abfe5f17a9
1 ms connection interval support. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
180 lines
6.3 KiB
C
180 lines
6.3 KiB
C
/*
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* Copyright (c) 2017-2019 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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/**
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* User CPR Interval
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*/
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#if !defined(CONFIG_BT_CTLR_USER_CPR_INTERVAL_MIN)
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#if defined(CONFIG_BT_CTLR_CONN_INTERVAL_LOW_LATENCY)
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#define CONN_INTERVAL_MIN(x) (0U)
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#else /* !CONFIG_BT_CTLR_CONN_INTERVAL_LOW_LATENCY */
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/* Bluetooth defined CPR Interval Minimum (7.5ms) */
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#define CONN_INTERVAL_MIN(x) (6U)
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#endif /* !CONFIG_BT_CTLR_CONN_INTERVAL_LOW_LATENCY */
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#else /* CONFIG_BT_CTLR_USER_CPR_INTERVAL_MIN */
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/* Proprietary user defined CPR Interval Minimum */
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#define CONN_INTERVAL_MIN(x) (MAX(ull_conn_interval_min_get(x), 1U))
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#endif /* CONFIG_BT_CTLR_USER_CPR_INTERVAL_MIN */
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/**
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* User deference of CPR Anchor Point Move
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*/
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#if !defined(CONFIG_BT_CTLR_USER_CPR_ANCHOR_POINT_MOVE)
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#define DEFER_APM_CHECK(x, y, z) (false)
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#else
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/* Proprietary handling of peripheral CPR Anchor Point Movement Response
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*
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* When returning TRUE the LLCP system changes to a
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* USER_WAIT state and an EXTERNAL trigger must kick the LLCP system
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* to continue to either accept (with possibly changed offsets) or reject CPR
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*
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* When returning FALSE the LLCP system will automatically
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* continue and thus respond immediately
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*
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* Possibly modified LLCP internal status/error state will determine the type of 'response'
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* 0U - Accept CPR (possibly with changed offsets)
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* BT_HCI_ERR_UNSUPP_LL_PARAM_VAL - Reject CPR
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*/
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struct ll_conn;
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extern bool ull_handle_cpr_anchor_point_move(struct ll_conn *conn, uint16_t *offsets,
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uint8_t *status);
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#define DEFER_APM_CHECK(x, y, z) (ull_handle_cpr_anchor_point_move(x, y, z))
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#endif /* CONFIG_BT_CTLR_USER_CPR_ANCHOR_POINT_MOVE */
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/* Macro to convert time in us to connection interval units */
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#define RADIO_CONN_EVENTS(x, y) ((uint16_t)DIV_ROUND_UP(x, y))
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/* Macro to convert time in us to periodic advertising interval units */
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#define RADIO_SYNC_EVENTS(x, y) ((uint16_t)DIV_ROUND_UP(x, y))
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/* Macro to mark address type as identity address from RPA (0x02, 0x03) */
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#define MARK_AS_IDENTITY_ADDR(addr_type) ((addr_type) += 2U)
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static inline uint8_t ull_ref_get(struct ull_hdr *hdr)
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{
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return hdr->ref;
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}
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static inline uint8_t ull_ref_inc(struct ull_hdr *hdr)
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{
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return ++hdr->ref;
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}
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static inline uint8_t ull_ref_dec(struct ull_hdr *hdr)
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{
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return hdr->ref--;
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}
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static inline void ull_hdr_init(struct ull_hdr *hdr)
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{
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hdr->ref = 0U;
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hdr->disabled_cb = hdr->disabled_param = NULL;
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}
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void *ll_rx_link_alloc(void);
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void ll_rx_link_release(memq_link_t *link);
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void *ll_rx_alloc(void);
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void ll_rx_release(void *node_rx);
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void *ll_pdu_rx_alloc_peek(uint8_t count);
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void *ll_pdu_rx_alloc(void);
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void ll_rx_put_sched(memq_link_t *link, void *rx);
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void ll_rx_put(memq_link_t *link, void *rx);
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void ll_rx_sched(void);
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void ull_ticker_status_give(uint32_t status, void *param);
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uint32_t ull_ticker_status_take(uint32_t ret, uint32_t volatile *ret_cb);
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void *ull_disable_mark(void *param);
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void *ull_disable_unmark(void *param);
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void *ull_disable_mark_get(void);
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int ull_ticker_stop_with_mark(uint8_t ticker_handle, void *param,
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void *lll_disable);
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void *ull_update_mark(void *param);
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void *ull_update_unmark(void *param);
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void *ull_update_mark_get(void);
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int ull_disable(void *param);
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void ull_drift_ticks_get(struct node_rx_event_done *done,
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uint32_t *ticks_drift_plus,
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uint32_t *ticks_drift_minus);
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/**
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* @brief RX FIFO macro frontend
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* @details The RXFIFO data composite consists of an MFIFO with pointers to
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* data elements backed by a memory pool and memq link elements.
