uint16_t data_chan_prn_s;
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uint16_t data_chan_remap_idx;
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uint64_t payload_count:39;
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uint64_t enc:1;
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uint64_t ctrl:1;
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uint64_t cssn_curr:3;
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uint64_t cssn_next:3;
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uint8_t data_chan_map[PDU_CHANNEL_MAP_SIZE];
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uint8_t data_chan_count:6;
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uint8_t num_bis:5;
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uint8_t bn:3;
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uint8_t nse:5;
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uint8_t phy:3;
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uint32_t sub_interval:20;
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uint32_t max_pdu:8;
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uint32_t pto:4;
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uint32_t bis_spacing:20;
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uint32_t max_sdu:8;
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uint32_t irc:4;
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uint32_t sdu_interval:20;
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uint32_t irc_curr:4;
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uint32_t ptc_curr:4;
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uint32_t ptc:4;
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uint8_t bn_curr:3;
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uint8_t bis_curr:5;
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uint8_t stream_curr:5;
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uint8_t next_chan_use;
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uint8_t chm_chan_map[PDU_CHANNEL_MAP_SIZE];
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uint8_t chm_chan_count:6;
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uint8_t term_reason;
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uint8_t ctrl_chan_use;
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uint16_t ctrl_instant;
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uint8_t stream_count;
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uint16_t stream_handle[BT_CTLR_SYNC_ISO_STREAM_MAX];
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struct node_rx_pdu *payload[BT_CTLR_SYNC_ISO_STREAM_MAX]
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[PDU_BIG_PAYLOAD_COUNT_MAX];
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uint8_t payload_count_max;
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uint8_t payload_head;
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uint8_t payload_tail;
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uint32_t window_widening_periodic_us;
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uint32_t window_widening_max_us;
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uint32_t window_widening_prepare_us;
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uint32_t window_widening_event_us;
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uint32_t window_size_event_us;
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};
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int lll_sync_iso_init(void);
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int lll_sync_iso_reset(void);
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void lll_sync_iso_create_prepare(void *param);
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void lll_sync_iso_prepare(void *param);
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extern uint8_t ull_sync_iso_lll_handle_get(struct lll_sync_iso *lll);
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extern struct lll_sync_iso_stream *ull_sync_iso_lll_stream_get(uint16_t handle);
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extern void ll_iso_rx_put(memq_link_t *link, void *rx);
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extern void ll_rx_sched(void);
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