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* Link memq elements have a separate pool of (_count + _extra_links)
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* elements. Extra links may be used for initializing one or more
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* external memq instances. The following data structures are created
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* with RXFIFO_DEFINE():
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* - mfifo_<_name>: FIFO with pointers to RX node elements.
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* - mem_<_name>: Backing data pool of <_count> RX node elements
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* of size <_size>.
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* - mem_link_<_name>: Pool of <_count + _extra_links> memq_link_t
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* elements.
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*/
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#define RXFIFO_DEFINE(_name, _size, _count, _extra_links) \
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MFIFO_DEFINE(_name, sizeof(void *), _count); \
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\
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static const struct { \
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uint16_t size; \
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uint8_t count; \
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uint8_t extra_links; \
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} mem_##_name = { .size = MROUND(_size), .count = _count, \
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.extra_links = _extra_links }; \
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\
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static struct { \
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void *free; \
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uint8_t pool[MROUND(_size) * (_count)]; \
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} mem_pool_##_name; \
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\
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static struct { \
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void *free; \
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uint8_t pool[sizeof(memq_link_t) * (_count + _extra_links)]; \
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} mem_link_##_name
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/**
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* @brief Initializes MFIFO and pools
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* @details This makes the MFIFO empty and will subsequently need
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* RXFIFO_ALLOC. Memory pools are initialized.
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*/
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#define RXFIFO_INIT(_name) \
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MFIFO_INIT(_name); \
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mem_init(mem_pool_##_name.pool, mem_##_name.size, \
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mem_##_name.count, &mem_pool_##_name.free); \
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\
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mem_init(mem_link_##_name.pool, sizeof(memq_link_t), \
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(mem_##_name.count + mem_##_name.extra_links), \
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&mem_link_##_name.free)
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/**
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* @brief Allocate FIFO elements with backing
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* @details This function allocates up to <_count> number of MFIFO elements by
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* enqueuing pointers to memory elements with associated memq links.
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*/
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#define RXFIFO_ALLOC(_name, _count) \
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ull_rxfifo_alloc(mfifo_##_name.s, mfifo_##_name.n, \
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mfifo_fifo_##_name.f, &mfifo_fifo_##_name.l, \
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mfifo_fifo_##_name.m, &mem_pool_##_name.free, \
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&mem_link_##_name.free, _count)
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/**
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* @brief Initialize and allocate MFIFO and pools
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*/
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#define RXFIFO_INIT_ALLOC(_name) \
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RXFIFO_INIT(_name); \
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RXFIFO_ALLOC(_name, mem_##_name.count)
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/**
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* @brief Release RX node
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* @details Enqueues an RX node back into the FIFO.
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*/
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#define RXFIFO_RELEASE(_name, _link, _rx) \
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ull_rxfifo_release(mfifo_##_name.s, mfifo_##_name.n, \
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mfifo_fifo_##_name.f, &mfifo_fifo_##_name.l, \
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mfifo_fifo_##_name.m, _link, \
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(struct node_rx_hdr *)_rx)
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void ull_rxfifo_alloc(uint8_t s, uint8_t n, uint8_t f, uint8_t *l, uint8_t *m,
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void *mem_free, void *link_free, uint8_t max);
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void *ull_rxfifo_release(uint8_t s, uint8_t n, uint8_t f, uint8_t *l, uint8_t *m,
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memq_link_t *link, struct node_rx_hdr *rx);
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uint32_t ull_get_wrapped_time_us(uint32_t time_now_us, int32_t time_diff_us);
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